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= 0;\n    this.cursorState = 0;\n    this.cursorHidden = false;\n    this.convertEol;\n    this.queue = '';\n    this.scrollTop = 0;\n    this.scrollBottom = this.rows - 1;\n    this.customKeyEventHandler = null;\n    this.cursorBlinkInterval = null;\n    this.applicationKeypad = false;\n    this.applicationCursor = false;\n    this.originMode = false;\n    this.insertMode = false;\n    this.wraparoundMode = true;\n    this.normal = null;\n    this.charset = null;\n    this.gcharset = null;\n    this.glevel = 0;\n    this.charsets = [null];\n    this.decLocator;\n    this.x10Mouse;\n    this.vt200Mouse;\n    this.vt300Mouse;\n    this.normalMouse;\n    this.mouseEvents;\n    this.sendFocus;\n    this.utfMouse;\n    this.sgrMouse;\n    this.urxvtMouse;\n    this.element;\n    this.children;\n    this.refreshStart;\n    this.refreshEnd;\n    this.savedX;\n    this.savedY;\n    this.savedCols;\n    this.readable = true;\n    this.writable = true;\n    this.defAttr = (0 << 18) | (257 << 9) | (256 << 0);\n    this.curAttr = this.defAttr;\n    this.params = [];\n    this.currentParam = 0;\n    this.prefix = '';\n    this.postfix = '';\n    this.inputHandler = new InputHandler_1.InputHandler(this);\n    this.parser = new Parser_1.Parser(this.inputHandler, this);\n    this.renderer = this.renderer || null;\n    this.selectionManager = this.selectionManager || null;\n    this.linkifier = this.linkifier || new Linkifier_1.Linkifier();\n    this.writeBuffer = [];\n    this.writeInProgress = false;\n    this.xoffSentToCatchUp = false;\n    this.writeStopped = false;\n    this.surrogate_high = '';\n    this.lines = new CircularList_1.CircularList(this.scrollback);\n    var i = this.rows;\n    while (i--) {\n        this.lines.push(this.blankLine());\n    }\n    if (this.selectionManager) {\n        this.selectionManager.setBuffer(this.lines);\n    }\n    this.tabs;\n    this.setupStops();\n    this.userScrolling = false;\n}\ninherits(Terminal, EventEmitter_1.EventEmitter);\nTerminal.prototype.eraseAttr = function () {\n    return (this.defAttr & ~0x1ff) | (this.curAttr & 0x1ff);\n};\nTerminal.tangoColors = [\n    '#2e3436',\n    '#cc0000',\n    '#4e9a06',\n    '#c4a000',\n    '#3465a4',\n    '#75507b',\n    '#06989a',\n    '#d3d7cf',\n    '#555753',\n    '#ef2929',\n    '#8ae234',\n    '#fce94f',\n    '#729fcf',\n    '#ad7fa8',\n    '#34e2e2',\n    '#eeeeec'\n];\nTerminal.colors = (function () {\n    var colors = Terminal.tangoColors.slice(), r = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff], i;\n    i = 0;\n    for (; i < 216; i++) {\n        out(r[(i / 36) % 6 | 0], r[(i / 6) % 6 | 0], r[i % 6]);\n    }\n    i = 0;\n    for (; i < 24; i++) {\n        r = 8 + i * 10;\n        out(r, r, r);\n    }\n    function out(r, g, b) {\n        colors.push('#' + hex(r) + hex(g) + hex(b));\n    }\n    function hex(c) {\n        c = c.toString(16);\n        return c.length < 2 ? '0' + c : c;\n    }\n    return colors;\n})();\nTerminal._colors = Terminal.colors.slice();\nTerminal.vcolors = (function () {\n    var out = [], colors = Terminal.colors, i = 0, color;\n    for (; i < 256; i++) {\n        color = parseInt(colors[i].substring(1), 16);\n        out.push([\n            (color >> 16) & 0xff,\n            (color >> 8) & 0xff,\n            color & 0xff\n        ]);\n    }\n    return out;\n})();\nTerminal.defaults = {\n    colors: Terminal.colors,\n    theme: 'default',\n    convertEol: false,\n    termName: 'xterm',\n    geometry: [80, 24],\n    cursorBlink: false,\n    cursorStyle: 'block',\n    visualBell: false,\n    popOnBell: false,\n    scrollback: 1000,\n    screenKeys: false,\n    debug: false,\n    cancelEvents: false,\n    disableStdin: false,\n    useFlowControl: false,\n    tabStopWidth: 8\n};\nTerminal.options = {};\nTerminal.focus = null;\neach(keys(Terminal.defaults), function (key) {\n    Terminal[key] = Terminal.defaults[key];\n    Terminal.options[key] = Terminal.defaults[key];\n});\nTerminal.prototype.focus = function () {\n    return this.textarea.focus();\n};\nTerminal.prototype.getOption = function (key, value) {\n    if (!(key in Terminal.defaults)) {\n        throw new Error('No option with key \"' + key + '\"');\n    }\n    if (typeof this.options[key] !== 'undefined') {\n        return this.options[key];\n    }\n    return this[key];\n};\nTerminal.prototype.setOption = function (key, value) {\n    if (!(key in Terminal.defaults)) {\n        throw new Error('No option with key \"' + key + '\"');\n    }\n    switch (key) {\n        case 'scrollback':\n            if (value < this.rows) {\n                var msg = 'Setting the scrollback value less than the number of rows ';\n                msg += \"(\" + this.rows + \") is not allowed.\";\n                console.warn(msg);\n                return false;\n            }\n            if (this.options[key] !== value) {\n                if (this.lines.length > value) {\n                    var amountToTrim = this.lines.length - value;\n                    var needsRefresh = (this.ydisp - amountToTrim < 0);\n                    this.lines.trimStart(amountToTrim);\n                    this.ybase = Math.max(this.ybase - amountToTrim, 0);\n                    this.ydisp = Math.max(this.ydisp - amountToTrim, 0);\n                    if (needsRefresh) {\n                        this.refresh(0, this.rows - 1);\n                    }\n                }\n                this.lines.maxLength = value;\n                this.viewport.syncScrollArea();\n            }\n            break;\n    }\n    this[key] = value;\n    this.options[key] = value;\n    switch (key) {\n        case 'cursorBlink':\n            this.setCursorBlinking(value);\n            break;\n        case 'cursorStyle':\n            this.element.classList.toggle(\"xterm-cursor-style-underline\", value === 'underline');\n            this.element.classList.toggle(\"xterm-cursor-style-bar\", value === 'bar');\n            break;\n        case 'tabStopWidth':\n            this.setupStops();\n            break;\n    }\n};\nTerminal.prototype.restartCursorBlinking = function () {\n    this.setCursorBlinking(this.options.cursorBlink);\n};\nTerminal.prototype.setCursorBlinking = function (enabled) {\n    this.element.classList.toggle('xterm-cursor-blink', enabled);\n    this.clearCursorBlinkingInterval();\n    if (enabled) {\n        var self = this;\n        this.cursorBlinkInterval = setInterval(function () {\n            self.element.classList.toggle('xterm-cursor-blink-on');\n        }, CURSOR_BLINK_INTERVAL);\n    }\n};\nTerminal.prototype.clearCursorBlinkingInterval = function () {\n    this.element.classList.remove('xterm-cursor-blink-on');\n    if (this.cursorBlinkInterval) {\n        clearInterval(this.cursorBlinkInterval);\n        this.cursorBlinkInterval = null;\n    }\n};\nTerminal.bindFocus = function (term) {\n    on(term.textarea, 'focus', function (ev) {\n        if (term.sendFocus) {\n            term.send(EscapeSequences_1.C0.ESC + '[I');\n        }\n        term.element.classList.add('focus');\n        term.showCursor();\n        term.restartCursorBlinking.apply(term);\n        Terminal.focus = term;\n        term.emit('focus', { terminal: term });\n    });\n};\nTerminal.prototype.blur = function () {\n    return this.textarea.blur();\n};\nTerminal.bindBlur = function (term) {\n    on(term.textarea, 'blur', function (ev) {\n        term.refresh(term.y, term.y);\n        if (term.sendFocus) {\n            term.send(EscapeSequences_1.C0.ESC + '[O');\n        }\n        term.element.classList.remove('focus');\n        term.clearCursorBlinkingInterval.apply(term);\n        Terminal.focus = null;\n        term.emit('blur', { terminal: term });\n    });\n};\nTerminal.prototype.initGlobal = function () {\n    var _this = this;\n    var term = this;\n    Terminal.bindKeys(this);\n    Terminal.bindFocus(this);\n    Terminal.bindBlur(this);\n    on(this.element, 'copy', function (event) {\n        if (_this.mouseEvents) {\n            return;\n        }\n        Clipboard_1.copyHandler(event, term, _this.selectionManager);\n    });\n    var pasteHandlerWrapper = function (event) { return Clipboard_1.pasteHandler(event, term); };\n    on(this.textarea, 'paste', pasteHandlerWrapper);\n    on(this.element, 'paste', pasteHandlerWrapper);\n    if (term.browser.isFirefox) {\n        on(this.element, 'mousedown', function (event) {\n            if (event.button == 2) {\n                Clipboard_1.rightClickHandler(event, _this.textarea, _this.selectionManager);\n            }\n        });\n    }\n    else {\n        on(this.element, 'contextmenu', function (event) {\n            Clipboard_1.rightClickHandler(event, _this.textarea, _this.selectionManager);\n        });\n    }\n    if (term.browser.isLinux) {\n        on(this.element, 'auxclick', function (event) {\n            if (event.button === 1) {\n                Clipboard_1.moveTextAreaUnderMouseCursor(event, _this.textarea, _this.selectionManager);\n            }\n        });\n    }\n};\nTerminal.bindKeys = function (term) {\n    on(term.element, 'keydown', function (ev) {\n        if (document.activeElement != this) {\n            return;\n        }\n        term.keyDown(ev);\n    }, true);\n    on(term.element, 'keypress', function (ev) {\n        if (document.activeElement != this) {\n            return;\n        }\n        term.keyPress(ev);\n    }, true);\n    on(term.element, 'keyup', function (ev) {\n        if (!wasMondifierKeyOnlyEvent(ev)) {\n            term.focus(term);\n        }\n    }, true);\n    on(term.textarea, 'keydown', function (ev) {\n        term.keyDown(ev);\n    }, true);\n    on(term.textarea, 'keypress', function (ev) {\n        term.keyPress(ev);\n        this.value = '';\n    }, true);\n    on(term.textarea, 'compositionstart', term.compositionHelper.compositionstart.bind(term.compositionHelper));\n    on(term.textarea, 'compositionupdate', term.compositionHelper.compositionupdate.bind(term.compositionHelper));\n    on(term.textarea, 'compositionend', term.compositionHelper.compositionend.bind(term.compositionHelper));\n    term.on('refresh', term.compositionHelper.updateCompositionElements.bind(term.compositionHelper));\n    term.on('refresh', function (data) {\n        term.queueLinkification(data.start, data.end);\n    });\n};\nTerminal.prototype.insertRow = function (row) {\n    if (typeof row != 'object') {\n        row = document.createElement('div');\n    }\n    this.rowContainer.appendChild(row);\n    this.children.push(row);\n    return row;\n};\nTerminal.prototype.open = function (parent, focus) {\n    var _this = this;\n    var self = this, i = 0, div;\n    this.parent = parent || this.parent;\n    if (!this.parent) {\n        throw new Error('Terminal requires a parent element.');\n    }\n    this.context = this.parent.ownerDocument.defaultView;\n    this.document = this.parent.ownerDocument;\n    this.body = this.document.getElementsByTagName('body')[0];\n    this.element = this.document.createElement('div');\n    this.element.classList.add('terminal');\n    this.element.classList.add('xterm');\n    this.element.classList.add('xterm-theme-' + this.theme);\n    this.setCursorBlinking(this.options.cursorBlink);\n    this.element.setAttribute('tabindex', 0);\n    this.viewportElement = document.createElement('div');\n    this.viewportElement.classList.add('xterm-viewport');\n    this.element.appendChild(this.viewportElement);\n    this.viewportScrollArea = document.createElement('div');\n    this.viewportScrollArea.classList.add('xterm-scroll-area');\n    this.viewportElement.appendChild(this.viewportScrollArea);\n    this.selectionContainer = document.createElement('div');\n    this.selectionContainer.classList.add('xterm-selection');\n    this.element.appendChild(this.selectionContainer);\n    this.rowContainer = document.createElement('div');\n    this.rowContainer.classList.add('xterm-rows');\n    this.element.appendChild(this.rowContainer);\n    this.children = [];\n    this.linkifier.attachToDom(document, this.children);\n    this.helperContainer = document.createElement('div');\n    this.helperContainer.classList.add('xterm-helpers');\n    this.element.appendChild(this.helperContainer);\n    this.textarea = document.createElement('textarea');\n    this.textarea.classList.add('xterm-helper-textarea');\n    this.textarea.setAttribute('autocorrect', 'off');\n    this.textarea.setAttribute('autocapitalize', 'off');\n    this.textarea.setAttribute('spellcheck', 'false');\n    this.textarea.tabIndex = 0;\n    this.textarea.addEventListener('focus', function () {\n        self.emit('focus', { terminal: self });\n    });\n    this.textarea.addEventListener('blur', function () {\n        self.emit('blur', { terminal: self });\n    });\n    this.helperContainer.appendChild(this.textarea);\n    this.compositionView = document.createElement('div');\n    this.compositionView.classList.add('composition-view');\n    this.compositionHelper = new CompositionHelper_1.CompositionHelper(this.textarea, this.compositionView, this);\n    this.helperContainer.appendChild(this.compositionView);\n    this.charSizeStyleElement = document.createElement('style');\n    this.helperContainer.appendChild(this.charSizeStyleElement);\n    for (; i < this.rows; i++) {\n        this.insertRow();\n    }\n    this.parent.appendChild(this.element);\n    this.charMeasure = new CharMeasure_1.CharMeasure(document, this.helperContainer);\n    this.charMeasure.on('charsizechanged', function () {\n        self.updateCharSizeStyles();\n    });\n    this.charMeasure.measure();\n    this.viewport = new Viewport_1.Viewport(this, this.viewportElement, this.viewportScrollArea, this.charMeasure);\n    this.renderer = new Renderer_1.Renderer(this);\n    this.selectionManager = new SelectionManager_1.SelectionManager(this, this.lines, this.rowContainer, this.charMeasure);\n    this.selectionManager.on('refresh', function (data) {\n        _this.renderer.refreshSelection(data.start, data.end);\n    });\n    this.selectionManager.on('newselection', function (text) {\n        _this.textarea.value = text;\n        _this.textarea.focus();\n        _this.textarea.select();\n    });\n    this.on('scroll', function () { return _this.selectionManager.refresh(); });\n    this.viewportElement.addEventListener('scroll', function () { return _this.selectionManager.refresh(); });\n    this.refresh(0, this.rows - 1);\n    this.initGlobal();\n    if (typeof focus == 'undefined') {\n        var message = 'You did not pass the `focus` argument in `Terminal.prototype.open()`.\\n';\n        message += 'The `focus` argument now defaults to `true` but starting with xterm.js 3.0 ';\n        message += 'it will default to `false`.';\n        console.warn(message);\n        focus = true;\n    }\n    if (focus) {\n        this.focus();\n    }\n    on(this.element, 'click', function () {\n        var selection = document.getSelection(), collapsed = selection.isCollapsed, isRange = typeof collapsed == 'boolean' ? !collapsed : selection.type == 'Range';\n        if (!isRange) {\n            self.focus();\n        }\n    });\n    this.bindMouse();\n    this.emit('open');\n};\nTerminal.loadAddon = function (addon, callback) {\n    if (typeof exports === 'object' && typeof module === 'object') {\n        return require('./addons/' + addon + '/' + addon);\n    }\n    else if (typeof define == 'function') {\n        return require(['./addons/' + addon + '/' + addon], callback);\n    }\n    else {\n        console.error('Cannot load a module without a CommonJS or RequireJS environment.');\n        return false;\n    }\n};\nTerminal.prototype.updateCharSizeStyles = function () {\n    this.charSizeStyleElement.textContent =\n        \".xterm-wide-char{width:\" + this.charMeasure.width * 2 + \"px;}\" +\n            (\".xterm-normal-char{width:\" + this.charMeasure.width + \"px;}\") +\n            (\".xterm-rows > div{height:\" + this.charMeasure.height + \"px;}\");\n};\nTerminal.prototype.bindMouse = function () {\n    var el = this.element, self = this, pressed = 32;\n    function sendButton(ev) {\n        var button, pos;\n        button = getButton(ev);\n        pos = Mouse_1.getRawByteCoords(ev, self.rowContainer, self.charMeasure, self.cols, self.rows);\n        if (!pos)\n            return;\n        sendEvent(button, pos);\n        switch (ev.overrideType || ev.type) {\n            case 'mousedown':\n                pressed = button;\n                break;\n            case 'mouseup':\n                pressed = 32;\n                break;\n            case 'wheel':\n                break;\n        }\n    }\n    function sendMove(ev) {\n        var button = pressed, pos;\n        pos = Mouse_1.getRawByteCoords(ev, self.rowContainer, self.charMeasure, self.cols, self.rows);\n        if (!pos)\n            return;\n        button += 32;\n        sendEvent(button, pos);\n    }\n    function encode(data, ch) {\n        if (!self.utfMouse) {\n            if (ch === 255)\n                return data.push(0);\n            if (ch > 127)\n                ch = 127;\n            data.push(ch);\n        }\n        else {\n            if (ch === 2047)\n                return data.push(0);\n            if (ch < 127) {\n                data.push(ch);\n            }\n            else {\n                if (ch > 2047)\n                    ch = 2047;\n                data.push(0xC0 | (ch >> 6));\n                data.push(0x80 | (ch & 0x3F));\n            }\n        }\n    }\n    function sendEvent(button, pos) {\n        if (self.vt300Mouse) {\n            button &= 3;\n            pos.x -= 32;\n            pos.y -= 32;\n            var data = EscapeSequences_1.C0.ESC + '[24';\n            if (button === 0)\n                data += '1';\n            else if (button === 1)\n                data += '3';\n            else if (button === 2)\n                data += '5';\n            else if (button === 3)\n                return;\n            else\n                data += '0';\n            data += '~[' + pos.x + ',' + pos.y + ']\\r';\n            self.send(data);\n            return;\n        }\n        if (self.decLocator) {\n            button &= 3;\n            pos.x -= 32;\n            pos.y -= 32;\n            if (button === 0)\n                button = 2;\n            else if (button === 1)\n                button = 4;\n            else if (button === 2)\n                button = 6;\n            else if (button === 3)\n                button = 3;\n            self.send(EscapeSequences_1.C0.ESC + '['\n                + button\n                + ';'\n                + (button === 3 ? 4 : 0)\n                + ';'\n                + pos.y\n                + ';'\n                + pos.x\n                + ';'\n                + (pos.page || 0)\n                + '&w');\n            return;\n        }\n        if (self.urxvtMouse) {\n            pos.x -= 32;\n            pos.y -= 32;\n            pos.x++;\n            pos.y++;\n            self.send(EscapeSequences_1.C0.ESC + '[' + button + ';' + pos.x + ';' + pos.y + 'M');\n            return;\n        }\n        if (self.sgrMouse) {\n            pos.x -= 32;\n            pos.y -= 32;\n            self.send(EscapeSequences_1.C0.ESC + '[<'\n                + (((button & 3) === 3 ? button & ~3 : button) - 32)\n                + ';'\n                + pos.x\n                + ';'\n                + pos.y\n                + ((button & 3) === 3 ? 'm' : 'M'));\n            return;\n        }\n        var data = [];\n        encode(data, button);\n        encode(data, pos.x);\n        encode(data, pos.y);\n        self.send(EscapeSequences_1.C0.ESC + '[M' + String.fromCharCode.apply(String, data));\n    }\n    function getButton(ev) {\n        var button, shift, meta, ctrl, mod;\n        switch (ev.overrideType || ev.type) {\n            case 'mousedown':\n                button = ev.button != null\n                    ? +ev.button\n                    : ev.which != null\n                        ? ev.which - 1\n                        : null;\n                if (self.browser.isMSIE) {\n                    button = button === 1 ? 0 : button === 4 ? 1 : button;\n                }\n                break;\n            case 'mouseup':\n                button = 3;\n                break;\n            case 'DOMMouseScroll':\n                button = ev.detail < 0\n                    ? 64\n                    : 65;\n                break;\n            case 'wheel':\n                button = ev.wheelDeltaY > 0\n                    ? 64\n                    : 65;\n                break;\n        }\n        shift = ev.shiftKey ? 4 : 0;\n        meta = ev.metaKey ? 8 : 0;\n        ctrl = ev.ctrlKey ? 16 : 0;\n        mod = shift | meta | ctrl;\n        if (self.vt200Mouse) {\n            mod &= ctrl;\n        }\n        else if (!self.normalMouse) {\n            mod = 0;\n        }\n        button = (32 + (mod << 2)) + button;\n        return button;\n    }\n    on(el, 'mousedown', function (ev) {\n        if (!self.mouseEvents)\n            return;\n        sendButton(ev);\n        self.focus();\n        if (self.vt200Mouse) {\n            ev.overrideType = 'mouseup';\n            sendButton(ev);\n            return self.cancel(ev);\n        }\n        if (self.normalMouse)\n            on(self.document, 'mousemove', sendMove);\n        if (!self.x10Mouse) {\n            on(self.document, 'mouseup', function up(ev) {\n                sendButton(ev);\n                if (self.normalMouse)\n                    off(self.document, 'mousemove', sendMove);\n                off(self.document, 'mouseup', up);\n                return self.cancel(ev);\n            });\n        }\n        return self.cancel(ev);\n    });\n    on(el, 'wheel', function (ev) {\n        if (!self.mouseEvents)\n            return;\n        if (self.x10Mouse\n            || self.vt300Mouse\n            || self.decLocator)\n            return;\n        sendButton(ev);\n        return self.cancel(ev);\n    });\n    on(el, 'wheel', function (ev) {\n        if (self.mouseEvents)\n            return;\n        self.viewport.onWheel(ev);\n        return self.cancel(ev);\n    });\n    on(el, 'touchstart', function (ev) {\n        if (self.mouseEvents)\n            return;\n        self.viewport.onTouchStart(ev);\n        return self.cancel(ev);\n    });\n    on(el, 'touchmove', function (ev) {\n        if (self.mouseEvents)\n            return;\n        self.viewport.onTouchMove(ev);\n        return self.cancel(ev);\n    });\n};\nTerminal.prototype.destroy = function () {\n    this.readable = false;\n    this.writable = false;\n    this._events = {};\n    this.handler = function () { };\n    this.write = function () { };\n    if (this.element && this.element.parentNode) {\n        this.element.parentNode.removeChild(this.element);\n    }\n};\nTerminal.prototype.refresh = function (start, end) {\n    if (this.renderer) {\n        this.renderer.queueRefresh(start, end);\n    }\n};\nTerminal.prototype.queueLinkification = function (start, end) {\n    if (this.linkifier) {\n        for (var i = start; i <= end; i++) {\n            this.linkifier.linkifyRow(i);\n        }\n    }\n};\nTerminal.prototype.showCursor = function () {\n    if (!this.cursorState) {\n        this.cursorState = 1;\n        this.refresh(this.y, this.y);\n    }\n};\nTerminal.prototype.scroll = function (isWrapped) {\n    var row;\n    if (this.lines.length === this.lines.maxLength) {\n        this.lines.trimStart(1);\n        this.ybase--;\n        if (this.ydisp !== 0) {\n            this.ydisp--;\n        }\n    }\n    this.ybase++;\n    if (!this.userScrolling) {\n        this.ydisp = this.ybase;\n    }\n    row = this.ybase + this.rows - 1;\n    row -= this.rows - 1 - this.scrollBottom;\n    if (row === this.lines.length) {\n        this.lines.push(this.blankLine(undefined, isWrapped));\n    }\n    else {\n        this.lines.splice(row, 0, this.blankLine(undefined, isWrapped));\n    }\n    if (this.scrollTop !== 0) {\n        if (this.ybase !== 0) {\n            this.ybase--;\n            if (!this.userScrolling) {\n                this.ydisp = this.ybase;\n            }\n        }\n        this.lines.splice(this.ybase + this.scrollTop, 1);\n    }\n    this.updateRange(this.scrollTop);\n    this.updateRange(this.scrollBottom);\n    this.emit('scroll', this.ydisp);\n};\nTerminal.prototype.scrollDisp = function (disp, suppressScrollEvent) {\n    if (disp < 0) {\n        if (this.ydisp === 0) {\n            return;\n        }\n        this.userScrolling = true;\n    }\n    else if (disp + this.ydisp >= this.ybase) {\n        this.userScrolling = false;\n    }\n    this.ydisp += disp;\n    if (this.ydisp > this.ybase) {\n        this.ydisp = this.ybase;\n    }\n    else if (this.ydisp < 0) {\n        this.ydisp = 0;\n    }\n    if (!suppressScrollEvent) {\n        this.emit('scroll', this.ydisp);\n    }\n    this.refresh(0, this.rows - 1);\n};\nTerminal.prototype.scrollPages = function (pageCount) {\n    this.scrollDisp(pageCount * (this.rows - 1));\n};\nTerminal.prototype.scrollToTop = function () {\n    this.scrollDisp(-this.ydisp);\n};\nTerminal.prototype.scrollToBottom = function () {\n    this.scrollDisp(this.ybase - this.ydisp);\n};\nTerminal.prototype.write = function (data) {\n    this.writeBuffer.push(data);\n    if (this.options.useFlowControl && !this.xoffSentToCatchUp && this.writeBuffer.length >= WRITE_BUFFER_PAUSE_THRESHOLD) {\n        this.send(EscapeSequences_1.C0.DC3);\n        this.xoffSentToCatchUp = true;\n    }\n    if (!this.writeInProgress && this.writeBuffer.length > 0) {\n        this.writeInProgress = true;\n        var self = this;\n        setTimeout(function () {\n            self.innerWrite();\n        });\n    }\n};\nTerminal.prototype.innerWrite = function () {\n    var writeBatch = this.writeBuffer.splice(0, WRITE_BATCH_SIZE);\n    while (writeBatch.length > 0) {\n        var data = writeBatch.shift();\n        var l = data.length, i = 0, j, cs, ch, code, low, ch_width, row;\n        if (this.xoffSentToCatchUp && writeBatch.length === 0 && this.writeBuffer.length === 0) {\n            this.send(EscapeSequences_1.C0.DC1);\n            this.xoffSentToCatchUp = false;\n        }\n        this.refreshStart = this.y;\n        this.refreshEnd = this.y;\n        var state = this.parser.parse(data);\n        this.parser.setState(state);\n        this.updateRange(this.y);\n        this.refresh(this.refreshStart, this.refreshEnd);\n    }\n    if (this.writeBuffer.length > 0) {\n        var self = this;\n        setTimeout(function () {\n            self.innerWrite();\n        }, 0);\n    }\n    else {\n        this.writeInProgress = false;\n    }\n};\nTerminal.prototype.writeln = function (data) {\n    this.write(data + '\\r\\n');\n};\nTerminal.prototype.attachCustomKeydownHandler = function (customKeydownHandler) {\n    var message = 'attachCustomKeydownHandler() is DEPRECATED and will be removed soon. Please use attachCustomKeyEventHandler() instead.';\n    console.warn(message);\n    this.attachCustomKeyEventHandler(customKeydownHandler);\n};\nTerminal.prototype.attachCustomKeyEventHandler = function (customKeyEventHandler) {\n    this.customKeyEventHandler = customKeyEventHandler;\n};\nTerminal.prototype.setHypertextLinkHandler = function (handler) {\n    if (!this.linkifier) {\n        throw new Error('Cannot attach a hypertext link handler before Terminal.open is called');\n    }\n    this.linkifier.setHypertextLinkHandler(handler);\n    this.refresh(0, this.rows - 1);\n};\nTerminal.prototype.setHypertextValidationCallback = function (callback) {\n    if (!this.linkifier) {\n        throw new Error('Cannot attach a hypertext validation callback before Terminal.open is called');\n    }\n    this.linkifier.setHypertextValidationCallback(callback);\n    this.refresh(0, this.rows - 1);\n};\nTerminal.prototype.registerLinkMatcher = function (regex, handler, options) {\n    if (this.linkifier) {\n        var matcherId = this.linkifier.registerLinkMatcher(regex, handler, options);\n        this.refresh(0, this.rows - 1);\n        return matcherId;\n    }\n};\nTerminal.prototype.deregisterLinkMatcher = function (matcherId) {\n    if (this.linkifier) {\n        if (this.linkifier.deregisterLinkMatcher(matcherId)) {\n            this.refresh(0, this.rows - 1);\n        }\n    }\n};\nTerminal.prototype.hasSelection = function () {\n    return this.selectionManager.hasSelection;\n};\nTerminal.prototype.getSelection = function () {\n    return this.selectionManager.selectionText;\n};\nTerminal.prototype.clearSelection = function () {\n    this.selectionManager.clearSelection();\n};\nTerminal.prototype.selectAll = function () {\n    this.selectionManager.selectAll();\n};\nTerminal.prototype.keyDown = function (ev) {\n    if (this.customKeyEventHandler && this.customKeyEventHandler(ev) === false) {\n        return false;\n    }\n    this.restartCursorBlinking();\n    if (!this.compositionHelper.keydown.bind(this.compositionHelper)(ev)) {\n        if (this.ybase !== this.ydisp) {\n            this.scrollToBottom();\n        }\n        return false;\n    }\n    var self = this;\n    var result = this.evaluateKeyEscapeSequence(ev);\n    if (result.key === EscapeSequences_1.C0.DC3) {\n        this.writeStopped = true;\n    }\n    else if (result.key === EscapeSequences_1.C0.DC1) {\n        this.writeStopped = false;\n    }\n    if (result.scrollDisp) {\n        this.scrollDisp(result.scrollDisp);\n        return this.cancel(ev, true);\n    }\n    if (isThirdLevelShift(this, ev)) {\n        return true;\n    }\n    if (result.cancel) {\n        this.cancel(ev, true);\n    }\n    if (!result.key) {\n        return true;\n    }\n    this.emit('keydown', ev);\n    this.emit('key', result.key, ev);\n    this.showCursor();\n    this.handler(result.key);\n    return this.cancel(ev, true);\n};\nTerminal.prototype.evaluateKeyEscapeSequence = function (ev) {\n    var result = {\n        cancel: false,\n        key: undefined,\n        scrollDisp: undefined\n    };\n    var modifiers = ev.shiftKey << 0 | ev.altKey << 1 | ev.ctrlKey << 2 | ev.metaKey << 3;\n    switch (ev.keyCode) {\n        case 8:\n            if (ev.shiftKey) {\n                result.key = EscapeSequences_1.C0.BS;\n                break;\n            }\n            result.key = EscapeSequences_1.C0.DEL;\n            break;\n        case 9:\n            if (ev.shiftKey) {\n                result.key = EscapeSequences_1.C0.ESC + '[Z';\n                break;\n            }\n            result.key = EscapeSequences_1.C0.HT;\n            result.cancel = true;\n            break;\n        case 13:\n            result.key = EscapeSequences_1.C0.CR;\n            result.cancel = true;\n            break;\n        case 27:\n            result.key = EscapeSequences_1.C0.ESC;\n            result.cancel = true;\n            break;\n        case 37:\n            if (modifiers) {\n                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'D';\n                if (result.key == EscapeSequences_1.C0.ESC + '[1;3D') {\n                    result.key = (this.browser.isMac) ? EscapeSequences_1.C0.ESC + 'b' : EscapeSequences_1.C0.ESC + '[1;5D';\n                }\n            }\n            else if (this.applicationCursor) {\n                result.key = EscapeSequences_1.C0.ESC + 'OD';\n            }\n            else {\n                result.key = EscapeSequences_1.C0.ESC + '[D';\n            }\n            break;\n        case 39:\n            if (modifiers) {\n                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'C';\n                if (result.key == EscapeSequences_1.C0.ESC + '[1;3C') {\n                    result.key = (this.browser.isMac) ? EscapeSequences_1.C0.ESC + 'f' : EscapeSequences_1.C0.ESC + '[1;5C';\n                }\n            }\n            else if (this.applicationCursor) {\n                result.key = EscapeSequences_1.C0.ESC + 'OC';\n            }\n            else {\n                result.key = EscapeSequences_1.C0.ESC + '[C';\n            }\n            break;\n        case 38:\n            if (modifiers) {\n                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'A';\n                if (result.key == EscapeSequences_1.C0.ESC + '[1;3A') {\n                    result.key = EscapeSequences_1.C0.ESC + '[1;5A';\n                }\n            }\n            else if (this.applicationCursor) {\n                result.key = EscapeSequences_1.C0.ESC + 'OA';\n            }\n            else {\n                result.key = EscapeSequences_1.C0.ESC + '[A';\n            }\n            break;\n        case 40:\n            if (modifiers) {\n                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'B';\n                if (result.key == EscapeSequences_1.C0.ESC + '[1;3B') {\n                    result.key = EscapeSequences_1.C0.ESC + '[1;5B';\n                }\n            }\n            else if (this.applicationCursor) {\n                result.key = EscapeSequences_1.C0.ESC + 'OB';\n            }\n            else {\n                result.key = EscapeSequences_1.C0.ESC + '[B';\n            }\n            break;\n        case 45:\n            if (!ev.shiftKey && !ev.ctrlKey) {\n                result.key = EscapeSequences_1.C0.ESC + '[2~';\n            }\n            break;\n        case 46:\n            if (modifiers) {\n                result.key = EscapeSequences_1.C0.ESC + '[3;' + (modifiers + 1) + '~';\n            }\n            else {\n                result.key = EscapeSequences_1.C0.ESC + '[3~';\n            }\n            break;\n        case 36:\n            if (modifiers)\n                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'H';\n            else if (this.applicationCursor)\n                result.key = EscapeSequences_1.C0.ESC + 'OH';\n            else\n                result.key = EscapeSequences_1.C0.ESC + '[H';\n            break;\n        case 35:\n            if (modifiers)\n                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'F';\n            else if (this.applicationCursor)\n                result.key = EscapeSequences_1.C0.ESC + 'OF';\n            else\n                result.key = EscapeSequences_1.C0.ESC + '[F';\n            break;\n        case 33:\n            if (ev.shiftKey) {\n                result.scrollDisp = -(this.rows - 1);\n            }\n            else {\n                result.key = EscapeSequences_1.C0.ESC + '[5~';\n            }\n            break;\n        case 34:\n            if (ev.shiftKey) {\n                result.scrollDisp = this.rows - 1;\n            }\n            else {\n                result.key = EscapeSequences_1.C0.ESC + '[6~';\n            }\n            break;\n        case 112:\n            if (modifiers) {\n                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'P';\n            }\n            else {\n                result.key = EscapeSequences_1.C0.ESC + 'OP';\n            }\n            break;\n        case 113:\n            if (modifiers) {\n                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'Q';\n            }\n            else {\n                result.key = EscapeSequences_1.C0.ESC + 'OQ';\n            }\n            break;\n        case 114:\n            if (modifiers) {\n                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'R';\n            }\n            else {\n                result.key = EscapeSequences_1.C0.ESC + 'OR';\n            }\n            break;\n        case 115:\n            if (modifiers) {\n                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'S';\n            }\n            else {\n                result.key = EscapeSequences_1.C0.ESC + 'OS';\n            }\n            break;\n        case 116:\n            if (modifiers) {\n                result.key = EscapeSequences_1.C0.ESC + '[15;' + (modifiers + 1) + '~';\n            }\n            else {\n                result.key = EscapeSequences_1.C0.ESC + '[15~';\n            }\n            break;\n        case 117:\n            if (modifiers) {\n                result.key = EscapeSequences_1.C0.ESC + '[17;' + (modifiers + 1) + '~';\n            }\n            else {\n                result.key = EscapeSequences_1.C0.ESC + '[17~';\n            }\n            break;\n        case 118:\n            if (modifiers) {\n                result.key = EscapeSequences_1.C0.ESC + '[18;' + (modifiers + 1) + '~';\n            }\n            else {\n                result.key = EscapeSequences_1.C0.ESC + '[18~';\n            }\n            break;\n        case 119:\n            if (modifiers) {\n                result.key = EscapeSequences_1.C0.ESC + '[19;' + (modifiers + 1) + '~';\n            }\n            else {\n                result.key = EscapeSequences_1.C0.ESC + '[19~';\n            }\n            break;\n        case 120:\n            if (modifiers) {\n                result.key = EscapeSequences_1.C0.ESC + '[20;' + (modifiers + 1) + '~';\n            }\n            else {\n                result.key = EscapeSequences_1.C0.ESC + '[20~';\n            }\n            break;\n        case 121:\n            if (modifiers) {\n                result.key = EscapeSequences_1.C0.ESC + '[21;' + (modifiers + 1) + '~';\n            }\n            else {\n                result.key = EscapeSequences_1.C0.ESC + '[21~';\n            }\n            break;\n        case 122:\n            if (modifiers) {\n                result.key = EscapeSequences_1.C0.ESC + '[23;' + (modifiers + 1) + '~';\n            }\n            else {\n                result.key = EscapeSequences_1.C0.ESC + '[23~';\n            }\n            break;\n        case 123:\n            if (modifiers) {\n                result.key = EscapeSequences_1.C0.ESC + '[24;' + (modifiers + 1) + '~';\n            }\n            else {\n                result.key = EscapeSequences_1.C0.ESC + '[24~';\n            }\n            break;\n        default:\n            if (ev.ctrlKey && !ev.shiftKey && !ev.altKey && !ev.metaKey) {\n                if (ev.keyCode >= 65 && ev.keyCode <= 90) {\n                    result.key = String.fromCharCode(ev.keyCode - 64);\n                }\n                else if (ev.keyCode === 32) {\n                    result.key = String.fromCharCode(0);\n                }\n                else if (ev.keyCode >= 51 && ev.keyCode <= 55) {\n                    result.key = String.fromCharCode(ev.keyCode - 51 + 27);\n                }\n                else if (ev.keyCode === 56) {\n                    result.key = String.fromCharCode(127);\n                }\n                else if (ev.keyCode === 219) {\n                    result.key = String.fromCharCode(27);\n                }\n                else if (ev.keyCode === 220) {\n                    result.key = String.fromCharCode(28);\n                }\n                else if (ev.keyCode === 221) {\n                    result.key = String.fromCharCode(29);\n                }\n            }\n            else if (!this.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) {\n                if (ev.keyCode >= 65 && ev.keyCode <= 90) {\n                    result.key = EscapeSequences_1.C0.ESC + String.fromCharCode(ev.keyCode + 32);\n                }\n                else if (ev.keyCode === 192) {\n                    result.key = EscapeSequences_1.C0.ESC + '`';\n                }\n                else if (ev.keyCode >= 48 && ev.keyCode <= 57) {\n                    result.key = EscapeSequences_1.C0.ESC + (ev.keyCode - 48);\n                }\n            }\n            else if (this.browser.isMac && !ev.altKey && !ev.ctrlKey && ev.metaKey) {\n                if (ev.keyCode === 65) {\n                    this.selectAll();\n                }\n            }\n            break;\n    }\n    return result;\n};\nTerminal.prototype.setgLevel = function (g) {\n    this.glevel = g;\n    this.charset = this.charsets[g];\n};\nTerminal.prototype.setgCharset = function (g, charset) {\n    this.charsets[g] = charset;\n    if (this.glevel === g) {\n        this.charset = charset;\n    }\n};\nTerminal.prototype.keyPress = function (ev) {\n    var key;\n    if (this.customKeyEventHandler && this.customKeyEventHandler(ev) === false) {\n        return false;\n    }\n    this.cancel(ev);\n    if (ev.charCode) {\n        key = ev.charCode;\n    }\n    else if (ev.which == null) {\n        key = ev.keyCode;\n    }\n    else if (ev.which !== 0 && ev.charCode !== 0) {\n        key = ev.which;\n    }\n    else {\n        return false;\n    }\n    if (!key || ((ev.altKey || ev.ctrlKey || ev.metaKey) && !isThirdLevelShift(this, ev))) {\n        return false;\n    }\n    key = String.fromCharCode(key);\n    this.emit('keypress', key, ev);\n    this.emit('key', key, ev);\n    this.showCursor();\n    this.handler(key);\n    return true;\n};\nTerminal.prototype.send = function (data) {\n    var self = this;\n    if (!this.queue) {\n        setTimeout(function () {\n            self.handler(self.queue);\n            self.queue = '';\n        }, 1);\n    }\n    this.queue += data;\n};\nTerminal.prototype.bell = function () {\n    if (!this.visualBell)\n        return;\n    var self = this;\n    this.element.style.borderColor = 'white';\n    setTimeout(function () {\n        self.element.style.borderColor = '';\n    }, 10);\n    if (this.popOnBell)\n        this.focus();\n};\nTerminal.prototype.log = function () {\n    if (!this.debug)\n        return;\n    if (!this.context.console || !this.context.console.log)\n        return;\n    var args = Array.prototype.slice.call(arguments);\n    this.context.console.log.apply(this.context.console, args);\n};\nTerminal.prototype.error = function () {\n    if (!this.debug)\n        return;\n    if (!this.context.console || !this.context.console.error)\n        return;\n    var args = Array.prototype.slice.call(arguments);\n    this.context.console.error.apply(this.context.console, args);\n};\nTerminal.prototype.resize = function (x, y) {\n    if (isNaN(x) || isNaN(y)) {\n        return;\n    }\n    if (y > this.getOption('scrollback')) {\n        this.setOption('scrollback', y);\n    }\n    var line, el, i, j, ch, addToY;\n    if (x === this.cols && y === this.rows) {\n        return;\n    }\n    if (x < 1)\n        x = 1;\n    if (y < 1)\n        y = 1;\n    j = this.cols;\n    if (j < x) {\n        ch = [this.defAttr, ' ', 1];\n        i = this.lines.length;\n        while (i--) {\n            while (this.lines.get(i).length < x) {\n                this.lines.get(i).push(ch);\n            }\n        }\n    }\n    this.cols = x;\n    this.setupStops(this.cols);\n    j = this.rows;\n    addToY = 0;\n    if (j < y) {\n        el = this.element;\n        while (j++ < y) {\n            if (this.lines.length < y + this.ybase) {\n                if (this.ybase > 0 && this.lines.length <= this.ybase + this.y + addToY + 1) {\n                    this.ybase--;\n                    addToY++;\n                    if (this.ydisp > 0) {\n                        this.ydisp--;\n                    }\n                }\n                else {\n                    this.lines.push(this.blankLine());\n                }\n            }\n            if (this.children.length < y) {\n                this.insertRow();\n            }\n        }\n    }\n    else {\n        while (j-- > y) {\n            if (this.lines.length > y + this.ybase) {\n                if (this.lines.length > this.ybase + this.y + 1) {\n                    this.lines.pop();\n                }\n                else {\n                    this.ybase++;\n                    this.ydisp++;\n                }\n            }\n            if (this.children.length > y) {\n                el = this.children.shift();\n                if (!el)\n                    continue;\n                el.parentNode.removeChild(el);\n            }\n        }\n    }\n    this.rows = y;\n    if (this.y >= y) {\n        this.y = y - 1;\n    }\n    if (addToY) {\n        this.y += addToY;\n    }\n    if (this.x >= x) {\n        this.x = x - 1;\n    }\n    this.scrollTop = 0;\n    this.scrollBottom = y - 1;\n    this.charMeasure.measure();\n    this.refresh(0, this.rows - 1);\n    this.normal = null;\n    this.geometry = [this.cols, this.rows];\n    this.emit('resize', { terminal: this, cols: x, rows: y });\n};\nTerminal.prototype.updateRange = function (y) {\n    if (y < this.refreshStart)\n        this.refreshStart = y;\n    if (y > this.refreshEnd)\n        this.refreshEnd = y;\n};\nTerminal.prototype.maxRange = function () {\n    this.refreshStart = 0;\n    this.refreshEnd = this.rows - 1;\n};\nTerminal.prototype.setupStops = function (i) {\n    if (i != null) {\n        if (!this.tabs[i]) {\n            i = this.prevStop(i);\n        }\n    }\n    else {\n        this.tabs = {};\n        i = 0;\n    }\n    for (; i < this.cols; i += this.getOption('tabStopWidth')) {\n        this.tabs[i] = true;\n    }\n};\nTerminal.prototype.prevStop = function (x) {\n    if (x == null)\n        x = this.x;\n    while (!this.tabs[--x] && x > 0)\n        ;\n    return x >= this.cols\n        ? this.cols - 1\n        : x < 0 ? 0 : x;\n};\nTerminal.prototype.nextStop = function (x) {\n    if (x == null)\n        x = this.x;\n    while (!this.tabs[++x] && x < this.cols)\n        ;\n    return x >= this.cols\n        ? this.cols - 1\n        : x < 0 ? 0 : x;\n};\nTerminal.prototype.eraseRight = function (x, y) {\n    var line = this.lines.get(this.ybase + y);\n    if (!line) {\n        return;\n    }\n    var ch = [this.eraseAttr(), ' ', 1];\n    for (; x < this.cols; x++) {\n        line[x] = ch;\n    }\n    this.updateRange(y);\n};\nTerminal.prototype.eraseLeft = function (x, y) {\n    var line = this.lines.get(this.ybase + y);\n    if (!line) {\n        return;\n    }\n    var ch = [this.eraseAttr(), ' ', 1];\n    x++;\n    while (x--) {\n        line[x] = ch;\n    }\n    this.updateRange(y);\n};\nTerminal.prototype.clear = function () {\n    if (this.ybase === 0 && this.y === 0) {\n        return;\n    }\n    this.lines.set(0, this.lines.get(this.ybase + this.y));\n    this.lines.length = 1;\n    this.ydisp = 0;\n    this.ybase = 0;\n    this.y = 0;\n    for (var i = 1; i < this.rows; i++) {\n        this.lines.push(this.blankLine());\n    }\n    this.refresh(0, this.rows - 1);\n    this.emit('scroll', this.ydisp);\n};\nTerminal.prototype.eraseLine = function (y) {\n    this.eraseRight(0, y);\n};\nTerminal.prototype.blankLine = function (cur, isWrapped) {\n    var attr = cur\n        ? this.eraseAttr()\n        : this.defAttr;\n    var ch = [attr, ' ', 1], line = [], i = 0;\n    if (isWrapped) {\n        line.isWrapped = isWrapped;\n    }\n    for (; i < this.cols; i++) {\n        line[i] = ch;\n    }\n    return line;\n};\nTerminal.prototype.ch = function (cur) {\n    return cur\n        ? [this.eraseAttr(), ' ', 1]\n        : [this.defAttr, ' ', 1];\n};\nTerminal.prototype.is = function (term) {\n    var name = this.termName;\n    return (name + '').indexOf(term) === 0;\n};\nTerminal.prototype.handler = function (data) {\n    if (this.options.disableStdin) {\n        return;\n    }\n    if (this.ybase !== this.ydisp) {\n        this.scrollToBottom();\n    }\n    this.emit('data', data);\n};\nTerminal.prototype.handleTitle = function (title) {\n    this.emit('title', title);\n};\nTerminal.prototype.index = function () {\n    this.y++;\n    if (this.y > this.scrollBottom) {\n        this.y--;\n        this.scroll();\n    }\n    if (this.x >= this.cols) {\n        this.x--;\n    }\n};\nTerminal.prototype.reverseIndex = function () {\n    var j;\n    if (this.y === this.scrollTop) {\n        this.lines.shiftElements(this.y + this.ybase, this.rows - 1, 1);\n        this.lines.set(this.y + this.ybase, this.blankLine(true));\n        this.updateRange(this.scrollTop);\n        this.updateRange(this.scrollBottom);\n    }\n    else {\n        this.y--;\n    }\n};\nTerminal.prototype.reset = function () {\n    this.options.rows = this.rows;\n    this.options.cols = this.cols;\n    var customKeyEventHandler = this.customKeyEventHandler;\n    var cursorBlinkInterval = this.cursorBlinkInterval;\n    Terminal.call(this, this.options);\n    this.customKeyEventHandler = customKeyEventHandler;\n    this.cursorBlinkInterval = cursorBlinkInterval;\n    this.refresh(0, this.rows - 1);\n    this.viewport.syncScrollArea();\n};\nTerminal.prototype.tabSet = function () {\n    this.tabs[this.x] = true;\n};\nfunction on(el, type, handler, capture) {\n    if (!Array.isArray(el)) {\n        el = [el];\n    }\n    el.forEach(function (element) {\n        element.addEventListener(type, handler, capture || false);\n    });\n}\nfunction off(el, type, handler, capture) {\n    el.removeEventListener(type, handler, capture || false);\n}\nfunction cancel(ev, force) {\n    if (!this.cancelEvents && !force) {\n        return;\n    }\n    ev.preventDefault();\n    ev.stopPropagation();\n    return false;\n}\nfunction inherits(child, parent) {\n    function f() {\n        this.constructor = child;\n    }\n    f.prototype = parent.prototype;\n    child.prototype = new f;\n}\nfunction indexOf(obj, el) {\n    var i = obj.length;\n    while (i--) {\n        if (obj[i] === el)\n            return i;\n    }\n    return -1;\n}\nfunction isThirdLevelShift(term, ev) {\n    var thirdLevelKey = (term.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) ||\n        (term.browser.isMSWindows && ev.altKey && ev.ctrlKey && !ev.metaKey);\n    if (ev.type == 'keypress') {\n        return thirdLevelKey;\n    }\n    return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47);\n}\nTerminal.prototype.matchColor = matchColor;\nfunction matchColor(r1, g1, b1) {\n    var hash = (r1 << 16) | (g1 << 8) | b1;\n    if (matchColor._cache[hash] != null) {\n        return matchColor._cache[hash];\n    }\n    var ldiff = Infinity, li = -1, i = 0, c, r2, g2, b2, diff;\n    for (; i < Terminal.vcolors.length; i++) {\n        c = Terminal.vcolors[i];\n        r2 = c[0];\n        g2 = c[1];\n        b2 = c[2];\n        diff = matchColor.distance(r1, g1, b1, r2, g2, b2);\n        if (diff === 0) {\n            li = i;\n            break;\n        }\n        if (diff < ldiff) {\n            ldiff = diff;\n            li = i;\n        }\n    }\n    return matchColor._cache[hash] = li;\n}\nmatchColor._cache = {};\nmatchColor.distance = function (r1, g1, b1, r2, g2, b2) {\n    return Math.pow(30 * (r1 - r2), 2)\n        + Math.pow(59 * (g1 - g2), 2)\n        + Math.pow(11 * (b1 - b2), 2);\n};\nfunction each(obj, iter, con) {\n    if (obj.forEach)\n        return obj.forEach(iter, con);\n    for (var i = 0; i < obj.length; i++) {\n        iter.call(con, obj[i], i, obj);\n    }\n}\nfunction wasMondifierKeyOnlyEvent(ev) {\n    return ev.keyCode === 16 ||\n        ev.keyCode === 17 ||\n        ev.keyCode === 18;\n}\nfunction keys(obj) {\n    if (Object.keys)\n        return Object.keys(obj);\n    var key, keys = [];\n    for (key in obj) {\n        if (Object.prototype.hasOwnProperty.call(obj, key)) {\n            keys.push(key);\n        }\n    }\n    return keys;\n}\nTerminal.EventEmitter = EventEmitter_1.EventEmitter;\nTerminal.inherits = inherits;\nTerminal.on = on;\nTerminal.off = off;\nTerminal.cancel = cancel;\nmodule.exports = Terminal;\n\n//# sourceMappingURL=xterm.js.map\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/xterm.js\n// module id = 0\n// module chunks = 0","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\n;\nvar EventEmitter = (function () {\n    function EventEmitter() {\n        this._events = this._events || {};\n    }\n    EventEmitter.prototype.on = function (type, listener) {\n        this._events[type] = this._events[type] || [];\n        this._events[type].push(listener);\n    };\n    EventEmitter.prototype.off = function (type, listener) {\n        if (!this._events[type]) {\n            return;\n        }\n        var obj = this._events[type];\n        var i = obj.length;\n        while (i--) {\n            if (obj[i] === listener || obj[i].listener === listener) {\n                obj.splice(i, 1);\n                return;\n            }\n        }\n    };\n    EventEmitter.prototype.removeAllListeners = function (type) {\n        if (this._events[type]) {\n            delete this._events[type];\n        }\n    };\n    EventEmitter.prototype.once = function (type, listener) {\n        function on() {\n            var args = Array.prototype.slice.call(arguments);\n            this.off(type, on);\n            return listener.apply(this, args);\n        }\n        on.listener = listener;\n        return this.on(type, on);\n    };\n    EventEmitter.prototype.emit = function (type) {\n        var args = [];\n        for (var _i = 1; _i < arguments.length; _i++) {\n            args[_i - 1] = arguments[_i];\n        }\n        if (!this._events[type]) {\n            return;\n        }\n        var obj = this._events[type];\n        for (var i = 0; i < obj.length; i++) {\n            obj[i].apply(this, args);\n        }\n    };\n    EventEmitter.prototype.listeners = function (type) {\n        return this._events[type] || [];\n    };\n    return EventEmitter;\n}());\nexports.EventEmitter = EventEmitter;\n\n//# sourceMappingURL=EventEmitter.js.map\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/EventEmitter.js\n// module id = 1\n// module chunks = 0","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar C0;\n(function (C0) {\n    C0.NUL = '\\x00';\n    C0.SOH = '\\x01';\n    C0.STX = '\\x02';\n    C0.ETX = '\\x03';\n    C0.EOT = '\\x04';\n    C0.ENQ = '\\x05';\n    C0.ACK = '\\x06';\n    C0.BEL = '\\x07';\n    C0.BS = '\\x08';\n    C0.HT = '\\x09';\n    C0.LF = '\\x0a';\n    C0.VT = '\\x0b';\n    C0.FF = '\\x0c';\n    C0.CR = '\\x0d';\n    C0.SO = '\\x0e';\n    C0.SI = '\\x0f';\n    C0.DLE = '\\x10';\n    C0.DC1 = '\\x11';\n    C0.DC2 = '\\x12';\n    C0.DC3 = '\\x13';\n    C0.DC4 = '\\x14';\n    C0.NAK = '\\x15';\n    C0.SYN = '\\x16';\n    C0.ETB = '\\x17';\n    C0.CAN = '\\x18';\n    C0.EM = '\\x19';\n    C0.SUB = '\\x1a';\n    C0.ESC = '\\x1b';\n    C0.FS = '\\x1c';\n    C0.GS = '\\x1d';\n    C0.RS = '\\x1e';\n    C0.US = '\\x1f';\n    C0.SP = '\\x20';\n    C0.DEL = '\\x7f';\n})(C0 = exports.C0 || (exports.C0 = {}));\n;\n\n//# sourceMappingURL=EscapeSequences.js.map\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/EscapeSequences.js\n// module id = 2\n// module chunks = 0","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.CHARSETS = {};\nexports.DEFAULT_CHARSET = exports.CHARSETS['B'];\nexports.CHARSETS['0'] = {\n    '`': '\\u25c6',\n    'a': '\\u2592',\n    'b': '\\u0009',\n    'c': '\\u000c',\n    'd': '\\u000d',\n    'e': '\\u000a',\n    'f': '\\u00b0',\n    'g': '\\u00b1',\n    'h': '\\u2424',\n    'i': '\\u000b',\n    'j': '\\u2518',\n    'k': '\\u2510',\n    'l': '\\u250c',\n    'm': '\\u2514',\n    'n': '\\u253c',\n    'o': '\\u23ba',\n    'p': '\\u23bb',\n    'q': '\\u2500',\n    'r': '\\u23bc',\n    's': '\\u23bd',\n    't': '\\u251c',\n    'u': '\\u2524',\n    'v': '\\u2534',\n    'w': '\\u252c',\n    'x': '\\u2502',\n    'y': '\\u2264',\n    'z': '\\u2265',\n    '{': '\\u03c0',\n    '|': '\\u2260',\n    '}': '\\u00a3',\n    '~': '\\u00b7'\n};\nexports.CHARSETS['A'] = {\n    '#': '£'\n};\nexports.CHARSETS['B'] = null;\nexports.CHARSETS['4'] = {\n    '#': '£',\n    '@': '¾',\n    '[': 'ij',\n    '\\\\': '½',\n    ']': '|',\n    '{': '¨',\n    '|': 'f',\n    '}': '¼',\n    '~': '´'\n};\nexports.CHARSETS['C'] =\n    exports.CHARSETS['5'] = {\n        '[': 'Ä',\n        '\\\\': 'Ö',\n        ']': 'Å',\n        '^': 'Ü',\n        '`': 'é',\n        '{': 'ä',\n        '|': 'ö',\n        '}': 'å',\n        '~': 'ü'\n    };\nexports.CHARSETS['R'] = {\n    '#': '£',\n    '@': 'à',\n    '[': '°',\n    '\\\\': 'ç',\n    ']': '§',\n    '{': 'é',\n    '|': 'ù',\n    '}': 'è',\n    '~': '¨'\n};\nexports.CHARSETS['Q'] = {\n    '@': 'à',\n    '[': 'â',\n    '\\\\': 'ç',\n    ']': 'ê',\n    '^': 'î',\n    '`': 'ô',\n    '{': 'é',\n    '|': 'ù',\n    '}': 'è',\n    '~': 'û'\n};\nexports.CHARSETS['K'] = {\n    '@': '§',\n    '[': 'Ä',\n    '\\\\': 'Ö',\n    ']': 'Ü',\n    '{': 'ä',\n    '|': 'ö',\n    '}': 'ü',\n    '~': 'ß'\n};\nexports.CHARSETS['Y'] = {\n    '#': '£',\n    '@': '§',\n    '[': '°',\n    '\\\\': 'ç',\n    ']': 'é',\n    '`': 'ù',\n    '{': 'à',\n    '|': 'ò',\n    '}': 'è',\n    '~': 'ì'\n};\nexports.CHARSETS['E'] =\n    exports.CHARSETS['6'] = {\n        '@': 'Ä',\n        '[': 'Æ',\n        '\\\\': 'Ø',\n        ']': 'Å',\n        '^': 'Ü',\n        '`': 'ä',\n        '{': 'æ',\n        '|': 'ø',\n        '}': 'å',\n        '~': 'ü'\n    };\nexports.CHARSETS['Z'] = {\n    '#': '£',\n    '@': '§',\n    '[': '¡',\n    '\\\\': 'Ñ',\n    ']': '¿',\n    '{': '°',\n    '|': 'ñ',\n    '}': 'ç'\n};\nexports.CHARSETS['H'] =\n    exports.CHARSETS['7'] = {\n        '@': 'É',\n        '[': 'Ä',\n        '\\\\': 'Ö',\n        ']': 'Å',\n        '^': 'Ü',\n        '`': 'é',\n        '{': 'ä',\n        '|': 'ö',\n        '}': 'å',\n        '~': 'ü'\n    };\nexports.CHARSETS['='] = {\n    '#': 'ù',\n    '@': 'à',\n    '[': 'é',\n    '\\\\': 'ç',\n    ']': 'ê',\n    '^': 'î',\n    '_': 'è',\n    '`': 'ô',\n    '{': 'ä',\n    '|': 'ö',\n    '}': 'ü',\n    '~': 'û'\n};\n\n//# sourceMappingURL=Charsets.js.map\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/Charsets.js\n// module id = 3\n// module chunks = 0","/**\n * Implements the attach method, that attaches the terminal to a WebSocket stream.\n * @module xterm/addons/attach/attach\n * @license MIT\n */\n\n(function (attach) {\n  if (typeof exports === 'object' && typeof module === 'object') {\n    /*\n     * CommonJS environment\n     */\n    module.exports = attach(require('../../xterm'));\n  } else if (typeof define == 'function') {\n    /*\n     * Require.js is available\n     */\n    define(['../../xterm'], attach);\n  } else {\n    /*\n     * Plain browser environment\n     */\n    attach(window.Terminal);\n  }\n})(function (Xterm) {\n  'use strict';\n\n  var exports = {};\n\n  /**\n   * Attaches the given terminal to the given socket.\n   *\n   * @param {Xterm} term - The terminal to be attached to the given socket.\n   * @param {WebSocket} socket - The socket to attach the current terminal.\n   * @param {boolean} bidirectional - Whether the terminal should send data\n   *                                  to the socket as well.\n   * @param {boolean} buffered - Whether the rendering of incoming data\n   *                             should happen instantly or at a maximum\n   *                             frequency of 1 rendering per 10ms.\n   */\n  exports.attach = function (term, socket, bidirectional, buffered) {\n    bidirectional = (typeof bidirectional == 'undefined') ? true : bidirectional;\n    term.socket = socket;\n\n    term._flushBuffer = function () {\n      term.write(term._attachSocketBuffer);\n      term._attachSocketBuffer = null;\n      clearTimeout(term._attachSocketBufferTimer);\n      term._attachSocketBufferTimer = null;\n    };\n\n    term._pushToBuffer = function (data) {\n      if (term._attachSocketBuffer) {\n        term._attachSocketBuffer += data;\n      } else {\n        term._attachSocketBuffer = data;\n        setTimeout(term._flushBuffer, 10);\n      }\n    };\n\n    term._getMessage = function (ev) {\n      if (buffered) {\n        term._pushToBuffer(ev.data);\n      } else {\n        term.write(ev.data);\n      }\n    };\n\n    term._sendData = function (data) {\n      socket.send(data);\n    };\n\n    socket.addEventListener('message', term._getMessage);\n\n    if (bidirectional) {\n      term.on('data', term._sendData);\n    }\n\n    socket.addEventListener('close', term.detach.bind(term, socket));\n    socket.addEventListener('error', term.detach.bind(term, socket));\n  };\n\n  /**\n   * Detaches the given terminal from the given socket\n   *\n   * @param {Xterm} term - The terminal to be detached from the given socket.\n   * @param {WebSocket} socket - The socket from which to detach the current\n   *                             terminal.\n   */\n  exports.detach = function (term, socket) {\n    term.off('data', term._sendData);\n\n    socket = (typeof socket == 'undefined') ? term.socket : socket;\n\n    if (socket) {\n      socket.removeEventListener('message', term._getMessage);\n    }\n\n    delete term.socket;\n  };\n\n  /**\n   * Attaches the current terminal to the given socket\n   *\n   * @param {WebSocket} socket - The socket to attach the current terminal.\n   * @param {boolean} bidirectional - Whether the terminal should send data\n   *                                  to the socket as well.\n   * @param {boolean} buffered - Whether the rendering of incoming data\n   *                             should happen instantly or at a maximum\n   *                             frequency of 1 rendering per 10ms.\n   */\n  Xterm.prototype.attach = function (socket, bidirectional, buffered) {\n    return exports.attach(this, socket, bidirectional, buffered);\n  };\n\n  /**\n   * Detaches the current terminal from the given socket.\n   *\n   * @param {WebSocket} socket - The socket from which to detach the current\n   *                             terminal.\n   */\n  Xterm.prototype.detach = function (socket) {\n    return exports.detach(this, socket);\n  };\n\n  return exports;\n});\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/addons/attach/attach.js\n// module id = 4\n// module chunks = 0","/**\n * Fit terminal columns and rows to the dimensions of its DOM element.\n *\n * ## Approach\n * - Rows: Truncate the division of the terminal parent element height by the terminal row height.\n *\n * - Columns: Truncate the division of the terminal parent element width by the terminal character\n * width (apply display: inline at the terminal row and truncate its width with the current\n * number of columns).\n * @module xterm/addons/fit/fit\n * @license MIT\n */\n\n(function (fit) {\n  if (typeof exports === 'object' && typeof module === 'object') {\n    /*\n     * CommonJS environment\n     */\n    module.exports = fit(require('../../xterm'));\n  } else if (typeof define == 'function') {\n    /*\n     * Require.js is available\n     */\n    define(['../../xterm'], fit);\n  } else {\n    /*\n     * Plain browser environment\n     */\n    fit(window.Terminal);\n  }\n})(function (Xterm) {\n  var exports = {};\n\n  exports.proposeGeometry = function (term) {\n    if (!term.element.parentElement) {\n      return null;\n    }\n    var parentElementStyle = window.getComputedStyle(term.element.parentElement),\n        parentElementHeight = parseInt(parentElementStyle.getPropertyValue('height')),\n        parentElementWidth = Math.max(0, parseInt(parentElementStyle.getPropertyValue('width')) - 17),\n        elementStyle = window.getComputedStyle(term.element),\n        elementPaddingVer = parseInt(elementStyle.getPropertyValue('padding-top')) + parseInt(elementStyle.getPropertyValue('padding-bottom')),\n        elementPaddingHor = parseInt(elementStyle.getPropertyValue('padding-right')) + parseInt(elementStyle.getPropertyValue('padding-left')),\n        availableHeight = parentElementHeight - elementPaddingVer,\n        availableWidth = parentElementWidth - elementPaddingHor,\n        container = term.rowContainer,\n        subjectRow = term.rowContainer.firstElementChild,\n        contentBuffer = subjectRow.innerHTML,\n        characterHeight,\n        rows,\n        characterWidth,\n        cols,\n        geometry;\n\n    subjectRow.style.display = 'inline';\n    subjectRow.innerHTML = 'W'; // Common character for measuring width, although on monospace\n    characterWidth = subjectRow.getBoundingClientRect().width;\n    subjectRow.style.display = ''; // Revert style before calculating height, since they differ.\n    characterHeight = subjectRow.getBoundingClientRect().height;\n    subjectRow.innerHTML = contentBuffer;\n\n    rows = parseInt(availableHeight / characterHeight);\n    cols = parseInt(availableWidth / characterWidth);\n\n    geometry = {cols: cols, rows: rows};\n    return geometry;\n  };\n\n  exports.fit = function (term) {\n    var geometry = exports.proposeGeometry(term);\n\n    if (geometry) {\n      term.resize(geometry.cols, geometry.rows);\n    }\n  };\n\n  Xterm.prototype.proposeGeometry = function () {\n    return exports.proposeGeometry(this);\n  };\n\n  Xterm.prototype.fit = function () {\n    return exports.fit(this);\n  };\n\n  return exports;\n});\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/addons/fit/fit.js\n// module id = 5\n// module chunks = 0","/**\n * Fullscreen addon for xterm.js\n * @module xterm/addons/fullscreen/fullscreen\n * @license MIT\n */\n(function (fullscreen) {\n  if (typeof exports === 'object' && typeof module === 'object') {\n    /*\n     * CommonJS environment\n     */\n    module.exports = fullscreen(require('../../xterm'));\n  } else if (typeof define == 'function') {\n    /*\n     * Require.js is available\n     */\n    define(['../../xterm'], fullscreen);\n  } else {\n    /*\n     * Plain browser environment\n     */\n    fullscreen(window.Terminal);\n  }\n})(function (Xterm) {\n  var exports = {};\n\n  /**\n   * Toggle the given terminal's fullscreen mode.\n   * @param {Xterm} term - The terminal to toggle full screen mode\n   * @param {boolean} fullscreen - Toggle fullscreen on (true) or off (false)\n   */\n  exports.toggleFullScreen = function (term, fullscreen) {\n    var fn;\n\n    if (typeof fullscreen == 'undefined') {\n      fn = (term.element.classList.contains('fullscreen')) ? 'remove' : 'add';\n    } else if (!fullscreen) {\n      fn = 'remove';\n    } else {\n      fn = 'add';\n    }\n\n    term.element.classList[fn]('fullscreen');\n  };\n\n  Xterm.prototype.toggleFullscreen = function (fullscreen) {\n    exports.toggleFullScreen(this, fullscreen);\n  };\n\n  return exports;\n});\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/addons/fullscreen/fullscreen.js\n// module id = 6\n// module chunks = 0","/**\n * This module provides methods for attaching a terminal to a terminado WebSocket stream.\n *\n * @module xterm/addons/terminado/terminado\n * @license MIT\n */\n\n(function (attach) {\n  if (typeof exports === 'object' && typeof module === 'object') {\n    /*\n     * CommonJS environment\n     */\n    module.exports = attach(require('../../xterm'));\n  } else if (typeof define == 'function') {\n    /*\n     * Require.js is available\n     */\n    define(['../../xterm'], attach);\n  } else {\n    /*\n     * Plain browser environment\n     */\n    attach(window.Terminal);\n  }\n})(function (Xterm) {\n  'use strict';\n\n  var exports = {};\n\n  /**\n   * Attaches the given terminal to the given socket.\n   *\n   * @param {Xterm} term - The terminal to be attached to the given socket.\n   * @param {WebSocket} socket - The socket to attach the current terminal.\n   * @param {boolean} bidirectional - Whether the terminal should send data\n   *                                  to the socket as well.\n   * @param {boolean} buffered - Whether the rendering of incoming data\n   *                             should happen instantly or at a maximum\n   *                             frequency of 1 rendering per 10ms.\n   */\n  exports.terminadoAttach = function (term, socket, bidirectional, buffered) {\n    bidirectional = (typeof bidirectional == 'undefined') ? true : bidirectional;\n    term.socket = socket;\n\n    term._flushBuffer = function () {\n      term.write(term._attachSocketBuffer);\n      term._attachSocketBuffer = null;\n      clearTimeout(term._attachSocketBufferTimer);\n      term._attachSocketBufferTimer = null;\n    };\n\n    term._pushToBuffer = function (data) {\n      if (term._attachSocketBuffer) {\n        term._attachSocketBuffer += data;\n      } else {\n        term._attachSocketBuffer = data;\n        setTimeout(term._flushBuffer, 10);\n      }\n    };\n\n    term._getMessage = function (ev) {\n      var data = JSON.parse(ev.data)\n      if( data[0] == \"stdout\" ) {\n        if (buffered) {\n          term._pushToBuffer(data[1]);\n        } else {\n          term.write(data[1]);\n        }\n      }\n    };\n\n    term._sendData = function (data) {\n      socket.send(JSON.stringify(['stdin', data]));\n    };\n\n    term._setSize = function (size) {\n      socket.send(JSON.stringify(['set_size', size.rows, size.cols]));\n    };\n\n    socket.addEventListener('message', term._getMessage);\n\n    if (bidirectional) {\n      term.on('data', term._sendData);\n    }\n    term.on('resize', term._setSize);\n\n    socket.addEventListener('close', term.terminadoDetach.bind(term, socket));\n    socket.addEventListener('error', term.terminadoDetach.bind(term, socket));\n  };\n\n  /**\n   * Detaches the given terminal from the given socket\n   *\n   * @param {Xterm} term - The terminal to be detached from the given socket.\n   * @param {WebSocket} socket - The socket from which to detach the current\n   *                             terminal.\n   */\n  exports.terminadoDetach = function (term, socket) {\n    term.off('data', term._sendData);\n\n    socket = (typeof socket == 'undefined') ? term.socket : socket;\n\n    if (socket) {\n      socket.removeEventListener('message', term._getMessage);\n    }\n\n    delete term.socket;\n  };\n\n  /**\n   * Attaches the current terminal to the given socket\n   *\n   * @param {WebSocket} socket - The socket to attach the current terminal.\n   * @param {boolean} bidirectional - Whether the terminal should send data\n   *                                  to the socket as well.\n   * @param {boolean} buffered - Whether the rendering of incoming data\n   *                             should happen instantly or at a maximum\n   *                             frequency of 1 rendering per 10ms.\n   */\n  Xterm.prototype.terminadoAttach = function (socket, bidirectional, buffered) {\n    return exports.terminadoAttach(this, socket, bidirectional, buffered);\n  };\n\n  /**\n   * Detaches the current terminal from the given socket.\n   *\n   * @param {WebSocket} socket - The socket from which to detach the current\n   *                             terminal.\n   */\n  Xterm.prototype.terminadoDetach = function (socket) {\n    return exports.terminadoDetach(this, socket);\n  };\n\n  return exports;\n});\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/addons/terminado/terminado.js\n// module id = 7\n// module chunks = 0","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar Generic_1 = require(\"./Generic\");\nvar isNode = (typeof navigator === 'undefined') ? true : false;\nvar userAgent = (isNode) ? 'node' : navigator.userAgent;\nvar platform = (isNode) ? 'node' : navigator.platform;\nexports.isFirefox = !!~userAgent.indexOf('Firefox');\nexports.isMSIE = !!~userAgent.indexOf('MSIE') || !!~userAgent.indexOf('Trident');\nexports.isMac = Generic_1.contains(['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'], platform);\nexports.isIpad = platform === 'iPad';\nexports.isIphone = platform === 'iPhone';\nexports.isMSWindows = Generic_1.contains(['Windows', 'Win16', 'Win32', 'WinCE'], platform);\nexports.isLinux = platform.indexOf('Linux') >= 0;\n\n//# sourceMappingURL=Browser.js.map\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/utils/Browser.js\n// module id = 8\n// module chunks = 0","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nfunction getCoordsRelativeToElement(event, element) {\n    if (event.pageX == null) {\n        return null;\n    }\n    var x = event.pageX;\n    var y = event.pageY;\n    while (element && element !== self.document.documentElement) {\n        x -= element.offsetLeft;\n        y -= element.offsetTop;\n        element = 'offsetParent' in element ? element.offsetParent : element.parentElement;\n    }\n    return [x, y];\n}\nexports.getCoordsRelativeToElement = getCoordsRelativeToElement;\nfunction getCoords(event, rowContainer, charMeasure, colCount, rowCount, isSelection) {\n    var coords = getCoordsRelativeToElement(event, rowContainer);\n    coords[0] = Math.ceil((coords[0] + (isSelection ? charMeasure.width / 2 : 0)) / charMeasure.width);\n    coords[1] = Math.ceil(coords[1] / charMeasure.height);\n    coords[0] = Math.min(Math.max(coords[0], 1), colCount + 1);\n    coords[1] = Math.min(Math.max(coords[1], 1), rowCount + 1);\n    return coords;\n}\nexports.getCoords = getCoords;\nfunction getRawByteCoords(event, rowContainer, charMeasure, colCount, rowCount) {\n    var coords = getCoords(event, rowContainer, charMeasure, colCount, rowCount);\n    var x = coords[0];\n    var y = coords[1];\n    x += 32;\n    y += 32;\n    return { x: x, y: y };\n}\nexports.getRawByteCoords = getRawByteCoords;\n\n//# sourceMappingURL=Mouse.js.map\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/utils/Mouse.js\n// module id = 9\n// module chunks = 0","import * as bare from \"libapps\";\n\nexport class Hterm {\n    elem: HTMLElement;\n\n    term: bare.Terminal;\n    io: bare.IO;\n\n    columns: number;\n    rows: number;\n\n    // to \"show\" the current message when removeMessage() is called\n    message: string;\n\n    constructor(elem: HTMLElement) {\n        this.elem = elem;\n        bare.hterm.defaultStorage = new bare.lib.Storage.Memory();\n        this.term = new bare.hterm.Terminal();\n        this.term.getPrefs().set(\"send-encoding\", \"raw\");\n        this.term.decorate(this.elem);\n\n        this.io = this.term.io.push();\n        this.term.installKeyboard();\n    };\n\n    info(): { columns: number, rows: number } {\n        return { columns: this.columns, rows: this.rows };\n    };\n\n    output(data: string) {\n        if (this.term.io != null) {\n            this.term.io.writeUTF16(data);\n        }\n    };\n\n    showMessage(message: string, timeout: number) {\n        this.message = message;\n        if (timeout > 0) {\n            this.term.io.showOverlay(message, timeout);\n        } else {\n            this.term.io.showOverlay(message, null);\n        }\n    };\n\n    removeMessage(): void {\n        // there is no hideOverlay(), so show the same message with 0 sec\n        this.term.io.showOverlay(this.message, 0);\n    }\n\n    setWindowTitle(title: string) {\n        this.term.setWindowTitle(title);\n    };\n\n    setPreferences(value: object) {\n        Object.keys(value).forEach((key) => {\n            this.term.getPrefs().set(key, value[key]);\n        });\n    };\n\n    onInput(callback: (input: string) => void) {\n        this.io.onVTKeystroke = (data) => {\n            callback(data);\n        };\n        this.io.sendString = (data) => {\n            callback(data);\n        };\n    };\n\n    onResize(callback: (colmuns: number, rows: number) => void) {\n        this.io.onTerminalResize = (columns: number, rows: number) => {\n            this.columns = columns;\n            this.rows = rows;\n            callback(columns, rows);\n        };\n    };\n\n    deactivate(): void {\n        this.io.onVTKeystroke = null;\n        this.io.sendString = null\n        this.io.onTerminalResize = null;\n        this.term.uninstallKeyboard();\n    }\n\n    reset(): void {\n        this.removeMessage();\n        this.term.installKeyboard();\n    }\n\n    close(): void {\n        this.term.uninstallKeyboard();\n    }\n}\n\n\n\n// WEBPACK FOOTER //\n// ./src/hterm.ts","export class ConnectionFactory {\n    url: string;\n    protocols: string[];\n\n    constructor(url: string, protocols: string[]) {\n        this.url = url;\n        this.protocols = protocols;\n    };\n\n    create(): Connection {\n        return new Connection(this.url, this.protocols);\n    };\n}\n\nexport class Connection {\n    bare: WebSocket;\n\n\n    constructor(url: string, protocols: string[]) {\n        this.bare = new WebSocket(url, protocols);\n    }\n\n    open() {\n        // nothing todo for websocket\n    };\n\n    close() {\n        this.bare.close();\n    };\n\n    send(data: string) {\n        this.bare.send(data);\n    };\n\n    isOpen(): boolean {\n        if (this.bare.readyState == WebSocket.CONNECTING ||\n            this.bare.readyState == WebSocket.OPEN) {\n            return true\n        }\n        return false\n    }\n\n    onOpen(callback: () => void) {\n        this.bare.onopen = (event) => {\n            callback();\n        }\n    };\n\n    onReceive(callback: (data: string) => void) {\n        this.bare.onmessage = (event) => {\n            callback(event.data);\n        }\n    };\n\n    onClose(callback: () => void) {\n        this.bare.onclose = (event) => {\n            callback();\n        };\n    };\n}\n\n\n\n// WEBPACK FOOTER //\n// ./src/websocket.ts","export const protocols = [\"webtty\"];\n\nexport const msgInputUnknown = '0';\nexport const msgInput = '1';\nexport const msgPing = '2';\nexport const msgResizeTerminal = '3';\n\nexport const msgUnknownOutput = '0';\nexport const msgOutput = '1';\nexport const msgPong = '2';\nexport const msgSetWindowTitle = '3';\nexport const msgSetPreferences = '4';\nexport const msgSetReconnect = '5';\n\n\nexport interface Terminal {\n    info(): { columns: number, rows: number };\n    output(data: string): void;\n    showMessage(message: string, timeout: number): void;\n    removeMessage(): void;\n    setWindowTitle(title: string): void;\n    setPreferences(value: object): void;\n    onInput(callback: (input: string) => void): void;\n    onResize(callback: (colmuns: number, rows: number) => void): void;\n    reset(): void;\n    deactivate(): void;\n    close(): void;\n}\n\nexport interface Connection {\n    open(): void;\n    close(): void;\n    send(data: string): void;\n    isOpen(): boolean;\n    onOpen(callback: () => void): void;\n    onReceive(callback: (data: string) => void): void;\n    onClose(callback: () => void): void;\n}\n\nexport interface ConnectionFactory {\n    create(): Connection;\n}\n\n\nexport class WebTTY {\n    term: Terminal;\n    connectionFactory: ConnectionFactory;\n    args: string;\n    authToken: string;\n    reconnect: number;\n\n    constructor(term: Terminal, connectionFactory: ConnectionFactory, args: string, authToken: string) {\n        this.term = term;\n        this.connectionFactory = connectionFactory;\n        this.args = args;\n        this.authToken = authToken;\n        this.reconnect = -1;\n    };\n\n    open() {\n        let connection = this.connectionFactory.create();\n        let pingTimer: number;\n        let reconnectTimeout: number;\n\n        const setup = () => {\n            connection.onOpen(() => {\n                const termInfo = this.term.info();\n\n                connection.send(JSON.stringify(\n                    {\n                        Arguments: this.args,\n                        AuthToken: this.authToken,\n                    }\n                ));\n\n\n                const resizeHandler = (colmuns: number, rows: number) => {\n                    connection.send(\n                        msgResizeTerminal + JSON.stringify(\n                            {\n                                columns: colmuns,\n                                rows: rows\n                            }\n                        )\n                    );\n                };\n\n                this.term.onResize(resizeHandler);\n                resizeHandler(termInfo.columns, termInfo.rows);\n\n                this.term.onInput(\n                    (input: string) => {\n                        connection.send(msgInput + input);\n                    }\n                );\n\n                pingTimer = setInterval(() => {\n                    connection.send(msgPing)\n                }, 30 * 1000);\n\n            });\n\n            connection.onReceive((data) => {\n                const payload = data.slice(1);\n                switch (data[0]) {\n                    case msgOutput:\n                        this.term.output(\n                            decodeURIComponent(Array.prototype.map.call(atob(payload), function(c) {\n                                return '%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2);\n                            }).join(''))\n                        );\n                        break;\n                    case msgPong:\n                        break;\n                    case msgSetWindowTitle:\n                        this.term.setWindowTitle(payload);\n                        break;\n                    case msgSetPreferences:\n                        const preferences = JSON.parse(payload);\n                        this.term.setPreferences(preferences);\n                        break;\n                    case msgSetReconnect:\n                        const autoReconnect = JSON.parse(payload);\n                        console.log(\"Enabling reconnect: \" + autoReconnect + \" seconds\")\n                        this.reconnect = autoReconnect;\n                        break;\n                }\n            });\n\n            connection.onClose(() => {\n                clearInterval(pingTimer);\n                this.term.deactivate();\n                this.term.showMessage(\"Connection Closed\", 0);\n                if (this.reconnect > 0) {\n                    reconnectTimeout = setTimeout(() => {\n                        connection = this.connectionFactory.create();\n                        this.term.reset();\n                        setup();\n                    }, this.reconnect * 1000);\n                }\n            });\n\n            connection.open();\n        }\n\n        setup();\n        return () => {\n            clearTimeout(reconnectTimeout);\n            connection.close();\n        }\n    };\n};\n\n\n\n// WEBPACK FOOTER //\n// ./src/webtty.ts","import * as bare from \"xterm\";\n\nbare.loadAddon(\"fit\");\n\nexport class Xterm {\n    elem: HTMLElement;\n\n    message: HTMLElement;\n    messageTimeout: number;\n    messageTimer: number;\n\n    term: bare;\n    resizeListener: () => void;\n\n    constructor(elem: HTMLElement) {\n        this.elem = elem;\n        this.term = new bare();\n\n        this.message = elem.ownerDocument.createElement(\"div\");\n        this.message.className = \"xterm-overlay\";\n        this.messageTimeout = 2000;\n\n\n        this.resizeListener = () => {\n            this.term.fit();\n            this.term.scrollToBottom();\n            this.showMessage(String(this.term.cols) + \"x\" + String(this.term.rows), this.messageTimeout);\n        };\n\n        this.term.on(\"open\", () => {\n            this.resizeListener();\n            window.addEventListener(\"resize\", () => { this.resizeListener(); });\n        });\n\n        this.term.open(elem, true);\n    };\n\n    info(): { columns: number, rows: number } {\n        return { columns: this.term.cols, rows: this.term.rows };\n    };\n\n    output(data: string) {\n        this.term.write(data);\n    };\n\n    showMessage(message: string, timeout: number) {\n        this.message.textContent = message;\n        this.elem.appendChild(this.message);\n\n        if (this.messageTimer) {\n            clearTimeout(this.messageTimer);\n        }\n        if (timeout > 0) {\n            this.messageTimer = setTimeout(() => {\n                this.elem.removeChild(this.message);\n            }, timeout);\n        }\n    };\n\n    removeMessage(): void {\n        if (this.message.parentNode == this.elem) {\n            this.elem.removeChild(this.message);\n        }\n    }\n\n    setWindowTitle(title: string) {\n        document.title = title;\n    };\n\n    setPreferences(value: object) {\n    };\n\n    onInput(callback: (input: string) => void) {\n        this.term.on(\"data\", (data) => {\n            callback(data);\n        });\n\n    };\n\n    onResize(callback: (colmuns: number, rows: number) => void) {\n        this.term.on(\"resize\", (data) => {\n            callback(data.cols, data.rows);\n        });\n    };\n\n    deactivate(): void {\n        this.term.off(\"data\");\n        this.term.off(\"resize\");\n        this.term.blur();\n    }\n\n    reset(): void {\n        this.removeMessage();\n        this.term.clear();\n    }\n\n    close(): void {\n        window.removeEventListener(\"resize\", this.resizeListener);\n        this.term.destroy();\n    }\n}\n\n\n\n// WEBPACK FOOTER //\n// ./src/xterm.ts","// This file was generated by libdot/bin/concat.sh.\n// It has been marked read-only for your safety.  Rather\n// than edit it directly, please modify one of these source\n// files...\n//\n// libdot/js/lib.js\n// libdot/js/lib_polyfill.js\n// libdot/js/lib_colors.js\n// libdot/js/lib_f.js\n// libdot/js/lib_message_manager.js\n// libdot/js/lib_preference_manager.js\n// libdot/js/lib_resource.js\n// libdot/js/lib_storage.js\n// libdot/js/lib_storage_chrome.js\n// libdot/js/lib_storage_local.js\n// libdot/js/lib_storage_memory.js\n// libdot/js/lib_test_manager.js\n// libdot/js/lib_utf8.js\n// libdot/third_party/wcwidth/lib_wc.js\n// hterm/js/hterm.js\n// hterm/js/hterm_frame.js\n// hterm/js/hterm_keyboard.js\n// hterm/js/hterm_keyboard_bindings.js\n// hterm/js/hterm_keyboard_keymap.js\n// hterm/js/hterm_keyboard_keypattern.js\n// hterm/js/hterm_options.js\n// hterm/js/hterm_parser.js\n// hterm/js/hterm_parser_identifiers.js\n// hterm/js/hterm_preference_manager.js\n// hterm/js/hterm_pubsub.js\n// hterm/js/hterm_screen.js\n// hterm/js/hterm_scrollport.js\n// hterm/js/hterm_terminal.js\n// hterm/js/hterm_terminal_io.js\n// hterm/js/hterm_text_attributes.js\n// hterm/js/hterm_vt.js\n// hterm/js/hterm_vt_character_map.js\n// hterm/js/hterm_export.js\n//\n\n// SOURCE FILE: libdot/js/lib.js\n// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\nif (typeof lib != 'undefined')\n  throw new Error('Global \"lib\" object already exists.');\n\nvar lib = {};\n\n/**\n * Map of \"dependency\" to [\"source\", ...].\n *\n * Each dependency is a object name, like \"lib.fs\", \"source\" is the url that\n * depends on the object.\n */\nlib.runtimeDependencies_ = {};\n\n/**\n * List of functions that need to be invoked during library initialization.\n *\n * Each element in the initCallbacks_ array is itself a two-element array.\n * Element 0 is a short string describing the owner of the init routine, useful\n * for debugging.  Element 1 is the callback function.\n */\nlib.initCallbacks_ = [];\n\n/**\n * Records a runtime dependency.\n *\n * This can be useful when you want to express a run-time dependency at\n * compile time.  It is not intended to be a full-fledged library system or\n * dependency tracker.  It's just there to make it possible to debug the\n * deps without running all the code.\n *\n * Object names are specified as strings.  For example...\n *\n *     lib.rtdep('lib.colors', 'lib.PreferenceManager');\n *\n * Object names need not be rooted by 'lib'.  You may use this to declare a\n * dependency on any object.\n *\n * The client program may call lib.ensureRuntimeDependencies() at startup in\n * order to ensure that all runtime dependencies have been met.\n *\n * @param {string} var_args One or more objects specified as strings.\n */\nlib.rtdep = function(var_args) {\n  var source;\n\n  try {\n    throw new Error();\n  } catch (ex) {\n    var stackArray = ex.stack.split('\\n');\n    // In Safari, the resulting stackArray will only have 2 elements and the\n    // individual strings are formatted differently.\n    if (stackArray.length >= 3) {\n      source = stackArray[2].replace(/^\\s*at\\s+/, '');\n    } else {\n      source = stackArray[1].replace(/^\\s*global code@/, '');\n    }\n  }\n\n  for (var i = 0; i < arguments.length; i++) {\n    var path = arguments[i];\n    if (path instanceof Array) {\n      lib.rtdep.apply(lib, path);\n    } else {\n      var ary = this.runtimeDependencies_[path];\n      if (!ary)\n        ary = this.runtimeDependencies_[path] = [];\n      ary.push(source);\n    }\n  }\n};\n\n/**\n * Ensures that all runtime dependencies are met, or an exception is thrown.\n *\n * Every unmet runtime dependency will be logged to the JS console.  If at\n * least one dependency is unmet this will raise an exception.\n */\nlib.ensureRuntimeDependencies_ = function() {\n  var passed = true;\n\n  for (var path in lib.runtimeDependencies_) {\n    var sourceList = lib.runtimeDependencies_[path];\n    var names = path.split('.');\n\n    // In a document context 'window' is the global object.  In a worker it's\n    // called 'self'.\n    var obj = (window || self);\n    for (var i = 0; i < names.length; i++) {\n      if (!(names[i] in obj)) {\n        console.warn('Missing \"' + path + '\" is needed by', sourceList);\n        passed = false;\n        break;\n      }\n\n      obj = obj[names[i]];\n    }\n  }\n\n  if (!passed)\n    throw new Error('Failed runtime dependency check');\n};\n\n/**\n * Register an initialization function.\n *\n * The initialization functions are invoked in registration order when\n * lib.init() is invoked.  Each function will receive a single parameter, which\n * is a function to be invoked when it completes its part of the initialization.\n *\n * @param {string} name A short descriptive name of the init routine useful for\n *     debugging.\n * @param {function(function)} callback The initialization function to register.\n * @return {function} The callback parameter.\n */\nlib.registerInit = function(name, callback) {\n  lib.initCallbacks_.push([name, callback]);\n  return callback;\n};\n\n/**\n * Initialize the library.\n *\n * This will ensure that all registered runtime dependencies are met, and\n * invoke any registered initialization functions.\n *\n * Initialization is asynchronous.  The library is not ready for use until\n * the onInit function is invoked.\n *\n * @param {function()} onInit The function to invoke when initialization is\n *     complete.\n * @param {function(*)} opt_logFunction An optional function to send\n *     initialization related log messages to.\n */\nlib.init = function(onInit, opt_logFunction) {\n  var ary = lib.initCallbacks_;\n\n  var initNext = function() {\n    if (ary.length) {\n      var rec = ary.shift();\n      if (opt_logFunction)\n        opt_logFunction('init: ' + rec[0]);\n      rec[1](lib.f.alarm(initNext));\n    } else {\n      onInit();\n    }\n  };\n\n  if (typeof onInit != 'function')\n    throw new Error('Missing or invalid argument: onInit');\n\n  lib.ensureRuntimeDependencies_();\n\n  setTimeout(initNext, 0);\n};\n// SOURCE FILE: libdot/js/lib_polyfill.js\n// Copyright 2017 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\n/**\n * @fileoverview Polyfills for ES2016+ features we want to use.\n */\n\n// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/padStart\nif (!String.prototype.padStart) {\n  String.prototype.padStart = function(targetLength, padString) {\n    // If the string is already long enough, nothing to do!\n    targetLength -= this.length;\n    if (targetLength <= 0)\n      return String(this);\n\n    if (padString === undefined)\n      padString = ' ';\n\n    // In case the pad is multiple chars long.\n    if (targetLength > padString.length)\n      padString = padString.repeat((targetLength / padString.length) + 1);\n\n    return padString.slice(0, targetLength) + String(this);\n  };\n}\n\n// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/padEnd\nif (!String.prototype.padEnd) {\n  String.prototype.padEnd = function(targetLength, padString) {\n    // If the string is already long enough, nothing to do!\n    targetLength -= this.length;\n    if (targetLength <= 0)\n      return String(this);\n\n    if (padString === undefined)\n      padString = ' ';\n\n    // In case the pad is multiple chars long.\n    if (targetLength > padString.length)\n      padString = padString.repeat((targetLength / padString.length) + 1);\n\n    return String(this) + padString.slice(0, targetLength);\n  };\n}\n// SOURCE FILE: libdot/js/lib_colors.js\n// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\n/**\n * Namespace for color utilities.\n */\nlib.colors = {};\n\n/**\n * First, some canned regular expressions we're going to use in this file.\n *\n *\n *                              BRACE YOURSELF\n *\n *                                 ,~~~~.\n *                                 |>_< ~~\n *                                3`---'-/.\n *                                3:::::\\v\\\n *                               =o=:::::\\,\\\n *                                | :::::\\,,\\\n *\n *                        THE REGULAR EXPRESSIONS\n *                               ARE COMING.\n *\n * There's no way to break long RE literals in JavaScript.  Fix that why don't\n * you?  Oh, and also there's no way to write a string that doesn't interpret\n * escapes.\n *\n * Instead, we stoop to this .replace() trick.\n */\nlib.colors.re_ = {\n  // CSS hex color, #RGB.\n  hex16: /#([a-f0-9])([a-f0-9])([a-f0-9])/i,\n\n  // CSS hex color, #RRGGBB.\n  hex24: /#([a-f0-9]{2})([a-f0-9]{2})([a-f0-9]{2})/i,\n\n  // CSS rgb color, rgb(rrr,ggg,bbb).\n  rgb: new RegExp(\n      ('^/s*rgb/s*/(/s*(/d{1,3})/s*,/s*(/d{1,3})/s*,' +\n       '/s*(/d{1,3})/s*/)/s*$'\n       ).replace(/\\//g, '\\\\'), 'i'),\n\n  // CSS rgb color, rgb(rrr,ggg,bbb,aaa).\n  rgba: new RegExp(\n      ('^/s*rgba/s*' +\n       '/(/s*(/d{1,3})/s*,/s*(/d{1,3})/s*,/s*(/d{1,3})/s*' +\n       '(?:,/s*(/d+(?:/./d+)?)/s*)/)/s*$'\n       ).replace(/\\//g, '\\\\'), 'i'),\n\n  // Either RGB or RGBA.\n  rgbx: new RegExp(\n      ('^/s*rgba?/s*' +\n       '/(/s*(/d{1,3})/s*,/s*(/d{1,3})/s*,/s*(/d{1,3})/s*' +\n       '(?:,/s*(/d+(?:/./d+)?)/s*)?/)/s*$'\n       ).replace(/\\//g, '\\\\'), 'i'),\n\n  // An X11 \"rgb:dddd/dddd/dddd\" value.\n  x11rgb: /^\\s*rgb:([a-f0-9]{1,4})\\/([a-f0-9]{1,4})\\/([a-f0-9]{1,4})\\s*$/i,\n\n  // English color name.\n  name: /[a-z][a-z0-9\\s]+/,\n};\n\n/**\n * Convert a CSS rgb(ddd,ddd,ddd) color value into an X11 color value.\n *\n * Other CSS color values are ignored to ensure sanitary data handling.\n *\n * Each 'ddd' component is a one byte value specified in decimal.\n *\n * @param {string} value The CSS color value to convert.\n * @return {string} The X11 color value or null if the value could not be\n *     converted.\n */\nlib.colors.rgbToX11 = function(value) {\n  function scale(v) {\n    v = (Math.min(v, 255) * 257).toString(16);\n    return lib.f.zpad(v, 4);\n  }\n\n  var ary = value.match(lib.colors.re_.rgbx);\n  if (!ary)\n    return null;\n\n  return 'rgb:' + scale(ary[1]) + '/' + scale(ary[2]) + '/' + scale(ary[3]);\n};\n\n/**\n * Convert a legacy X11 colover value into an CSS rgb(...) color value.\n *\n * They take the form:\n * 12 bit: #RGB          -> #R000G000B000\n * 24 bit: #RRGGBB       -> #RR00GG00BB00\n * 36 bit: #RRRGGGBBB    -> #RRR0GGG0BBB0\n * 48 bit: #RRRRGGGGBBBB\n * These are the most significant bits.\n *\n * Truncate values back down to 24 bit since that's all CSS supports.\n */\nlib.colors.x11HexToCSS = function(v) {\n  if (!v.startsWith('#'))\n    return null;\n  // Strip the leading # off.\n  v = v.substr(1);\n\n  // Reject unknown sizes.\n  if ([3, 6, 9, 12].indexOf(v.length) == -1)\n    return null;\n\n  // Reject non-hex values.\n  if (v.match(/[^a-f0-9]/i))\n    return null;\n\n  // Split the colors out.\n  var size = v.length / 3;\n  var r = v.substr(0, size);\n  var g = v.substr(size, size);\n  var b = v.substr(size + size, size);\n\n  // Normalize to 16 bits.\n  function norm16(v) {\n    v = parseInt(v, 16);\n    return size == 2 ? v :         // 16 bit\n           size == 1 ? v << 4 :    // 8 bit\n           v >> (4 * (size - 2));  // 24 or 32 bit\n  }\n  return lib.colors.arrayToRGBA([r, g, b].map(norm16));\n};\n\n/**\n * Convert an X11 color value into an CSS rgb(...) color value.\n *\n * The X11 value may be an X11 color name, or an RGB value of the form\n * rgb:hhhh/hhhh/hhhh.  If a component value is less than 4 digits it is\n * padded out to 4, then scaled down to fit in a single byte.\n *\n * @param {string} value The X11 color value to convert.\n * @return {string} The CSS color value or null if the value could not be\n *     converted.\n */\nlib.colors.x11ToCSS = function(v) {\n  function scale(v) {\n    // Pad out values with less than four digits.  This padding (probably)\n    // matches xterm.  It's difficult to say for sure since xterm seems to\n    // arrive at a padded value and then perform some combination of\n    // gamma correction, color space transformation, and quantization.\n\n    if (v.length == 1) {\n      // Single digits pad out to four by repeating the character.  \"f\" becomes\n      // \"ffff\".  Scaling down a hex value of this pattern by 257 is the same\n      // as cutting off one byte.  We skip the middle step and just double\n      // the character.\n      return parseInt(v + v, 16);\n    }\n\n    if (v.length == 2) {\n      // Similar deal here.  X11 pads two digit values by repeating the\n      // byte (or scale up by 257).  Since we're going to scale it back\n      // down anyway, we can just return the original value.\n      return parseInt(v, 16);\n    }\n\n    if (v.length == 3) {\n      // Three digit values seem to be padded by repeating the final digit.\n      // e.g. 10f becomes 10ff.\n      v = v + v.substr(2);\n    }\n\n    // Scale down the 2 byte value.\n    return Math.round(parseInt(v, 16) / 257);\n  }\n\n  var ary = v.match(lib.colors.re_.x11rgb);\n  if (!ary) {\n    // Handle the legacy format.\n    if (v.startsWith('#'))\n      return lib.colors.x11HexToCSS(v);\n    else\n      return lib.colors.nameToRGB(v);\n  }\n\n  ary.splice(0, 1);\n  return lib.colors.arrayToRGBA(ary.map(scale));\n};\n\n/**\n * Converts one or more CSS '#RRGGBB' color values into their rgb(...)\n * form.\n *\n * Arrays are converted in place. If a value cannot be converted, it is\n * replaced with null.\n *\n * @param {string|Array.<string>} A single RGB value or array of RGB values to\n *     convert.\n * @return {string|Array.<string>} The converted value or values.\n */\nlib.colors.hexToRGB = function(arg) {\n  var hex16 = lib.colors.re_.hex16;\n  var hex24 = lib.colors.re_.hex24;\n\n  function convert(hex) {\n    if (hex.length == 4) {\n      hex = hex.replace(hex16, function(h, r, g, b) {\n        return \"#\" + r + r + g + g + b + b;\n      });\n    }\n    var ary = hex.match(hex24);\n    if (!ary)\n      return null;\n\n    return 'rgb(' + parseInt(ary[1], 16) + ', ' +\n        parseInt(ary[2], 16) + ', ' +\n        parseInt(ary[3], 16) + ')';\n  }\n\n  if (arg instanceof Array) {\n    for (var i = 0; i < arg.length; i++) {\n      arg[i] = convert(arg[i]);\n    }\n  } else {\n    arg = convert(arg);\n  }\n\n  return arg;\n};\n\n/**\n * Converts one or more CSS rgb(...) forms into their '#RRGGBB' color values.\n *\n * If given an rgba(...) form, the alpha field is thrown away.\n *\n * Arrays are converted in place. If a value cannot be converted, it is\n * replaced with null.\n *\n * @param {string|Array.<string>} A single rgb(...) value or array of rgb(...)\n *     values to convert.\n * @return {string|Array.<string>} The converted value or values.\n */\nlib.colors.rgbToHex = function(arg) {\n  function convert(rgb) {\n    var ary = lib.colors.crackRGB(rgb);\n    if (!ary)\n      return null;\n    return '#' + lib.f.zpad(((parseInt(ary[0]) << 16) |\n                             (parseInt(ary[1]) <<  8) |\n                             (parseInt(ary[2]) <<  0)).toString(16), 6);\n  }\n\n  if (arg instanceof Array) {\n    for (var i = 0; i < arg.length; i++) {\n      arg[i] = convert(arg[i]);\n    }\n  } else {\n    arg = convert(arg);\n  }\n\n  return arg;\n};\n\n/**\n * Take any valid css color definition and turn it into an rgb or rgba value.\n *\n * Returns null if the value could not be normalized.\n */\nlib.colors.normalizeCSS = function(def) {\n  if (def.startsWith('#'))\n    return lib.colors.hexToRGB(def);\n\n  if (lib.colors.re_.rgbx.test(def))\n    return def;\n\n  return lib.colors.nameToRGB(def);\n};\n\n/**\n * Convert a 3 or 4 element array into an rgba(...) string.\n */\nlib.colors.arrayToRGBA = function(ary) {\n  var alpha = (ary.length > 3) ? ary[3] : 1;\n  return 'rgba(' + ary[0] + ', ' + ary[1] + ', ' + ary[2] + ', ' + alpha + ')';\n};\n\n/**\n * Overwrite the alpha channel of an rgb/rgba color.\n */\nlib.colors.setAlpha = function(rgb, alpha) {\n  var ary = lib.colors.crackRGB(rgb);\n  ary[3] = alpha;\n  return lib.colors.arrayToRGBA(ary);\n};\n\n/**\n * Mix a percentage of a tint color into a base color.\n */\nlib.colors.mix = function(base, tint, percent) {\n  var ary1 = lib.colors.crackRGB(base);\n  var ary2 = lib.colors.crackRGB(tint);\n\n  for (var i = 0; i < 4; ++i) {\n    var diff = ary2[i] - ary1[i];\n    ary1[i] = Math.round(parseInt(ary1[i]) + diff * percent);\n  }\n\n  return lib.colors.arrayToRGBA(ary1);\n};\n\n/**\n * Split an rgb/rgba color into an array of its components.\n *\n * On success, a 4 element array will be returned.  For rgb values, the alpha\n * will be set to 1.\n */\nlib.colors.crackRGB = function(color) {\n  if (color.startsWith('rgba')) {\n    var ary = color.match(lib.colors.re_.rgba);\n    if (ary) {\n      ary.shift();\n      return ary;\n    }\n  } else {\n    var ary = color.match(lib.colors.re_.rgb);\n    if (ary) {\n      ary.shift();\n      ary.push(1);\n      return ary;\n    }\n  }\n\n  console.error('Couldn\\'t crack: ' + color);\n  return null;\n};\n\n/**\n * Convert an X11 color name into a CSS rgb(...) value.\n *\n * Names are stripped of spaces and converted to lowercase.  If the name is\n * unknown, null is returned.\n *\n * This list of color name to RGB mapping is derived from the stock X11\n * rgb.txt file.\n *\n * @param {string} name The color name to convert.\n * @return {string} The corresponding CSS rgb(...) value.\n */\nlib.colors.nameToRGB = function(name) {\n  if (name in lib.colors.colorNames)\n    return lib.colors.colorNames[name];\n\n  name = name.toLowerCase();\n  if (name in lib.colors.colorNames)\n    return lib.colors.colorNames[name];\n\n  name = name.replace(/\\s+/g, '');\n  if (name in lib.colors.colorNames)\n    return lib.colors.colorNames[name];\n\n  return null;\n};\n\n/**\n * The stock color palette.\n */\nlib.colors.stockColorPalette = lib.colors.hexToRGB\n  ([// The \"ANSI 16\"...\n    '#000000', '#CC0000', '#4E9A06', '#C4A000',\n    '#3465A4', '#75507B', '#06989A', '#D3D7CF',\n    '#555753', '#EF2929', '#00BA13', '#FCE94F',\n    '#729FCF', '#F200CB', '#00B5BD', '#EEEEEC',\n\n    // The 6x6 color cubes...\n    '#000000', '#00005F', '#000087', '#0000AF', '#0000D7', '#0000FF',\n    '#005F00', '#005F5F', '#005F87', '#005FAF', '#005FD7', '#005FFF',\n    '#008700', '#00875F', '#008787', '#0087AF', '#0087D7', '#0087FF',\n    '#00AF00', '#00AF5F', '#00AF87', '#00AFAF', '#00AFD7', '#00AFFF',\n    '#00D700', '#00D75F', '#00D787', '#00D7AF', '#00D7D7', '#00D7FF',\n    '#00FF00', '#00FF5F', '#00FF87', '#00FFAF', '#00FFD7', '#00FFFF',\n\n    '#5F0000', '#5F005F', '#5F0087', '#5F00AF', '#5F00D7', '#5F00FF',\n    '#5F5F00', '#5F5F5F', '#5F5F87', '#5F5FAF', '#5F5FD7', '#5F5FFF',\n    '#5F8700', '#5F875F', '#5F8787', '#5F87AF', '#5F87D7', '#5F87FF',\n    '#5FAF00', '#5FAF5F', '#5FAF87', '#5FAFAF', '#5FAFD7', '#5FAFFF',\n    '#5FD700', '#5FD75F', '#5FD787', '#5FD7AF', '#5FD7D7', '#5FD7FF',\n    '#5FFF00', '#5FFF5F', '#5FFF87', '#5FFFAF', '#5FFFD7', '#5FFFFF',\n\n    '#870000', '#87005F', '#870087', '#8700AF', '#8700D7', '#8700FF',\n    '#875F00', '#875F5F', '#875F87', '#875FAF', '#875FD7', '#875FFF',\n    '#878700', '#87875F', '#878787', '#8787AF', '#8787D7', '#8787FF',\n    '#87AF00', '#87AF5F', '#87AF87', '#87AFAF', '#87AFD7', '#87AFFF',\n    '#87D700', '#87D75F', '#87D787', '#87D7AF', '#87D7D7', '#87D7FF',\n    '#87FF00', '#87FF5F', '#87FF87', '#87FFAF', '#87FFD7', '#87FFFF',\n\n    '#AF0000', '#AF005F', '#AF0087', '#AF00AF', '#AF00D7', '#AF00FF',\n    '#AF5F00', '#AF5F5F', '#AF5F87', '#AF5FAF', '#AF5FD7', '#AF5FFF',\n    '#AF8700', '#AF875F', '#AF8787', '#AF87AF', '#AF87D7', '#AF87FF',\n    '#AFAF00', '#AFAF5F', '#AFAF87', '#AFAFAF', '#AFAFD7', '#AFAFFF',\n    '#AFD700', '#AFD75F', '#AFD787', '#AFD7AF', '#AFD7D7', '#AFD7FF',\n    '#AFFF00', '#AFFF5F', '#AFFF87', '#AFFFAF', '#AFFFD7', '#AFFFFF',\n\n    '#D70000', '#D7005F', '#D70087', '#D700AF', '#D700D7', '#D700FF',\n    '#D75F00', '#D75F5F', '#D75F87', '#D75FAF', '#D75FD7', '#D75FFF',\n    '#D78700', '#D7875F', '#D78787', '#D787AF', '#D787D7', '#D787FF',\n    '#D7AF00', '#D7AF5F', '#D7AF87', '#D7AFAF', '#D7AFD7', '#D7AFFF',\n    '#D7D700', '#D7D75F', '#D7D787', '#D7D7AF', '#D7D7D7', '#D7D7FF',\n    '#D7FF00', '#D7FF5F', '#D7FF87', '#D7FFAF', '#D7FFD7', '#D7FFFF',\n\n    '#FF0000', '#FF005F', '#FF0087', '#FF00AF', '#FF00D7', '#FF00FF',\n    '#FF5F00', '#FF5F5F', '#FF5F87', '#FF5FAF', '#FF5FD7', '#FF5FFF',\n    '#FF8700', '#FF875F', '#FF8787', '#FF87AF', '#FF87D7', '#FF87FF',\n    '#FFAF00', '#FFAF5F', '#FFAF87', '#FFAFAF', '#FFAFD7', '#FFAFFF',\n    '#FFD700', '#FFD75F', '#FFD787', '#FFD7AF', '#FFD7D7', '#FFD7FF',\n    '#FFFF00', '#FFFF5F', '#FFFF87', '#FFFFAF', '#FFFFD7', '#FFFFFF',\n\n    // The greyscale ramp...\n    '#080808', '#121212', '#1C1C1C', '#262626', '#303030', '#3A3A3A',\n    '#444444', '#4E4E4E', '#585858', '#626262', '#6C6C6C', '#767676',\n    '#808080', '#8A8A8A', '#949494', '#9E9E9E', '#A8A8A8', '#B2B2B2',\n    '#BCBCBC', '#C6C6C6', '#D0D0D0', '#DADADA', '#E4E4E4', '#EEEEEE'\n   ]);\n\n/**\n * The current color palette, possibly with user changes.\n */\nlib.colors.colorPalette = lib.colors.stockColorPalette;\n\n/**\n * Named colors according to the stock X11 rgb.txt file.\n */\nlib.colors.colorNames = {\n  \"aliceblue\": \"rgb(240, 248, 255)\",\n  \"antiquewhite\": \"rgb(250, 235, 215)\",\n  \"antiquewhite1\": \"rgb(255, 239, 219)\",\n  \"antiquewhite2\": \"rgb(238, 223, 204)\",\n  \"antiquewhite3\": \"rgb(205, 192, 176)\",\n  \"antiquewhite4\": \"rgb(139, 131, 120)\",\n  \"aquamarine\": \"rgb(127, 255, 212)\",\n  \"aquamarine1\": \"rgb(127, 255, 212)\",\n  \"aquamarine2\": \"rgb(118, 238, 198)\",\n  \"aquamarine3\": \"rgb(102, 205, 170)\",\n  \"aquamarine4\": \"rgb(69, 139, 116)\",\n  \"azure\": \"rgb(240, 255, 255)\",\n  \"azure1\": \"rgb(240, 255, 255)\",\n  \"azure2\": \"rgb(224, 238, 238)\",\n  \"azure3\": \"rgb(193, 205, 205)\",\n  \"azure4\": \"rgb(131, 139, 139)\",\n  \"beige\": \"rgb(245, 245, 220)\",\n  \"bisque\": \"rgb(255, 228, 196)\",\n  \"bisque1\": \"rgb(255, 228, 196)\",\n  \"bisque2\": \"rgb(238, 213, 183)\",\n  \"bisque3\": \"rgb(205, 183, 158)\",\n  \"bisque4\": \"rgb(139, 125, 107)\",\n  \"black\": \"rgb(0, 0, 0)\",\n  \"blanchedalmond\": \"rgb(255, 235, 205)\",\n  \"blue\": \"rgb(0, 0, 255)\",\n  \"blue1\": \"rgb(0, 0, 255)\",\n  \"blue2\": \"rgb(0, 0, 238)\",\n  \"blue3\": \"rgb(0, 0, 205)\",\n  \"blue4\": \"rgb(0, 0, 139)\",\n  \"blueviolet\": \"rgb(138, 43, 226)\",\n  \"brown\": \"rgb(165, 42, 42)\",\n  \"brown1\": \"rgb(255, 64, 64)\",\n  \"brown2\": \"rgb(238, 59, 59)\",\n  \"brown3\": \"rgb(205, 51, 51)\",\n  \"brown4\": \"rgb(139, 35, 35)\",\n  \"burlywood\": \"rgb(222, 184, 135)\",\n  \"burlywood1\": \"rgb(255, 211, 155)\",\n  \"burlywood2\": \"rgb(238, 197, 145)\",\n  \"burlywood3\": \"rgb(205, 170, 125)\",\n  \"burlywood4\": \"rgb(139, 115, 85)\",\n  \"cadetblue\": \"rgb(95, 158, 160)\",\n  \"cadetblue1\": \"rgb(152, 245, 255)\",\n  \"cadetblue2\": \"rgb(142, 229, 238)\",\n  \"cadetblue3\": \"rgb(122, 197, 205)\",\n  \"cadetblue4\": \"rgb(83, 134, 139)\",\n  \"chartreuse\": \"rgb(127, 255, 0)\",\n  \"chartreuse1\": \"rgb(127, 255, 0)\",\n  \"chartreuse2\": \"rgb(118, 238, 0)\",\n  \"chartreuse3\": \"rgb(102, 205, 0)\",\n  \"chartreuse4\": \"rgb(69, 139, 0)\",\n  \"chocolate\": \"rgb(210, 105, 30)\",\n  \"chocolate1\": \"rgb(255, 127, 36)\",\n  \"chocolate2\": \"rgb(238, 118, 33)\",\n  \"chocolate3\": \"rgb(205, 102, 29)\",\n  \"chocolate4\": \"rgb(139, 69, 19)\",\n  \"coral\": \"rgb(255, 127, 80)\",\n  \"coral1\": \"rgb(255, 114, 86)\",\n  \"coral2\": \"rgb(238, 106, 80)\",\n  \"coral3\": \"rgb(205, 91, 69)\",\n  \"coral4\": \"rgb(139, 62, 47)\",\n  \"cornflowerblue\": \"rgb(100, 149, 237)\",\n  \"cornsilk\": \"rgb(255, 248, 220)\",\n  \"cornsilk1\": \"rgb(255, 248, 220)\",\n  \"cornsilk2\": \"rgb(238, 232, 205)\",\n  \"cornsilk3\": \"rgb(205, 200, 177)\",\n  \"cornsilk4\": \"rgb(139, 136, 120)\",\n  \"cyan\": \"rgb(0, 255, 255)\",\n  \"cyan1\": \"rgb(0, 255, 255)\",\n  \"cyan2\": \"rgb(0, 238, 238)\",\n  \"cyan3\": \"rgb(0, 205, 205)\",\n  \"cyan4\": \"rgb(0, 139, 139)\",\n  \"darkblue\": \"rgb(0, 0, 139)\",\n  \"darkcyan\": \"rgb(0, 139, 139)\",\n  \"darkgoldenrod\": \"rgb(184, 134, 11)\",\n  \"darkgoldenrod1\": \"rgb(255, 185, 15)\",\n  \"darkgoldenrod2\": \"rgb(238, 173, 14)\",\n  \"darkgoldenrod3\": \"rgb(205, 149, 12)\",\n  \"darkgoldenrod4\": \"rgb(139, 101, 8)\",\n  \"darkgray\": \"rgb(169, 169, 169)\",\n  \"darkgreen\": \"rgb(0, 100, 0)\",\n  \"darkgrey\": \"rgb(169, 169, 169)\",\n  \"darkkhaki\": \"rgb(189, 183, 107)\",\n  \"darkmagenta\": \"rgb(139, 0, 139)\",\n  \"darkolivegreen\": \"rgb(85, 107, 47)\",\n  \"darkolivegreen1\": \"rgb(202, 255, 112)\",\n  \"darkolivegreen2\": \"rgb(188, 238, 104)\",\n  \"darkolivegreen3\": \"rgb(162, 205, 90)\",\n  \"darkolivegreen4\": \"rgb(110, 139, 61)\",\n  \"darkorange\": \"rgb(255, 140, 0)\",\n  \"darkorange1\": \"rgb(255, 127, 0)\",\n  \"darkorange2\": \"rgb(238, 118, 0)\",\n  \"darkorange3\": \"rgb(205, 102, 0)\",\n  \"darkorange4\": \"rgb(139, 69, 0)\",\n  \"darkorchid\": \"rgb(153, 50, 204)\",\n  \"darkorchid1\": \"rgb(191, 62, 255)\",\n  \"darkorchid2\": \"rgb(178, 58, 238)\",\n  \"darkorchid3\": \"rgb(154, 50, 205)\",\n  \"darkorchid4\": \"rgb(104, 34, 139)\",\n  \"darkred\": \"rgb(139, 0, 0)\",\n  \"darksalmon\": \"rgb(233, 150, 122)\",\n  \"darkseagreen\": \"rgb(143, 188, 143)\",\n  \"darkseagreen1\": \"rgb(193, 255, 193)\",\n  \"darkseagreen2\": \"rgb(180, 238, 180)\",\n  \"darkseagreen3\": \"rgb(155, 205, 155)\",\n  \"darkseagreen4\": \"rgb(105, 139, 105)\",\n  \"darkslateblue\": \"rgb(72, 61, 139)\",\n  \"darkslategray\": \"rgb(47, 79, 79)\",\n  \"darkslategray1\": \"rgb(151, 255, 255)\",\n  \"darkslategray2\": \"rgb(141, 238, 238)\",\n  \"darkslategray3\": \"rgb(121, 205, 205)\",\n  \"darkslategray4\": \"rgb(82, 139, 139)\",\n  \"darkslategrey\": \"rgb(47, 79, 79)\",\n  \"darkturquoise\": \"rgb(0, 206, 209)\",\n  \"darkviolet\": \"rgb(148, 0, 211)\",\n  \"debianred\": \"rgb(215, 7, 81)\",\n  \"deeppink\": \"rgb(255, 20, 147)\",\n  \"deeppink1\": \"rgb(255, 20, 147)\",\n  \"deeppink2\": \"rgb(238, 18, 137)\",\n  \"deeppink3\": \"rgb(205, 16, 118)\",\n  \"deeppink4\": \"rgb(139, 10, 80)\",\n  \"deepskyblue\": \"rgb(0, 191, 255)\",\n  \"deepskyblue1\": \"rgb(0, 191, 255)\",\n  \"deepskyblue2\": \"rgb(0, 178, 238)\",\n  \"deepskyblue3\": \"rgb(0, 154, 205)\",\n  \"deepskyblue4\": \"rgb(0, 104, 139)\",\n  \"dimgray\": \"rgb(105, 105, 105)\",\n  \"dimgrey\": \"rgb(105, 105, 105)\",\n  \"dodgerblue\": \"rgb(30, 144, 255)\",\n  \"dodgerblue1\": \"rgb(30, 144, 255)\",\n  \"dodgerblue2\": \"rgb(28, 134, 238)\",\n  \"dodgerblue3\": \"rgb(24, 116, 205)\",\n  \"dodgerblue4\": \"rgb(16, 78, 139)\",\n  \"firebrick\": \"rgb(178, 34, 34)\",\n  \"firebrick1\": \"rgb(255, 48, 48)\",\n  \"firebrick2\": \"rgb(238, 44, 44)\",\n  \"firebrick3\": \"rgb(205, 38, 38)\",\n  \"firebrick4\": \"rgb(139, 26, 26)\",\n  \"floralwhite\": \"rgb(255, 250, 240)\",\n  \"forestgreen\": \"rgb(34, 139, 34)\",\n  \"gainsboro\": \"rgb(220, 220, 220)\",\n  \"ghostwhite\": \"rgb(248, 248, 255)\",\n  \"gold\": \"rgb(255, 215, 0)\",\n  \"gold1\": \"rgb(255, 215, 0)\",\n  \"gold2\": \"rgb(238, 201, 0)\",\n  \"gold3\": \"rgb(205, 173, 0)\",\n  \"gold4\": \"rgb(139, 117, 0)\",\n  \"goldenrod\": \"rgb(218, 165, 32)\",\n  \"goldenrod1\": \"rgb(255, 193, 37)\",\n  \"goldenrod2\": \"rgb(238, 180, 34)\",\n  \"goldenrod3\": \"rgb(205, 155, 29)\",\n  \"goldenrod4\": \"rgb(139, 105, 20)\",\n  \"gray\": \"rgb(190, 190, 190)\",\n  \"gray0\": \"rgb(0, 0, 0)\",\n  \"gray1\": \"rgb(3, 3, 3)\",\n  \"gray10\": \"rgb(26, 26, 26)\",\n  \"gray100\": \"rgb(255, 255, 255)\",\n  \"gray11\": \"rgb(28, 28, 28)\",\n  \"gray12\": \"rgb(31, 31, 31)\",\n  \"gray13\": \"rgb(33, 33, 33)\",\n  \"gray14\": \"rgb(36, 36, 36)\",\n  \"gray15\": \"rgb(38, 38, 38)\",\n  \"gray16\": \"rgb(41, 41, 41)\",\n  \"gray17\": \"rgb(43, 43, 43)\",\n  \"gray18\": \"rgb(46, 46, 46)\",\n  \"gray19\": \"rgb(48, 48, 48)\",\n  \"gray2\": \"rgb(5, 5, 5)\",\n  \"gray20\": \"rgb(51, 51, 51)\",\n  \"gray21\": \"rgb(54, 54, 54)\",\n  \"gray22\": \"rgb(56, 56, 56)\",\n  \"gray23\": \"rgb(59, 59, 59)\",\n  \"gray24\": \"rgb(61, 61, 61)\",\n  \"gray25\": \"rgb(64, 64, 64)\",\n  \"gray26\": \"rgb(66, 66, 66)\",\n  \"gray27\": \"rgb(69, 69, 69)\",\n  \"gray28\": \"rgb(71, 71, 71)\",\n  \"gray29\": \"rgb(74, 74, 74)\",\n  \"gray3\": \"rgb(8, 8, 8)\",\n  \"gray30\": \"rgb(77, 77, 77)\",\n  \"gray31\": \"rgb(79, 79, 79)\",\n  \"gray32\": \"rgb(82, 82, 82)\",\n  \"gray33\": \"rgb(84, 84, 84)\",\n  \"gray34\": \"rgb(87, 87, 87)\",\n  \"gray35\": \"rgb(89, 89, 89)\",\n  \"gray36\": \"rgb(92, 92, 92)\",\n  \"gray37\": \"rgb(94, 94, 94)\",\n  \"gray38\": \"rgb(97, 97, 97)\",\n  \"gray39\": \"rgb(99, 99, 99)\",\n  \"gray4\": \"rgb(10, 10, 10)\",\n  \"gray40\": \"rgb(102, 102, 102)\",\n  \"gray41\": \"rgb(105, 105, 105)\",\n  \"gray42\": \"rgb(107, 107, 107)\",\n  \"gray43\": \"rgb(110, 110, 110)\",\n  \"gray44\": \"rgb(112, 112, 112)\",\n  \"gray45\": \"rgb(115, 115, 115)\",\n  \"gray46\": \"rgb(117, 117, 117)\",\n  \"gray47\": \"rgb(120, 120, 120)\",\n  \"gray48\": \"rgb(122, 122, 122)\",\n  \"gray49\": \"rgb(125, 125, 125)\",\n  \"gray5\": \"rgb(13, 13, 13)\",\n  \"gray50\": \"rgb(127, 127, 127)\",\n  \"gray51\": \"rgb(130, 130, 130)\",\n  \"gray52\": \"rgb(133, 133, 133)\",\n  \"gray53\": \"rgb(135, 135, 135)\",\n  \"gray54\": \"rgb(138, 138, 138)\",\n  \"gray55\": \"rgb(140, 140, 140)\",\n  \"gray56\": \"rgb(143, 143, 143)\",\n  \"gray57\": \"rgb(145, 145, 145)\",\n  \"gray58\": \"rgb(148, 148, 148)\",\n  \"gray59\": \"rgb(150, 150, 150)\",\n  \"gray6\": \"rgb(15, 15, 15)\",\n  \"gray60\": \"rgb(153, 153, 153)\",\n  \"gray61\": \"rgb(156, 156, 156)\",\n  \"gray62\": \"rgb(158, 158, 158)\",\n  \"gray63\": \"rgb(161, 161, 161)\",\n  \"gray64\": \"rgb(163, 163, 163)\",\n  \"gray65\": \"rgb(166, 166, 166)\",\n  \"gray66\": \"rgb(168, 168, 168)\",\n  \"gray67\": \"rgb(171, 171, 171)\",\n  \"gray68\": \"rgb(173, 173, 173)\",\n  \"gray69\": \"rgb(176, 176, 176)\",\n  \"gray7\": \"rgb(18, 18, 18)\",\n  \"gray70\": \"rgb(179, 179, 179)\",\n  \"gray71\": \"rgb(181, 181, 181)\",\n  \"gray72\": \"rgb(184, 184, 184)\",\n  \"gray73\": \"rgb(186, 186, 186)\",\n  \"gray74\": \"rgb(189, 189, 189)\",\n  \"gray75\": \"rgb(191, 191, 191)\",\n  \"gray76\": \"rgb(194, 194, 194)\",\n  \"gray77\": \"rgb(196, 196, 196)\",\n  \"gray78\": \"rgb(199, 199, 199)\",\n  \"gray79\": \"rgb(201, 201, 201)\",\n  \"gray8\": \"rgb(20, 20, 20)\",\n  \"gray80\": \"rgb(204, 204, 204)\",\n  \"gray81\": \"rgb(207, 207, 207)\",\n  \"gray82\": \"rgb(209, 209, 209)\",\n  \"gray83\": \"rgb(212, 212, 212)\",\n  \"gray84\": \"rgb(214, 214, 214)\",\n  \"gray85\": \"rgb(217, 217, 217)\",\n  \"gray86\": \"rgb(219, 219, 219)\",\n  \"gray87\": \"rgb(222, 222, 222)\",\n  \"gray88\": \"rgb(224, 224, 224)\",\n  \"gray89\": \"rgb(227, 227, 227)\",\n  \"gray9\": \"rgb(23, 23, 23)\",\n  \"gray90\": \"rgb(229, 229, 229)\",\n  \"gray91\": \"rgb(232, 232, 232)\",\n  \"gray92\": \"rgb(235, 235, 235)\",\n  \"gray93\": \"rgb(237, 237, 237)\",\n  \"gray94\": \"rgb(240, 240, 240)\",\n  \"gray95\": \"rgb(242, 242, 242)\",\n  \"gray96\": \"rgb(245, 245, 245)\",\n  \"gray97\": \"rgb(247, 247, 247)\",\n  \"gray98\": \"rgb(250, 250, 250)\",\n  \"gray99\": \"rgb(252, 252, 252)\",\n  \"green\": \"rgb(0, 255, 0)\",\n  \"green1\": \"rgb(0, 255, 0)\",\n  \"green2\": \"rgb(0, 238, 0)\",\n  \"green3\": \"rgb(0, 205, 0)\",\n  \"green4\": \"rgb(0, 139, 0)\",\n  \"greenyellow\": \"rgb(173, 255, 47)\",\n  \"grey\": \"rgb(190, 190, 190)\",\n  \"grey0\": \"rgb(0, 0, 0)\",\n  \"grey1\": \"rgb(3, 3, 3)\",\n  \"grey10\": \"rgb(26, 26, 26)\",\n  \"grey100\": \"rgb(255, 255, 255)\",\n  \"grey11\": \"rgb(28, 28, 28)\",\n  \"grey12\": \"rgb(31, 31, 31)\",\n  \"grey13\": \"rgb(33, 33, 33)\",\n  \"grey14\": \"rgb(36, 36, 36)\",\n  \"grey15\": \"rgb(38, 38, 38)\",\n  \"grey16\": \"rgb(41, 41, 41)\",\n  \"grey17\": \"rgb(43, 43, 43)\",\n  \"grey18\": \"rgb(46, 46, 46)\",\n  \"grey19\": \"rgb(48, 48, 48)\",\n  \"grey2\": \"rgb(5, 5, 5)\",\n  \"grey20\": \"rgb(51, 51, 51)\",\n  \"grey21\": \"rgb(54, 54, 54)\",\n  \"grey22\": \"rgb(56, 56, 56)\",\n  \"grey23\": \"rgb(59, 59, 59)\",\n  \"grey24\": \"rgb(61, 61, 61)\",\n  \"grey25\": \"rgb(64, 64, 64)\",\n  \"grey26\": \"rgb(66, 66, 66)\",\n  \"grey27\": \"rgb(69, 69, 69)\",\n  \"grey28\": \"rgb(71, 71, 71)\",\n  \"grey29\": \"rgb(74, 74, 74)\",\n  \"grey3\": \"rgb(8, 8, 8)\",\n  \"grey30\": \"rgb(77, 77, 77)\",\n  \"grey31\": \"rgb(79, 79, 79)\",\n  \"grey32\": \"rgb(82, 82, 82)\",\n  \"grey33\": \"rgb(84, 84, 84)\",\n  \"grey34\": \"rgb(87, 87, 87)\",\n  \"grey35\": \"rgb(89, 89, 89)\",\n  \"grey36\": \"rgb(92, 92, 92)\",\n  \"grey37\": \"rgb(94, 94, 94)\",\n  \"grey38\": \"rgb(97, 97, 97)\",\n  \"grey39\": \"rgb(99, 99, 99)\",\n  \"grey4\": \"rgb(10, 10, 10)\",\n  \"grey40\": \"rgb(102, 102, 102)\",\n  \"grey41\": \"rgb(105, 105, 105)\",\n  \"grey42\": \"rgb(107, 107, 107)\",\n  \"grey43\": \"rgb(110, 110, 110)\",\n  \"grey44\": \"rgb(112, 112, 112)\",\n  \"grey45\": \"rgb(115, 115, 115)\",\n  \"grey46\": \"rgb(117, 117, 117)\",\n  \"grey47\": \"rgb(120, 120, 120)\",\n  \"grey48\": \"rgb(122, 122, 122)\",\n  \"grey49\": \"rgb(125, 125, 125)\",\n  \"grey5\": \"rgb(13, 13, 13)\",\n  \"grey50\": \"rgb(127, 127, 127)\",\n  \"grey51\": \"rgb(130, 130, 130)\",\n  \"grey52\": \"rgb(133, 133, 133)\",\n  \"grey53\": \"rgb(135, 135, 135)\",\n  \"grey54\": \"rgb(138, 138, 138)\",\n  \"grey55\": \"rgb(140, 140, 140)\",\n  \"grey56\": \"rgb(143, 143, 143)\",\n  \"grey57\": \"rgb(145, 145, 145)\",\n  \"grey58\": \"rgb(148, 148, 148)\",\n  \"grey59\": \"rgb(150, 150, 150)\",\n  \"grey6\": \"rgb(15, 15, 15)\",\n  \"grey60\": \"rgb(153, 153, 153)\",\n  \"grey61\": \"rgb(156, 156, 156)\",\n  \"grey62\": \"rgb(158, 158, 158)\",\n  \"grey63\": \"rgb(161, 161, 161)\",\n  \"grey64\": \"rgb(163, 163, 163)\",\n  \"grey65\": \"rgb(166, 166, 166)\",\n  \"grey66\": \"rgb(168, 168, 168)\",\n  \"grey67\": \"rgb(171, 171, 171)\",\n  \"grey68\": \"rgb(173, 173, 173)\",\n  \"grey69\": \"rgb(176, 176, 176)\",\n  \"grey7\": \"rgb(18, 18, 18)\",\n  \"grey70\": \"rgb(179, 179, 179)\",\n  \"grey71\": \"rgb(181, 181, 181)\",\n  \"grey72\": \"rgb(184, 184, 184)\",\n  \"grey73\": \"rgb(186, 186, 186)\",\n  \"grey74\": \"rgb(189, 189, 189)\",\n  \"grey75\": \"rgb(191, 191, 191)\",\n  \"grey76\": \"rgb(194, 194, 194)\",\n  \"grey77\": \"rgb(196, 196, 196)\",\n  \"grey78\": \"rgb(199, 199, 199)\",\n  \"grey79\": \"rgb(201, 201, 201)\",\n  \"grey8\": \"rgb(20, 20, 20)\",\n  \"grey80\": \"rgb(204, 204, 204)\",\n  \"grey81\": \"rgb(207, 207, 207)\",\n  \"grey82\": \"rgb(209, 209, 209)\",\n  \"grey83\": \"rgb(212, 212, 212)\",\n  \"grey84\": \"rgb(214, 214, 214)\",\n  \"grey85\": \"rgb(217, 217, 217)\",\n  \"grey86\": \"rgb(219, 219, 219)\",\n  \"grey87\": \"rgb(222, 222, 222)\",\n  \"grey88\": \"rgb(224, 224, 224)\",\n  \"grey89\": \"rgb(227, 227, 227)\",\n  \"grey9\": \"rgb(23, 23, 23)\",\n  \"grey90\": \"rgb(229, 229, 229)\",\n  \"grey91\": \"rgb(232, 232, 232)\",\n  \"grey92\": \"rgb(235, 235, 235)\",\n  \"grey93\": \"rgb(237, 237, 237)\",\n  \"grey94\": \"rgb(240, 240, 240)\",\n  \"grey95\": \"rgb(242, 242, 242)\",\n  \"grey96\": \"rgb(245, 245, 245)\",\n  \"grey97\": \"rgb(247, 247, 247)\",\n  \"grey98\": \"rgb(250, 250, 250)\",\n  \"grey99\": \"rgb(252, 252, 252)\",\n  \"honeydew\": \"rgb(240, 255, 240)\",\n  \"honeydew1\": \"rgb(240, 255, 240)\",\n  \"honeydew2\": \"rgb(224, 238, 224)\",\n  \"honeydew3\": \"rgb(193, 205, 193)\",\n  \"honeydew4\": \"rgb(131, 139, 131)\",\n  \"hotpink\": \"rgb(255, 105, 180)\",\n  \"hotpink1\": \"rgb(255, 110, 180)\",\n  \"hotpink2\": \"rgb(238, 106, 167)\",\n  \"hotpink3\": \"rgb(205, 96, 144)\",\n  \"hotpink4\": \"rgb(139, 58, 98)\",\n  \"indianred\": \"rgb(205, 92, 92)\",\n  \"indianred1\": \"rgb(255, 106, 106)\",\n  \"indianred2\": \"rgb(238, 99, 99)\",\n  \"indianred3\": \"rgb(205, 85, 85)\",\n  \"indianred4\": \"rgb(139, 58, 58)\",\n  \"ivory\": \"rgb(255, 255, 240)\",\n  \"ivory1\": \"rgb(255, 255, 240)\",\n  \"ivory2\": \"rgb(238, 238, 224)\",\n  \"ivory3\": \"rgb(205, 205, 193)\",\n  \"ivory4\": \"rgb(139, 139, 131)\",\n  \"khaki\": \"rgb(240, 230, 140)\",\n  \"khaki1\": \"rgb(255, 246, 143)\",\n  \"khaki2\": \"rgb(238, 230, 133)\",\n  \"khaki3\": \"rgb(205, 198, 115)\",\n  \"khaki4\": \"rgb(139, 134, 78)\",\n  \"lavender\": \"rgb(230, 230, 250)\",\n  \"lavenderblush\": \"rgb(255, 240, 245)\",\n  \"lavenderblush1\": \"rgb(255, 240, 245)\",\n  \"lavenderblush2\": \"rgb(238, 224, 229)\",\n  \"lavenderblush3\": \"rgb(205, 193, 197)\",\n  \"lavenderblush4\": \"rgb(139, 131, 134)\",\n  \"lawngreen\": \"rgb(124, 252, 0)\",\n  \"lemonchiffon\": \"rgb(255, 250, 205)\",\n  \"lemonchiffon1\": \"rgb(255, 250, 205)\",\n  \"lemonchiffon2\": \"rgb(238, 233, 191)\",\n  \"lemonchiffon3\": \"rgb(205, 201, 165)\",\n  \"lemonchiffon4\": \"rgb(139, 137, 112)\",\n  \"lightblue\": \"rgb(173, 216, 230)\",\n  \"lightblue1\": \"rgb(191, 239, 255)\",\n  \"lightblue2\": \"rgb(178, 223, 238)\",\n  \"lightblue3\": \"rgb(154, 192, 205)\",\n  \"lightblue4\": \"rgb(104, 131, 139)\",\n  \"lightcoral\": \"rgb(240, 128, 128)\",\n  \"lightcyan\": \"rgb(224, 255, 255)\",\n  \"lightcyan1\": \"rgb(224, 255, 255)\",\n  \"lightcyan2\": \"rgb(209, 238, 238)\",\n  \"lightcyan3\": \"rgb(180, 205, 205)\",\n  \"lightcyan4\": \"rgb(122, 139, 139)\",\n  \"lightgoldenrod\": \"rgb(238, 221, 130)\",\n  \"lightgoldenrod1\": \"rgb(255, 236, 139)\",\n  \"lightgoldenrod2\": \"rgb(238, 220, 130)\",\n  \"lightgoldenrod3\": \"rgb(205, 190, 112)\",\n  \"lightgoldenrod4\": \"rgb(139, 129, 76)\",\n  \"lightgoldenrodyellow\": \"rgb(250, 250, 210)\",\n  \"lightgray\": \"rgb(211, 211, 211)\",\n  \"lightgreen\": \"rgb(144, 238, 144)\",\n  \"lightgrey\": \"rgb(211, 211, 211)\",\n  \"lightpink\": \"rgb(255, 182, 193)\",\n  \"lightpink1\": \"rgb(255, 174, 185)\",\n  \"lightpink2\": \"rgb(238, 162, 173)\",\n  \"lightpink3\": \"rgb(205, 140, 149)\",\n  \"lightpink4\": \"rgb(139, 95, 101)\",\n  \"lightsalmon\": \"rgb(255, 160, 122)\",\n  \"lightsalmon1\": \"rgb(255, 160, 122)\",\n  \"lightsalmon2\": \"rgb(238, 149, 114)\",\n  \"lightsalmon3\": \"rgb(205, 129, 98)\",\n  \"lightsalmon4\": \"rgb(139, 87, 66)\",\n  \"lightseagreen\": \"rgb(32, 178, 170)\",\n  \"lightskyblue\": \"rgb(135, 206, 250)\",\n  \"lightskyblue1\": \"rgb(176, 226, 255)\",\n  \"lightskyblue2\": \"rgb(164, 211, 238)\",\n  \"lightskyblue3\": \"rgb(141, 182, 205)\",\n  \"lightskyblue4\": \"rgb(96, 123, 139)\",\n  \"lightslateblue\": \"rgb(132, 112, 255)\",\n  \"lightslategray\": \"rgb(119, 136, 153)\",\n  \"lightslategrey\": \"rgb(119, 136, 153)\",\n  \"lightsteelblue\": \"rgb(176, 196, 222)\",\n  \"lightsteelblue1\": \"rgb(202, 225, 255)\",\n  \"lightsteelblue2\": \"rgb(188, 210, 238)\",\n  \"lightsteelblue3\": \"rgb(162, 181, 205)\",\n  \"lightsteelblue4\": \"rgb(110, 123, 139)\",\n  \"lightyellow\": \"rgb(255, 255, 224)\",\n  \"lightyellow1\": \"rgb(255, 255, 224)\",\n  \"lightyellow2\": \"rgb(238, 238, 209)\",\n  \"lightyellow3\": \"rgb(205, 205, 180)\",\n  \"lightyellow4\": \"rgb(139, 139, 122)\",\n  \"limegreen\": \"rgb(50, 205, 50)\",\n  \"linen\": \"rgb(250, 240, 230)\",\n  \"magenta\": \"rgb(255, 0, 255)\",\n  \"magenta1\": \"rgb(255, 0, 255)\",\n  \"magenta2\": \"rgb(238, 0, 238)\",\n  \"magenta3\": \"rgb(205, 0, 205)\",\n  \"magenta4\": \"rgb(139, 0, 139)\",\n  \"maroon\": \"rgb(176, 48, 96)\",\n  \"maroon1\": \"rgb(255, 52, 179)\",\n  \"maroon2\": \"rgb(238, 48, 167)\",\n  \"maroon3\": \"rgb(205, 41, 144)\",\n  \"maroon4\": \"rgb(139, 28, 98)\",\n  \"mediumaquamarine\": \"rgb(102, 205, 170)\",\n  \"mediumblue\": \"rgb(0, 0, 205)\",\n  \"mediumorchid\": \"rgb(186, 85, 211)\",\n  \"mediumorchid1\": \"rgb(224, 102, 255)\",\n  \"mediumorchid2\": \"rgb(209, 95, 238)\",\n  \"mediumorchid3\": \"rgb(180, 82, 205)\",\n  \"mediumorchid4\": \"rgb(122, 55, 139)\",\n  \"mediumpurple\": \"rgb(147, 112, 219)\",\n  \"mediumpurple1\": \"rgb(171, 130, 255)\",\n  \"mediumpurple2\": \"rgb(159, 121, 238)\",\n  \"mediumpurple3\": \"rgb(137, 104, 205)\",\n  \"mediumpurple4\": \"rgb(93, 71, 139)\",\n  \"mediumseagreen\": \"rgb(60, 179, 113)\",\n  \"mediumslateblue\": \"rgb(123, 104, 238)\",\n  \"mediumspringgreen\": \"rgb(0, 250, 154)\",\n  \"mediumturquoise\": \"rgb(72, 209, 204)\",\n  \"mediumvioletred\": \"rgb(199, 21, 133)\",\n  \"midnightblue\": \"rgb(25, 25, 112)\",\n  \"mintcream\": \"rgb(245, 255, 250)\",\n  \"mistyrose\": \"rgb(255, 228, 225)\",\n  \"mistyrose1\": \"rgb(255, 228, 225)\",\n  \"mistyrose2\": \"rgb(238, 213, 210)\",\n  \"mistyrose3\": \"rgb(205, 183, 181)\",\n  \"mistyrose4\": \"rgb(139, 125, 123)\",\n  \"moccasin\": \"rgb(255, 228, 181)\",\n  \"navajowhite\": \"rgb(255, 222, 173)\",\n  \"navajowhite1\": \"rgb(255, 222, 173)\",\n  \"navajowhite2\": \"rgb(238, 207, 161)\",\n  \"navajowhite3\": \"rgb(205, 179, 139)\",\n  \"navajowhite4\": \"rgb(139, 121, 94)\",\n  \"navy\": \"rgb(0, 0, 128)\",\n  \"navyblue\": \"rgb(0, 0, 128)\",\n  \"oldlace\": \"rgb(253, 245, 230)\",\n  \"olivedrab\": \"rgb(107, 142, 35)\",\n  \"olivedrab1\": \"rgb(192, 255, 62)\",\n  \"olivedrab2\": \"rgb(179, 238, 58)\",\n  \"olivedrab3\": \"rgb(154, 205, 50)\",\n  \"olivedrab4\": \"rgb(105, 139, 34)\",\n  \"orange\": \"rgb(255, 165, 0)\",\n  \"orange1\": \"rgb(255, 165, 0)\",\n  \"orange2\": \"rgb(238, 154, 0)\",\n  \"orange3\": \"rgb(205, 133, 0)\",\n  \"orange4\": \"rgb(139, 90, 0)\",\n  \"orangered\": \"rgb(255, 69, 0)\",\n  \"orangered1\": \"rgb(255, 69, 0)\",\n  \"orangered2\": \"rgb(238, 64, 0)\",\n  \"orangered3\": \"rgb(205, 55, 0)\",\n  \"orangered4\": \"rgb(139, 37, 0)\",\n  \"orchid\": \"rgb(218, 112, 214)\",\n  \"orchid1\": \"rgb(255, 131, 250)\",\n  \"orchid2\": \"rgb(238, 122, 233)\",\n  \"orchid3\": \"rgb(205, 105, 201)\",\n  \"orchid4\": \"rgb(139, 71, 137)\",\n  \"palegoldenrod\": \"rgb(238, 232, 170)\",\n  \"palegreen\": \"rgb(152, 251, 152)\",\n  \"palegreen1\": \"rgb(154, 255, 154)\",\n  \"palegreen2\": \"rgb(144, 238, 144)\",\n  \"palegreen3\": \"rgb(124, 205, 124)\",\n  \"palegreen4\": \"rgb(84, 139, 84)\",\n  \"paleturquoise\": \"rgb(175, 238, 238)\",\n  \"paleturquoise1\": \"rgb(187, 255, 255)\",\n  \"paleturquoise2\": \"rgb(174, 238, 238)\",\n  \"paleturquoise3\": \"rgb(150, 205, 205)\",\n  \"paleturquoise4\": \"rgb(102, 139, 139)\",\n  \"palevioletred\": \"rgb(219, 112, 147)\",\n  \"palevioletred1\": \"rgb(255, 130, 171)\",\n  \"palevioletred2\": \"rgb(238, 121, 159)\",\n  \"palevioletred3\": \"rgb(205, 104, 137)\",\n  \"palevioletred4\": \"rgb(139, 71, 93)\",\n  \"papayawhip\": \"rgb(255, 239, 213)\",\n  \"peachpuff\": \"rgb(255, 218, 185)\",\n  \"peachpuff1\": \"rgb(255, 218, 185)\",\n  \"peachpuff2\": \"rgb(238, 203, 173)\",\n  \"peachpuff3\": \"rgb(205, 175, 149)\",\n  \"peachpuff4\": \"rgb(139, 119, 101)\",\n  \"peru\": \"rgb(205, 133, 63)\",\n  \"pink\": \"rgb(255, 192, 203)\",\n  \"pink1\": \"rgb(255, 181, 197)\",\n  \"pink2\": \"rgb(238, 169, 184)\",\n  \"pink3\": \"rgb(205, 145, 158)\",\n  \"pink4\": \"rgb(139, 99, 108)\",\n  \"plum\": \"rgb(221, 160, 221)\",\n  \"plum1\": \"rgb(255, 187, 255)\",\n  \"plum2\": \"rgb(238, 174, 238)\",\n  \"plum3\": \"rgb(205, 150, 205)\",\n  \"plum4\": \"rgb(139, 102, 139)\",\n  \"powderblue\": \"rgb(176, 224, 230)\",\n  \"purple\": \"rgb(160, 32, 240)\",\n  \"purple1\": \"rgb(155, 48, 255)\",\n  \"purple2\": \"rgb(145, 44, 238)\",\n  \"purple3\": \"rgb(125, 38, 205)\",\n  \"purple4\": \"rgb(85, 26, 139)\",\n  \"red\": \"rgb(255, 0, 0)\",\n  \"red1\": \"rgb(255, 0, 0)\",\n  \"red2\": \"rgb(238, 0, 0)\",\n  \"red3\": \"rgb(205, 0, 0)\",\n  \"red4\": \"rgb(139, 0, 0)\",\n  \"rosybrown\": \"rgb(188, 143, 143)\",\n  \"rosybrown1\": \"rgb(255, 193, 193)\",\n  \"rosybrown2\": \"rgb(238, 180, 180)\",\n  \"rosybrown3\": \"rgb(205, 155, 155)\",\n  \"rosybrown4\": \"rgb(139, 105, 105)\",\n  \"royalblue\": \"rgb(65, 105, 225)\",\n  \"royalblue1\": \"rgb(72, 118, 255)\",\n  \"royalblue2\": \"rgb(67, 110, 238)\",\n  \"royalblue3\": \"rgb(58, 95, 205)\",\n  \"royalblue4\": \"rgb(39, 64, 139)\",\n  \"saddlebrown\": \"rgb(139, 69, 19)\",\n  \"salmon\": \"rgb(250, 128, 114)\",\n  \"salmon1\": \"rgb(255, 140, 105)\",\n  \"salmon2\": \"rgb(238, 130, 98)\",\n  \"salmon3\": \"rgb(205, 112, 84)\",\n  \"salmon4\": \"rgb(139, 76, 57)\",\n  \"sandybrown\": \"rgb(244, 164, 96)\",\n  \"seagreen\": \"rgb(46, 139, 87)\",\n  \"seagreen1\": \"rgb(84, 255, 159)\",\n  \"seagreen2\": \"rgb(78, 238, 148)\",\n  \"seagreen3\": \"rgb(67, 205, 128)\",\n  \"seagreen4\": \"rgb(46, 139, 87)\",\n  \"seashell\": \"rgb(255, 245, 238)\",\n  \"seashell1\": \"rgb(255, 245, 238)\",\n  \"seashell2\": \"rgb(238, 229, 222)\",\n  \"seashell3\": \"rgb(205, 197, 191)\",\n  \"seashell4\": \"rgb(139, 134, 130)\",\n  \"sienna\": \"rgb(160, 82, 45)\",\n  \"sienna1\": \"rgb(255, 130, 71)\",\n  \"sienna2\": \"rgb(238, 121, 66)\",\n  \"sienna3\": \"rgb(205, 104, 57)\",\n  \"sienna4\": \"rgb(139, 71, 38)\",\n  \"skyblue\": \"rgb(135, 206, 235)\",\n  \"skyblue1\": \"rgb(135, 206, 255)\",\n  \"skyblue2\": \"rgb(126, 192, 238)\",\n  \"skyblue3\": \"rgb(108, 166, 205)\",\n  \"skyblue4\": \"rgb(74, 112, 139)\",\n  \"slateblue\": \"rgb(106, 90, 205)\",\n  \"slateblue1\": \"rgb(131, 111, 255)\",\n  \"slateblue2\": \"rgb(122, 103, 238)\",\n  \"slateblue3\": \"rgb(105, 89, 205)\",\n  \"slateblue4\": \"rgb(71, 60, 139)\",\n  \"slategray\": \"rgb(112, 128, 144)\",\n  \"slategray1\": \"rgb(198, 226, 255)\",\n  \"slategray2\": \"rgb(185, 211, 238)\",\n  \"slategray3\": \"rgb(159, 182, 205)\",\n  \"slategray4\": \"rgb(108, 123, 139)\",\n  \"slategrey\": \"rgb(112, 128, 144)\",\n  \"snow\": \"rgb(255, 250, 250)\",\n  \"snow1\": \"rgb(255, 250, 250)\",\n  \"snow2\": \"rgb(238, 233, 233)\",\n  \"snow3\": \"rgb(205, 201, 201)\",\n  \"snow4\": \"rgb(139, 137, 137)\",\n  \"springgreen\": \"rgb(0, 255, 127)\",\n  \"springgreen1\": \"rgb(0, 255, 127)\",\n  \"springgreen2\": \"rgb(0, 238, 118)\",\n  \"springgreen3\": \"rgb(0, 205, 102)\",\n  \"springgreen4\": \"rgb(0, 139, 69)\",\n  \"steelblue\": \"rgb(70, 130, 180)\",\n  \"steelblue1\": \"rgb(99, 184, 255)\",\n  \"steelblue2\": \"rgb(92, 172, 238)\",\n  \"steelblue3\": \"rgb(79, 148, 205)\",\n  \"steelblue4\": \"rgb(54, 100, 139)\",\n  \"tan\": \"rgb(210, 180, 140)\",\n  \"tan1\": \"rgb(255, 165, 79)\",\n  \"tan2\": \"rgb(238, 154, 73)\",\n  \"tan3\": \"rgb(205, 133, 63)\",\n  \"tan4\": \"rgb(139, 90, 43)\",\n  \"thistle\": \"rgb(216, 191, 216)\",\n  \"thistle1\": \"rgb(255, 225, 255)\",\n  \"thistle2\": \"rgb(238, 210, 238)\",\n  \"thistle3\": \"rgb(205, 181, 205)\",\n  \"thistle4\": \"rgb(139, 123, 139)\",\n  \"tomato\": \"rgb(255, 99, 71)\",\n  \"tomato1\": \"rgb(255, 99, 71)\",\n  \"tomato2\": \"rgb(238, 92, 66)\",\n  \"tomato3\": \"rgb(205, 79, 57)\",\n  \"tomato4\": \"rgb(139, 54, 38)\",\n  \"turquoise\": \"rgb(64, 224, 208)\",\n  \"turquoise1\": \"rgb(0, 245, 255)\",\n  \"turquoise2\": \"rgb(0, 229, 238)\",\n  \"turquoise3\": \"rgb(0, 197, 205)\",\n  \"turquoise4\": \"rgb(0, 134, 139)\",\n  \"violet\": \"rgb(238, 130, 238)\",\n  \"violetred\": \"rgb(208, 32, 144)\",\n  \"violetred1\": \"rgb(255, 62, 150)\",\n  \"violetred2\": \"rgb(238, 58, 140)\",\n  \"violetred3\": \"rgb(205, 50, 120)\",\n  \"violetred4\": \"rgb(139, 34, 82)\",\n  \"wheat\": \"rgb(245, 222, 179)\",\n  \"wheat1\": \"rgb(255, 231, 186)\",\n  \"wheat2\": \"rgb(238, 216, 174)\",\n  \"wheat3\": \"rgb(205, 186, 150)\",\n  \"wheat4\": \"rgb(139, 126, 102)\",\n  \"white\": \"rgb(255, 255, 255)\",\n  \"whitesmoke\": \"rgb(245, 245, 245)\",\n  \"yellow\": \"rgb(255, 255, 0)\",\n  \"yellow1\": \"rgb(255, 255, 0)\",\n  \"yellow2\": \"rgb(238, 238, 0)\",\n  \"yellow3\": \"rgb(205, 205, 0)\",\n  \"yellow4\": \"rgb(139, 139, 0)\",\n  \"yellowgreen\": \"rgb(154, 205, 50)\"\n};\n// SOURCE FILE: libdot/js/lib_f.js\n// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\n/**\n * Grab bag of utility functions.\n */\nlib.f = {};\n\n/**\n * Create a unique enum value.\n *\n * @suppress {lintChecks}\n * @param {string} name A human friendly name for debugging.\n * @return {Object} A unique enum that won't compare equal to anything else.\n */\nlib.f.createEnum = function(name) {\n  // We use a String object as nothing else should be using them -- we want to\n  // use string primitives normally.  But debuggers will include our name.\n  return new String(name);\n};\n\n/**\n * Replace variable references in a string.\n *\n * Variables are of the form %FUNCTION(VARNAME).  FUNCTION is an optional\n * escape function to apply to the value.\n *\n * For example\n *   lib.f.replaceVars(\"%(greeting), %encodeURIComponent(name)\",\n *                     { greeting: \"Hello\",\n *                       name: \"Google+\" });\n *\n * Will result in \"Hello, Google%2B\".\n */\nlib.f.replaceVars = function(str, vars) {\n  return str.replace(/%([a-z]*)\\(([^\\)]+)\\)/gi, function(match, fn, varname) {\n      if (typeof vars[varname] == 'undefined')\n        throw 'Unknown variable: ' + varname;\n\n      var rv = vars[varname];\n\n      if (fn in lib.f.replaceVars.functions) {\n        rv = lib.f.replaceVars.functions[fn](rv);\n      } else if (fn) {\n        throw 'Unknown escape function: ' + fn;\n      }\n\n      return rv;\n    });\n};\n\n/**\n * Functions that can be used with replaceVars.\n *\n * Clients can add to this list to extend lib.f.replaceVars().\n */\nlib.f.replaceVars.functions = {\n  encodeURI: encodeURI,\n  encodeURIComponent: encodeURIComponent,\n  escapeHTML: function(str) {\n    var map = {\n      '<': '&lt;',\n      '>': '&gt;',\n      '&': '&amp;',\n      '\"': '&quot;',\n      \"'\": '&#39;'\n    };\n\n    return str.replace(/[<>&\\\"\\']/g, function(m) { return map[m] });\n  }\n};\n\n/**\n * Get the list of accepted UI languages.\n *\n * @param {function(Array)} callback Function to invoke with the results.  The\n *     parameter is a list of locale names.\n */\nlib.f.getAcceptLanguages = function(callback) {\n  if (lib.f.getAcceptLanguages.chromeSupported()) {\n    chrome.i18n.getAcceptLanguages(callback);\n  } else {\n    setTimeout(function() {\n        callback([navigator.language.replace(/-/g, '_')]);\n      }, 0);\n  }\n};\n\nlib.f.getAcceptLanguages.chromeSupported = function() {\n  return window.chrome && chrome.i18n;\n};\n\n/**\n * Parse a query string into a hash.\n *\n * This takes a url query string in the form 'name1=value&name2=value' and\n * converts it into an object of the form { name1: 'value', name2: 'value' }.\n * If a given name appears multiple times in the query string, only the\n * last value will appear in the result.\n *\n * Names and values are passed through decodeURIComponent before being added\n * to the result object.\n *\n * @param {string} queryString The string to parse.  If it starts with a\n *     leading '?', the '?' will be ignored.\n */\nlib.f.parseQuery = function(queryString) {\n  if (queryString.startsWith('?'))\n    queryString = queryString.substr(1);\n\n  var rv = {};\n\n  var pairs = queryString.split('&');\n  for (var i = 0; i < pairs.length; i++) {\n    var pair = pairs[i].split('=');\n    rv[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);\n  }\n\n  return rv;\n};\n\nlib.f.getURL = function(path) {\n  if (lib.f.getURL.chromeSupported())\n    return chrome.runtime.getURL(path);\n\n  return path;\n};\n\nlib.f.getURL.chromeSupported = function() {\n  return window.chrome && chrome.runtime && chrome.runtime.getURL;\n};\n\n/**\n * Clamp a given integer to a specified range.\n *\n * @param {integer} v The value to be clamped.\n * @param {integer} min The minimum acceptable value.\n * @param {integer} max The maximum acceptable value.\n */\nlib.f.clamp = function(v, min, max) {\n  if (v < min)\n    return min;\n  if (v > max)\n    return max;\n  return v;\n};\n\n/**\n * Left pad a number to a given length with leading zeros.\n *\n * @param {string|integer} number The number to pad.\n * @param {integer} length The desired length.\n * @return {string} The padded number as a string.\n */\nlib.f.zpad = function(number, length) {\n  return String(number).padStart(length, '0');\n};\n\n/**\n * Return a string containing a given number of space characters.\n *\n * This method maintains a static cache of the largest amount of whitespace\n * ever requested.  It shouldn't be used to generate an insanely huge amount of\n * whitespace.\n *\n * @param {integer} length The desired amount of whitespace.\n * @param {string} A string of spaces of the requested length.\n */\nlib.f.getWhitespace = function(length) {\n  if (length <= 0)\n    return '';\n\n  var f = this.getWhitespace;\n  if (!f.whitespace)\n    f.whitespace = '          ';\n\n  while (length > f.whitespace.length) {\n    f.whitespace += f.whitespace;\n  }\n\n  return f.whitespace.substr(0, length);\n};\n\n /**\n * Ensure that a function is called within a certain time limit.\n *\n * Simple usage looks like this...\n *\n *  lib.registerInit(lib.f.alarm(onInit));\n *\n * This will log a warning to the console if onInit() is not invoked within\n * 5 seconds.\n *\n * If you're performing some operation that may take longer than 5 seconds you\n * can pass a duration in milliseconds as the optional second parameter.\n *\n * If you pass a string identifier instead of a callback function, you'll get a\n * wrapper generator rather than a single wrapper.  Each call to the\n * generator will return a wrapped version of the callback wired to\n * a shared timeout.  This is for cases where you want to ensure that at least\n * one of a set of callbacks is invoked before a timeout expires.\n *\n *   var alarm = lib.f.alarm('fetch object');\n *   lib.foo.fetchObject(alarm(onSuccess), alarm(onFailure));\n *\n * @param {function(*)} callback The function to wrap in an alarm.\n * @param {int} opt_ms Optional number of milliseconds to wait before raising\n *     an alarm.  Default is 5000 (5 seconds).\n * @return {function} If callback is a function then the return value will be\n *     the wrapped callback.  If callback is a string then the return value will\n *     be a function that generates new wrapped callbacks.\n */\nlib.f.alarm = function(callback, opt_ms) {\n  var ms = opt_ms || 5 * 1000;\n  var stack = lib.f.getStack(1);\n\n  return (function() {\n    // This outer function is called immediately.  It's here to capture a new\n    // scope for the timeout variable.\n\n    // The 'timeout' variable is shared by this timeout function, and the\n    // callback wrapper.\n    var timeout = setTimeout(function() {\n      var name = (typeof callback == 'string') ? name : callback.name;\n      name = name ? (': ' + name) : '';\n      console.warn('lib.f.alarm: timeout expired: ' + (ms / 1000) + 's' + name);\n      console.log(stack);\n      timeout = null;\n    }, ms);\n\n    var wrapperGenerator = function(callback) {\n      return function() {\n        if (timeout) {\n          clearTimeout(timeout);\n          timeout = null;\n        }\n\n        return callback.apply(null, arguments);\n      }\n    };\n\n    if (typeof callback == 'string')\n      return wrapperGenerator;\n\n    return wrapperGenerator(callback);\n  })();\n};\n\n/**\n * Return the current call stack after skipping a given number of frames.\n *\n * This method is intended to be used for debugging only.  It returns an\n * Object instead of an Array, because the console stringifies arrays by\n * default and that's not what we want.\n *\n * A typical call might look like...\n *\n *    console.log('Something wicked this way came', lib.f.getStack());\n *    //                         Notice the comma ^\n *\n * This would print the message to the js console, followed by an object\n * which can be clicked to reveal the stack.\n *\n * @param {number} opt_ignoreFrames The optional number of stack frames to\n *     ignore.  The actual 'getStack' call is always ignored.\n */\nlib.f.getStack = function(opt_ignoreFrames) {\n  var ignoreFrames = opt_ignoreFrames ? opt_ignoreFrames + 2 : 2;\n\n  var stackArray;\n\n  try {\n    throw new Error();\n  } catch (ex) {\n    stackArray = ex.stack.split('\\n');\n  }\n\n  var stackObject = {};\n  for (var i = ignoreFrames; i < stackArray.length; i++) {\n    stackObject[i - ignoreFrames] = stackArray[i].replace(/^\\s*at\\s+/, '');\n  }\n\n  return stackObject;\n};\n\n/**\n * Divides the two numbers and floors the results, unless the remainder is less\n * than an incredibly small value, in which case it returns the ceiling.\n * This is useful when the number are truncated approximations of longer\n * values, and so doing division with these numbers yields a result incredibly\n * close to a whole number.\n *\n * @param {number} numerator\n * @param {number} denominator\n * @return {number}\n */\nlib.f.smartFloorDivide = function(numerator,  denominator) {\n  var val = numerator / denominator;\n  var ceiling = Math.ceil(val);\n  if (ceiling - val < .0001) {\n    return ceiling;\n  } else {\n    return Math.floor(val);\n  }\n};\n\n/**\n * Get a random integer in a range (inclusive).\n *\n * @param {number} min The lowest integer in the range.\n * @param {number} max The highest integer in the range.\n * @return {number} A random number between min & max.\n */\nlib.f.randomInt = function(min, max) {\n  return Math.floor(Math.random() * (max - min + 1)) + min;\n};\n// SOURCE FILE: libdot/js/lib_message_manager.js\n// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\n/**\n * MessageManager class handles internationalized strings.\n *\n * Note: chrome.i18n isn't sufficient because...\n *     1. There's a bug in chrome that makes it unavailable in iframes:\n *        https://crbug.com/130200\n *     2. The client code may not be packaged in a Chrome extension.\n *     3. The client code may be part of a library packaged in a third-party\n *        Chrome extension.\n *\n * @param {Array} languages List of languages to load, in the order they\n *     should be loaded.  Newer messages replace older ones.  'en' is\n *     automatically added as the first language if it is not already present.\n */\nlib.MessageManager = function(languages) {\n  this.languages_ = languages.map(\n      function(el) { return el.replace(/-/g, '_') });\n\n  if (this.languages_.indexOf('en') == -1)\n    this.languages_.unshift('en');\n\n  this.messages = {};\n};\n\n/**\n * Add message definitions to the message manager.\n *\n * This takes an object of the same format of a Chrome messages.json file.  See\n * <https://developer.chrome.com/extensions/i18n-messages>.\n */\nlib.MessageManager.prototype.addMessages = function(defs) {\n  for (var key in defs) {\n    var def = defs[key];\n\n    if (!def.placeholders) {\n      this.messages[key] = def.message;\n    } else {\n      // Replace \"$NAME$\" placeholders with \"$1\", etc.\n      this.messages[key] = def.message.replace(\n          /\\$([a-z][^\\s\\$]+)\\$/ig,\n          function(m, name) {\n            return defs[key].placeholders[name.toLowerCase()].content;\n          });\n    }\n  }\n};\n\n/**\n * Load the first available language message bundle.\n *\n * @param {string} pattern A url pattern containing a \"$1\" where the locale\n *     name should go.\n * @param {function(Array,Array)} onComplete Function to be called when loading\n *     is complete.  The two arrays are the list of successful and failed\n *     locale names.  If the first parameter is length 0, no locales were\n *     loaded.\n */\nlib.MessageManager.prototype.findAndLoadMessages = function(\n    pattern, onComplete) {\n  var languages = this.languages_.concat();\n  var loaded = [];\n  var failed = [];\n\n  function onLanguageComplete(state) {\n    if (state) {\n      loaded = languages.shift();\n    } else {\n      failed = languages.shift();\n    }\n\n    if (languages.length) {\n      tryNextLanguage();\n    } else {\n      onComplete(loaded, failed);\n    }\n  }\n\n  var tryNextLanguage = function() {\n    this.loadMessages(this.replaceReferences(pattern, languages),\n                      onLanguageComplete.bind(this, true),\n                      onLanguageComplete.bind(this, false));\n  }.bind(this);\n\n  tryNextLanguage();\n};\n\n/**\n * Load messages from a messages.json file.\n */\nlib.MessageManager.prototype.loadMessages = function(\n    url, onSuccess, opt_onError) {\n  var xhr = new XMLHttpRequest();\n\n  xhr.onloadend = function() {\n    if (xhr.status != 200) {\n      if (opt_onError)\n        opt_onError(xhr.status);\n\n      return;\n    }\n\n    this.addMessages(JSON.parse(xhr.responseText));\n    onSuccess();\n  }.bind(this);\n\n  xhr.open('GET', url);\n  xhr.send();\n};\n\n/**\n * Replace $1...$n references with the elements of the args array.\n *\n * @param {string} msg String containing the message and argument references.\n * @param {Array} args Array containing the argument values.\n */\nlib.MessageManager.replaceReferences = function(msg, args) {\n  return msg.replace(/\\$(\\d+)/g, function (m, index) {\n      return args[index - 1];\n    });\n};\n\n/**\n * Per-instance copy of replaceReferences.\n */\nlib.MessageManager.prototype.replaceReferences =\n    lib.MessageManager.replaceReferences;\n\n/**\n * Get a message by name, optionally replacing arguments too.\n *\n * @param {string} msgname String containing the name of the message to get.\n * @param {Array} opt_args Optional array containing the argument values.\n * @param {string} opt_default Optional value to return if the msgname is not\n *     found.  Returns the message name by default.\n */\nlib.MessageManager.prototype.get = function(msgname, opt_args, opt_default) {\n  var message;\n\n  if (msgname in this.messages) {\n    message = this.messages[msgname];\n\n  } else {\n    if (window.chrome.i18n)\n      message = chrome.i18n.getMessage(msgname);\n\n    if (!message) {\n      console.warn('Unknown message: ' + msgname);\n      return (typeof opt_default == 'undefined') ? msgname : opt_default;\n    }\n  }\n\n  if (!opt_args)\n    return message;\n\n  if (!(opt_args instanceof Array))\n    opt_args = [opt_args];\n\n  return this.replaceReferences(message, opt_args);\n};\n\n/**\n * Process all of the \"i18n\" html attributes found in a given dom fragment.\n *\n * The real work happens in processI18nAttribute.\n */\nlib.MessageManager.prototype.processI18nAttributes = function(dom) {\n  var nodes = dom.querySelectorAll('[i18n]');\n\n  for (var i = 0; i < nodes.length; i++)\n    this.processI18nAttribute(nodes[i]);\n};\n\n/**\n * Process the \"i18n\" attribute in the specified node.\n *\n * The i18n attribute should contain a JSON object.  The keys are taken to\n * be attribute names, and the values are message names.\n *\n * If the JSON object has a \"_\" (underscore) key, its value is used as the\n * textContent of the element.\n *\n * Message names can refer to other attributes on the same element with by\n * prefixing with a dollar sign.  For example...\n *\n *   <button id='send-button'\n *           i18n='{\"aria-label\": \"$id\", \"_\": \"SEND_BUTTON_LABEL\"}'\n *           ></button>\n *\n * The aria-label message name will be computed as \"SEND_BUTTON_ARIA_LABEL\".\n * Notice that the \"id\" attribute was appended to the target attribute, and\n * the result converted to UPPER_AND_UNDER style.\n */\nlib.MessageManager.prototype.processI18nAttribute = function(node) {\n  // Convert the \"lower-and-dashes\" attribute names into\n  // \"UPPER_AND_UNDER\" style.\n  function thunk(str) { return str.replace(/-/g, '_').toUpperCase() }\n\n  var i18n = node.getAttribute('i18n');\n  if (!i18n)\n    return;\n\n  try {\n    i18n = JSON.parse(i18n);\n  } catch (ex) {\n    console.error('Can\\'t parse ' + node.tagName + '#' + node.id + ': ' + i18n);\n    throw ex;\n  }\n\n  // Load all the messages specified in the i18n attributes.\n  for (var key in i18n) {\n    // The node attribute we'll be setting.\n    var attr = key;\n\n    var msgname = i18n[key];\n    // For \"=foo\", re-use the referenced message name.\n    if (msgname.startsWith('=')) {\n      key = msgname.substr(1);\n      msgname = i18n[key];\n    }\n\n    // For \"$foo\", calculate the message name.\n    if (msgname.startsWith('$'))\n      msgname = thunk(node.getAttribute(msgname.substr(1)) + '_' + key);\n\n    // Finally load the message.\n    var msg = this.get(msgname);\n    if (attr == '_')\n      node.textContent = msg;\n    else\n      node.setAttribute(attr, msg);\n  }\n};\n// SOURCE FILE: libdot/js/lib_preference_manager.js\n// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\n/**\n * Constructor for lib.PreferenceManager objects.\n *\n * These objects deal with persisting changes to stable storage and notifying\n * consumers when preferences change.\n *\n * It is intended that the backing store could be something other than HTML5\n * storage, but there aren't any use cases at the moment.  In the future there\n * may be a chrome api to store sync-able name/value pairs, and we'd want\n * that.\n *\n * @param {lib.Storage.*} storage The storage object to use as a backing\n *     store.\n * @param {string} opt_prefix The optional prefix to be used for all preference\n *     names.  The '/' character should be used to separate levels of hierarchy,\n *     if you're going to have that kind of thing.  If provided, the prefix\n *     should start with a '/'.  If not provided, it defaults to '/'.\n */\nlib.PreferenceManager = function(storage, opt_prefix) {\n  this.storage = storage;\n  this.storageObserver_ = this.onStorageChange_.bind(this);\n\n  this.isActive_ = false;\n  this.activate();\n\n  this.trace = false;\n\n  var prefix = opt_prefix || '/';\n  if (!prefix.endsWith('/'))\n    prefix += '/';\n\n  this.prefix = prefix;\n\n  this.prefRecords_ = {};\n  this.globalObservers_ = [];\n\n  this.childFactories_ = {};\n\n  // Map of list-name to {map of child pref managers}\n  // As in...\n  //\n  //  this.childLists_ = {\n  //    'profile-ids': {\n  //      'one': PreferenceManager,\n  //      'two': PreferenceManager,\n  //      ...\n  //    },\n  //\n  //    'frob-ids': {\n  //      ...\n  //    }\n  //  }\n  this.childLists_ = {};\n};\n\n/**\n * Used internally to indicate that the current value of the preference should\n * be taken from the default value defined with the preference.\n *\n * Equality tests against this value MUST use '===' or '!==' to be accurate.\n */\nlib.PreferenceManager.prototype.DEFAULT_VALUE = lib.f.createEnum('DEFAULT');\n\n/**\n * An individual preference.\n *\n * These objects are managed by the PreferenceManager, you shouldn't need to\n * handle them directly.\n */\nlib.PreferenceManager.Record = function(name, defaultValue) {\n  this.name = name;\n  this.defaultValue = defaultValue;\n  this.currentValue = this.DEFAULT_VALUE;\n  this.observers = [];\n};\n\n/**\n * A local copy of the DEFAULT_VALUE constant to make it less verbose.\n */\nlib.PreferenceManager.Record.prototype.DEFAULT_VALUE =\n    lib.PreferenceManager.prototype.DEFAULT_VALUE;\n\n/**\n * Register a callback to be invoked when this preference changes.\n *\n * @param {function(value, string, lib.PreferenceManager} observer The function\n *     to invoke.  It will receive the new value, the name of the preference,\n *     and a reference to the PreferenceManager as parameters.\n */\nlib.PreferenceManager.Record.prototype.addObserver = function(observer) {\n  this.observers.push(observer);\n};\n\n/**\n * Unregister an observer callback.\n *\n * @param {function} observer A previously registered callback.\n */\nlib.PreferenceManager.Record.prototype.removeObserver = function(observer) {\n  var i = this.observers.indexOf(observer);\n  if (i >= 0)\n    this.observers.splice(i, 1);\n};\n\n/**\n * Fetch the value of this preference.\n */\nlib.PreferenceManager.Record.prototype.get = function() {\n  if (this.currentValue === this.DEFAULT_VALUE) {\n    if (/^(string|number)$/.test(typeof this.defaultValue))\n      return this.defaultValue;\n\n    if (typeof this.defaultValue == 'object') {\n      // We want to return a COPY of the default value so that users can\n      // modify the array or object without changing the default value.\n      return JSON.parse(JSON.stringify(this.defaultValue));\n    }\n\n    return this.defaultValue;\n  }\n\n  return this.currentValue;\n};\n\n/**\n * Stop this preference manager from tracking storage changes.\n *\n * Call this if you're going to swap out one preference manager for another so\n * that you don't get notified about irrelevant changes.\n */\nlib.PreferenceManager.prototype.deactivate = function() {\n  if (!this.isActive_)\n    throw new Error('Not activated');\n\n  this.isActive_ = false;\n  this.storage.removeObserver(this.storageObserver_);\n};\n\n/**\n * Start tracking storage changes.\n *\n * If you previously deactivated this preference manager, you can reactivate it\n * with this method.  You don't need to call this at initialization time, as\n * it's automatically called as part of the constructor.\n */\nlib.PreferenceManager.prototype.activate = function() {\n  if (this.isActive_)\n    throw new Error('Already activated');\n\n  this.isActive_ = true;\n  this.storage.addObserver(this.storageObserver_);\n};\n\n/**\n * Read the backing storage for these preferences.\n *\n * You should do this once at initialization time to prime the local cache\n * of preference values.  The preference manager will monitor the backing\n * storage for changes, so you should not need to call this more than once.\n *\n * This function recursively reads storage for all child preference managers as\n * well.\n *\n * This function is asynchronous, if you need to read preference values, you\n * *must* wait for the callback.\n *\n * @param {function()} opt_callback Optional function to invoke when the read\n *     has completed.\n */\nlib.PreferenceManager.prototype.readStorage = function(opt_callback) {\n  var pendingChildren = 0;\n\n  function onChildComplete() {\n    if (--pendingChildren == 0 && opt_callback)\n      opt_callback();\n  }\n\n  var keys = Object.keys(this.prefRecords_).map(\n      function(el) { return this.prefix + el }.bind(this));\n\n  if (this.trace)\n    console.log('Preferences read: ' + this.prefix);\n\n  this.storage.getItems(keys, function(items) {\n      var prefixLength = this.prefix.length;\n\n      for (var key in items) {\n        var value = items[key];\n        var name = key.substr(prefixLength);\n        var needSync = (name in this.childLists_ &&\n                        (JSON.stringify(value) !=\n                         JSON.stringify(this.prefRecords_[name].currentValue)));\n\n        this.prefRecords_[name].currentValue = value;\n\n        if (needSync) {\n          pendingChildren++;\n          this.syncChildList(name, onChildComplete);\n        }\n      }\n\n      if (pendingChildren == 0 && opt_callback)\n        setTimeout(opt_callback);\n    }.bind(this));\n};\n\n/**\n * Define a preference.\n *\n * This registers a name, default value, and onChange handler for a preference.\n *\n * @param {string} name The name of the preference.  This will be prefixed by\n *     the prefix of this PreferenceManager before written to local storage.\n * @param {string|number|boolean|Object|Array|null} value The default value of\n *     this preference.  Anything that can be represented in JSON is a valid\n *     default value.\n * @param {function(value, string, lib.PreferenceManager} opt_observer A\n *     function to invoke when the preference changes.  It will receive the new\n *     value, the name of the preference, and a reference to the\n *     PreferenceManager as parameters.\n */\nlib.PreferenceManager.prototype.definePreference = function(\n    name, value, opt_onChange) {\n\n  var record = this.prefRecords_[name];\n  if (record) {\n    this.changeDefault(name, value);\n  } else {\n    record = this.prefRecords_[name] =\n        new lib.PreferenceManager.Record(name, value);\n  }\n\n  if (opt_onChange)\n    record.addObserver(opt_onChange);\n};\n\n/**\n * Define multiple preferences with a single function call.\n *\n * @param {Array} defaults An array of 3-element arrays.  Each three element\n *     array should contain the [key, value, onChange] parameters for a\n *     preference.\n */\nlib.PreferenceManager.prototype.definePreferences = function(defaults) {\n  for (var i = 0; i < defaults.length; i++) {\n    this.definePreference(defaults[i][0], defaults[i][1], defaults[i][2]);\n  }\n};\n\n/**\n * Define an ordered list of child preferences.\n *\n * Child preferences are different from just storing an array of JSON objects\n * in that each child is an instance of a preference manager.  This means you\n * can observe changes to individual child preferences, and get some validation\n * that you're not reading or writing to an undefined child preference value.\n *\n * @param {string} listName A name for the list of children.  This must be\n *     unique in this preference manager.  The listName will become a\n *     preference on this PreferenceManager used to store the ordered list of\n *     child ids.  It is also used in get/add/remove operations to identify the\n *     list of children to operate on.\n * @param {function} childFactory A function that will be used to generate\n *     instances of these children.  The factory function will receive the\n *     parent lib.PreferenceManager object and a unique id for the new child\n *     preferences.\n */\nlib.PreferenceManager.prototype.defineChildren = function(\n    listName, childFactory) {\n\n  // Define a preference to hold the ordered list of child ids.\n  this.definePreference(listName, [],\n                        this.onChildListChange_.bind(this, listName));\n  this.childFactories_[listName] = childFactory;\n  this.childLists_[listName] = {};\n};\n\n/**\n * Register to observe preference changes.\n *\n * @param {Function} global A callback that will happen for every preference.\n *     Pass null if you don't need one.\n * @param {Object} map A map of preference specific callbacks.  Pass null if\n *     you don't need any.\n */\nlib.PreferenceManager.prototype.addObservers = function(global, map) {\n  if (global && typeof global != 'function')\n    throw new Error('Invalid param: globals');\n\n  if (global)\n    this.globalObservers_.push(global);\n\n  if (!map)\n    return;\n\n  for (var name in map) {\n    if (!(name in this.prefRecords_))\n      throw new Error('Unknown preference: ' + name);\n\n    this.prefRecords_[name].addObserver(map[name]);\n  }\n};\n\n/**\n * Dispatch the change observers for all known preferences.\n *\n * It may be useful to call this after readStorage completes, in order to\n * get application state in sync with user preferences.\n *\n * This can be used if you've changed a preference manager out from under\n * a live object, for example when switching to a different prefix.\n */\nlib.PreferenceManager.prototype.notifyAll = function() {\n  for (var name in this.prefRecords_) {\n    this.notifyChange_(name);\n  }\n};\n\n/**\n * Notify the change observers for a given preference.\n *\n * @param {string} name The name of the preference that changed.\n */\nlib.PreferenceManager.prototype.notifyChange_ = function(name) {\n  var record = this.prefRecords_[name];\n  if (!record)\n    throw new Error('Unknown preference: ' + name);\n\n  var currentValue = record.get();\n\n  for (var i = 0; i < this.globalObservers_.length; i++)\n    this.globalObservers_[i](name, currentValue);\n\n  for (var i = 0; i < record.observers.length; i++) {\n    record.observers[i](currentValue, name, this);\n  }\n};\n\n/**\n * Create a new child PreferenceManager for the given child list.\n *\n * The optional hint parameter is an opaque prefix added to the auto-generated\n * unique id for this child.  Your child factory can parse out the prefix\n * and use it.\n *\n * @param {string} listName The child list to create the new instance from.\n * @param {string} opt_hint Optional hint to include in the child id.\n * @param {string} opt_id Optional id to override the generated id.\n */\nlib.PreferenceManager.prototype.createChild = function(listName, opt_hint,\n                                                       opt_id) {\n  var ids = this.get(listName);\n  var id;\n\n  if (opt_id) {\n    id = opt_id;\n    if (ids.indexOf(id) != -1)\n      throw new Error('Duplicate child: ' + listName + ': ' + id);\n\n  } else {\n    // Pick a random, unique 4-digit hex identifier for the new profile.\n    while (!id || ids.indexOf(id) != -1) {\n      id = lib.f.randomInt(1, 0xffff).toString(16);\n      id = lib.f.zpad(id, 4);\n      if (opt_hint)\n        id = opt_hint + ':' + id;\n    }\n  }\n\n  var childManager = this.childFactories_[listName](this, id);\n  childManager.trace = this.trace;\n  childManager.resetAll();\n\n  this.childLists_[listName][id] = childManager;\n\n  ids.push(id);\n  this.set(listName, ids);\n\n  return childManager;\n};\n\n/**\n * Remove a child preferences instance.\n *\n * Removes a child preference manager and clears any preferences stored in it.\n *\n * @param {string} listName The name of the child list containing the child to\n *     remove.\n * @param {string} id The child ID.\n */\nlib.PreferenceManager.prototype.removeChild = function(listName, id) {\n  var prefs = this.getChild(listName, id);\n  prefs.resetAll();\n\n  var ids = this.get(listName);\n  var i = ids.indexOf(id);\n  if (i != -1) {\n    ids.splice(i, 1);\n    this.set(listName, ids);\n  }\n\n  delete this.childLists_[listName][id];\n};\n\n/**\n * Return a child PreferenceManager instance for a given id.\n *\n * If the child list or child id is not known this will return the specified\n * default value or throw an exception if no default value is provided.\n *\n * @param {string} listName The child list to look in.\n * @param {string} id The child ID.\n * @param {*} opt_default The optional default value to return if the child\n *     is not found.\n */\nlib.PreferenceManager.prototype.getChild = function(listName, id, opt_default) {\n  if (!(listName in this.childLists_))\n    throw new Error('Unknown child list: ' + listName);\n\n  var childList = this.childLists_[listName];\n  if (!(id in childList)) {\n    if (typeof opt_default == 'undefined')\n      throw new Error('Unknown \"' + listName + '\" child: ' + id);\n\n    return opt_default;\n  }\n\n  return childList[id];\n};\n\n/**\n * Calculate the difference between two lists of child ids.\n *\n * Given two arrays of child ids, this function will return an object\n * with \"added\", \"removed\", and \"common\" properties.  Each property is\n * a map of child-id to `true`.  For example, given...\n *\n *    a = ['child-x', 'child-y']\n *    b = ['child-y']\n *\n *    diffChildLists(a, b) =>\n *      { added: { 'child-x': true }, removed: {}, common: { 'child-y': true } }\n *\n * The added/removed properties assume that `a` is the current list.\n *\n * @param {Array[string]} a The most recent list of child ids.\n * @param {Array[string]} b An older list of child ids.\n * @return {Object} An object with added/removed/common properties.\n */\nlib.PreferenceManager.diffChildLists = function(a, b) {\n  var rv = {\n    added: {},\n    removed: {},\n    common: {},\n  };\n\n  for (var i = 0; i < a.length; i++) {\n    if (b.indexOf(a[i]) != -1) {\n      rv.common[a[i]] = true;\n    } else {\n      rv.added[a[i]] = true;\n    }\n  }\n\n  for (var i = 0; i < b.length; i++) {\n    if ((b[i] in rv.added) || (b[i] in rv.common))\n      continue;\n\n    rv.removed[b[i]] = true;\n  }\n\n  return rv;\n};\n\n/**\n * Synchronize a list of child PreferenceManagers instances with the current\n * list stored in prefs.\n *\n * This will instantiate any missing managers and read current preference values\n * from storage.  Any active managers that no longer appear in preferences will\n * be deleted.\n *\n * @param {string} listName The child list to synchronize.\n * @param {function()} opt_callback Optional function to invoke when the sync\n *     is complete.\n */\nlib.PreferenceManager.prototype.syncChildList = function(\n    listName, opt_callback) {\n\n  var pendingChildren = 0;\n  function onChildStorage() {\n    if (--pendingChildren == 0 && opt_callback)\n      opt_callback();\n  }\n\n  // The list of child ids that we *should* have a manager for.\n  var currentIds = this.get(listName);\n\n  // The known managers at the start of the sync.  Any manager still in this\n  // list at the end should be discarded.\n  var oldIds = Object.keys(this.childLists_[listName]);\n\n  var rv = lib.PreferenceManager.diffChildLists(currentIds, oldIds);\n\n  for (var i = 0; i < currentIds.length; i++) {\n    var id = currentIds[i];\n\n    var managerIndex = oldIds.indexOf(id);\n    if (managerIndex >= 0)\n      oldIds.splice(managerIndex, 1);\n\n    if (!this.childLists_[listName][id]) {\n      var childManager = this.childFactories_[listName](this, id);\n      if (!childManager) {\n        console.warn('Unable to restore child: ' + listName + ': ' + id);\n        continue;\n      }\n\n      childManager.trace = this.trace;\n      this.childLists_[listName][id] = childManager;\n      pendingChildren++;\n      childManager.readStorage(onChildStorage);\n    }\n  }\n\n  for (var i = 0; i < oldIds.length; i++) {\n    delete this.childLists_[listName][oldIds[i]];\n  }\n\n  if (!pendingChildren && opt_callback)\n    setTimeout(opt_callback);\n};\n\n/**\n * Reset a preference to its default state.\n *\n * This will dispatch the onChange handler if the preference value actually\n * changes.\n *\n * @param {string} name The preference to reset.\n */\nlib.PreferenceManager.prototype.reset = function(name) {\n  var record = this.prefRecords_[name];\n  if (!record)\n    throw new Error('Unknown preference: ' + name);\n\n  this.storage.removeItem(this.prefix + name);\n\n  if (record.currentValue !== this.DEFAULT_VALUE) {\n    record.currentValue = this.DEFAULT_VALUE;\n    this.notifyChange_(name);\n  }\n};\n\n/**\n * Reset all preferences back to their default state.\n */\nlib.PreferenceManager.prototype.resetAll = function() {\n  var changed = [];\n\n  for (var listName in this.childLists_) {\n    var childList = this.childLists_[listName];\n    for (var id in childList) {\n      childList[id].resetAll();\n    }\n  }\n\n  for (var name in this.prefRecords_) {\n    if (this.prefRecords_[name].currentValue !== this.DEFAULT_VALUE) {\n      this.prefRecords_[name].currentValue = this.DEFAULT_VALUE;\n      changed.push(name);\n    }\n  }\n\n  var keys = Object.keys(this.prefRecords_).map(function(el) {\n      return this.prefix + el;\n  }.bind(this));\n\n  this.storage.removeItems(keys);\n\n  changed.forEach(this.notifyChange_.bind(this));\n};\n\n/**\n * Return true if two values should be considered not-equal.\n *\n * If both values are the same scalar type and compare equal this function\n * returns false (no difference), otherwise return true.\n *\n * This is used in places where we want to check if a preference has changed.\n * Rather than take the time to compare complex values we just consider them\n * to always be different.\n *\n * @param {*} a A value to compare.\n * @param {*} b A value to compare.\n */\nlib.PreferenceManager.prototype.diff = function(a, b) {\n  // If the types are different, or the type is not a simple primitive one.\n  if ((typeof a) !== (typeof b) ||\n      !(/^(undefined|boolean|number|string)$/.test(typeof a))) {\n    return true;\n  }\n\n  return a !== b;\n};\n\n/**\n * Change the default value of a preference.\n *\n * This is useful when subclassing preference managers.\n *\n * The function does not alter the current value of the preference, unless\n * it has the old default value.  When that happens, the change observers\n * will be notified.\n *\n * @param {string} name The name of the parameter to change.\n * @param {*} newValue The new default value for the preference.\n */\nlib.PreferenceManager.prototype.changeDefault = function(name, newValue) {\n  var record = this.prefRecords_[name];\n  if (!record)\n    throw new Error('Unknown preference: ' + name);\n\n  if (!this.diff(record.defaultValue, newValue)) {\n    // Default value hasn't changed.\n    return;\n  }\n\n  if (record.currentValue !== this.DEFAULT_VALUE) {\n    // This pref has a specific value, just change the default and we're done.\n    record.defaultValue = newValue;\n    return;\n  }\n\n  record.defaultValue = newValue;\n\n  this.notifyChange_(name);\n};\n\n/**\n * Change the default value of multiple preferences.\n *\n * @param {Object} map A map of name -> value pairs specifying the new default\n *     values.\n */\nlib.PreferenceManager.prototype.changeDefaults = function(map) {\n  for (var key in map) {\n    this.changeDefault(key, map[key]);\n  }\n};\n\n/**\n * Set a preference to a specific value.\n *\n * This will dispatch the onChange handler if the preference value actually\n * changes.\n *\n * @param {string} key The preference to set.\n * @param {*} value The value to set.  Anything that can be represented in\n *     JSON is a valid value.\n */\nlib.PreferenceManager.prototype.set = function(name, newValue) {\n  var record = this.prefRecords_[name];\n  if (!record)\n    throw new Error('Unknown preference: ' + name);\n\n  var oldValue = record.get();\n\n  if (!this.diff(oldValue, newValue))\n    return;\n\n  if (this.diff(record.defaultValue, newValue)) {\n    record.currentValue = newValue;\n    this.storage.setItem(this.prefix + name, newValue);\n  } else {\n    record.currentValue = this.DEFAULT_VALUE;\n    this.storage.removeItem(this.prefix + name);\n  }\n\n  // We need to manually send out the notification on this instance.  If we\n  // The storage event won't fire a notification because we've already changed\n  // the currentValue, so it won't see a difference.  If we delayed changing\n  // currentValue until the storage event, a pref read immediately after a write\n  // would return the previous value.\n  //\n  // The notification is in a timeout so clients don't accidentally depend on\n  // a synchronous notification.\n  setTimeout(this.notifyChange_.bind(this, name), 0);\n};\n\n/**\n * Get the value of a preference.\n *\n * @param {string} key The preference to get.\n */\nlib.PreferenceManager.prototype.get = function(name) {\n  var record = this.prefRecords_[name];\n  if (!record)\n    throw new Error('Unknown preference: ' + name);\n\n  return record.get();\n};\n\n/**\n * Return all non-default preferences as a JSON object.\n *\n * This includes any nested preference managers as well.\n */\nlib.PreferenceManager.prototype.exportAsJson = function() {\n  var rv = {};\n\n  for (var name in this.prefRecords_) {\n    if (name in this.childLists_) {\n      rv[name] = [];\n      var childIds = this.get(name);\n      for (var i = 0; i < childIds.length; i++) {\n        var id = childIds[i];\n        rv[name].push({id: id, json: this.getChild(name, id).exportAsJson()});\n      }\n\n    } else {\n      var record = this.prefRecords_[name];\n      if (record.currentValue != this.DEFAULT_VALUE)\n        rv[name] = record.currentValue;\n    }\n  }\n\n  return rv;\n};\n\n/**\n * Import a JSON blob of preferences previously generated with exportAsJson.\n *\n * This will create nested preference managers as well.\n */\nlib.PreferenceManager.prototype.importFromJson = function(json) {\n  for (var name in json) {\n    if (name in this.childLists_) {\n      var childList = json[name];\n      for (var i = 0; i < childList.length; i++) {\n        var id = childList[i].id;\n\n        var childPrefManager = this.childLists_[name][id];\n        if (!childPrefManager)\n          childPrefManager = this.createChild(name, null, id);\n\n        childPrefManager.importFromJson(childList[i].json);\n      }\n\n    } else {\n      this.set(name, json[name]);\n    }\n  }\n};\n\n/**\n * Called when one of the child list preferences changes.\n */\nlib.PreferenceManager.prototype.onChildListChange_ = function(listName) {\n  this.syncChildList(listName);\n};\n\n/**\n * Called when a key in the storage changes.\n */\nlib.PreferenceManager.prototype.onStorageChange_ = function(map) {\n  for (var key in map) {\n    if (this.prefix) {\n      if (key.lastIndexOf(this.prefix, 0) != 0)\n        continue;\n    }\n\n    var name = key.substr(this.prefix.length);\n\n    if (!(name in this.prefRecords_)) {\n      // Sometimes we'll get notified about prefs that are no longer defined.\n      continue;\n    }\n\n    var record = this.prefRecords_[name];\n\n    var newValue = map[key].newValue;\n    var currentValue = record.currentValue;\n    if (currentValue === record.DEFAULT_VALUE)\n      currentValue = (void 0);\n\n    if (this.diff(currentValue, newValue)) {\n      if (typeof newValue == 'undefined' || newValue === null) {\n        record.currentValue = record.DEFAULT_VALUE;\n      } else {\n        record.currentValue = newValue;\n      }\n\n      this.notifyChange_(name);\n    }\n  }\n};\n// SOURCE FILE: libdot/js/lib_resource.js\n// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\n/**\n * Storage for canned resources.\n *\n * These are usually non-JavaScript things that are collected during a build\n * step and converted into a series of 'lib.resource.add(...)' calls.  See\n * the \"@resource\" directive from libdot/bin/concat.sh for the canonical use\n * case.\n *\n * This is global storage, so you should prefix your resource names to avoid\n * collisions.\n */\nlib.resource = {\n  resources_: {}\n};\n\n/**\n * Add a resource.\n *\n * @param {string} name A name for the resource.  You should prefix this to\n *   avoid collisions with resources from a shared library.\n * @param {string} type A mime type for the resource, or \"raw\" if not\n *   applicable.\n * @param {*} data The value of the resource.\n */\nlib.resource.add = function(name, type, data) {\n  lib.resource.resources_[name] = {\n    type: type,\n    name: name,\n    data: data\n  };\n};\n\n/**\n * Retrieve a resource record.\n *\n * The resource data is stored on the \"data\" property of the returned object.\n *\n * @param {string} name The name of the resource to get.\n * @param {*} opt_defaultValue The optional value to return if the resource is\n *   not defined.\n * @return {object} An object with \"type\", \"name\", and \"data\" properties.\n */\nlib.resource.get = function(name, opt_defaultValue) {\n  if (!(name in lib.resource.resources_)) {\n    if (typeof opt_defaultValue == 'undefined')\n      throw 'Unknown resource: ' + name;\n\n    return opt_defaultValue;\n  }\n\n  return lib.resource.resources_[name];\n};\n\n/**\n * Retrieve resource data.\n *\n * @param {string} name The name of the resource to get.\n * @param {*} opt_defaultValue The optional value to return if the resource is\n *   not defined.\n * @return {*} The resource data.\n */\nlib.resource.getData = function(name, opt_defaultValue) {\n  if (!(name in lib.resource.resources_)) {\n    if (typeof opt_defaultValue == 'undefined')\n      throw 'Unknown resource: ' + name;\n\n    return opt_defaultValue;\n  }\n\n  return lib.resource.resources_[name].data;\n};\n\n/**\n * Retrieve resource as a data: url.\n *\n * @param {string} name The name of the resource to get.\n * @param {*} opt_defaultValue The optional value to return if the resource is\n *   not defined.\n * @return {*} A data: url encoded version of the resource.\n */\nlib.resource.getDataUrl = function(name, opt_defaultValue) {\n  var resource = lib.resource.get(name, opt_defaultValue);\n  return 'data:' + resource.type + ',' + resource.data;\n};\n// SOURCE FILE: libdot/js/lib_storage.js\n// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\n/**\n * Namespace for implementations of persistent, possibly cloud-backed\n * storage.\n */\nlib.Storage = new Object();\n// SOURCE FILE: libdot/js/lib_storage_chrome.js\n// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\n/**\n * chrome.storage based class with an async interface that is interchangeable\n * with other lib.Storage.* implementations.\n */\nlib.Storage.Chrome = function(storage) {\n  this.storage_ = storage;\n  this.observers_ = [];\n\n  chrome.storage.onChanged.addListener(this.onChanged_.bind(this));\n};\n\n/**\n * Called by the storage implementation when the storage is modified.\n */\nlib.Storage.Chrome.prototype.onChanged_ = function(changes, areaname) {\n  if (chrome.storage[areaname] != this.storage_)\n    return;\n\n  for (var i = 0; i < this.observers_.length; i++) {\n    this.observers_[i](changes);\n  }\n};\n\n/**\n * Register a function to observe storage changes.\n *\n * @param {function(map)} callback The function to invoke when the storage\n *     changes.\n */\nlib.Storage.Chrome.prototype.addObserver = function(callback) {\n  this.observers_.push(callback);\n};\n\n/**\n * Unregister a change observer.\n *\n * @param {function} observer A previously registered callback.\n */\nlib.Storage.Chrome.prototype.removeObserver = function(callback) {\n  var i = this.observers_.indexOf(callback);\n  if (i != -1)\n    this.observers_.splice(i, 1);\n};\n\n/**\n * Delete everything in this storage.\n *\n * @param {function(map)} callback The function to invoke when the delete\n *     has completed.\n */\nlib.Storage.Chrome.prototype.clear = function(opt_callback) {\n  this.storage_.clear();\n\n  if (opt_callback)\n    setTimeout(opt_callback, 0);\n};\n\n/**\n * Return the current value of a storage item.\n *\n * @param {string} key The key to look up.\n * @param {function(value) callback The function to invoke when the value has\n *     been retrieved.\n */\nlib.Storage.Chrome.prototype.getItem = function(key, callback) {\n  this.storage_.get(key, callback);\n};\n/**\n * Fetch the values of multiple storage items.\n *\n * @param {Array} keys The keys to look up.\n * @param {function(map) callback The function to invoke when the values have\n *     been retrieved.\n */\n\nlib.Storage.Chrome.prototype.getItems = function(keys, callback) {\n  this.storage_.get(keys, callback);\n};\n\n/**\n * Set a value in storage.\n *\n * @param {string} key The key for the value to be stored.\n * @param {*} value The value to be stored.  Anything that can be serialized\n *     with JSON is acceptable.\n * @param {function()} opt_callback Optional function to invoke when the\n *     set is complete.  You don't have to wait for the set to complete in order\n *     to read the value, since the local cache is updated synchronously.\n */\nlib.Storage.Chrome.prototype.setItem = function(key, value, opt_callback) {\n  var obj = {};\n  obj[key] = value;\n  this.storage_.set(obj, opt_callback);\n};\n\n/**\n * Set multiple values in storage.\n *\n * @param {Object} map A map of key/values to set in storage.\n * @param {function()} opt_callback Optional function to invoke when the\n *     set is complete.  You don't have to wait for the set to complete in order\n *     to read the value, since the local cache is updated synchronously.\n */\nlib.Storage.Chrome.prototype.setItems = function(obj, opt_callback) {\n  this.storage_.set(obj, opt_callback);\n};\n\n/**\n * Remove an item from storage.\n *\n * @param {string} key The key to be removed.\n * @param {function()} opt_callback Optional function to invoke when the\n *     remove is complete.  You don't have to wait for the set to complete in\n *     order to read the value, since the local cache is updated synchronously.\n */\nlib.Storage.Chrome.prototype.removeItem = function(key, opt_callback) {\n  this.storage_.remove(key, opt_callback);\n};\n\n/**\n * Remove multiple items from storage.\n *\n * @param {Array} keys The keys to be removed.\n * @param {function()} opt_callback Optional function to invoke when the\n *     remove is complete.  You don't have to wait for the set to complete in\n *     order to read the value, since the local cache is updated synchronously.\n */\nlib.Storage.Chrome.prototype.removeItems = function(keys, opt_callback) {\n  this.storage_.remove(keys, opt_callback);\n};\n// SOURCE FILE: libdot/js/lib_storage_local.js\n// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\n/**\n * window.localStorage based class with an async interface that is\n * interchangeable with other lib.Storage.* implementations.\n */\nlib.Storage.Local = function() {\n  this.observers_ = [];\n  this.storage_ = window.localStorage;\n  window.addEventListener('storage', this.onStorage_.bind(this));\n};\n\n/**\n * Called by the storage implementation when the storage is modified.\n */\nlib.Storage.Local.prototype.onStorage_ = function(e) {\n  if (e.storageArea != this.storage_)\n    return;\n\n  // JS throws an exception if JSON.parse is given an empty string. So here we\n  // only parse if the value is truthy. This mean the empty string, undefined\n  // and null will not be parsed.\n  var prevValue = e.oldValue ? JSON.parse(e.oldValue) : e.oldValue;\n  var curValue = e.newValue ? JSON.parse(e.newValue) : e.newValue;\n  var o = {};\n  o[e.key] = {\n    oldValue: prevValue,\n    newValue: curValue\n  };\n\n  for (var i = 0; i < this.observers_.length; i++) {\n    this.observers_[i](o);\n  }\n};\n\n/**\n * Register a function to observe storage changes.\n *\n * @param {function(map)} callback The function to invoke when the storage\n *     changes.\n */\nlib.Storage.Local.prototype.addObserver = function(callback) {\n  this.observers_.push(callback);\n};\n\n/**\n * Unregister a change observer.\n *\n * @param {function} observer A previously registered callback.\n */\nlib.Storage.Local.prototype.removeObserver = function(callback) {\n  var i = this.observers_.indexOf(callback);\n  if (i != -1)\n    this.observers_.splice(i, 1);\n};\n\n/**\n * Delete everything in this storage.\n *\n * @param {function(map)} callback The function to invoke when the delete\n *     has completed.\n */\nlib.Storage.Local.prototype.clear = function(opt_callback) {\n  this.storage_.clear();\n\n  if (opt_callback)\n    setTimeout(opt_callback, 0);\n};\n\n/**\n * Return the current value of a storage item.\n *\n * @param {string} key The key to look up.\n * @param {function(value) callback The function to invoke when the value has\n *     been retrieved.\n */\nlib.Storage.Local.prototype.getItem = function(key, callback) {\n  var value = this.storage_.getItem(key);\n\n  if (typeof value == 'string') {\n    try {\n      value = JSON.parse(value);\n    } catch (e) {\n      // If we can't parse the value, just return it unparsed.\n    }\n  }\n\n  setTimeout(callback.bind(null, value), 0);\n};\n\n/**\n * Fetch the values of multiple storage items.\n *\n * @param {Array} keys The keys to look up.\n * @param {function(map) callback The function to invoke when the values have\n *     been retrieved.\n */\nlib.Storage.Local.prototype.getItems = function(keys, callback) {\n  var rv = {};\n\n  for (var i = keys.length - 1; i >= 0; i--) {\n    var key = keys[i];\n    var value = this.storage_.getItem(key);\n    if (typeof value == 'string') {\n      try {\n        rv[key] = JSON.parse(value);\n      } catch (e) {\n        // If we can't parse the value, just return it unparsed.\n        rv[key] = value;\n      }\n    } else {\n      keys.splice(i, 1);\n    }\n  }\n\n  setTimeout(callback.bind(null, rv), 0);\n};\n\n/**\n * Set a value in storage.\n *\n * @param {string} key The key for the value to be stored.\n * @param {*} value The value to be stored.  Anything that can be serialized\n *     with JSON is acceptable.\n * @param {function()} opt_callback Optional function to invoke when the\n *     set is complete.  You don't have to wait for the set to complete in order\n *     to read the value, since the local cache is updated synchronously.\n */\nlib.Storage.Local.prototype.setItem = function(key, value, opt_callback) {\n  this.storage_.setItem(key, JSON.stringify(value));\n\n  if (opt_callback)\n  setTimeout(opt_callback, 0);\n};\n\n/**\n * Set multiple values in storage.\n *\n * @param {Object} map A map of key/values to set in storage.\n * @param {function()} opt_callback Optional function to invoke when the\n *     set is complete.  You don't have to wait for the set to complete in order\n *     to read the value, since the local cache is updated synchronously.\n */\nlib.Storage.Local.prototype.setItems = function(obj, opt_callback) {\n  for (var key in obj) {\n    this.storage_.setItem(key, JSON.stringify(obj[key]));\n  }\n\n  if (opt_callback)\n  setTimeout(opt_callback, 0);\n};\n\n/**\n * Remove an item from storage.\n *\n * @param {string} key The key to be removed.\n * @param {function()} opt_callback Optional function to invoke when the\n *     remove is complete.  You don't have to wait for the set to complete in\n *     order to read the value, since the local cache is updated synchronously.\n */\nlib.Storage.Local.prototype.removeItem = function(key, opt_callback) {\n  this.storage_.removeItem(key);\n\n  if (opt_callback)\n  setTimeout(opt_callback, 0);\n};\n\n/**\n * Remove multiple items from storage.\n *\n * @param {Array} keys The keys to be removed.\n * @param {function()} opt_callback Optional function to invoke when the\n *     remove is complete.  You don't have to wait for the set to complete in\n *     order to read the value, since the local cache is updated synchronously.\n */\nlib.Storage.Local.prototype.removeItems = function(ary, opt_callback) {\n  for (var i = 0; i < ary.length; i++) {\n    this.storage_.removeItem(ary[i]);\n  }\n\n  if (opt_callback)\n  setTimeout(opt_callback, 0);\n};\n// SOURCE FILE: libdot/js/lib_storage_memory.js\n// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\n/**\n * In-memory storage class with an async interface that is interchangeable with\n * other lib.Storage.* implementations.\n */\nlib.Storage.Memory = function() {\n  this.observers_ = [];\n  this.storage_ = {};\n};\n\n/**\n * Register a function to observe storage changes.\n *\n * @param {function(map)} callback The function to invoke when the storage\n *     changes.\n */\nlib.Storage.Memory.prototype.addObserver = function(callback) {\n  this.observers_.push(callback);\n};\n\n/**\n * Unregister a change observer.\n *\n * @param {function} observer A previously registered callback.\n */\nlib.Storage.Memory.prototype.removeObserver = function(callback) {\n  var i = this.observers_.indexOf(callback);\n  if (i != -1)\n    this.observers_.splice(i, 1);\n};\n\n/**\n * Delete everything in this storage.\n *\n * @param {function(map)} callback The function to invoke when the delete\n *     has completed.\n */\nlib.Storage.Memory.prototype.clear = function(opt_callback) {\n  var e = {};\n  for (var key in this.storage_) {\n    e[key] = {oldValue: this.storage_[key], newValue: (void 0)};\n  }\n\n  this.storage_ = {};\n\n  setTimeout(function() {\n    for (var i = 0; i < this.observers_.length; i++) {\n      this.observers_[i](e);\n    }\n  }.bind(this), 0);\n\n  if (opt_callback)\n    setTimeout(opt_callback, 0);\n};\n\n/**\n * Return the current value of a storage item.\n *\n * @param {string} key The key to look up.\n * @param {function(value) callback The function to invoke when the value has\n *     been retrieved.\n */\nlib.Storage.Memory.prototype.getItem = function(key, callback) {\n  var value = this.storage_[key];\n\n  if (typeof value == 'string') {\n    try {\n      value = JSON.parse(value);\n    } catch (e) {\n      // If we can't parse the value, just return it unparsed.\n    }\n  }\n\n  setTimeout(callback.bind(null, value), 0);\n};\n\n/**\n * Fetch the values of multiple storage items.\n *\n * @param {Array} keys The keys to look up.\n * @param {function(map) callback The function to invoke when the values have\n *     been retrieved.\n */\nlib.Storage.Memory.prototype.getItems = function(keys, callback) {\n  var rv = {};\n\n  for (var i = keys.length - 1; i >= 0; i--) {\n    var key = keys[i];\n    var value = this.storage_[key];\n    if (typeof value == 'string') {\n      try {\n        rv[key] = JSON.parse(value);\n      } catch (e) {\n        // If we can't parse the value, just return it unparsed.\n        rv[key] = value;\n      }\n    } else {\n      keys.splice(i, 1);\n    }\n  }\n\n  setTimeout(callback.bind(null, rv), 0);\n};\n\n/**\n * Set a value in storage.\n *\n * @param {string} key The key for the value to be stored.\n * @param {*} value The value to be stored.  Anything that can be serialized\n *     with JSON is acceptable.\n * @param {function()} opt_callback Optional function to invoke when the\n *     set is complete.  You don't have to wait for the set to complete in order\n *     to read the value, since the local cache is updated synchronously.\n */\nlib.Storage.Memory.prototype.setItem = function(key, value, opt_callback) {\n  var oldValue = this.storage_[key];\n  this.storage_[key] = JSON.stringify(value);\n\n  var e = {};\n  e[key] = {oldValue: oldValue, newValue: value};\n\n  setTimeout(function() {\n    for (var i = 0; i < this.observers_.length; i++) {\n      this.observers_[i](e);\n    }\n  }.bind(this), 0);\n\n  if (opt_callback)\n  setTimeout(opt_callback, 0);\n};\n\n/**\n * Set multiple values in storage.\n *\n * @param {Object} map A map of key/values to set in storage.\n * @param {function()} opt_callback Optional function to invoke when the\n *     set is complete.  You don't have to wait for the set to complete in order\n *     to read the value, since the local cache is updated synchronously.\n */\nlib.Storage.Memory.prototype.setItems = function(obj, opt_callback) {\n  var e = {};\n\n  for (var key in obj) {\n    e[key] = {oldValue: this.storage_[key], newValue: obj[key]};\n    this.storage_[key] = JSON.stringify(obj[key]);\n  }\n\n  setTimeout(function() {\n    for (var i = 0; i < this.observers_.length; i++) {\n      this.observers_[i](e);\n    }\n  }.bind(this));\n\n  if (opt_callback)\n  setTimeout(opt_callback, 0);\n};\n\n/**\n * Remove an item from storage.\n *\n * @param {string} key The key to be removed.\n * @param {function()} opt_callback Optional function to invoke when the\n *     remove is complete.  You don't have to wait for the set to complete in\n *     order to read the value, since the local cache is updated synchronously.\n */\nlib.Storage.Memory.prototype.removeItem = function(key, opt_callback) {\n  delete this.storage_[key];\n\n  if (opt_callback)\n  setTimeout(opt_callback, 0);\n};\n\n/**\n * Remove multiple items from storage.\n *\n * @param {Array} keys The keys to be removed.\n * @param {function()} opt_callback Optional function to invoke when the\n *     remove is complete.  You don't have to wait for the set to complete in\n *     order to read the value, since the local cache is updated synchronously.\n */\nlib.Storage.Memory.prototype.removeItems = function(ary, opt_callback) {\n  for (var i = 0; i < ary.length; i++) {\n    delete this.storage_[ary[i]];\n  }\n\n  if (opt_callback)\n  setTimeout(opt_callback, 0);\n};\n// SOURCE FILE: libdot/js/lib_test_manager.js\n// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\n/**\n * @fileoverview JavaScript unit testing framework for synchronous and\n *     asynchronous tests.\n *\n * This file contains the lib.TestManager and related classes.  At the moment\n * it's all collected in a single file since it's reasonably small\n * (=~1k lines), and it's a lot easier to include one file into your test\n * harness than it is to include seven.\n *\n * The following classes are defined...\n *\n *   lib.TestManager - The root class and entrypoint for creating test runs.\n *   lib.TestManager.Log - Logging service.\n *   lib.TestManager.Suite - A collection of tests.\n *   lib.TestManager.Test - A single test.\n *   lib.TestManager.TestRun - Manages the execution of a set of tests.\n *   lib.TestManager.Result - A single test result.\n */\n\n/**\n * Root object in the unit test hierarchy, and keeper of the log object.\n *\n * @param {lib.TestManager.Log} opt_log Optional lib.TestManager.Log object.\n *     Logs to the JavaScript console if omitted.\n */\nlib.TestManager = function(opt_log) {\n  this.log = opt_log || new lib.TestManager.Log();\n}\n\n/**\n * Create a new test run object for this test manager.\n *\n * @param {Object} opt_cx An object to be passed to test suite setup(),\n *     preamble(), and test cases during this test run.  This object is opaque\n *     to lib.TestManager.* code.  It's entirely up to the test suite what it's\n *     used for.\n */\nlib.TestManager.prototype.createTestRun = function(opt_cx) {\n  return new lib.TestManager.TestRun(this, opt_cx);\n};\n\n/**\n * Called when a test run associated with this test manager completes.\n *\n * Clients may override this to call an appropriate function.\n */\nlib.TestManager.prototype.onTestRunComplete = function(testRun) {};\n\n/**\n * Called before a test associated with this test manager is run.\n *\n * @param {lib.TestManager.Result} result The result object for the upcoming\n *     test.\n * @param {Object} cx The context object for a test run.\n */\nlib.TestManager.prototype.testPreamble = function(result, cx) {};\n\n/**\n * Called after a test associated with this test manager finishes.\n *\n * @param {lib.TestManager.Result} result The result object for the finished\n *     test.\n * @param {Object} cx The context object for a test run.\n */\nlib.TestManager.prototype.testPostamble = function(result, cx) {};\n\n/**\n * Destination for test case output.\n *\n * Thw API will be the same as the console object.  e.g. We support info(),\n * warn(), error(), etc... just like console.info(), etc...\n *\n * @param {Object} opt_console The console object to route all logging through.\n *     Should provide saome API as the standard console API.\n */\nlib.TestManager.Log = function(opt_console=console) {\n  this.save = false;\n  this.data = '';\n  this.prefix_ = '';\n  this.prefixStack_ = 0;\n\n  // Capture all the console entry points in case code at runtime calls these\n  // directly.  We want to be able to still see things.\n  // We also expose the direct API to our callers (e.g. we provide warn()).\n  this.console_ = opt_console;\n  ['log', 'debug', 'info', 'warn', 'error'].forEach((level) => {\n    let msgPrefix = '';\n    switch (level) {\n      case 'debug':\n      case 'warn':\n      case 'error':\n        msgPrefix = level.toUpperCase() + ': ';\n        break;\n    }\n\n    const oLog = this.console_[level];\n    this[level] = this.console_[level] = (...args) => {\n      if (this.save)\n        this.data += this.prefix_ + msgPrefix + args.join(' ') + '\\n';\n      oLog.apply(this.console_, args);\n    };\n  });\n\n  // Wrap/bind the group functions.\n  ['group', 'groupCollapsed'].forEach((group) => {\n    const oGroup = this.console_[group];\n    this[group] = this.console_[group] = (label='') => {\n      oGroup(label);\n      if (this.save)\n        this.data += this.prefix_ + label + '\\n';\n      this.prefix_ = '  '.repeat(++this.prefixStack_);\n    };\n  });\n\n  const oGroupEnd = this.console_.groupEnd;\n  this.groupEnd = this.console_.groupEnd = () => {\n    oGroupEnd();\n    this.prefix_ = '  '.repeat(--this.prefixStack_);\n  };\n};\n\n/**\n * Returns a new constructor function that will inherit from\n * lib.TestManager.Suite.\n *\n * Use this function to create a new test suite subclass.  It will return a\n * properly initialized constructor function for the subclass.  You can then\n * override the setup() and preamble() methods if necessary and add test cases\n * to the subclass.\n *\n *   var MyTests = new lib.TestManager.Suite('MyTests');\n *\n *   MyTests.prototype.setup = function(cx) {\n *     // Sets this.size to cx.size if it exists, or the default value of 10\n *     // if not.\n *     this.setDefault(cx, {size: 10});\n *   };\n *\n *   MyTests.prototype.preamble = function(result, cx) {\n *     // Some tests (even successful ones) may side-effect this list, so\n *     // recreate it before every test.\n *     this.list = [];\n *     for (var i = 0; i < this.size; i++) {\n *       this.list[i] = i;\n *     }\n *   };\n *\n *   // Basic synchronous test case.\n *   MyTests.addTest('pop-length', function(result, cx) {\n *       this.list.pop();\n *\n *       // If this assertion fails, the testcase will stop here.\n *       result.assertEQ(this.list.length, this.size - 1);\n *\n *       // A test must indicate it has passed by calling this method.\n *       result.pass();\n *     });\n *\n *   // Sample asynchronous test case.\n *   MyTests.addTest('async-pop-length', function(result, cx) {\n *       var self = this;\n *\n *       var callback = function() {\n *           result.assertEQ(self.list.length, self.size - 1);\n *           result.pass();\n *       };\n *\n *       // Wait 100ms to check the array length for the sake of this example.\n *       setTimeout(callback, 100);\n *\n *       this.list.pop();\n *\n *       // Indicate that this test needs another 200ms to complete.\n *       // If the test does not report pass/fail by then, it is considered to\n *       // have timed out.\n *       result.requestTime(200);\n *     });\n *\n *   ...\n *\n * @param {string} suiteName The name of the test suite.\n */\nlib.TestManager.Suite = function(suiteName) {\n  function ctor(testManager, cx) {\n    this.testManager_ = testManager;\n    this.suiteName = suiteName;\n\n    this.setup(cx);\n  }\n\n  ctor.suiteName = suiteName;\n  ctor.addTest = lib.TestManager.Suite.addTest;\n  ctor.disableTest = lib.TestManager.Suite.disableTest;\n  ctor.getTest = lib.TestManager.Suite.getTest;\n  ctor.getTestList = lib.TestManager.Suite.getTestList;\n  ctor.testList_ = [];\n  ctor.testMap_ = {};\n  ctor.prototype = Object.create(lib.TestManager.Suite.prototype);\n  ctor.constructor = lib.TestManager.Suite;\n\n  lib.TestManager.Suite.subclasses.push(ctor);\n\n  return ctor;\n};\n\n/**\n * List of lib.TestManager.Suite subclasses, in the order they were defined.\n */\nlib.TestManager.Suite.subclasses = [];\n\n/**\n * Add a test to a lib.TestManager.Suite.\n *\n * This method is copied to new subclasses when they are created.\n */\nlib.TestManager.Suite.addTest = function(testName, testFunction) {\n  if (testName in this.testMap_)\n    throw 'Duplicate test name: ' + testName;\n\n  var test = new lib.TestManager.Test(this, testName, testFunction);\n  this.testMap_[testName] = test;\n  this.testList_.push(test);\n};\n\n/**\n * Defines a disabled test.\n */\nlib.TestManager.Suite.disableTest = function(testName, testFunction) {\n  if (testName in this.testMap_)\n    throw 'Duplicate test name: ' + testName;\n\n  var test = new lib.TestManager.Test(this, testName, testFunction);\n  console.log('Disabled test: ' + test.fullName);\n};\n\n/**\n * Get a lib.TestManager.Test instance by name.\n *\n * This method is copied to new subclasses when they are created.\n *\n * @param {string} testName The name of the desired test.\n * @return {lib.TestManager.Test} The requested test, or undefined if it was not\n *     found.\n */\nlib.TestManager.Suite.getTest = function(testName) {\n  return this.testMap_[testName];\n};\n\n/**\n * Get an array of lib.TestManager.Tests associated with this Suite.\n *\n * This method is copied to new subclasses when they are created.\n */\nlib.TestManager.Suite.getTestList = function() {\n  return this.testList_;\n};\n\n/**\n * Set properties on a test suite instance, pulling the property value from\n * the context if it exists and from the defaults dictionary if not.\n *\n * This is intended to be used in your test suite's setup() method to\n * define parameters for the test suite which may be overridden through the\n * context object.  For example...\n *\n *   MySuite.prototype.setup = function(cx) {\n *     this.setDefaults(cx, {size: 10});\n *   };\n *\n * If the context object has a 'size' property then this.size will be set to\n * the value of cx.size, otherwise this.size will get a default value of 10.\n *\n * @param {Object} cx The context object for a test run.\n * @param {Object} defaults An object containing name/value pairs to set on\n *     this test suite instance.  The value listed here will be used if the\n *     name is not defined on the context object.\n */\nlib.TestManager.Suite.prototype.setDefaults = function(cx, defaults) {\n  for (var k in defaults) {\n    this[k] = (k in cx) ? cx[k] : defaults[k];\n  }\n};\n\n/**\n * Subclassable method called to set up the test suite.\n *\n * The default implementation of this method is a no-op.  If your test suite\n * requires some kind of suite-wide setup, this is the place to do it.\n *\n * It's fine to store state on the test suite instance, that state will be\n * accessible to all tests in the suite.  If any test case fails, the entire\n * test suite object will be discarded and a new one will be created for\n * the remaining tests.\n *\n * Any side effects outside of this test suite instance must be idempotent.\n * For example, if you're adding DOM nodes to a document, make sure to first\n * test that they're not already there.  If they are, remove them rather than\n * reuse them.  You should not count on their state, since they were probably\n * left behind by a failed testcase.\n *\n * Any exception here will abort the remainder of the test run.\n *\n * @param {Object} cx The context object for a test run.\n */\nlib.TestManager.Suite.prototype.setup = function(cx) {};\n\n/**\n * Subclassable method called to do pre-test set up.\n *\n * The default implementation of this method is a no-op.  If your test suite\n * requires some kind of pre-test setup, this is the place to do it.\n *\n * This can be used to avoid a bunch of boilerplate setup/teardown code in\n * this suite's testcases.\n *\n * Any exception here will abort the remainder of the test run.\n *\n * @param {lib.TestManager.Result} result The result object for the upcoming\n *     test.\n * @param {Object} cx The context object for a test run.\n */\nlib.TestManager.Suite.prototype.preamble = function(result, cx) {};\n\n/**\n * Subclassable method called to do post-test tear-down.\n *\n * The default implementation of this method is a no-op.  If your test suite\n * requires some kind of pre-test setup, this is the place to do it.\n *\n * This can be used to avoid a bunch of boilerplate setup/teardown code in\n * this suite's testcases.\n *\n * Any exception here will abort the remainder of the test run.\n *\n * @param {lib.TestManager.Result} result The result object for the finished\n *     test.\n * @param {Object} cx The context object for a test run.\n */\nlib.TestManager.Suite.prototype.postamble = function(result, cx) {};\n\n/**\n * Object representing a single test in a test suite.\n *\n * These are created as part of the lib.TestManager.Suite.addTest() method.\n * You should never have to construct one by hand.\n *\n * @param {lib.TestManager.Suite} suiteClass The test suite class containing\n *     this test.\n * @param {string} testName The local name of this test case, not including the\n *     test suite name.\n * @param {function(lib.TestManager.Result, Object)} testFunction The function\n *     to invoke for this test case.  This is passed a Result instance and the\n *     context object associated with the test run.\n *\n */\nlib.TestManager.Test = function(suiteClass, testName, testFunction) {\n  /**\n   * The test suite class containing this function.\n   */\n  this.suiteClass = suiteClass;\n\n  /**\n   * The local name of this test, not including the test suite name.\n   */\n  this.testName = testName;\n\n  /**\n   * The global name of this test, including the test suite name.\n   */\n  this.fullName = suiteClass.suiteName + '[' + testName + ']';\n\n  // The function to call for this test.\n  this.testFunction_ = testFunction;\n};\n\n/**\n * Execute this test.\n *\n * This is called by a lib.TestManager.Result instance, as part of a\n * lib.TestManager.TestRun.  You should not call it by hand.\n *\n * @param {lib.TestManager.Result} result The result object for the test.\n */\nlib.TestManager.Test.prototype.run = function(result) {\n  try {\n    // Tests are applied to the parent lib.TestManager.Suite subclass.\n    this.testFunction_.apply(result.suite,\n                             [result, result.testRun.cx]);\n  } catch (ex) {\n    if (ex instanceof lib.TestManager.Result.TestComplete)\n      return;\n\n    result.println('Test raised an exception: ' + ex);\n\n    if (ex.stack) {\n      if (ex.stack instanceof Array) {\n        result.println(ex.stack.join('\\n'));\n      } else {\n        result.println(ex.stack);\n      }\n    }\n\n    result.completeTest_(result.FAILED, false);\n  }\n};\n\n/**\n * Used to choose a set of tests and run them.\n *\n * It's slightly more convenient to construct one of these from\n * lib.TestManager.prototype.createTestRun().\n *\n * @param {lib.TestManager} testManager The testManager associated with this\n *     TestRun.\n * @param {Object} cx A context to be passed into the tests.  This can be used\n *     to set parameters for the test suite or individual test cases.\n */\nlib.TestManager.TestRun = function(testManager, cx) {\n  /**\n   * The associated lib.TestManager instance.\n   */\n  this.testManager = testManager;\n\n  /**\n   * Shortcut to the lib.TestManager's log.\n   */\n  this.log = testManager.log;\n\n  /**\n   * The test run context.  It's entirely up to the test suite and test cases\n   * how this is used.  It is opaque to lib.TestManager.* classes.\n   */\n  this.cx = cx || {};\n\n  /**\n   * The list of test cases that encountered failures.\n   */\n  this.failures = [];\n\n  /**\n   * The list of test cases that passed.\n   */\n  this.passes = [];\n\n  /**\n   * The time the test run started, or null if it hasn't been started yet.\n   */\n  this.startDate = null;\n\n  /**\n   * The time in milliseconds that the test run took to complete, or null if\n   * it hasn't completed yet.\n   */\n  this.duration = null;\n\n  /**\n   * The most recent result object, or null if the test run hasn't started\n   * yet.  In order to detect late failures, this is not cleared when the test\n   * completes.\n   */\n  this.currentResult = null;\n\n  /**\n   * Number of maximum failures.  The test run will stop when this number is\n   * reached.  If 0 or omitted, the entire set of selected tests is run, even\n   * if some fail.\n   */\n  this.maxFailures = 0;\n\n  /**\n   * True if this test run ended early because of an unexpected condition.\n   */\n  this.panic = false;\n\n  // List of pending test cases.\n  this.testQueue_ = [];\n\n};\n\n/**\n * This value can be passed to select() to indicate that all tests should\n * be selected.\n */\nlib.TestManager.TestRun.prototype.ALL_TESTS = lib.f.createEnum('<all-tests>');\n\n/**\n * Add a single test to the test run.\n */\nlib.TestManager.TestRun.prototype.selectTest = function(test) {\n  this.testQueue_.push(test);\n};\n\nlib.TestManager.TestRun.prototype.selectSuite = function(\n    suiteClass, opt_pattern) {\n  var pattern = opt_pattern || this.ALL_TESTS;\n  var selectCount = 0;\n  var testList = suiteClass.getTestList();\n\n  for (var j = 0; j < testList.length; j++) {\n    var test = testList[j];\n    // Note that we're using \"!==\" rather than \"!=\" so that we're matching\n    // the ALL_TESTS String object, rather than the contents of the string.\n    if (pattern !== this.ALL_TESTS) {\n      if (pattern instanceof RegExp) {\n        if (!pattern.test(test.testName))\n          continue;\n      } else if (test.testName != pattern) {\n        continue;\n      }\n    }\n\n    this.selectTest(test);\n    selectCount++;\n  }\n\n  return selectCount;\n};\n\n/**\n * Selects one or more tests to gather results for.\n *\n * Selecting the same test more than once is allowed.\n *\n * @param {string|RegExp} pattern Pattern used to select tests.\n *     If TestRun.prototype.ALL_TESTS, all tests are selected.\n *     If a string, only the test that exactly matches is selected.\n *     If a RegExp, only tests matching the RegExp are added.\n *\n * @return {int} The number of additional tests that have been selected into\n *     this TestRun.\n */\nlib.TestManager.TestRun.prototype.selectPattern = function(pattern) {\n  var selectCount = 0;\n\n  for (var i = 0; i < lib.TestManager.Suite.subclasses.length; i++) {\n    selectCount += this.selectSuite(lib.TestManager.Suite.subclasses[i],\n                                    pattern);\n  }\n\n  if (!selectCount) {\n    this.log.warn('No tests matched selection criteria: ' + pattern);\n  }\n\n  return selectCount;\n};\n\n/**\n * Hooked up to window.onerror during a test run in order to catch exceptions\n * that would otherwise go uncaught.\n */\nlib.TestManager.TestRun.prototype.onUncaughtException_ = function(\n    message, file, line) {\n\n  if (message.indexOf('Uncaught lib.TestManager.Result.TestComplete') == 0 ||\n      message.indexOf('status: passed') != -1) {\n    // This is a result.pass() or result.fail() call from a callback.  We're\n    // already going to deal with it as part of the completeTest_() call\n    // that raised it.  We can safely squelch this error message.\n    return true;\n  }\n\n  if (!this.currentResult)\n    return;\n\n  if (message == 'Uncaught ' + this.currentResult.expectedErrorMessage_) {\n    // Test cases may need to raise an unhandled exception as part of the test.\n    return;\n  }\n\n  var when = 'during';\n\n  if (this.currentResult.status != this.currentResult.PENDING)\n    when = 'after';\n\n  this.log.error('Uncaught exception ' + when + ' test case: ' +\n                 this.currentResult.test.fullName);\n  this.log.error(message + ', ' + file + ':' + line);\n\n  this.currentResult.completeTest_(this.currentResult.FAILED, false);\n\n  return false;\n};\n\n/**\n * Called to when this test run has completed.\n *\n * This method typically re-runs itself asynchronously, in order to let the\n * DOM stabilize and short-term timeouts to complete before declaring the\n * test run complete.\n *\n * @param {boolean} opt_skipTimeout If true, the timeout is skipped and the\n *     test run is completed immediately.  This should only be used from within\n *     this function.\n */\nlib.TestManager.TestRun.prototype.onTestRunComplete_ = function(\n    opt_skipTimeout) {\n  if (!opt_skipTimeout) {\n    // The final test may have left a lingering setTimeout(..., 0), or maybe\n    // poked at the DOM in a way that will trigger a event to fire at the end\n    // of this stack, so we give things a chance to settle down before our\n    // final cleanup...\n    setTimeout(this.onTestRunComplete_.bind(this), 0, true);\n    return;\n  }\n\n  this.duration = (new Date()) - this.startDate;\n\n  this.log.groupEnd();\n  this.log.info(this.passes.length + ' passed, ' +\n                this.failures.length + ' failed, '  +\n                this.msToSeconds_(this.duration));\n\n  this.summarize();\n\n  window.onerror = null;\n\n  this.testManager.onTestRunComplete(this);\n};\n\n/**\n * Called by the lib.TestManager.Result object when a test completes.\n *\n * @param {lib.TestManager.Result} result The result object which has just\n *     completed.\n */\nlib.TestManager.TestRun.prototype.onResultComplete = function(result) {\n  try {\n    this.testManager.testPostamble(result, this.cx);\n    result.suite.postamble(result, this.ctx);\n  } catch (ex) {\n    this.log.error('Unexpected exception in postamble: ' +\n                   (ex.stack ? ex.stack : ex));\n    this.panic = true;\n  }\n\n  if (result.status != result.PASSED)\n    this.log.error(result.status);\n  else if (result.duration > 500)\n    this.log.warn('Slow test took ' + this.msToSeconds_(result.duration));\n  this.log.groupEnd();\n\n  if (result.status == result.FAILED) {\n    this.failures.push(result);\n    this.currentSuite = null;\n  } else if (result.status == result.PASSED) {\n    this.passes.push(result);\n  } else {\n    this.log.error('Unknown result status: ' + result.test.fullName + ': ' +\n                   result.status);\n    return this.panic = true;\n  }\n\n  this.runNextTest_();\n};\n\n/**\n * Called by the lib.TestManager.Result object when a test which has already\n * completed reports another completion.\n *\n * This is usually indicative of a buggy testcase.  It is probably reporting a\n * result on exit and then again from an asynchronous callback.\n *\n * It may also be the case that the last act of the testcase causes a DOM change\n * which triggers some event to run after the test returns.  If the event\n * handler reports a failure or raises an uncaught exception, the test will\n * fail even though it has already completed.\n *\n * In any case, re-completing a test ALWAYS moves it into the failure pile.\n *\n * @param {lib.TestManager.Result} result The result object which has just\n *     completed.\n * @param {string} lateStatus The status that the test attempted to record this\n *     time around.\n */\nlib.TestManager.TestRun.prototype.onResultReComplete = function(\n    result, lateStatus) {\n  this.log.error('Late complete for test: ' + result.test.fullName + ': ' +\n                 lateStatus);\n\n  // Consider any late completion a failure, even if it's a double-pass, since\n  // it's a misuse of the testing API.\n  var index = this.passes.indexOf(result);\n  if (index >= 0) {\n    this.passes.splice(index, 1);\n    this.failures.push(result);\n  }\n};\n\n/**\n * Run the next test in the queue.\n */\nlib.TestManager.TestRun.prototype.runNextTest_ = function() {\n  if (this.panic || !this.testQueue_.length)\n    return this.onTestRunComplete_();\n\n  if (this.maxFailures && this.failures.length >= this.maxFailures) {\n    this.log.error('Maximum failure count reached, aborting test run.');\n    return this.onTestRunComplete_();\n  }\n\n  // Peek at the top test first.  We remove it later just before it's about\n  // to run, so that we don't disturb the incomplete test count in the\n  // event that we fail before running it.\n  var test = this.testQueue_[0];\n  var suite = this.currentResult ? this.currentResult.suite : null;\n\n  try {\n    if (!suite || !(suite instanceof test.suiteClass)) {\n      if (suite)\n        this.log.groupEnd();\n      this.log.group(test.suiteClass.suiteName);\n      suite = new test.suiteClass(this.testManager, this.cx);\n    }\n  } catch (ex) {\n    // If test suite setup fails we're not even going to try to run the tests.\n    this.log.error('Exception during setup: ' + (ex.stack ? ex.stack : ex));\n    this.panic = true;\n    this.onTestRunComplete_();\n    return;\n  }\n\n  try {\n    this.log.group(test.testName);\n\n    this.currentResult = new lib.TestManager.Result(this, suite, test);\n    this.testManager.testPreamble(this.currentResult, this.cx);\n    suite.preamble(this.currentResult, this.cx);\n\n    this.testQueue_.shift();\n  } catch (ex) {\n    this.log.error('Unexpected exception during test preamble: ' +\n                   (ex.stack ? ex.stack : ex));\n    this.log.groupEnd();\n\n    this.panic = true;\n    this.onTestRunComplete_();\n    return;\n  }\n\n  try {\n    this.currentResult.run();\n  } catch (ex) {\n    // Result.run() should catch test exceptions and turn them into failures.\n    // If we got here, it means there is trouble in the testing framework.\n    this.log.error('Unexpected exception during test run: ' +\n                   (ex.stack ? ex.stack : ex));\n    this.panic = true;\n  }\n};\n\n/**\n * Run the selected list of tests.\n *\n * Some tests may need to run asynchronously, so you cannot assume the run is\n * complete when this function returns.  Instead, pass in a function to be\n * called back when the run has completed.\n *\n * This function will log the results of the test run as they happen into the\n * log defined by the associated lib.TestManager.  By default this is\n * console.log, which can be viewed in the JavaScript console of most browsers.\n *\n * The browser state is determined by the last test to run.  We intentionally\n * don't do any cleanup so that you can inspect the state of a failed test, or\n * leave the browser ready for manual testing.\n *\n * Any failures in lib.TestManager.* code or test suite setup or test case\n * preamble will cause the test run to abort.\n */\nlib.TestManager.TestRun.prototype.run = function() {\n  this.log.info('Running ' + this.testQueue_.length + ' test(s)');\n\n  window.onerror = this.onUncaughtException_.bind(this);\n  this.startDate = new Date();\n  this.runNextTest_();\n};\n\n/**\n * Format milliseconds as fractional seconds.\n */\nlib.TestManager.TestRun.prototype.msToSeconds_ = function(ms) {\n  var secs = (ms / 1000).toFixed(2);\n  return secs + 's';\n};\n\n/**\n * Log the current result summary.\n */\nlib.TestManager.TestRun.prototype.summarize = function() {\n  if (this.failures.length) {\n    for (var i = 0; i < this.failures.length; i++) {\n      this.log.error('FAILED: ' + this.failures[i].test.fullName);\n    }\n  }\n\n  if (this.testQueue_.length) {\n    this.log.warn('Test run incomplete: ' + this.testQueue_.length +\n                  ' test(s) were not run.');\n  }\n};\n\n/**\n * Record of the result of a single test.\n *\n * These are constructed during a test run, you shouldn't have to make one\n * on your own.\n *\n * An instance of this class is passed in to each test function.  It can be\n * used to add messages to the test log, to record a test pass/fail state, to\n * test assertions, or to create exception-proof wrappers for callback\n * functions.\n *\n * @param {lib.TestManager.TestRun} testRun The TestRun instance associated with\n *     this result.\n * @param {lib.TestManager.Suit} suite The Suite containing the test we're\n *     collecting this result for.\n * @param {lib.TestManager.Test} test The test we're collecting this result for.\n */\nlib.TestManager.Result = function(testRun, suite, test) {\n  /**\n   * The TestRun instance associated with this result.\n   */\n  this.testRun = testRun;\n\n  /**\n   * The Suite containing the test we're collecting this result for.\n   */\n  this.suite = suite;\n\n  /**\n   * The test we're collecting this result for.\n   */\n  this.test = test;\n\n  /**\n   * The time we started to collect this result, or null if we haven't started.\n   */\n  this.startDate = null;\n\n  /**\n   * The time in milliseconds that the test took to complete, or null if\n   * it hasn't completed yet.\n   */\n  this.duration = null;\n\n  /**\n   * The current status of this test result.\n   */\n  this.status = this.PENDING;\n\n  // An error message that the test case is expected to generate.\n  this.expectedErrorMessage_ = null;\n};\n\n/**\n * Possible values for this.status.\n */\nlib.TestManager.Result.prototype.PENDING = 'pending';\nlib.TestManager.Result.prototype.FAILED  = 'FAILED';\nlib.TestManager.Result.prototype.PASSED  = 'passed';\n\n/**\n * Exception thrown when a test completes (pass or fail), to ensure no more of\n * the test is run.\n */\nlib.TestManager.Result.TestComplete = function(result) {\n  this.result = result;\n};\n\nlib.TestManager.Result.TestComplete.prototype.toString = function() {\n  return 'lib.TestManager.Result.TestComplete: ' + this.result.test.fullName +\n      ', status: ' + this.result.status;\n}\n\n/**\n * Start the test associated with this result.\n */\nlib.TestManager.Result.prototype.run = function() {\n  var self = this;\n\n  this.startDate = new Date();\n  this.test.run(this);\n\n  if (this.status == this.PENDING && !this.timeout_) {\n    this.println('Test did not return a value and did not request more time.');\n    this.completeTest_(this.FAILED, false);\n  }\n};\n\n/**\n * Unhandled error message this test expects to generate.\n *\n * This must be the exact string that would appear in the JavaScript console,\n * minus the 'Uncaught ' prefix.\n *\n * The test case does *not* automatically fail if the error message is not\n * encountered.\n */\nlib.TestManager.Result.prototype.expectErrorMessage = function(str) {\n  this.expectedErrorMessage_ = str;\n};\n\n/**\n * Function called when a test times out.\n */\nlib.TestManager.Result.prototype.onTimeout_ = function() {\n  this.timeout_ = null;\n\n  if (this.status != this.PENDING)\n    return;\n\n  this.println('Test timed out.');\n  this.completeTest_(this.FAILED, false);\n};\n\n/**\n * Indicate that a test case needs more time to complete.\n *\n * Before a test case returns it must report a pass/fail result, or request more\n * time to do so.\n *\n * If a test does not report pass/fail before the time expires it will\n * be reported as a timeout failure.  Any late pass/fails will be noted in the\n * test log, but will not affect the final result of the test.\n *\n * Test cases may call requestTime more than once.  If you have a few layers\n * of asynchronous API to go through, you should call this once per layer with\n * an estimate of how long each callback will take to complete.\n *\n * @param {int} ms Number of milliseconds requested.\n */\nlib.TestManager.Result.prototype.requestTime = function(ms) {\n  if (this.timeout_)\n    clearTimeout(this.timeout_);\n\n  this.timeout_ = setTimeout(this.onTimeout_.bind(this), ms);\n};\n\n/**\n * Report the completion of a test.\n *\n * @param {string} status The status of the test case.\n * @param {boolean} opt_throw Optional boolean indicating whether or not\n *     to throw the TestComplete exception.\n */\nlib.TestManager.Result.prototype.completeTest_ = function(status, opt_throw) {\n  if (this.status == this.PENDING) {\n    this.duration = (new Date()) - this.startDate;\n    this.status = status;\n\n    this.testRun.onResultComplete(this);\n  } else {\n    this.testRun.onResultReComplete(this, status);\n  }\n\n  if (arguments.length < 2 || opt_throw)\n    throw new lib.TestManager.Result.TestComplete(this);\n};\n\n/**\n * Check that two arrays are equal.\n */\nlib.TestManager.Result.prototype.arrayEQ_ = function(actual, expected) {\n  if (!actual || !expected)\n    return (!actual && !expected);\n\n  if (actual.length != expected.length)\n    return false;\n\n  for (var i = 0; i < actual.length; ++i)\n    if (actual[i] != expected[i])\n      return false;\n\n  return true;\n};\n\n/**\n * Assert that an actual value is exactly equal to the expected value.\n *\n * This uses the JavaScript '===' operator in order to avoid type coercion.\n *\n * If the assertion fails, the test is marked as a failure and a TestCompleted\n * exception is thrown.\n *\n * @param {*} actual The actual measured value.\n * @param {*} expected The value expected.\n * @param {string} opt_name An optional name used to identify this\n *     assertion in the test log.  If omitted it will be the file:line\n *     of the caller.\n */\nlib.TestManager.Result.prototype.assertEQ = function(\n    actual, expected, opt_name) {\n  // Utility function to pretty up the log.\n  function format(value) {\n    if (typeof value == 'number')\n      return value;\n\n    var str = String(value);\n    var ary = str.split('\\n').map(function (e) { return JSON.stringify(e) });\n    if (ary.length > 1) {\n      // If the string has newlines, start it off on its own line so that\n      // it's easier to compare against another string with newlines.\n      return '\\n' + ary.join('\\n');\n    } else {\n      return ary.join('\\n');\n    }\n  }\n\n  if (actual === expected)\n    return;\n\n  // Deal with common object types since JavaScript can't.\n  if (expected instanceof Array)\n    if (this.arrayEQ_(actual, expected))\n      return;\n\n  var name = opt_name ? '[' + opt_name + ']' : '';\n\n  this.fail('assertEQ' + name + ': ' + this.getCallerLocation_(1) + ': ' +\n            format(actual) + ' !== ' + format(expected));\n};\n\n/**\n * Assert that a value is true.\n *\n * This uses the JavaScript '===' operator in order to avoid type coercion.\n * The must be the boolean value `true`, not just some \"truish\" value.\n *\n * If the assertion fails, the test is marked as a failure and a TestCompleted\n * exception is thrown.\n *\n * @param {boolean} actual The actual measured value.\n * @param {string} opt_name An optional name used to identify this\n *     assertion in the test log.  If omitted it will be the file:line\n *     of the caller.\n */\nlib.TestManager.Result.prototype.assert = function(actual, opt_name) {\n  if (actual === true)\n    return;\n\n  var name = opt_name ? '[' + opt_name + ']' : '';\n\n  this.fail('assert' + name + ': ' + this.getCallerLocation_(1) + ': ' +\n            String(actual));\n};\n\n/**\n * Return the filename:line of a calling stack frame.\n *\n * This uses a dirty hack.  It throws an exception, catches it, and examines\n * the stack property of the caught exception.\n *\n * @param {int} frameIndex The stack frame to return.  0 is the frame that\n *     called this method, 1 is its caller, and so on.\n * @return {string} A string of the format \"filename:linenumber\".\n */\nlib.TestManager.Result.prototype.getCallerLocation_ = function(frameIndex) {\n  try {\n    throw new Error();\n  } catch (ex) {\n    var frame = ex.stack.split('\\n')[frameIndex + 2];\n    var ary = frame.match(/([^/]+:\\d+):\\d+\\)?$/);\n    return ary ? ary[1] : '???';\n  }\n};\n\n/**\n * Write a message to the result log.\n */\nlib.TestManager.Result.prototype.println = function(message) {\n  this.testRun.log.info(message);\n};\n\n/**\n * Mark a failed test and exit out of the rest of the test.\n *\n * This will throw a TestCompleted exception, causing the current test to stop.\n *\n * @param {string} opt_message Optional message to add to the log.\n */\nlib.TestManager.Result.prototype.fail = function(opt_message) {\n  if (arguments.length)\n    this.println(opt_message);\n\n  this.completeTest_(this.FAILED, true);\n};\n\n/**\n * Mark a passed test and exit out of the rest of the test.\n *\n * This will throw a TestCompleted exception, causing the current test to stop.\n */\nlib.TestManager.Result.prototype.pass = function() {\n  this.completeTest_(this.PASSED, true);\n};\n// SOURCE FILE: libdot/js/lib_utf8.js\n// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\n// TODO(davidben): When the string encoding API is implemented,\n// replace this with the native in-browser implementation.\n//\n// https://wiki.whatwg.org/wiki/StringEncoding\n// https://encoding.spec.whatwg.org/\n\n/**\n * A stateful UTF-8 decoder.\n */\nlib.UTF8Decoder = function() {\n  // The number of bytes left in the current sequence.\n  this.bytesLeft = 0;\n  // The in-progress code point being decoded, if bytesLeft > 0.\n  this.codePoint = 0;\n  // The lower bound on the final code point, if bytesLeft > 0.\n  this.lowerBound = 0;\n};\n\n/**\n * Decodes a some UTF-8 data, taking into account state from previous\n * data streamed through the encoder.\n *\n * @param {String} str data to decode, represented as a JavaScript\n *     String with each code unit representing a byte between 0x00 to\n *     0xFF.\n * @return {String} The data decoded into a JavaScript UTF-16 string.\n */\nlib.UTF8Decoder.prototype.decode = function(str) {\n  var ret = '';\n  for (var i = 0; i < str.length; i++) {\n    var c = str.charCodeAt(i);\n    if (this.bytesLeft == 0) {\n      if (c <= 0x7F) {\n        ret += str.charAt(i);\n      } else if (0xC0 <= c && c <= 0xDF) {\n        this.codePoint = c - 0xC0;\n        this.bytesLeft = 1;\n        this.lowerBound = 0x80;\n      } else if (0xE0 <= c && c <= 0xEF) {\n        this.codePoint = c - 0xE0;\n        this.bytesLeft = 2;\n        this.lowerBound = 0x800;\n      } else if (0xF0 <= c && c <= 0xF7) {\n        this.codePoint = c - 0xF0;\n        this.bytesLeft = 3;\n        this.lowerBound = 0x10000;\n      } else if (0xF8 <= c && c <= 0xFB) {\n        this.codePoint = c - 0xF8;\n        this.bytesLeft = 4;\n        this.lowerBound = 0x200000;\n      } else if (0xFC <= c && c <= 0xFD) {\n        this.codePoint = c - 0xFC;\n        this.bytesLeft = 5;\n        this.lowerBound = 0x4000000;\n      } else {\n        ret += '\\ufffd';\n      }\n    } else {\n      if (0x80 <= c && c <= 0xBF) {\n        this.bytesLeft--;\n        this.codePoint = (this.codePoint << 6) + (c - 0x80);\n        if (this.bytesLeft == 0) {\n          // Got a full sequence. Check if it's within bounds and\n          // filter out surrogate pairs.\n          var codePoint = this.codePoint;\n          if (codePoint < this.lowerBound\n              || (0xD800 <= codePoint && codePoint <= 0xDFFF)\n              || codePoint > 0x10FFFF) {\n            ret += '\\ufffd';\n          } else {\n            // Encode as UTF-16 in the output.\n            if (codePoint < 0x10000) {\n              ret += String.fromCharCode(codePoint);\n            } else {\n              // Surrogate pair.\n              codePoint -= 0x10000;\n              ret += String.fromCharCode(\n                0xD800 + ((codePoint >>> 10) & 0x3FF),\n                0xDC00 + (codePoint & 0x3FF));\n            }\n          }\n        }\n      } else {\n        // Too few bytes in multi-byte sequence. Rewind stream so we\n        // don't lose the next byte.\n        ret += '\\ufffd';\n        this.bytesLeft = 0;\n        i--;\n      }\n    }\n  }\n  return ret;\n};\n\n/**\n * Decodes UTF-8 data. This is a convenience function for when all the\n * data is already known.\n *\n * @param {String} str data to decode, represented as a JavaScript\n *     String with each code unit representing a byte between 0x00 to\n *     0xFF.\n * @return {String} The data decoded into a JavaScript UTF-16 string.\n */\nlib.decodeUTF8 = function(utf8) {\n  return (new lib.UTF8Decoder()).decode(utf8);\n};\n\n/**\n * Encodes a UTF-16 string into UTF-8.\n *\n * TODO(davidben): Do we need a stateful version of this that can\n * handle a surrogate pair split in two calls? What happens if a\n * keypress event would have contained a character outside the BMP?\n *\n * @param {String} str The string to encode.\n * @return {String} The string encoded as UTF-8, as a JavaScript\n *     string with bytes represented as code units from 0x00 to 0xFF.\n */\nlib.encodeUTF8 = function(str) {\n  var ret = '';\n  for (var i = 0; i < str.length; i++) {\n    // Get a unicode code point out of str.\n    var c = str.charCodeAt(i);\n    if (0xDC00 <= c && c <= 0xDFFF) {\n      c = 0xFFFD;\n    } else if (0xD800 <= c && c <= 0xDBFF) {\n      if (i+1 < str.length) {\n        var d = str.charCodeAt(i+1);\n        if (0xDC00 <= d && d <= 0xDFFF) {\n          // Swallow a surrogate pair.\n          c = 0x10000 + ((c & 0x3FF) << 10) + (d & 0x3FF);\n          i++;\n        } else {\n          c = 0xFFFD;\n        }\n      } else {\n        c = 0xFFFD;\n      }\n    }\n\n    // Encode c in UTF-8.\n    var bytesLeft;\n    if (c <= 0x7F) {\n      ret += str.charAt(i);\n      continue;\n    } else if (c <= 0x7FF) {\n      ret += String.fromCharCode(0xC0 | (c >>> 6));\n      bytesLeft = 1;\n    } else if (c <= 0xFFFF) {\n      ret += String.fromCharCode(0xE0 | (c >>> 12));\n      bytesLeft = 2;\n    } else /* if (c <= 0x10FFFF) */ {\n      ret += String.fromCharCode(0xF0 | (c >>> 18));\n      bytesLeft = 3;\n    }\n\n    while (bytesLeft > 0) {\n      bytesLeft--;\n      ret += String.fromCharCode(0x80 | ((c >>> (6 * bytesLeft)) & 0x3F));\n    }\n  }\n  return ret;\n};\n// SOURCE FILE: libdot/third_party/wcwidth/lib_wc.js\n// Copyright (c) 2014 The Chromium OS Authors. All rights reserved.\n// Use of lib.wc source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\n/**\n * This JavaScript library is ported from the wcwidth.js module of node.js.\n * The original implementation can be found at:\n * https://npmjs.org/package/wcwidth.js\n */\n\n/**\n * JavaScript porting of Markus Kuhn's wcwidth() implementation\n *\n * The following explanation comes from the original C implementation:\n *\n * This is an implementation of wcwidth() and wcswidth() (defined in\n * IEEE Std 1002.1-2001) for Unicode.\n *\n * http://www.opengroup.org/onlinepubs/007904975/functions/wcwidth.html\n * http://www.opengroup.org/onlinepubs/007904975/functions/wcswidth.html\n *\n * In fixed-width output devices, Latin characters all occupy a single\n * \"cell\" position of equal width, whereas ideographic CJK characters\n * occupy two such cells. Interoperability between terminal-line\n * applications and (teletype-style) character terminals using the\n * UTF-8 encoding requires agreement on which character should advance\n * the cursor by how many cell positions. No established formal\n * standards exist at present on which Unicode character shall occupy\n * how many cell positions on character terminals. These routines are\n * a first attempt of defining such behavior based on simple rules\n * applied to data provided by the Unicode Consortium.\n *\n * For some graphical characters, the Unicode standard explicitly\n * defines a character-cell width via the definition of the East Asian\n * FullWidth (F), Wide (W), Half-width (H), and Narrow (Na) classes.\n * In all these cases, there is no ambiguity about which width a\n * terminal shall use. For characters in the East Asian Ambiguous (A)\n * class, the width choice depends purely on a preference of backward\n * compatibility with either historic CJK or Western practice.\n * Choosing single-width for these characters is easy to justify as\n * the appropriate long-term solution, as the CJK practice of\n * displaying these characters as double-width comes from historic\n * implementation simplicity (8-bit encoded characters were displayed\n * single-width and 16-bit ones double-width, even for Greek,\n * Cyrillic, etc.) and not any typographic considerations.\n *\n * Much less clear is the choice of width for the Not East Asian\n * (Neutral) class. Existing practice does not dictate a width for any\n * of these characters. It would nevertheless make sense\n * typographically to allocate two character cells to characters such\n * as for instance EM SPACE or VOLUME INTEGRAL, which cannot be\n * represented adequately with a single-width glyph. The following\n * routines at present merely assign a single-cell width to all\n * neutral characters, in the interest of simplicity. This is not\n * entirely satisfactory and should be reconsidered before\n * establishing a formal standard in lib.wc area. At the moment, the\n * decision which Not East Asian (Neutral) characters should be\n * represented by double-width glyphs cannot yet be answered by\n * applying a simple rule from the Unicode database content. Setting\n * up a proper standard for the behavior of UTF-8 character terminals\n * will require a careful analysis not only of each Unicode character,\n * but also of each presentation form, something the author of these\n * routines has avoided to do so far.\n *\n * http://www.unicode.org/unicode/reports/tr11/\n *\n * Markus Kuhn -- 2007-05-26 (Unicode 5.0)\n *\n * Permission to use, copy, modify, and distribute lib.wc software\n * for any purpose and without fee is hereby granted. The author\n * disclaims all warranties with regard to lib.wc software.\n *\n * Latest version: http://www.cl.cam.ac.uk/~mgk25/ucs/wcwidth.c\n */\n\n/**\n * The following function defines the column width of an ISO 10646 character\n * as follows:\n *\n *  - The null character (U+0000) has a column width of 0.\n *  - Other C0/C1 control characters and DEL will lead to a return value of -1.\n *  - Non-spacing and enclosing combining characters (general category code Mn\n *    or Me in the Unicode database) have a column width of 0.\n *  - SOFT HYPHEN (U+00AD) has a column width of 1.\n *  - Other format characters (general category code Cf in the Unicode database)\n *    and ZERO WIDTH SPACE (U+200B) have a column width of 0.\n *  - Hangul Jamo medial vowels and final consonants (U+1160-U+11FF) have a\n *    column width of 0.\n *  - Spacing characters in the East Asian Wide (W) or East Asian Full-width (F)\n *    category as defined in Unicode Technical Report #11 have a column width of\n *    2.\n *  - East Asian Ambiguous characters are taken into account if\n *    regardCjkAmbiguous flag is enabled. They have a column width of 2.\n *  - All remaining characters (including all printable ISO 8859-1 and WGL4\n *    characters, Unicode control characters, etc.) have a column width of 1.\n *\n * This implementation assumes that characters are encoded in ISO 10646.\n */\n\nlib.wc = {};\n\n// Width of a nul character.\nlib.wc.nulWidth = 0;\n\n// Width of a control character.\nlib.wc.controlWidth = 0;\n\n// Flag whether to consider East Asian Ambiguous characters.\nlib.wc.regardCjkAmbiguous = false;\n\n// Width of an East Asian Ambiguous character.\nlib.wc.cjkAmbiguousWidth = 2;\n\n// Sorted list of non-overlapping intervals of non-spacing characters\n// generated by \"uniset +cat=Me +cat=Mn +cat=Cf -00AD +1160-11FF +200B c\"\nlib.wc.combining = [\n    [ 0x0300, 0x036F ], [ 0x0483, 0x0486 ], [ 0x0488, 0x0489 ],\n    [ 0x0591, 0x05BD ], [ 0x05BF, 0x05BF ], [ 0x05C1, 0x05C2 ],\n    [ 0x05C4, 0x05C5 ], [ 0x05C7, 0x05C7 ], [ 0x0600, 0x0603 ],\n    [ 0x0610, 0x0615 ], [ 0x064B, 0x065E ], [ 0x0670, 0x0670 ],\n    [ 0x06D6, 0x06E4 ], [ 0x06E7, 0x06E8 ], [ 0x06EA, 0x06ED ],\n    [ 0x070F, 0x070F ], [ 0x0711, 0x0711 ], [ 0x0730, 0x074A ],\n    [ 0x07A6, 0x07B0 ], [ 0x07EB, 0x07F3 ], [ 0x0901, 0x0902 ],\n    [ 0x093C, 0x093C ], [ 0x0941, 0x0948 ], [ 0x094D, 0x094D ],\n    [ 0x0951, 0x0954 ], [ 0x0962, 0x0963 ], [ 0x0981, 0x0981 ],\n    [ 0x09BC, 0x09BC ], [ 0x09C1, 0x09C4 ], [ 0x09CD, 0x09CD ],\n    [ 0x09E2, 0x09E3 ], [ 0x0A01, 0x0A02 ], [ 0x0A3C, 0x0A3C ],\n    [ 0x0A41, 0x0A42 ], [ 0x0A47, 0x0A48 ], [ 0x0A4B, 0x0A4D ],\n    [ 0x0A70, 0x0A71 ], [ 0x0A81, 0x0A82 ], [ 0x0ABC, 0x0ABC ],\n    [ 0x0AC1, 0x0AC5 ], [ 0x0AC7, 0x0AC8 ], [ 0x0ACD, 0x0ACD ],\n    [ 0x0AE2, 0x0AE3 ], [ 0x0B01, 0x0B01 ], [ 0x0B3C, 0x0B3C ],\n    [ 0x0B3F, 0x0B3F ], [ 0x0B41, 0x0B43 ], [ 0x0B4D, 0x0B4D ],\n    [ 0x0B56, 0x0B56 ], [ 0x0B82, 0x0B82 ], [ 0x0BC0, 0x0BC0 ],\n    [ 0x0BCD, 0x0BCD ], [ 0x0C3E, 0x0C40 ], [ 0x0C46, 0x0C48 ],\n    [ 0x0C4A, 0x0C4D ], [ 0x0C55, 0x0C56 ], [ 0x0CBC, 0x0CBC ],\n    [ 0x0CBF, 0x0CBF ], [ 0x0CC6, 0x0CC6 ], [ 0x0CCC, 0x0CCD ],\n    [ 0x0CE2, 0x0CE3 ], [ 0x0D41, 0x0D43 ], [ 0x0D4D, 0x0D4D ],\n    [ 0x0DCA, 0x0DCA ], [ 0x0DD2, 0x0DD4 ], [ 0x0DD6, 0x0DD6 ],\n    [ 0x0E31, 0x0E31 ], [ 0x0E34, 0x0E3A ], [ 0x0E47, 0x0E4E ],\n    [ 0x0EB1, 0x0EB1 ], [ 0x0EB4, 0x0EB9 ], [ 0x0EBB, 0x0EBC ],\n    [ 0x0EC8, 0x0ECD ], [ 0x0F18, 0x0F19 ], [ 0x0F35, 0x0F35 ],\n    [ 0x0F37, 0x0F37 ], [ 0x0F39, 0x0F39 ], [ 0x0F71, 0x0F7E ],\n    [ 0x0F80, 0x0F84 ], [ 0x0F86, 0x0F87 ], [ 0x0F90, 0x0F97 ],\n    [ 0x0F99, 0x0FBC ], [ 0x0FC6, 0x0FC6 ], [ 0x102D, 0x1030 ],\n    [ 0x1032, 0x1032 ], [ 0x1036, 0x1037 ], [ 0x1039, 0x1039 ],\n    [ 0x1058, 0x1059 ], [ 0x1160, 0x11FF ], [ 0x135F, 0x135F ],\n    [ 0x1712, 0x1714 ], [ 0x1732, 0x1734 ], [ 0x1752, 0x1753 ],\n    [ 0x1772, 0x1773 ], [ 0x17B4, 0x17B5 ], [ 0x17B7, 0x17BD ],\n    [ 0x17C6, 0x17C6 ], [ 0x17C9, 0x17D3 ], [ 0x17DD, 0x17DD ],\n    [ 0x180B, 0x180D ], [ 0x18A9, 0x18A9 ], [ 0x1920, 0x1922 ],\n    [ 0x1927, 0x1928 ], [ 0x1932, 0x1932 ], [ 0x1939, 0x193B ],\n    [ 0x1A17, 0x1A18 ], [ 0x1B00, 0x1B03 ], [ 0x1B34, 0x1B34 ],\n    [ 0x1B36, 0x1B3A ], [ 0x1B3C, 0x1B3C ], [ 0x1B42, 0x1B42 ],\n    [ 0x1B6B, 0x1B73 ], [ 0x1DC0, 0x1DCA ], [ 0x1DFE, 0x1DFF ],\n    [ 0x200B, 0x200F ], [ 0x202A, 0x202E ], [ 0x2060, 0x2063 ],\n    [ 0x206A, 0x206F ], [ 0x20D0, 0x20EF ], [ 0x302A, 0x302F ],\n    [ 0x3099, 0x309A ], [ 0xA806, 0xA806 ], [ 0xA80B, 0xA80B ],\n    [ 0xA825, 0xA826 ], [ 0xFB1E, 0xFB1E ], [ 0xFE00, 0xFE0F ],\n    [ 0xFE20, 0xFE23 ], [ 0xFEFF, 0xFEFF ], [ 0xFFF9, 0xFFFB ],\n    [ 0x10A01, 0x10A03 ], [ 0x10A05, 0x10A06 ], [ 0x10A0C, 0x10A0F ],\n    [ 0x10A38, 0x10A3A ], [ 0x10A3F, 0x10A3F ], [ 0x1D167, 0x1D169 ],\n    [ 0x1D173, 0x1D182 ], [ 0x1D185, 0x1D18B ], [ 0x1D1AA, 0x1D1AD ],\n    [ 0x1D242, 0x1D244 ], [ 0xE0001, 0xE0001 ], [ 0xE0020, 0xE007F ],\n    [ 0xE0100, 0xE01EF ]\n];\n\n// Sorted list of non-overlapping intervals of East Asian Ambiguous characters\n// generated by \"uniset +WIDTH-A -cat=Me -cat=Mn -cat=Cf c\"\nlib.wc.ambiguous = [\n    [ 0x00A1, 0x00A1 ], [ 0x00A4, 0x00A4 ], [ 0x00A7, 0x00A8 ],\n    [ 0x00AA, 0x00AA ], [ 0x00AE, 0x00AE ], [ 0x00B0, 0x00B4 ],\n    [ 0x00B6, 0x00BA ], [ 0x00BC, 0x00BF ], [ 0x00C6, 0x00C6 ],\n    [ 0x00D0, 0x00D0 ], [ 0x00D7, 0x00D8 ], [ 0x00DE, 0x00E1 ],\n    [ 0x00E6, 0x00E6 ], [ 0x00E8, 0x00EA ], [ 0x00EC, 0x00ED ],\n    [ 0x00F0, 0x00F0 ], [ 0x00F2, 0x00F3 ], [ 0x00F7, 0x00FA ],\n    [ 0x00FC, 0x00FC ], [ 0x00FE, 0x00FE ], [ 0x0101, 0x0101 ],\n    [ 0x0111, 0x0111 ], [ 0x0113, 0x0113 ], [ 0x011B, 0x011B ],\n    [ 0x0126, 0x0127 ], [ 0x012B, 0x012B ], [ 0x0131, 0x0133 ],\n    [ 0x0138, 0x0138 ], [ 0x013F, 0x0142 ], [ 0x0144, 0x0144 ],\n    [ 0x0148, 0x014B ], [ 0x014D, 0x014D ], [ 0x0152, 0x0153 ],\n    [ 0x0166, 0x0167 ], [ 0x016B, 0x016B ], [ 0x01CE, 0x01CE ],\n    [ 0x01D0, 0x01D0 ], [ 0x01D2, 0x01D2 ], [ 0x01D4, 0x01D4 ],\n    [ 0x01D6, 0x01D6 ], [ 0x01D8, 0x01D8 ], [ 0x01DA, 0x01DA ],\n    [ 0x01DC, 0x01DC ], [ 0x0251, 0x0251 ], [ 0x0261, 0x0261 ],\n    [ 0x02C4, 0x02C4 ], [ 0x02C7, 0x02C7 ], [ 0x02C9, 0x02CB ],\n    [ 0x02CD, 0x02CD ], [ 0x02D0, 0x02D0 ], [ 0x02D8, 0x02DB ],\n    [ 0x02DD, 0x02DD ], [ 0x02DF, 0x02DF ], [ 0x0391, 0x03A1 ],\n    [ 0x03A3, 0x03A9 ], [ 0x03B1, 0x03C1 ], [ 0x03C3, 0x03C9 ],\n    [ 0x0401, 0x0401 ], [ 0x0410, 0x044F ], [ 0x0451, 0x0451 ],\n    [ 0x2010, 0x2010 ], [ 0x2013, 0x2016 ], [ 0x2018, 0x2019 ],\n    [ 0x201C, 0x201D ], [ 0x2020, 0x2022 ], [ 0x2024, 0x2027 ],\n    [ 0x2030, 0x2030 ], [ 0x2032, 0x2033 ], [ 0x2035, 0x2035 ],\n    [ 0x203B, 0x203B ], [ 0x203E, 0x203E ], [ 0x2074, 0x2074 ],\n    [ 0x207F, 0x207F ], [ 0x2081, 0x2084 ], [ 0x20AC, 0x20AC ],\n    [ 0x2103, 0x2103 ], [ 0x2105, 0x2105 ], [ 0x2109, 0x2109 ],\n    [ 0x2113, 0x2113 ], [ 0x2116, 0x2116 ], [ 0x2121, 0x2122 ],\n    [ 0x2126, 0x2126 ], [ 0x212B, 0x212B ], [ 0x2153, 0x2154 ],\n    [ 0x215B, 0x215E ], [ 0x2160, 0x216B ], [ 0x2170, 0x2179 ],\n    [ 0x2190, 0x2199 ], [ 0x21B8, 0x21B9 ], [ 0x21D2, 0x21D2 ],\n    [ 0x21D4, 0x21D4 ], [ 0x21E7, 0x21E7 ], [ 0x2200, 0x2200 ],\n    [ 0x2202, 0x2203 ], [ 0x2207, 0x2208 ], [ 0x220B, 0x220B ],\n    [ 0x220F, 0x220F ], [ 0x2211, 0x2211 ], [ 0x2215, 0x2215 ],\n    [ 0x221A, 0x221A ], [ 0x221D, 0x2220 ], [ 0x2223, 0x2223 ],\n    [ 0x2225, 0x2225 ], [ 0x2227, 0x222C ], [ 0x222E, 0x222E ],\n    [ 0x2234, 0x2237 ], [ 0x223C, 0x223D ], [ 0x2248, 0x2248 ],\n    [ 0x224C, 0x224C ], [ 0x2252, 0x2252 ], [ 0x2260, 0x2261 ],\n    [ 0x2264, 0x2267 ], [ 0x226A, 0x226B ], [ 0x226E, 0x226F ],\n    [ 0x2282, 0x2283 ], [ 0x2286, 0x2287 ], [ 0x2295, 0x2295 ],\n    [ 0x2299, 0x2299 ], [ 0x22A5, 0x22A5 ], [ 0x22BF, 0x22BF ],\n    [ 0x2312, 0x2312 ], [ 0x2460, 0x24E9 ], [ 0x24EB, 0x254B ],\n    [ 0x2550, 0x2573 ], [ 0x2580, 0x258F ], [ 0x2592, 0x2595 ],\n    [ 0x25A0, 0x25A1 ], [ 0x25A3, 0x25A9 ], [ 0x25B2, 0x25B3 ],\n    [ 0x25B6, 0x25B7 ], [ 0x25BC, 0x25BD ], [ 0x25C0, 0x25C1 ],\n    [ 0x25C6, 0x25C8 ], [ 0x25CB, 0x25CB ], [ 0x25CE, 0x25D1 ],\n    [ 0x25E2, 0x25E5 ], [ 0x25EF, 0x25EF ], [ 0x2605, 0x2606 ],\n    [ 0x2609, 0x2609 ], [ 0x260E, 0x260F ], [ 0x2614, 0x2615 ],\n    [ 0x261C, 0x261C ], [ 0x261E, 0x261E ], [ 0x2640, 0x2640 ],\n    [ 0x2642, 0x2642 ], [ 0x2660, 0x2661 ], [ 0x2663, 0x2665 ],\n    [ 0x2667, 0x266A ], [ 0x266C, 0x266D ], [ 0x266F, 0x266F ],\n    [ 0x273D, 0x273D ], [ 0x2776, 0x277F ], [ 0xE000, 0xF8FF ],\n    [ 0xFFFD, 0xFFFD ], [ 0xF0000, 0xFFFFD ], [ 0x100000, 0x10FFFD ]\n];\n\n/**\n * Binary search to check if the given unicode character is a space character.\n *\n * @param {integer} ucs A unicode character code.\n *\n * @return {boolean} True if the given character is a space character; false\n *     otherwise.\n */\nlib.wc.isSpace = function(ucs) {\n  // Auxiliary function for binary search in interval table.\n  var min = 0, max = lib.wc.combining.length - 1;\n  var mid;\n\n  if (ucs < lib.wc.combining[0][0] || ucs > lib.wc.combining[max][1])\n    return false;\n  while (max >= min) {\n    mid = Math.floor((min + max) / 2);\n    if (ucs > lib.wc.combining[mid][1]) {\n      min = mid + 1;\n    } else if (ucs < lib.wc.combining[mid][0]) {\n      max = mid - 1;\n    } else {\n      return true;\n    }\n  }\n\n  return false;\n};\n\n/**\n * Auxiliary function for checking if the given unicode character is a East\n * Asian Ambiguous character.\n *\n * @param {integer} ucs A unicode character code.\n *\n * @return {boolean} True if the given character is a East Asian Ambiguous\n * character.\n */\nlib.wc.isCjkAmbiguous = function(ucs) {\n  var min = 0, max = lib.wc.ambiguous.length - 1;\n  var mid;\n\n  if (ucs < lib.wc.ambiguous[0][0] || ucs > lib.wc.ambiguous[max][1])\n    return false;\n  while (max >= min) {\n    mid = Math.floor((min + max) / 2);\n    if (ucs > lib.wc.ambiguous[mid][1]) {\n      min = mid + 1;\n    } else if (ucs < lib.wc.ambiguous[mid][0]) {\n      max = mid - 1;\n    } else {\n      return true;\n    }\n  }\n\n  return false;\n};\n\n/**\n * Determine the column width of the given character.\n *\n * @param {integer} ucs A unicode character code.\n *\n * @return {integer} The column width of the given character.\n */\nlib.wc.charWidth = function(ucs) {\n  if (lib.wc.regardCjkAmbiguous) {\n    return lib.wc.charWidthRegardAmbiguous(ucs);\n  } else {\n    return lib.wc.charWidthDisregardAmbiguous(ucs);\n  }\n};\n\n/**\n * Determine the column width of the given character without considering East\n * Asian Ambiguous characters.\n *\n * @param {integer} ucs A unicode character code.\n *\n * @return {integer} The column width of the given character.\n */\nlib.wc.charWidthDisregardAmbiguous = function(ucs) {\n  // Test for 8-bit control characters.\n  if (ucs === 0)\n    return lib.wc.nulWidth;\n  if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0))\n    return lib.wc.controlWidth;\n\n  // Optimize for ASCII characters.\n  if (ucs < 0x7f)\n    return 1;\n\n  // Binary search in table of non-spacing characters.\n  if (lib.wc.isSpace(ucs))\n    return 0;\n\n  // If we arrive here, ucs is not a combining or C0/C1 control character.\n  return 1 +\n    (ucs >= 0x1100 &&\n     (ucs <= 0x115f ||             // Hangul Jamo init. consonants\n      ucs == 0x2329 || ucs == 0x232a ||\n      (ucs >= 0x2e80 && ucs <= 0xa4cf &&\n       ucs != 0x303f) ||           // CJK ... Yi\n      (ucs >= 0xac00 && ucs <= 0xd7a3) ||  // Hangul Syllables\n      (ucs >= 0xf900 && ucs <= 0xfaff) ||  // CJK Compatibility Ideographs\n      (ucs >= 0xfe10 && ucs <= 0xfe19) ||  // Vertical forms\n      (ucs >= 0xfe30 && ucs <= 0xfe6f) ||  // CJK Compatibility Forms\n      (ucs >= 0xff00 && ucs <= 0xff60) ||  // Fullwidth Forms\n      (ucs >= 0xffe0 && ucs <= 0xffe6) ||\n      (ucs >= 0x20000 && ucs <= 0x2fffd) ||\n      (ucs >= 0x30000 && ucs <= 0x3fffd)));\n  // TODO: emoji characters usually require space for wide characters although\n  // East Asian width spec says nothing. Should we add special cases for them?\n};\n\n/**\n * Determine the column width of the given character considering East Asian\n * Ambiguous characters.\n *\n * @param {integer} ucs A unicode character code.\n *\n * @return {integer} The column width of the given character.\n */\nlib.wc.charWidthRegardAmbiguous = function(ucs) {\n  if (lib.wc.isCjkAmbiguous(ucs))\n    return lib.wc.cjkAmbiguousWidth;\n\n  return lib.wc.charWidthDisregardAmbiguous(ucs);\n};\n\n/**\n * Determine the column width of the given string.\n *\n * @param {string} str A string.\n *\n * @return {integer} The column width of the given string.\n */\nlib.wc.strWidth = function(str) {\n  var width, rv = 0;\n\n  for (var i = 0; i < str.length;) {\n    var codePoint = str.codePointAt(i);\n    width = lib.wc.charWidth(codePoint);\n    if (width < 0)\n      return -1;\n    rv += width;\n    i += (codePoint <= 0xffff) ? 1 : 2;\n  }\n\n  return rv;\n};\n\n/**\n * Get the substring at the given column offset of the given column width.\n *\n * @param {string} str The string to get substring from.\n * @param {integer} start The starting column offset to get substring.\n * @param {integer} opt_width The column width of the substring.\n *\n * @return {string} The substring.\n */\nlib.wc.substr = function(str, start, opt_width) {\n  var startIndex, endIndex, width;\n\n  for (startIndex = 0, width = 0; startIndex < str.length; startIndex++) {\n    width += lib.wc.charWidth(str.charCodeAt(startIndex));\n    if (width > start)\n      break;\n  }\n\n  if (opt_width != undefined) {\n    for (endIndex = startIndex, width = 0;\n         endIndex < str.length && width <= opt_width;\n         width += lib.wc.charWidth(str.charCodeAt(endIndex)), endIndex++);\n    if (width > opt_width)\n      endIndex--;\n    return str.substring(startIndex, endIndex);\n  }\n\n  return str.substr(startIndex);\n};\n\n/**\n * Get substring at the given start and end column offset.\n *\n * @param {string} str The string to get substring from.\n * @param {integer} start The starting column offset.\n * @param {integer} end The ending column offset.\n *\n * @return {string} The substring.\n */\nlib.wc.substring = function(str, start, end) {\n  return lib.wc.substr(str, start, end - start);\n};\nlib.resource.add('libdot/changelog/version', 'text/plain',\n'1.16' +\n''\n);\n\nlib.resource.add('libdot/changelog/date', 'text/plain',\n'2017-08-16' +\n''\n);\n\n// SOURCE FILE: hterm/js/hterm.js\n// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\nlib.rtdep('lib.Storage');\n\n/**\n * @fileoverview Declares the hterm.* namespace and some basic shared utilities\n * that are too small to deserve dedicated files.\n */\nvar hterm = {};\n\n/**\n * The type of window hosting hterm.\n *\n * This is set as part of hterm.init().  The value is invalid until\n * initialization completes.\n */\nhterm.windowType = null;\n\n/**\n * Warning message to display in the terminal when browser zoom is enabled.\n *\n * You can replace it with your own localized message.\n */\nhterm.zoomWarningMessage = 'ZOOM != 100%';\n\n/**\n * Brief overlay message displayed when text is copied to the clipboard.\n *\n * By default it is the unicode BLACK SCISSORS character, but you can\n * replace it with your own localized message.\n *\n * This is only displayed when the 'enable-clipboard-notice' preference\n * is enabled.\n */\nhterm.notifyCopyMessage = '\\u2702';\n\n\n/**\n * Text shown in a desktop notification for the terminal\n * bell.  \\u226a is a unicode EIGHTH NOTE, %(title) will\n * be replaced by the terminal title.\n */\nhterm.desktopNotificationTitle = '\\u266A %(title) \\u266A';\n\n/**\n * List of known hterm test suites.\n *\n * A test harness should ensure that they all exist before running.\n */\nhterm.testDeps = ['hterm.ScrollPort.Tests', 'hterm.Screen.Tests',\n                  'hterm.Terminal.Tests', 'hterm.VT.Tests',\n                  'hterm.VT.CannedTests'];\n\n/**\n * The hterm init function, registered with lib.registerInit().\n *\n * This is called during lib.init().\n *\n * @param {function} onInit The function lib.init() wants us to invoke when\n *     initialization is complete.\n */\nlib.registerInit('hterm', function(onInit) {\n  function onWindow(window) {\n    hterm.windowType = window.type;\n    setTimeout(onInit, 0);\n  }\n\n  function onTab(tab) {\n    if (tab && window.chrome) {\n      chrome.windows.get(tab.windowId, null, onWindow);\n    } else {\n      // TODO(rginda): This is where we end up for a v1 app's background page.\n      // Maybe windowType = 'none' would be more appropriate, or something.\n      hterm.windowType = 'normal';\n      setTimeout(onInit, 0);\n    }\n  }\n\n  if (!hterm.defaultStorage) {\n    if (window.chrome && chrome.storage && chrome.storage.sync) {\n      hterm.defaultStorage = new lib.Storage.Chrome(chrome.storage.sync);\n    } else {\n      hterm.defaultStorage = new lib.Storage.Local();\n    }\n  }\n\n  // The chrome.tabs API is not supported in packaged apps, and detecting if\n  // you're a packaged app is a little awkward.\n  var isPackagedApp = false;\n  if (window.chrome && chrome.runtime && chrome.runtime.getManifest) {\n    var manifest = chrome.runtime.getManifest();\n    isPackagedApp = manifest.app && manifest.app.background;\n  }\n\n  if (isPackagedApp) {\n    // Packaged apps are never displayed in browser tabs.\n    setTimeout(onWindow.bind(null, {type: 'popup'}), 0);\n  } else {\n    if (window.chrome && chrome.tabs) {\n      // The getCurrent method gets the tab that is \"currently running\", not the\n      // topmost or focused tab.\n      chrome.tabs.getCurrent(onTab);\n    } else {\n      setTimeout(onWindow.bind(null, {type: 'normal'}), 0);\n    }\n  }\n});\n\n/**\n * Return decimal { width, height } for a given dom node.\n */\nhterm.getClientSize = function(dom) {\n  return dom.getBoundingClientRect();\n};\n\n/**\n * Return decimal width for a given dom node.\n */\nhterm.getClientWidth = function(dom) {\n  return dom.getBoundingClientRect().width;\n};\n\n/**\n * Return decimal height for a given dom node.\n */\nhterm.getClientHeight = function(dom) {\n  return dom.getBoundingClientRect().height;\n};\n\n/**\n * Copy the current selection to the system clipboard.\n *\n * @param {HTMLDocument} The document with the selection to copy.\n */\nhterm.copySelectionToClipboard = function(document) {\n  try {\n    document.execCommand('copy');\n  } catch (firefoxException) {\n    // Ignore this. FF throws an exception if there was an error, even though\n    // the spec says just return false.\n  }\n};\n\n/**\n * Paste the system clipboard into the element with focus.\n *\n * Note: In Chrome/Firefox app/extension environments, you'll need the\n * \"clipboardRead\" permission.  In other environments, this might always\n * fail as the browser frequently blocks access for security reasons.\n *\n * @param {HTMLDocument} The document to paste into.\n * @return {boolean} True if the paste succeeded.\n */\nhterm.pasteFromClipboard = function(document) {\n  try {\n    return document.execCommand('paste');\n  } catch (firefoxException) {\n    // Ignore this.  FF 40 and older would incorrectly throw an exception if\n    // there was an error instead of returning false.\n    return false;\n  }\n};\n\n/**\n * Create a new notification.\n *\n * @param {Object} params Various parameters for the notification.\n * @param {string} params.title The title (defaults to the window's title).\n * @param {string} params.body The message body (main text).\n */\nhterm.notify = function(params) {\n  var def = (curr, fallback) => curr !== undefined ? curr : fallback;\n  if (params === undefined || params === null)\n    params = {};\n\n  // Merge the user's choices with the default settings.  We don't take it\n  // directly in case it was stuffed with excess junk.\n  var options = {\n      'body': params.body,\n      'icon': def(params.icon, lib.resource.getDataUrl('hterm/images/icon-96')),\n  }\n\n  var title = def(params.title, window.document.title);\n  if (!title)\n    title = 'hterm';\n  title = lib.f.replaceVars(hterm.desktopNotificationTitle, {'title': title});\n\n  var n = new Notification(title, options);\n  n.onclick = function() {\n    window.focus();\n    this.close();\n  };\n  return n;\n};\n\n/**\n * Constructor for a hterm.Size record.\n *\n * Instances of this class have public read/write members for width and height.\n *\n * @param {integer} width The width of this record.\n * @param {integer} height The height of this record.\n */\nhterm.Size = function(width, height) {\n  this.width = width;\n  this.height = height;\n};\n\n/**\n * Adjust the width and height of this record.\n *\n * @param {integer} width The new width of this record.\n * @param {integer} height The new height of this record.\n */\nhterm.Size.prototype.resize = function(width, height) {\n  this.width = width;\n  this.height = height;\n};\n\n/**\n * Return a copy of this record.\n *\n * @return {hterm.Size} A new hterm.Size instance with the same width and\n * height.\n */\nhterm.Size.prototype.clone = function() {\n  return new hterm.Size(this.width, this.height);\n};\n\n/**\n * Set the height and width of this instance based on another hterm.Size.\n *\n * @param {hterm.Size} that The object to copy from.\n */\nhterm.Size.prototype.setTo = function(that) {\n  this.width = that.width;\n  this.height = that.height;\n};\n\n/**\n * Test if another hterm.Size instance is equal to this one.\n *\n * @param {hterm.Size} that The other hterm.Size instance.\n * @return {boolean} True if both instances have the same width/height, false\n *     otherwise.\n */\nhterm.Size.prototype.equals = function(that) {\n  return this.width == that.width && this.height == that.height;\n};\n\n/**\n * Return a string representation of this instance.\n *\n * @return {string} A string that identifies the width and height of this\n *     instance.\n */\nhterm.Size.prototype.toString = function() {\n  return '[hterm.Size: ' + this.width + ', ' + this.height + ']';\n};\n\n/**\n * Constructor for a hterm.RowCol record.\n *\n * Instances of this class have public read/write members for row and column.\n *\n * This class includes an 'overflow' bit which is use to indicate that an\n * attempt has been made to move the cursor column passed the end of the\n * screen.  When this happens we leave the cursor column set to the last column\n * of the screen but set the overflow bit.  In this state cursor movement\n * happens normally, but any attempt to print new characters causes a cr/lf\n * first.\n *\n * @param {integer} row The row of this record.\n * @param {integer} column The column of this record.\n * @param {boolean} opt_overflow Optional boolean indicating that the RowCol\n *     has overflowed.\n */\nhterm.RowCol = function(row, column, opt_overflow) {\n  this.row = row;\n  this.column = column;\n  this.overflow = !!opt_overflow;\n};\n\n/**\n * Adjust the row and column of this record.\n *\n * @param {integer} row The new row of this record.\n * @param {integer} column The new column of this record.\n * @param {boolean} opt_overflow Optional boolean indicating that the RowCol\n *     has overflowed.\n */\nhterm.RowCol.prototype.move = function(row, column, opt_overflow) {\n  this.row = row;\n  this.column = column;\n  this.overflow = !!opt_overflow;\n};\n\n/**\n * Return a copy of this record.\n *\n * @return {hterm.RowCol} A new hterm.RowCol instance with the same row and\n * column.\n */\nhterm.RowCol.prototype.clone = function() {\n  return new hterm.RowCol(this.row, this.column, this.overflow);\n};\n\n/**\n * Set the row and column of this instance based on another hterm.RowCol.\n *\n * @param {hterm.RowCol} that The object to copy from.\n */\nhterm.RowCol.prototype.setTo = function(that) {\n  this.row = that.row;\n  this.column = that.column;\n  this.overflow = that.overflow;\n};\n\n/**\n * Test if another hterm.RowCol instance is equal to this one.\n *\n * @param {hterm.RowCol} that The other hterm.RowCol instance.\n * @return {boolean} True if both instances have the same row/column, false\n *     otherwise.\n */\nhterm.RowCol.prototype.equals = function(that) {\n  return (this.row == that.row && this.column == that.column &&\n          this.overflow == that.overflow);\n};\n\n/**\n * Return a string representation of this instance.\n *\n * @return {string} A string that identifies the row and column of this\n *     instance.\n */\nhterm.RowCol.prototype.toString = function() {\n  return ('[hterm.RowCol: ' + this.row + ', ' + this.column + ', ' +\n          this.overflow + ']');\n};\n// SOURCE FILE: hterm/js/hterm_frame.js\n// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\nlib.rtdep('lib.f');\n\n/**\n * First draft of the interface between the terminal and a third party dialog.\n *\n * This is rough.  It's just the terminal->dialog layer.  To complete things\n * we'll also need a command->terminal layer.  That will have to facilitate\n * command->terminal->dialog or direct command->dialog communication.\n *\n * I imagine this class will change significantly when that happens.\n */\n\n/**\n * Construct a new frame for the given terminal.\n *\n * @param terminal {hterm.Terminal} The parent terminal object.\n * @param url {String} The url to load in the frame.\n * @param opt_options {Object} Optional options for the frame.  Not implemented.\n */\nhterm.Frame = function(terminal, url, opt_options) {\n  this.terminal_ = terminal;\n  this.div_ = terminal.div_;\n  this.url = url;\n  this.options = opt_options || {};\n  this.iframe_ = null;\n  this.container_ = null;\n  this.messageChannel_ = null;\n};\n\n/**\n * Handle messages from the iframe.\n */\nhterm.Frame.prototype.onMessage_ = function(e) {\n  switch (e.data.name) {\n    case 'ipc-init-ok':\n      // We get this response after we send them ipc-init and they finish.\n      this.sendTerminalInfo_();\n      return;\n    case 'terminal-info-ok':\n      // We get this response after we send them terminal-info and they finish.\n      // Show the finished frame, and then rebind our message handler to the\n      // callback below.\n      this.container_.style.display = 'flex';\n      this.messageChannel_.port1.onmessage = this.onMessage.bind(this);\n      this.onLoad();\n      return;\n    default:\n      console.log('Unknown message from frame:', e.data);\n      return;\n  }\n};\n\n/**\n * Clients could override this, I guess.\n *\n * It doesn't support multiple listeners, but I'm not sure that would make sense\n * here.  It's probably better to speak directly to our parents.\n */\nhterm.Frame.prototype.onMessage = function() {};\n\n/**\n * Handle iframe onLoad event.\n */\nhterm.Frame.prototype.onLoad_ = function() {\n  this.messageChannel_ = new MessageChannel();\n  this.messageChannel_.port1.onmessage = this.onMessage_.bind(this);\n  this.messageChannel_.port1.start();\n  this.iframe_.contentWindow.postMessage(\n      {name: 'ipc-init', argv: [{messagePort: this.messageChannel_.port2}]},\n      this.url, [this.messageChannel_.port2]);\n};\n\n/**\n * Clients may override this.\n */\nhterm.Frame.prototype.onLoad = function() {};\n\n/**\n * Sends the terminal-info message to the iframe.\n */\nhterm.Frame.prototype.sendTerminalInfo_ = function() {\n  lib.f.getAcceptLanguages(function(languages) {\n      this.postMessage('terminal-info', [{\n         acceptLanguages: languages,\n         foregroundColor: this.terminal_.getForegroundColor(),\n         backgroundColor: this.terminal_.getBackgroundColor(),\n         cursorColor: this.terminal_.getCursorColor(),\n         fontSize: this.terminal_.getFontSize(),\n         fontFamily: this.terminal_.getFontFamily(),\n         baseURL: lib.f.getURL('/')\n          }]\n        );\n    }.bind(this));\n};\n\n/**\n * User clicked the close button on the frame decoration.\n */\nhterm.Frame.prototype.onCloseClicked_ = function() {\n  this.close();\n};\n\n/**\n * Close this frame.\n */\nhterm.Frame.prototype.close = function() {\n  if (!this.container_ || !this.container_.parentNode)\n      return;\n\n  this.container_.parentNode.removeChild(this.container_);\n  this.onClose();\n};\n\n\n/**\n * Clients may override this.\n */\nhterm.Frame.prototype.onClose = function() {};\n\n/**\n * Send a message to the iframe.\n */\nhterm.Frame.prototype.postMessage = function(name, argv) {\n  if (!this.messageChannel_)\n    throw new Error('Message channel is not set up.');\n\n  this.messageChannel_.port1.postMessage({name: name, argv: argv});\n};\n\n/**\n * Show the UI for this frame.\n *\n * The iframe src is not loaded until this method is called.\n */\nhterm.Frame.prototype.show = function() {\n  var self = this;\n\n  function opt(name, defaultValue) {\n    if (name in self.options)\n      return self.options[name];\n\n    return defaultValue;\n  }\n\n  var self = this;\n\n  if (this.container_ && this.container_.parentNode) {\n    console.error('Frame already visible');\n    return;\n  }\n\n  var headerHeight = '16px';\n\n  var divSize = hterm.getClientSize(this.div_);\n\n  var width = opt('width', 640);\n  var height = opt('height', 480);\n  var left = (divSize.width - width) / 2;\n  var top = (divSize.height - height) / 2;\n\n  var document = this.terminal_.document_;\n\n  var container = this.container_ = document.createElement('div');\n  container.style.cssText = (\n      'position: absolute;' +\n      'display: none;' +\n      'flex-direction: column;' +\n      'top: 10%;' +\n      'left: 4%;' +\n      'width: 90%;' +\n      'height: 80%;' +\n      'min-height: 20%;' +\n      'max-height: 80%;' +\n      'box-shadow: 0 0 2px ' + this.terminal_.getForegroundColor() + ';' +\n      'border: 2px ' + this.terminal_.getForegroundColor() + ' solid;');\n\n  if (false) {\n    // No use for the close button, so no use for the window header either.\n    var header = document.createElement('div');\n    header.style.cssText = (\n        'display: flex;' +\n        'justify-content: flex-end;' +\n        'height: ' + headerHeight + ';' +\n        'background-color: ' + this.terminal_.getForegroundColor() + ';' +\n        'color: ' + this.terminal_.getBackgroundColor() + ';' +\n        'font-size: 16px;' +\n        'font-family: ' + this.terminal_.getFontFamily());\n    container.appendChild(header);\n\n    var button = document.createElement('div');\n    button.setAttribute('role', 'button');\n    button.style.cssText = (\n        'margin-top: -3px;' +\n        'margin-right: 3px;' +\n        'cursor: pointer;');\n    button.textContent = '\\u2a2f';\n    button.addEventListener('click', this.onCloseClicked_.bind(this));\n    header.appendChild(button);\n  }\n\n  var iframe = this.iframe_ = document.createElement('iframe');\n  iframe.onload = this.onLoad_.bind(this);\n  iframe.style.cssText = (\n      'display: flex;' +\n      'flex: 1;' +\n      'width: 100%');\n  iframe.setAttribute('src', this.url);\n  iframe.setAttribute('seamless', true);\n  container.appendChild(iframe);\n\n  this.div_.appendChild(container);\n};\n// SOURCE FILE: hterm/js/hterm_keyboard.js\n// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\nlib.rtdep('hterm.Keyboard.KeyMap');\n\n/**\n * Keyboard handler.\n *\n * Consumes onKey* events and invokes onVTKeystroke on the associated\n * hterm.Terminal object.\n *\n * See also: [XTERM] as referenced in vt.js.\n *\n * @param {hterm.Terminal} The Terminal object associated with this keyboard.\n */\nhterm.Keyboard = function(terminal) {\n  // The parent vt interpreter.\n  this.terminal = terminal;\n\n  // The element we're currently capturing keyboard events for.\n  this.keyboardElement_ = null;\n\n  // The event handlers we are interested in, and their bound callbacks, saved\n  // so they can be uninstalled with removeEventListener, when required.\n  this.handlers_ = [\n      ['focusout', this.onFocusOut_.bind(this)],\n      ['keydown', this.onKeyDown_.bind(this)],\n      ['keypress', this.onKeyPress_.bind(this)],\n      ['keyup', this.onKeyUp_.bind(this)],\n      ['textInput', this.onTextInput_.bind(this)]\n  ];\n\n  /**\n   * The current key map.\n   */\n  this.keyMap = new hterm.Keyboard.KeyMap(this);\n\n  this.bindings = new hterm.Keyboard.Bindings(this);\n\n  /**\n   * none: Disable any AltGr related munging.\n   * ctrl-alt: Assume Ctrl+Alt means AltGr.\n   * left-alt: Assume left Alt means AltGr.\n   * right-alt: Assume right Alt means AltGr.\n   */\n  this.altGrMode = 'none';\n\n  /**\n   * If true, Shift-Insert will fall through to the browser as a paste.\n   * If false, the keystroke will be sent to the host.\n   */\n  this.shiftInsertPaste = true;\n\n  /**\n   * If true, home/end will control the terminal scrollbar and shift home/end\n   * will send the VT keycodes.  If false then home/end sends VT codes and\n   * shift home/end scrolls.\n   */\n  this.homeKeysScroll = false;\n\n  /**\n   * Same as above, except for page up/page down.\n   */\n  this.pageKeysScroll = false;\n\n  /**\n   * If true, Ctrl-Plus/Minus/Zero controls zoom.\n   * If false, Ctrl-Shift-Plus/Minus/Zero controls zoom, Ctrl-Minus sends ^_,\n   * Ctrl-Plus/Zero do nothing.\n   */\n  this.ctrlPlusMinusZeroZoom = true;\n\n  /**\n   * Ctrl+C copies if true, sends ^C to host if false.\n   * Ctrl+Shift+C sends ^C to host if true, copies if false.\n   */\n  this.ctrlCCopy = false;\n\n  /**\n   * Ctrl+V pastes if true, sends ^V to host if false.\n   * Ctrl+Shift+V sends ^V to host if true, pastes if false.\n   */\n  this.ctrlVPaste = false;\n\n  /**\n   * Enable/disable application keypad.\n   *\n   * This changes the way numeric keys are sent from the keyboard.\n   */\n  this.applicationKeypad = false;\n\n  /**\n   * Enable/disable the application cursor mode.\n   *\n   * This changes the way cursor keys are sent from the keyboard.\n   */\n  this.applicationCursor = false;\n\n  /**\n   * If true, the backspace should send BS ('\\x08', aka ^H).  Otherwise\n   * the backspace key should send '\\x7f'.\n   */\n  this.backspaceSendsBackspace = false;\n\n  /**\n   * The encoding method for data sent to the host.\n   */\n  this.characterEncoding = 'utf-8';\n\n  /**\n   * Set whether the meta key sends a leading escape or not.\n   */\n  this.metaSendsEscape = true;\n\n  /**\n   * Set whether meta-V gets passed to host.\n   */\n  this.passMetaV = true;\n\n  /**\n   * Controls how the alt key is handled.\n   *\n   *  escape....... Send an ESC prefix.\n   *  8-bit........ Add 128 to the unshifted character as in xterm.\n   *  browser-key.. Wait for the keypress event and see what the browser says.\n   *                (This won't work well on platforms where the browser\n   *                 performs a default action for some alt sequences.)\n   *\n   * This setting only matters when alt is distinct from meta (altIsMeta is\n   * false.)\n   */\n  this.altSendsWhat = 'escape';\n\n  /**\n   * Set whether the alt key acts as a meta key, instead of producing 8-bit\n   * characters.\n   *\n   * True to enable, false to disable, null to autodetect based on platform.\n   */\n  this.altIsMeta = false;\n\n  /**\n   * If true, tries to detect DEL key events that are from alt-backspace on\n   * Chrome OS vs from a true DEL key press.\n   *\n   * Background: At the time of writing, on Chrome OS, alt-backspace is mapped\n   * to DEL. Some users may be happy with this, but others may be frustrated\n   * that it's impossible to do meta-backspace. If the user enables this pref,\n   * we use a trick to tell a true DEL keypress from alt-backspace: on\n   * alt-backspace, we will see the alt key go down, then get a DEL keystroke\n   * that indicates that alt is not pressed. See https://crbug.com/174410 .\n   */\n  this.altBackspaceIsMetaBackspace = false;\n\n  /**\n   * Used to keep track of the current alt-key state, which is necessary for\n   * the altBackspaceIsMetaBackspace preference above and for the altGrMode\n   * preference.  This is a bitmap with where bit positions correspond to the\n   * \"location\" property of the key event.\n   */\n  this.altKeyPressed = 0;\n\n  /**\n   * If true, Chrome OS media keys will be mapped to their F-key equivalent.\n   * E.g. \"Back\" will be mapped to F1. If false, Chrome will handle the keys.\n   */\n  this.mediaKeysAreFKeys = false;\n\n  /**\n   * Holds the previous setting of altSendsWhat when DECSET 1039 is used. When\n   * DECRST 1039 is used, altSendsWhat is changed back to this and this is\n   * nulled out.\n   */\n  this.previousAltSendsWhat_ = null;\n};\n\n/**\n * Special handling for keyCodes in a keyboard layout.\n */\nhterm.Keyboard.KeyActions = {\n  /**\n   * Call preventDefault and stopPropagation for this key event and nothing\n   * else.\n   */\n  CANCEL: lib.f.createEnum('CANCEL'),\n\n  /**\n   * This performs the default terminal action for the key.  If used in the\n   * 'normal' action and the the keystroke represents a printable key, the\n   * character will be sent to the host.  If used in one of the modifier\n   * actions, the terminal will perform the normal action after (possibly)\n   * altering it.\n   *\n   *  - If the normal sequence starts with CSI, the sequence will be adjusted\n   *    to include the modifier parameter as described in [XTERM] in the final\n   *    table of the \"PC-Style Function Keys\" section.\n   *\n   *  - If the control key is down and the key represents a printable character,\n   *    and the uppercase version of the unshifted keycap is between\n   *    64 (ASCII '@') and 95 (ASCII '_'), then the uppercase version of the\n   *    unshifted keycap minus 64 is sent.  This makes '^@' send '\\x00' and\n   *    '^_' send '\\x1f'.  (Note that one higher that 0x1f is 0x20, which is\n   *    the first printable ASCII value.)\n   *\n   *  - If the alt key is down and the key represents a printable character then\n   *    the value of the character is shifted up by 128.\n   *\n   *  - If meta is down and configured to send an escape, '\\x1b' will be sent\n   *    before the normal action is performed.\n   */\n  DEFAULT: lib.f.createEnum('DEFAULT'),\n\n  /**\n   * Causes the terminal to opt out of handling the key event, instead letting\n   * the browser deal with it.\n   */\n  PASS: lib.f.createEnum('PASS'),\n\n  /**\n   * Insert the first or second character of the keyCap, based on e.shiftKey.\n   * The key will be handled in onKeyDown, and e.preventDefault() will be\n   * called.\n   *\n   * It is useful for a modified key action, where it essentially strips the\n   * modifier while preventing the browser from reacting to the key.\n   */\n  STRIP: lib.f.createEnum('STRIP')\n};\n\n/**\n * Encode a string according to the 'send-encoding' preference.\n */\nhterm.Keyboard.prototype.encode = function(str) {\n  if (this.characterEncoding == 'utf-8')\n    return this.terminal.vt.encodeUTF8(str);\n\n  return str;\n};\n\n/**\n * Capture keyboard events sent to the associated element.\n *\n * This enables the keyboard.  Captured events are consumed by this class\n * and will not perform their default action or bubble to other elements.\n *\n * Passing a null element will uninstall the keyboard handlers.\n *\n * @param {HTMLElement} element The element whose events should be captured, or\n *     null to disable the keyboard.\n */\nhterm.Keyboard.prototype.installKeyboard = function(element) {\n  if (element == this.keyboardElement_)\n    return;\n\n  if (element && this.keyboardElement_)\n    this.installKeyboard(null);\n\n  for (var i = 0; i < this.handlers_.length; i++) {\n    var handler = this.handlers_[i];\n    if (element) {\n      element.addEventListener(handler[0], handler[1]);\n    } else {\n      this.keyboardElement_.removeEventListener(handler[0], handler[1]);\n    }\n  }\n\n  this.keyboardElement_ = element;\n};\n\n/**\n * Disable keyboard event capture.\n *\n * This will allow the browser to process key events normally.\n */\nhterm.Keyboard.prototype.uninstallKeyboard = function() {\n  this.installKeyboard(null);\n};\n\n/**\n * Handle onTextInput events.\n *\n * We're not actually supposed to get these, but we do on the Mac in the case\n * where a third party app sends synthetic keystrokes to Chrome.\n */\nhterm.Keyboard.prototype.onTextInput_ = function(e) {\n  if (!e.data)\n    return;\n\n  e.data.split('').forEach(this.terminal.onVTKeystroke.bind(this.terminal));\n};\n\n/**\n * Handle onKeyPress events.\n */\nhterm.Keyboard.prototype.onKeyPress_ = function(e) {\n  var code;\n\n  var key = String.fromCharCode(e.which);\n  var lowerKey = key.toLowerCase();\n  if ((e.ctrlKey || e.metaKey) && (lowerKey == 'c' || lowerKey == 'v')) {\n    // On FF the key press (not key down) event gets fired for copy/paste.\n    // Let it fall through for the default browser behavior.\n    return;\n  }\n\n  if (e.altKey && this.altSendsWhat == 'browser-key' && e.charCode == 0) {\n    // If we got here because we were expecting the browser to handle an\n    // alt sequence but it didn't do it, then we might be on an OS without\n    // an enabled IME system.  In that case we fall back to xterm-like\n    // behavior.\n    //\n    // This happens here only as a fallback.  Typically these platforms should\n    // set altSendsWhat to either 'escape' or '8-bit'.\n    var ch = String.fromCharCode(e.keyCode);\n    if (!e.shiftKey)\n      ch = ch.toLowerCase();\n    code = ch.charCodeAt(0) + 128;\n\n  } else if (e.charCode >= 32) {\n    ch = e.charCode;\n  }\n\n  if (ch)\n    this.terminal.onVTKeystroke(String.fromCharCode(ch));\n\n  e.preventDefault();\n  e.stopPropagation();\n};\n\n/**\n * Prevent default handling for non-ctrl-shifted event.\n *\n * When combined with Chrome permission 'app.window.fullscreen.overrideEsc',\n * and called for both key down and key up events,\n * the ESC key remains usable within fullscreen Chrome app windows.\n */\nhterm.Keyboard.prototype.preventChromeAppNonCtrlShiftDefault_ = function(e) {\n  if (!window.chrome || !window.chrome.app || !window.chrome.app.window)\n    return;\n  if (!e.ctrlKey || !e.shiftKey)\n    e.preventDefault();\n};\n\nhterm.Keyboard.prototype.onFocusOut_ = function(e) {\n  this.altKeyPressed = 0;\n};\n\nhterm.Keyboard.prototype.onKeyUp_ = function(e) {\n  if (e.keyCode == 18)\n    this.altKeyPressed = this.altKeyPressed & ~(1 << (e.location - 1));\n\n  if (e.keyCode == 27)\n    this.preventChromeAppNonCtrlShiftDefault_(e);\n};\n\n/**\n * Handle onKeyDown events.\n */\nhterm.Keyboard.prototype.onKeyDown_ = function(e) {\n  if (e.keyCode == 18)\n    this.altKeyPressed = this.altKeyPressed | (1 << (e.location - 1));\n\n  if (e.keyCode == 27)\n    this.preventChromeAppNonCtrlShiftDefault_(e);\n\n  var keyDef = this.keyMap.keyDefs[e.keyCode];\n  if (!keyDef) {\n    console.warn('No definition for keyCode: ' + e.keyCode);\n    return;\n  }\n\n  // The type of action we're going to use.\n  var resolvedActionType = null;\n\n  var self = this;\n  function getAction(name) {\n    // Get the key action for the given action name.  If the action is a\n    // function, dispatch it.  If the action defers to the normal action,\n    // resolve that instead.\n\n    resolvedActionType = name;\n\n    var action = keyDef[name];\n    if (typeof action == 'function')\n      action = action.apply(self.keyMap, [e, keyDef]);\n\n    if (action === DEFAULT && name != 'normal')\n      action = getAction('normal');\n\n    return action;\n  }\n\n  // Note that we use the triple-equals ('===') operator to test equality for\n  // these constants, in order to distinguish usage of the constant from usage\n  // of a literal string that happens to contain the same bytes.\n  var CANCEL = hterm.Keyboard.KeyActions.CANCEL;\n  var DEFAULT = hterm.Keyboard.KeyActions.DEFAULT;\n  var PASS = hterm.Keyboard.KeyActions.PASS;\n  var STRIP = hterm.Keyboard.KeyActions.STRIP;\n\n  var control = e.ctrlKey;\n  var alt = this.altIsMeta ? false : e.altKey;\n  var meta = this.altIsMeta ? (e.altKey || e.metaKey) : e.metaKey;\n\n  // In the key-map, we surround the keyCap for non-printables in \"[...]\"\n  var isPrintable = !(/^\\[\\w+\\]$/.test(keyDef.keyCap));\n\n  switch (this.altGrMode) {\n    case 'ctrl-alt':\n    if (isPrintable && control && alt) {\n      // ctrl-alt-printable means altGr.  We clear out the control and\n      // alt modifiers and wait to see the charCode in the keydown event.\n      control = false;\n      alt = false;\n    }\n    break;\n\n    case 'right-alt':\n    if (isPrintable && (this.terminal.keyboard.altKeyPressed & 2)) {\n      control = false;\n      alt = false;\n    }\n    break;\n\n    case 'left-alt':\n    if (isPrintable && (this.terminal.keyboard.altKeyPressed & 1)) {\n      control = false;\n      alt = false;\n    }\n    break;\n  }\n\n  var action;\n\n  if (control) {\n    action = getAction('control');\n  } else if (alt) {\n    action = getAction('alt');\n  } else if (meta) {\n    action = getAction('meta');\n  } else {\n    action = getAction('normal');\n  }\n\n  // If e.maskShiftKey was set (during getAction) it means the shift key is\n  // already accounted for in the action, and we should not act on it any\n  // further. This is currently only used for Ctrl-Shift-Tab, which should send\n  // \"CSI Z\", not \"CSI 1 ; 2 Z\".\n  var shift = !e.maskShiftKey && e.shiftKey;\n\n  var keyDown = {\n    keyCode: e.keyCode,\n    shift: e.shiftKey, // not `var shift` from above.\n    ctrl: control,\n    alt: alt,\n    meta: meta\n  };\n\n  var binding = this.bindings.getBinding(keyDown);\n\n  if (binding) {\n    // Clear out the modifier bits so we don't try to munge the sequence\n    // further.\n    shift = control = alt = meta = false;\n    resolvedActionType = 'normal';\n    action = binding.action;\n\n    if (typeof action == 'function')\n      action = action.call(this, this.terminal, keyDown);\n  }\n\n  if (alt && this.altSendsWhat == 'browser-key' && action == DEFAULT) {\n    // When altSendsWhat is 'browser-key', we wait for the keypress event.\n    // In keypress, the browser should have set the event.charCode to the\n    // appropriate character.\n    // TODO(rginda): Character compositions will need some black magic.\n    action = PASS;\n  }\n\n  if (action === PASS || (action === DEFAULT && !(control || alt || meta))) {\n    // If this key is supposed to be handled by the browser, or it is an\n    // unmodified key with the default action, then exit this event handler.\n    // If it's an unmodified key, it'll be handled in onKeyPress where we\n    // can tell for sure which ASCII code to insert.\n    //\n    // This block needs to come before the STRIP test, otherwise we'll strip\n    // the modifier and think it's ok to let the browser handle the keypress.\n    // The browser won't know we're trying to ignore the modifiers and might\n    // perform some default action.\n    return;\n  }\n\n  if (action === STRIP) {\n    alt = control = false;\n    action = keyDef.normal;\n    if (typeof action == 'function')\n      action = action.apply(this.keyMap, [e, keyDef]);\n\n    if (action == DEFAULT && keyDef.keyCap.length == 2)\n      action = keyDef.keyCap.substr((shift ? 1 : 0), 1);\n  }\n\n  e.preventDefault();\n  e.stopPropagation();\n\n  if (action === CANCEL)\n    return;\n\n  if (action !== DEFAULT && typeof action != 'string') {\n    console.warn('Invalid action: ' + JSON.stringify(action));\n    return;\n  }\n\n  // Strip the modifier that is associated with the action, since we assume that\n  // modifier has already been accounted for in the action.\n  if (resolvedActionType == 'control') {\n    control = false;\n  } else if (resolvedActionType == 'alt') {\n    alt = false;\n  } else if (resolvedActionType == 'meta') {\n    meta = false;\n  }\n\n  if (action.substr(0, 2) == '\\x1b[' && (alt || control || shift)) {\n    // The action is an escape sequence that and it was triggered in the\n    // presence of a keyboard modifier, we may need to alter the action to\n    // include the modifier before sending it.\n\n    var mod;\n\n    if (shift && !(alt || control)) {\n      mod = ';2';\n    } else if (alt && !(shift || control)) {\n      mod = ';3';\n    } else if (shift && alt && !control) {\n      mod = ';4';\n    } else if (control && !(shift || alt)) {\n      mod = ';5';\n    } else if (shift && control && !alt) {\n      mod = ';6';\n    } else if (alt && control && !shift) {\n      mod = ';7';\n    } else if (shift && alt && control) {\n      mod = ';8';\n    }\n\n    if (action.length == 3) {\n      // Some of the CSI sequences have zero parameters unless modified.\n      action = '\\x1b[1' + mod + action.substr(2, 1);\n    } else {\n      // Others always have at least one parameter.\n      action = action.substr(0, action.length - 1) + mod +\n          action.substr(action.length - 1);\n    }\n\n  } else {\n    if (action === DEFAULT) {\n      action = keyDef.keyCap.substr((shift ? 1 : 0), 1);\n\n      if (control) {\n        var unshifted = keyDef.keyCap.substr(0, 1);\n        var code = unshifted.charCodeAt(0);\n        if (code >= 64 && code <= 95) {\n          action = String.fromCharCode(code - 64);\n        }\n      }\n    }\n\n    if (alt && this.altSendsWhat == '8-bit' && action.length == 1) {\n      var code = action.charCodeAt(0) + 128;\n      action = String.fromCharCode(code);\n    }\n\n    // We respect alt/metaSendsEscape even if the keymap action was a literal\n    // string.  Otherwise, every overridden alt/meta action would have to\n    // check alt/metaSendsEscape.\n    if ((alt && this.altSendsWhat == 'escape') ||\n        (meta && this.metaSendsEscape)) {\n      action = '\\x1b' + action;\n    }\n  }\n\n  this.terminal.onVTKeystroke(action);\n};\n// SOURCE FILE: hterm/js/hterm_keyboard_bindings.js\n// Copyright (c) 2015 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\n/**\n * A mapping from hterm.Keyboard.KeyPattern to an action.\n *\n * TODO(rginda): For now this bindings code is only used for user overrides.\n * hterm.Keyboard.KeyMap still handles all of the built-in key mappings.\n * It'd be nice if we migrated that over to be hterm.Keyboard.Bindings based.\n */\nhterm.Keyboard.Bindings = function() {\n  this.bindings_ = {};\n};\n\n/**\n * Remove all bindings.\n */\nhterm.Keyboard.Bindings.prototype.clear = function () {\n  this.bindings_ = {};\n};\n\n/**\n * Add a new binding.\n *\n * Internal API that assumes parsed objects as inputs.\n * See the public addBinding for more details.\n *\n * @param {hterm.Keyboard.KeyPattern} keyPattern\n * @param {string|function|hterm.Keyboard.KeyAction} action\n */\nhterm.Keyboard.Bindings.prototype.addBinding_ = function(keyPattern, action) {\n  var binding = null;\n  var list = this.bindings_[keyPattern.keyCode];\n  if (list) {\n    for (var i = 0; i < list.length; i++) {\n      if (list[i].keyPattern.matchKeyPattern(keyPattern)) {\n        binding = list[i];\n        break;\n      }\n    }\n  }\n\n  if (binding) {\n    binding.action = action;\n  } else {\n    binding = {keyPattern: keyPattern, action: action};\n\n    if (!list) {\n      this.bindings_[keyPattern.keyCode] = [binding];\n    } else {\n      this.bindings_[keyPattern.keyCode].push(binding);\n\n      list.sort(function(a, b) {\n        return hterm.Keyboard.KeyPattern.sortCompare(\n            a.keyPattern, b.keyPattern);\n      });\n    }\n  }\n};\n\n/**\n * Add a new binding.\n *\n * If a binding for the keyPattern already exists it will be overridden.\n *\n * More specific keyPatterns take precedence over those with wildcards.  Given\n * bindings for \"Ctrl-A\" and \"Ctrl-*-A\", and a \"Ctrl-A\" keydown, the \"Ctrl-A\"\n * binding will match even if \"Ctrl-*-A\" was created last.\n *\n * If action is a string, it will be passed through hterm.Parser.parseKeyAction.\n *\n * For example:\n *   // Will replace Ctrl-P keystrokes with the string \"hiya!\".\n *   addBinding('Ctrl-P', \"'hiya!'\");\n *   // Will cancel the keystroke entirely (make it do nothing).\n *   addBinding('Alt-D', hterm.Keyboard.KeyActions.CANCEL);\n *   // Will execute the code and return the action.\n *   addBinding('Ctrl-T', function() {\n *     console.log('Got a T!');\n *     return hterm.Keyboard.KeyActions.PASS;\n *   });\n *\n * @param {string|hterm.Keyboard.KeyPattern} keyPattern\n * @param {string|function|hterm.Keyboard.KeyAction} action\n */\nhterm.Keyboard.Bindings.prototype.addBinding = function(key, action) {\n  // If we're given a hterm.Keyboard.KeyPattern object, pass it down.\n  if (typeof key != 'string') {\n    this.addBinding_(key, action);\n    return;\n  }\n\n  // Here we treat key as a string.\n  var p = new hterm.Parser();\n\n  p.reset(key);\n  var sequence;\n\n  try {\n    sequence = p.parseKeySequence();\n  } catch (ex) {\n    console.error(ex);\n    return;\n  }\n\n  if (!p.isComplete()) {\n    console.error(p.error('Expected end of sequence: ' + sequence));\n    return;\n  }\n\n  // If action is a string, parse it.  Otherwise assume it's callable.\n  if (typeof action == 'string') {\n    p.reset(action);\n    try {\n      action = p.parseKeyAction();\n    } catch (ex) {\n      console.error(ex);\n      return;\n    }\n  }\n\n  if (!p.isComplete()) {\n    console.error(p.error('Expected end of sequence: ' + sequence));\n    return;\n  }\n\n  this.addBinding_(new hterm.Keyboard.KeyPattern(sequence), action);\n};\n\n/**\n * Add multiple bindings at a time using a map of {string: string, ...}\n *\n * This uses hterm.Parser to parse the maps key into KeyPatterns, and the\n * map values into {string|function|KeyAction}.\n *\n * For example:\n *  {\n *    // Will replace Ctrl-P keystrokes with the string \"hiya!\".\n *    'Ctrl-P': \"'hiya!'\",\n *    // Will cancel the keystroke entirely (make it do nothing).\n *    'Alt-D': hterm.Keyboard.KeyActions.CANCEL,\n *  }\n *\n * @param {Object} map\n */\nhterm.Keyboard.Bindings.prototype.addBindings = function(map) {\n  for (var key in map) {\n    this.addBinding(key, map[key]);\n  }\n};\n\n/**\n * Return the binding that is the best match for the given keyDown record,\n * or null if there is no match.\n *\n * @param {Object} keyDown An object with a keyCode property and zero or\n *   more boolean properties representing key modifiers.  These property names\n *   must match those defined in hterm.Keyboard.KeyPattern.modifiers.\n */\nhterm.Keyboard.Bindings.prototype.getBinding = function(keyDown) {\n  var list = this.bindings_[keyDown.keyCode];\n  if (!list)\n    return null;\n\n  for (var i = 0; i < list.length; i++) {\n    var binding = list[i];\n    if (binding.keyPattern.matchKeyDown(keyDown))\n      return binding;\n  }\n\n  return null;\n};\n// SOURCE FILE: hterm/js/hterm_keyboard_keymap.js\n// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\nlib.rtdep('hterm.Keyboard.KeyActions');\n\n/**\n * The default key map for hterm.\n *\n * Contains a mapping of keyCodes to keyDefs (aka key definitions).  The key\n * definition tells the hterm.Keyboard class how to handle keycodes.\n *\n * This should work for most cases, as the printable characters get handled\n * in the keypress event.  In that case, even if the keycap is wrong in the\n * key map, the correct character should be sent.\n *\n * Different layouts, such as Dvorak should work with this keymap, as those\n * layouts typically move keycodes around on the keyboard without disturbing\n * the actual keycaps.\n *\n * There may be issues with control keys on non-US keyboards or with keyboards\n * that very significantly from the expectations here, in which case we may\n * have to invent new key maps.\n *\n * The sequences defined in this key map come from [XTERM] as referenced in\n * vt.js, starting with the section titled \"Alt and Meta Keys\".\n */\nhterm.Keyboard.KeyMap = function(keyboard) {\n  this.keyboard = keyboard;\n  this.keyDefs = {};\n  this.reset();\n};\n\n/**\n * Add a single key definition.\n *\n * The definition is a hash containing the following keys: 'keyCap', 'normal',\n * 'control', and 'alt'.\n *\n *  - keyCap is a string identifying the key.  For printable\n *    keys, the key cap should be exactly two characters, starting with the\n *    unshifted version.  For example, 'aA', 'bB', '1!' and '=+'.  For\n *    non-printable the key cap should be surrounded in square braces, as in\n *    '[INS]', '[LEFT]'.  By convention, non-printable keycaps are in uppercase\n *    but this is not a strict requirement.\n *\n *  - Normal is the action that should be performed when they key is pressed\n *    in the absence of any modifier.  See below for the supported actions.\n *\n *  - Control is the action that should be performed when they key is pressed\n *    along with the control modifier.  See below for the supported actions.\n *\n *  - Alt is the action that should be performed when they key is pressed\n *    along with the alt modifier.  See below for the supported actions.\n *\n *  - Meta is the action that should be performed when they key is pressed\n *    along with the meta modifier.  See below for the supported actions.\n *\n * Actions can be one of the hterm.Keyboard.KeyActions as documented below,\n * a literal string, or an array.  If the action is a literal string then\n * the string is sent directly to the host.  If the action is an array it\n * is taken to be an escape sequence that may be altered by modifier keys.\n * The second-to-last element of the array will be overwritten with the\n * state of the modifier keys, as specified in the final table of \"PC-Style\n * Function Keys\" from [XTERM].\n */\nhterm.Keyboard.KeyMap.prototype.addKeyDef = function(keyCode, def) {\n  if (keyCode in this.keyDefs)\n    console.warn('Duplicate keyCode: ' + keyCode);\n\n  this.keyDefs[keyCode] = def;\n};\n\n/**\n * Add multiple key definitions in a single call.\n *\n * This function takes the key definitions as variable argument list.  Each\n * argument is the key definition specified as an array.\n *\n * (If the function took everything as one big hash we couldn't detect\n * duplicates, and there would be a lot more typing involved.)\n *\n * Each key definition should have 6 elements: (keyCode, keyCap, normal action,\n * control action, alt action and meta action).  See KeyMap.addKeyDef for the\n * meaning of these elements.\n */\nhterm.Keyboard.KeyMap.prototype.addKeyDefs = function(var_args) {\n  for (var i = 0; i < arguments.length; i++) {\n    this.addKeyDef(arguments[i][0],\n                   { keyCap: arguments[i][1],\n                     normal: arguments[i][2],\n                     control: arguments[i][3],\n                     alt: arguments[i][4],\n                     meta: arguments[i][5]\n                   });\n  }\n};\n\n/**\n * Set up the default state for this keymap.\n */\nhterm.Keyboard.KeyMap.prototype.reset = function() {\n  this.keyDefs = {};\n\n  var self = this;\n\n  // This function is used by the \"macro\" functions below.  It makes it\n  // possible to use the call() macro as an argument to any other macro.\n  function resolve(action, e, k) {\n    if (typeof action == 'function')\n      return action.apply(self, [e, k]);\n\n    return action;\n  }\n\n  // If not application keypad a, else b.  The keys that care about\n  // application keypad ignore it when the key is modified.\n  function ak(a, b) {\n    return function(e, k) {\n      var action = (e.shiftKey || e.ctrlKey || e.altKey || e.metaKey ||\n                    !self.keyboard.applicationKeypad) ? a : b;\n      return resolve(action, e, k);\n    };\n  }\n\n  // If mod or not application cursor a, else b.  The keys that care about\n  // application cursor ignore it when the key is modified.\n  function ac(a, b) {\n    return function(e, k) {\n      var action = (e.shiftKey || e.ctrlKey || e.altKey || e.metaKey ||\n                    !self.keyboard.applicationCursor) ? a : b;\n      return resolve(action, e, k);\n    };\n  }\n\n  // If not backspace-sends-backspace keypad a, else b.\n  function bs(a, b) {\n    return function(e, k) {\n      var action = !self.keyboard.backspaceSendsBackspace ? a : b;\n      return resolve(action, e, k);\n    };\n  }\n\n  // If not e.shiftKey a, else b.\n  function sh(a, b) {\n    return function(e, k) {\n      var action = !e.shiftKey ? a : b;\n      e.maskShiftKey = true;\n      return resolve(action, e, k);\n    };\n  }\n\n  // If not e.altKey a, else b.\n  function alt(a, b) {\n    return function(e, k) {\n      var action = !e.altKey ? a : b;\n      return resolve(action, e, k);\n    };\n  }\n\n  // If no modifiers a, else b.\n  function mod(a, b) {\n    return function(e, k) {\n      var action = !(e.shiftKey || e.ctrlKey || e.altKey || e.metaKey) ? a : b;\n      return resolve(action, e, k);\n    };\n  }\n\n  // Compute a control character for a given character.\n  function ctl(ch) { return String.fromCharCode(ch.charCodeAt(0) - 64) }\n\n  // Call a method on the keymap instance.\n  function c(m) { return function (e, k) { return this[m](e, k) } }\n\n  // Ignore if not trapping media keys.\n  function med(fn) {\n    return function(e, k) {\n      if (!self.keyboard.mediaKeysAreFKeys) {\n        // Block Back, Forward, and Reload keys to avoid navigating away from\n        // the current page.\n        return (e.keyCode == 166 || e.keyCode == 167 || e.keyCode == 168) ?\n            hterm.Keyboard.KeyActions.CANCEL :\n            hterm.Keyboard.KeyActions.PASS;\n      }\n      return resolve(fn, e, k);\n    };\n  }\n\n  var ESC = '\\x1b';\n  var CSI = '\\x1b[';\n  var SS3 = '\\x1bO';\n\n  var CANCEL = hterm.Keyboard.KeyActions.CANCEL;\n  var DEFAULT = hterm.Keyboard.KeyActions.DEFAULT;\n  var PASS = hterm.Keyboard.KeyActions.PASS;\n  var STRIP = hterm.Keyboard.KeyActions.STRIP;\n\n  this.addKeyDefs(\n    // These fields are: [keycode, keycap, normal, control, alt, meta]\n\n    // The browser sends the keycode 0 for some keys.  We'll just assume it's\n    // going to do the right thing by default for those keys.\n    [0,   '[UNKNOWN]', PASS, PASS, PASS, PASS],\n\n    // First row.\n    [27,  '[ESC]', ESC,                       DEFAULT, DEFAULT,     DEFAULT],\n    [112, '[F1]',  mod(SS3 + 'P', CSI + 'P'), DEFAULT, CSI + \"23~\", DEFAULT],\n    [113, '[F2]',  mod(SS3 + 'Q', CSI + 'Q'), DEFAULT, CSI + \"24~\", DEFAULT],\n    [114, '[F3]',  mod(SS3 + 'R', CSI + 'R'), DEFAULT, CSI + \"25~\", DEFAULT],\n    [115, '[F4]',  mod(SS3 + 'S', CSI + 'S'), DEFAULT, CSI + \"26~\", DEFAULT],\n    [116, '[F5]',  CSI + '15~',               DEFAULT, CSI + \"28~\", DEFAULT],\n    [117, '[F6]',  CSI + '17~',               DEFAULT, CSI + \"29~\", DEFAULT],\n    [118, '[F7]',  CSI + '18~',               DEFAULT, CSI + \"31~\", DEFAULT],\n    [119, '[F8]',  CSI + '19~',               DEFAULT, CSI + \"32~\", DEFAULT],\n    [120, '[F9]',  CSI + '20~',               DEFAULT, CSI + \"33~\", DEFAULT],\n    [121, '[F10]', CSI + '21~',               DEFAULT, CSI + \"34~\", DEFAULT],\n    [122, '[F11]', CSI + '23~',               DEFAULT, CSI + \"42~\", DEFAULT],\n    [123, '[F12]', CSI + '24~',               DEFAULT, CSI + \"43~\", DEFAULT],\n\n    // Second row.\n    [192, '`~', DEFAULT, sh(ctl('@'), ctl('^')),     DEFAULT,           PASS],\n    [49,  '1!', DEFAULT, c('onCtrlNum_'),    c('onAltNum_'), c('onMetaNum_')],\n    [50,  '2@', DEFAULT, c('onCtrlNum_'),    c('onAltNum_'), c('onMetaNum_')],\n    [51,  '3#', DEFAULT, c('onCtrlNum_'),    c('onAltNum_'), c('onMetaNum_')],\n    [52,  '4$', DEFAULT, c('onCtrlNum_'),    c('onAltNum_'), c('onMetaNum_')],\n    [53,  '5%', DEFAULT, c('onCtrlNum_'),    c('onAltNum_'), c('onMetaNum_')],\n    [54,  '6^', DEFAULT, c('onCtrlNum_'),    c('onAltNum_'), c('onMetaNum_')],\n    [55,  '7&', DEFAULT, c('onCtrlNum_'),    c('onAltNum_'), c('onMetaNum_')],\n    [56,  '8*', DEFAULT, c('onCtrlNum_'),    c('onAltNum_'), c('onMetaNum_')],\n    [57,  '9(', DEFAULT, c('onCtrlNum_'),    c('onAltNum_'), c('onMetaNum_')],\n    [48,  '0)', DEFAULT, c('onPlusMinusZero_'),c('onAltNum_'),c('onPlusMinusZero_')],\n    [189, '-_', DEFAULT, c('onPlusMinusZero_'), DEFAULT, c('onPlusMinusZero_')],\n    [187, '=+', DEFAULT, c('onPlusMinusZero_'), DEFAULT, c('onPlusMinusZero_')],\n    // Firefox -_ and =+\n    [173, '-_', DEFAULT, c('onPlusMinusZero_'), DEFAULT, c('onPlusMinusZero_')],\n    [61, '=+', DEFAULT, c('onPlusMinusZero_'), DEFAULT, c('onPlusMinusZero_')],\n    // Firefox Italian +*\n    [171, '+*', DEFAULT, c('onPlusMinusZero_'), DEFAULT, c('onPlusMinusZero_')],\n\n    [8,   '[BKSP]', bs('\\x7f', '\\b'), bs('\\b', '\\x7f'), DEFAULT,     DEFAULT],\n\n    // Third row.\n    [9,   '[TAB]', sh('\\t', CSI + 'Z'), STRIP,     PASS,    DEFAULT],\n    [81,  'qQ',    DEFAULT,             ctl('Q'),  DEFAULT, DEFAULT],\n    [87,  'wW',    DEFAULT,             ctl('W'),  DEFAULT, DEFAULT],\n    [69,  'eE',    DEFAULT,             ctl('E'),  DEFAULT, DEFAULT],\n    [82,  'rR',    DEFAULT,             ctl('R'),  DEFAULT, DEFAULT],\n    [84,  'tT',    DEFAULT,             ctl('T'),  DEFAULT, DEFAULT],\n    [89,  'yY',    DEFAULT,             ctl('Y'),  DEFAULT, DEFAULT],\n    [85,  'uU',    DEFAULT,             ctl('U'),  DEFAULT, DEFAULT],\n    [73,  'iI',    DEFAULT,             ctl('I'),  DEFAULT, DEFAULT],\n    [79,  'oO',    DEFAULT,             ctl('O'),  DEFAULT, DEFAULT],\n    [80,  'pP',    DEFAULT,             ctl('P'),  DEFAULT, DEFAULT],\n    [219, '[{',    DEFAULT,             ctl('['),  DEFAULT, DEFAULT],\n    [221, ']}',    DEFAULT,             ctl(']'),  DEFAULT, DEFAULT],\n    [220, '\\\\|',   DEFAULT,             ctl('\\\\'), DEFAULT, DEFAULT],\n\n    // Fourth row. (We let Ctrl-Shift-J pass for Chrome DevTools.)\n    [20,  '[CAPS]',  PASS,    PASS,                           PASS,    DEFAULT],\n    [65,  'aA',      DEFAULT, ctl('A'),                       DEFAULT, DEFAULT],\n    [83,  'sS',      DEFAULT, ctl('S'),                       DEFAULT, DEFAULT],\n    [68,  'dD',      DEFAULT, ctl('D'),                       DEFAULT, DEFAULT],\n    [70,  'fF',      DEFAULT, ctl('F'),                       DEFAULT, DEFAULT],\n    [71,  'gG',      DEFAULT, ctl('G'),                       DEFAULT, DEFAULT],\n    [72,  'hH',      DEFAULT, ctl('H'),                       DEFAULT, DEFAULT],\n    [74,  'jJ',      DEFAULT, sh(ctl('J'), PASS),             DEFAULT, DEFAULT],\n    [75,  'kK',      DEFAULT, sh(ctl('K'), c('onClear_')),    DEFAULT, DEFAULT],\n    [76,  'lL',      DEFAULT, sh(ctl('L'), PASS),             DEFAULT, DEFAULT],\n    [186, ';:',      DEFAULT, STRIP,                          DEFAULT, DEFAULT],\n    [222, '\\'\"',     DEFAULT, STRIP,                          DEFAULT, DEFAULT],\n    [13,  '[ENTER]', '\\r',    CANCEL,                         CANCEL,  DEFAULT],\n\n    // Fifth row.  This includes the copy/paste shortcuts.  On some\n    // platforms it's Ctrl-C/V, on others it's Meta-C/V.  We assume either\n    // Ctrl-C/Meta-C should pass to the browser when there is a selection,\n    // and Ctrl-Shift-V/Meta-*-V should always pass to the browser (since\n    // these seem to be recognized as paste too).\n    [16,  '[SHIFT]', PASS, PASS,                   PASS,    DEFAULT],\n    [90,  'zZ',   DEFAULT, ctl('Z'),               DEFAULT, DEFAULT],\n    [88,  'xX',   DEFAULT, ctl('X'),               DEFAULT, DEFAULT],\n    [67,  'cC',   DEFAULT, c('onCtrlC_'),          DEFAULT, c('onMetaC_')],\n    [86,  'vV',   DEFAULT, c('onCtrlV_'),          DEFAULT, c('onMetaV_')],\n    [66,  'bB',   DEFAULT, sh(ctl('B'), PASS),     DEFAULT, sh(DEFAULT, PASS)],\n    [78,  'nN',   DEFAULT, c('onCtrlN_'),          DEFAULT, c('onMetaN_')],\n    [77,  'mM',   DEFAULT, ctl('M'),               DEFAULT, DEFAULT],\n    [188, ',<',   DEFAULT, alt(STRIP, PASS),       DEFAULT, DEFAULT],\n    [190, '.>',   DEFAULT, alt(STRIP, PASS),       DEFAULT, DEFAULT],\n    [191, '/?',   DEFAULT, sh(ctl('_'), ctl('?')), DEFAULT, DEFAULT],\n\n    // Sixth and final row.\n    [17,  '[CTRL]',  PASS,    PASS,     PASS,    PASS],\n    [18,  '[ALT]',   PASS,    PASS,     PASS,    PASS],\n    [91,  '[LAPL]',  PASS,    PASS,     PASS,    PASS],\n    [32,  ' ',       DEFAULT, ctl('@'), DEFAULT, DEFAULT],\n    [92,  '[RAPL]',  PASS,    PASS,     PASS,    PASS],\n    [93,  '[RMENU]', PASS,    PASS,     PASS,    PASS],\n\n    // These things.\n    [42,  '[PRTSCR]', PASS, PASS, PASS, PASS],\n    [145, '[SCRLK]',  PASS, PASS, PASS, PASS],\n    [19,  '[BREAK]',  PASS, PASS, PASS, PASS],\n\n    // The block of six keys above the arrows.\n    [45,  '[INSERT]', c('onKeyInsert_'),   DEFAULT, DEFAULT, DEFAULT],\n    [36,  '[HOME]',   c('onKeyHome_'),     DEFAULT, DEFAULT, DEFAULT],\n    [33,  '[PGUP]',   c('onKeyPageUp_'),   DEFAULT, DEFAULT, DEFAULT],\n    [46,  '[DEL]',    c('onKeyDel_'),      DEFAULT, DEFAULT, DEFAULT],\n    [35,  '[END]',    c('onKeyEnd_'),      DEFAULT, DEFAULT, DEFAULT],\n    [34,  '[PGDOWN]', c('onKeyPageDown_'), DEFAULT, DEFAULT, DEFAULT],\n\n    // Arrow keys.  When unmodified they respect the application cursor state,\n    // otherwise they always send the CSI codes.\n    [38, '[UP]',    c('onKeyArrowUp_'), DEFAULT, DEFAULT, DEFAULT],\n    [40, '[DOWN]',  c('onKeyArrowDown_'), DEFAULT, DEFAULT, DEFAULT],\n    [39, '[RIGHT]', ac(CSI + 'C', SS3 + 'C'), DEFAULT, DEFAULT, DEFAULT],\n    [37, '[LEFT]',  ac(CSI + 'D', SS3 + 'D'), DEFAULT, DEFAULT, DEFAULT],\n\n    [144, '[NUMLOCK]', PASS, PASS, PASS, PASS],\n\n    // With numlock off, the keypad generates the same key codes as the arrows\n    // and 'block of six' for some keys, and null key codes for the rest.\n\n    // Keypad with numlock on generates unique key codes...\n    [96,  '[KP0]', DEFAULT, DEFAULT, DEFAULT, DEFAULT],\n    [97,  '[KP1]', DEFAULT, DEFAULT, DEFAULT, DEFAULT],\n    [98,  '[KP2]', DEFAULT, DEFAULT, DEFAULT, DEFAULT],\n    [99,  '[KP3]', DEFAULT, DEFAULT, DEFAULT, DEFAULT],\n    [100, '[KP4]', DEFAULT, DEFAULT, DEFAULT, DEFAULT],\n    [101, '[KP5]', DEFAULT, DEFAULT, DEFAULT, DEFAULT],\n    [102, '[KP6]', DEFAULT, DEFAULT, DEFAULT, DEFAULT],\n    [103, '[KP7]', DEFAULT, DEFAULT, DEFAULT, DEFAULT],\n    [104, '[KP8]', DEFAULT, DEFAULT, DEFAULT, DEFAULT],\n    [105, '[KP9]', DEFAULT, DEFAULT, DEFAULT, DEFAULT],\n    [107, '[KP+]', DEFAULT, c('onPlusMinusZero_'), DEFAULT, c('onPlusMinusZero_')],\n    [109, '[KP-]', DEFAULT, c('onPlusMinusZero_'), DEFAULT, c('onPlusMinusZero_')],\n    [106, '[KP*]', DEFAULT, DEFAULT, DEFAULT, DEFAULT],\n    [111, '[KP/]', DEFAULT, DEFAULT, DEFAULT, DEFAULT],\n    [110, '[KP.]', DEFAULT, DEFAULT, DEFAULT, DEFAULT],\n\n    // Chrome OS keyboard top row.\n    [166, '[BACK]',   med(mod(SS3+'P', CSI+'P')), DEFAULT, CSI+\"23~\", DEFAULT],\n    [167, '[FWD]',    med(mod(SS3+'Q', CSI+'Q')), DEFAULT, CSI+\"24~\", DEFAULT],\n    [168, '[RELOAD]', med(mod(SS3+'R', CSI+'R')), DEFAULT, CSI+\"25~\", DEFAULT],\n    [183, '[FSCR]',   med(mod(SS3+'S', CSI+'S')), DEFAULT, CSI+\"26~\", DEFAULT],\n    [182, '[WINS]',   med(CSI + '15~'),           DEFAULT, CSI+\"28~\", DEFAULT],\n    [216, '[BRIT-]',  med(CSI + '17~'),           DEFAULT, CSI+\"29~\", DEFAULT],\n    [217, '[BRIT+]',  med(CSI + '18~'),           DEFAULT, CSI+\"31~\", DEFAULT]\n\n    // 173 [MUTE], 174 [VOL-] and 175 [VOL+] are trapped by the Chrome OS\n    // window manager, so we'll never see them. Note that 173 is also\n    // Firefox's -_ keycode.\n  );\n};\n\n/**\n * Either allow the paste or send a key sequence.\n */\nhterm.Keyboard.KeyMap.prototype.onKeyInsert_ = function(e) {\n  if (this.keyboard.shiftInsertPaste && e.shiftKey)\n    return hterm.Keyboard.KeyActions.PASS;\n\n  return '\\x1b[2~';\n};\n\n/**\n * Either scroll the scrollback buffer or send a key sequence.\n */\nhterm.Keyboard.KeyMap.prototype.onKeyHome_ = function(e) {\n  if (!this.keyboard.homeKeysScroll ^ e.shiftKey) {\n    if ((e.altey || e.ctrlKey || e.shiftKey) ||\n        !this.keyboard.applicationCursor) {\n      return '\\x1b[H';\n    }\n\n    return '\\x1bOH';\n  }\n\n  this.keyboard.terminal.scrollHome();\n  return hterm.Keyboard.KeyActions.CANCEL;\n};\n\n/**\n * Either scroll the scrollback buffer or send a key sequence.\n */\nhterm.Keyboard.KeyMap.prototype.onKeyEnd_ = function(e) {\n  if (!this.keyboard.homeKeysScroll ^ e.shiftKey) {\n    if ((e.altKey || e.ctrlKey || e.shiftKey) ||\n        !this.keyboard.applicationCursor) {\n      return '\\x1b[F';\n    }\n\n    return '\\x1bOF';\n  }\n\n  this.keyboard.terminal.scrollEnd();\n  return hterm.Keyboard.KeyActions.CANCEL;\n};\n\n/**\n * Either scroll the scrollback buffer or send a key sequence.\n */\nhterm.Keyboard.KeyMap.prototype.onKeyPageUp_ = function(e) {\n  if (!this.keyboard.pageKeysScroll ^ e.shiftKey)\n    return '\\x1b[5~';\n\n  this.keyboard.terminal.scrollPageUp();\n  return hterm.Keyboard.KeyActions.CANCEL;\n};\n\n/**\n * Either send a true DEL, or sub in meta-backspace.\n *\n * On Chrome OS, if we know the alt key is down, but we get a DEL event that\n * claims that the alt key is not pressed, we know the DEL was a synthetic\n * one from a user that hit alt-backspace. Based on a user pref, we can sub\n * in meta-backspace in this case.\n */\nhterm.Keyboard.KeyMap.prototype.onKeyDel_ = function(e) {\n  if (this.keyboard.altBackspaceIsMetaBackspace &&\n      this.keyboard.altKeyPressed && !e.altKey)\n    return '\\x1b\\x7f';\n  return '\\x1b[3~';\n};\n\n/**\n * Either scroll the scrollback buffer or send a key sequence.\n */\nhterm.Keyboard.KeyMap.prototype.onKeyPageDown_ = function(e) {\n  if (!this.keyboard.pageKeysScroll ^ e.shiftKey)\n    return '\\x1b[6~';\n\n  this.keyboard.terminal.scrollPageDown();\n  return hterm.Keyboard.KeyActions.CANCEL;\n};\n\n/**\n * Either scroll the scrollback buffer or send a key sequence.\n */\nhterm.Keyboard.KeyMap.prototype.onKeyArrowUp_ = function(e) {\n  if (!this.keyboard.applicationCursor && e.shiftKey) {\n    this.keyboard.terminal.scrollLineUp();\n    return hterm.Keyboard.KeyActions.CANCEL;\n  }\n\n  return (e.shiftKey || e.ctrlKey || e.altKey || e.metaKey ||\n          !this.keyboard.applicationCursor) ? '\\x1b[A' : '\\x1bOA';\n};\n\n/**\n * Either scroll the scrollback buffer or send a key sequence.\n */\nhterm.Keyboard.KeyMap.prototype.onKeyArrowDown_ = function(e) {\n  if (!this.keyboard.applicationCursor && e.shiftKey) {\n    this.keyboard.terminal.scrollLineDown();\n    return hterm.Keyboard.KeyActions.CANCEL;\n  }\n\n  return (e.shiftKey || e.ctrlKey || e.altKey || e.metaKey ||\n          !this.keyboard.applicationCursor) ? '\\x1b[B' : '\\x1bOB';\n};\n\n/**\n * Clear the primary/alternate screens and the scrollback buffer.\n */\nhterm.Keyboard.KeyMap.prototype.onClear_ = function(e, keyDef) {\n  this.keyboard.terminal.wipeContents();\n  return hterm.Keyboard.KeyActions.CANCEL;\n};\n\n/**\n * Either pass Ctrl-1..9 to the browser or send them to the host.\n *\n * Note that Ctrl-1 and Ctrl-9 don't actually have special sequences mapped\n * to them in xterm or gnome-terminal.  The range is really Ctrl-2..8, but\n * we handle 1..9 since Chrome treats the whole range special.\n */\nhterm.Keyboard.KeyMap.prototype.onCtrlNum_ = function(e, keyDef) {\n  // Compute a control character for a given character.\n  function ctl(ch) { return String.fromCharCode(ch.charCodeAt(0) - 64) }\n\n  if (this.keyboard.terminal.passCtrlNumber && !e.shiftKey)\n    return hterm.Keyboard.KeyActions.PASS;\n\n  switch (keyDef.keyCap.substr(0, 1)) {\n    case '1': return '1';\n    case '2': return ctl('@');\n    case '3': return ctl('[');\n    case '4': return ctl('\\\\');\n    case '5': return ctl(']');\n    case '6': return ctl('^');\n    case '7': return ctl('_');\n    case '8': return '\\x7f';\n    case '9': return '9';\n  }\n};\n\n/**\n * Either pass Alt-1..9 to the browser or send them to the host.\n */\nhterm.Keyboard.KeyMap.prototype.onAltNum_ = function(e, keyDef) {\n  if (this.keyboard.terminal.passAltNumber && !e.shiftKey)\n    return hterm.Keyboard.KeyActions.PASS;\n\n  return hterm.Keyboard.KeyActions.DEFAULT;\n};\n\n/**\n * Either pass Meta-1..9 to the browser or send them to the host.\n */\nhterm.Keyboard.KeyMap.prototype.onMetaNum_ = function(e, keyDef) {\n  if (this.keyboard.terminal.passMetaNumber && !e.shiftKey)\n    return hterm.Keyboard.KeyActions.PASS;\n\n  return hterm.Keyboard.KeyActions.DEFAULT;\n};\n\n/**\n * Either send a ^C or interpret the keystroke as a copy command.\n */\nhterm.Keyboard.KeyMap.prototype.onCtrlC_ = function(e, keyDef) {\n  var selection = this.keyboard.terminal.getDocument().getSelection();\n\n  if (!selection.isCollapsed) {\n    if (this.keyboard.ctrlCCopy && !e.shiftKey) {\n      // Ctrl-C should copy if there is a selection, send ^C otherwise.\n      // Perform the copy by letting the browser handle Ctrl-C.  On most\n      // browsers, this is the *only* way to place text on the clipboard from\n      // the 'drive-by' web.\n      if (this.keyboard.terminal.clearSelectionAfterCopy) {\n        setTimeout(selection.collapseToEnd.bind(selection), 50);\n      }\n      return hterm.Keyboard.KeyActions.PASS;\n    }\n\n    if (!this.keyboard.ctrlCCopy && e.shiftKey) {\n      // Ctrl-Shift-C should copy if there is a selection, send ^C otherwise.\n      // Perform the copy manually.  This only works in situations where\n      // document.execCommand('copy') is allowed.\n      if (this.keyboard.terminal.clearSelectionAfterCopy) {\n        setTimeout(selection.collapseToEnd.bind(selection), 50);\n      }\n      this.keyboard.terminal.copySelectionToClipboard();\n      return hterm.Keyboard.KeyActions.CANCEL;\n    }\n  }\n\n  return '\\x03';\n};\n\n/**\n * Either send a ^N or open a new window to the same location.\n */\nhterm.Keyboard.KeyMap.prototype.onCtrlN_ = function(e, keyDef) {\n  if (e.shiftKey) {\n    window.open(document.location.href, '',\n                'chrome=no,close=yes,resize=yes,scrollbars=yes,' +\n                'minimizable=yes,width=' + window.innerWidth +\n                ',height=' + window.innerHeight);\n    return hterm.Keyboard.KeyActions.CANCEL;\n  }\n\n  return '\\x0e';\n};\n\n/**\n * Either send a ^V or issue a paste command.\n *\n * The default behavior is to paste if the user presses Ctrl-Shift-V, and send\n * a ^V if the user presses Ctrl-V. This can be flipped with the\n * 'ctrl-v-paste' preference.\n *\n */\nhterm.Keyboard.KeyMap.prototype.onCtrlV_ = function(e, keyDef) {\n  if ((!e.shiftKey && this.keyboard.ctrlVPaste) ||\n      (e.shiftKey && !this.keyboard.ctrlVPaste)) {\n    // We try to do the pasting ourselves as not all browsers/OSs bind Ctrl-V to\n    // pasting.  Notably, on macOS, Ctrl-V/Ctrl-Shift-V do nothing.\n    // However, this might run into web restrictions, so if it fails, we still\n    // fallback to the letting the native behavior (hopefully) save us.\n    if (this.keyboard.terminal.paste())\n      return hterm.Keyboard.KeyActions.CANCEL;\n    else\n      return hterm.Keyboard.KeyActions.PASS;\n  }\n\n  return '\\x16';\n};\n\n/**\n * Either the default action or open a new window to the same location.\n */\nhterm.Keyboard.KeyMap.prototype.onMetaN_ = function(e, keyDef) {\n  if (e.shiftKey) {\n    window.open(document.location.href, '',\n                'chrome=no,close=yes,resize=yes,scrollbars=yes,' +\n                'minimizable=yes,width=' + window.outerWidth +\n                ',height=' + window.outerHeight);\n    return hterm.Keyboard.KeyActions.CANCEL;\n  }\n\n  return hterm.Keyboard.KeyActions.DEFAULT;\n};\n\n/**\n * Either send a Meta-C or allow the browser to interpret the keystroke as a\n * copy command.\n *\n * If there is no selection, or if the user presses Meta-Shift-C, then we'll\n * transmit an '\\x1b' (if metaSendsEscape is on) followed by 'c' or 'C'.\n *\n * If there is a selection, we defer to the browser.  In this case we clear out\n * the selection so the user knows we heard them, and also to give them a\n * chance to send a Meta-C by just hitting the key again.\n */\nhterm.Keyboard.KeyMap.prototype.onMetaC_ = function(e, keyDef) {\n  var document = this.keyboard.terminal.getDocument();\n  if (e.shiftKey || document.getSelection().isCollapsed) {\n    // If the shift key is being held, or there is no document selection, send\n    // a Meta-C.  The keyboard code will add the ESC if metaSendsEscape is true,\n    // we just have to decide between 'c' and 'C'.\n    return keyDef.keyCap.substr(e.shiftKey ? 1 : 0, 1);\n  }\n\n  // Otherwise let the browser handle it as a copy command.\n  if (this.keyboard.terminal.clearSelectionAfterCopy) {\n    setTimeout(function() { document.getSelection().collapseToEnd() }, 50);\n  }\n  return hterm.Keyboard.KeyActions.PASS;\n};\n\n/**\n * Either PASS or DEFAULT Meta-V, depending on preference.\n *\n * Always PASS Meta-Shift-V to allow browser to interpret the keystroke as\n * a paste command.\n */\nhterm.Keyboard.KeyMap.prototype.onMetaV_ = function(e, keyDef) {\n  if (e.shiftKey)\n    return hterm.Keyboard.KeyActions.PASS;\n\n  return this.keyboard.passMetaV ?\n      hterm.Keyboard.KeyActions.PASS :\n      hterm.Keyboard.KeyActions.DEFAULT;\n};\n\n/**\n * Handle font zooming.\n *\n * The browser's built-in zoom has a bit of an issue at certain zoom levels.\n * At some magnifications, the measured height of a row of text differs from\n * the height that was explicitly set.\n *\n * We override the browser zoom keys to change the ScrollPort's font size to\n * avoid the issue.\n */\nhterm.Keyboard.KeyMap.prototype.onPlusMinusZero_ = function(e, keyDef) {\n  if (!(this.keyboard.ctrlPlusMinusZeroZoom ^ e.shiftKey)) {\n    // If ctrl-PMZ controls zoom and the shift key is pressed, or\n    // ctrl-shift-PMZ controls zoom and this shift key is not pressed,\n    // then we want to send the control code instead of affecting zoom.\n    if (keyDef.keyCap == '-_')\n      return '\\x1f';  // ^_\n\n    // Only ^_ is valid, the other sequences have no meaning.\n    return hterm.Keyboard.KeyActions.CANCEL;\n  }\n\n  if (this.keyboard.terminal.getZoomFactor() != 1) {\n    // If we're not at 1:1 zoom factor, let the Ctrl +/-/0 keys control the\n    // browser zoom, so it's easier to for the user to get back to 100%.\n    return hterm.Keyboard.KeyActions.PASS;\n  }\n\n  var cap = keyDef.keyCap.substr(0, 1);\n  if (cap == '0') {\n      this.keyboard.terminal.setFontSize(0);\n  } else {\n    var size = this.keyboard.terminal.getFontSize();\n\n    if (cap == '-' || keyDef.keyCap == '[KP-]') {\n      size -= 1;\n    } else {\n      size += 1;\n    }\n\n    this.keyboard.terminal.setFontSize(size);\n  }\n\n  return hterm.Keyboard.KeyActions.CANCEL;\n};\n// SOURCE FILE: hterm/js/hterm_keyboard_keypattern.js\n// Copyright (c) 2015 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\n/**\n * A record of modifier bits and keycode used to define a key binding.\n *\n * The modifier names are enumerated in the static KeyPattern.modifiers\n * property below.  Each modifier can be true, false, or \"*\".  True means\n * the modifier key must be present, false means it must not, and \"*\" means\n * it doesn't matter.\n */\nhterm.Keyboard.KeyPattern = function(spec) {\n  this.wildcardCount = 0;\n  this.keyCode = spec.keyCode;\n\n  hterm.Keyboard.KeyPattern.modifiers.forEach(function(mod) {\n    this[mod] = spec[mod] || false;\n    if (this[mod] == '*')\n      this.wildcardCount++;\n  }.bind(this));\n};\n\n/**\n * Valid modifier names.\n */\nhterm.Keyboard.KeyPattern.modifiers = [\n  'shift', 'ctrl', 'alt', 'meta'\n];\n\n/**\n * A compare callback for Array.prototype.sort().\n *\n * The bindings code wants to be sure to search through the strictest key\n * patterns first, so that loosely defined patterns have a lower priority than\n * exact patterns.\n *\n * @param {hterm.Keyboard.KeyPattern} a\n * @param {hterm.Keyboard.KeyPattern} b\n */\nhterm.Keyboard.KeyPattern.sortCompare = function(a, b) {\n  if (a.wildcardCount < b.wildcardCount)\n    return -1;\n\n  if (a.wildcardCount > b.wildcardCount)\n    return 1;\n\n  return 0;\n};\n\n/**\n * Private method used to match this key pattern against other key patterns\n * or key down events.\n *\n * @param {Object} The object to match.\n * @param {boolean} True if we should ignore wildcards.  Useful when you want\n *   to perform and exact match against another key pattern.\n */\nhterm.Keyboard.KeyPattern.prototype.match_ = function(obj, exactMatch) {\n  if (this.keyCode != obj.keyCode)\n    return false;\n\n  var rv = true;\n\n  hterm.Keyboard.KeyPattern.modifiers.forEach(function(mod) {\n    var modValue = (mod in obj) ? obj[mod] : false;\n    if (!rv || (!exactMatch && this[mod] == '*') || this[mod] == modValue)\n      return;\n\n    rv = false;\n  }.bind(this));\n\n  return rv;\n};\n\n/**\n * Return true if the given keyDown object is a match for this key pattern.\n *\n * @param {Object} keyDown An object with a keyCode property and zero or\n *   more boolean properties representing key modifiers.  These property names\n *   must match those defined in hterm.Keyboard.KeyPattern.modifiers.\n */\nhterm.Keyboard.KeyPattern.prototype.matchKeyDown = function(keyDown) {\n  return this.match_(keyDown, false);\n};\n\n/**\n * Return true if the given hterm.Keyboard.KeyPattern is exactly the same as\n * this one.\n *\n * @param {hterm.Keyboard.KeyPattern}\n */\nhterm.Keyboard.KeyPattern.prototype.matchKeyPattern = function(keyPattern) {\n  return this.match_(keyPattern, true);\n};\n// SOURCE FILE: hterm/js/hterm_options.js\n// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\n/**\n * @fileoverview This file implements the hterm.Options class,\n * which stores current operating conditions for the terminal.  This object is\n * used instead of a series of parameters to allow saving/restoring of cursor\n * conditions easily, and to provide an easy place for common configuration\n * options.\n *\n * Original code by Cory Maccarrone.\n */\n\n/**\n * Constructor for the hterm.Options class, optionally acting as a copy\n * constructor.\n *\n * The defaults are as defined in http://www.vt100.net/docs/vt510-rm/DECSTR\n * except that we enable autowrap (wraparound) by default since that seems to\n * be what xterm does.\n *\n * @param {hterm.Options=} opt_copy Optional instance to copy.\n * @constructor\n */\nhterm.Options = function(opt_copy) {\n  // All attributes in this class are public to allow easy access by the\n  // terminal.\n\n  this.wraparound = opt_copy ? opt_copy.wraparound : true;\n  this.reverseWraparound = opt_copy ? opt_copy.reverseWraparound : false;\n  this.originMode = opt_copy ? opt_copy.originMode : false;\n  this.autoCarriageReturn = opt_copy ? opt_copy.autoCarriageReturn : false;\n  this.cursorVisible = opt_copy ? opt_copy.cursorVisible : false;\n  this.cursorBlink = opt_copy ? opt_copy.cursorBlink : false;\n  this.insertMode = opt_copy ? opt_copy.insertMode : false;\n  this.reverseVideo = opt_copy ? opt_copy.reverseVideo : false;\n  this.bracketedPaste = opt_copy ? opt_copy.bracketedPaste : false;\n};\n// SOURCE FILE: hterm/js/hterm_parser.js\n// Copyright (c) 2015 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\nlib.rtdep('hterm.Keyboard.KeyActions');\n\n/**\n * @constructor\n * Parses the key definition syntax used for user keyboard customizations.\n */\nhterm.Parser = function() {\n  /**\n   * @type {string} The source string.\n   */\n  this.source = '';\n\n  /**\n   * @type {number} The current position.\n   */\n  this.pos = 0;\n\n  /**\n   * @type {string?} The character at the current position.\n   */\n  this.ch = null;\n};\n\nhterm.Parser.prototype.error = function(message) {\n  return new Error('Parse error at ' + this.pos + ': ' + message);\n};\n\nhterm.Parser.prototype.isComplete = function() {\n  return this.pos == this.source.length;\n};\n\nhterm.Parser.prototype.reset = function(source, opt_pos) {\n  this.source = source;\n  this.pos = opt_pos || 0;\n  this.ch = source.substr(0, 1);\n};\n\n/**\n * Parse a key sequence.\n *\n * A key sequence is zero or more of the key modifiers defined in\n * hterm.Parser.identifiers.modifierKeys followed by a key code.  Key\n * codes can be an integer or an identifier from\n * hterm.Parser.identifiers.keyCodes.  Modifiers and keyCodes should be joined\n * by the dash character.\n *\n * An asterisk \"*\" can be used to indicate that the unspecified modifiers\n * are optional.\n *\n * For example:\n *   A: Matches only an unmodified \"A\" character.\n *   65: Same as above.\n *   0x41: Same as above.\n *   Ctrl-A: Matches only Ctrl-A.\n *   Ctrl-65: Same as above.\n *   Ctrl-0x41: Same as above.\n *   Ctrl-Shift-A: Matches only Ctrl-Shift-A.\n *   Ctrl-*-A: Matches Ctrl-A, as well as any other key sequence that includes\n *     at least the Ctrl and A keys.\n *\n * @return {Object} An object with shift, ctrl, alt, meta, keyCode\n *   properties.\n */\nhterm.Parser.prototype.parseKeySequence = function() {\n  var rv = {\n    keyCode: null\n  };\n\n  for (var k in hterm.Parser.identifiers.modifierKeys) {\n    rv[hterm.Parser.identifiers.modifierKeys[k]] = false;\n  }\n\n  while (this.pos < this.source.length) {\n    this.skipSpace();\n\n    var token = this.parseToken();\n    if (token.type == 'integer') {\n      rv.keyCode = token.value;\n\n    } else if (token.type == 'identifier') {\n      var ucValue = token.value.toUpperCase();\n      if (ucValue in hterm.Parser.identifiers.modifierKeys &&\n          hterm.Parser.identifiers.modifierKeys.hasOwnProperty(ucValue)) {\n        var mod = hterm.Parser.identifiers.modifierKeys[ucValue];\n        if (rv[mod] && rv[mod] != '*')\n          throw this.error('Duplicate modifier: ' + token.value);\n        rv[mod] = true;\n\n      } else if (ucValue in hterm.Parser.identifiers.keyCodes &&\n                 hterm.Parser.identifiers.keyCodes.hasOwnProperty(ucValue)) {\n        rv.keyCode = hterm.Parser.identifiers.keyCodes[ucValue];\n\n      } else {\n        throw this.error('Unknown key: ' + token.value);\n      }\n\n    } else if (token.type == 'symbol') {\n      if (token.value == '*') {\n        for (var id in hterm.Parser.identifiers.modifierKeys) {\n          var p = hterm.Parser.identifiers.modifierKeys[id];\n          if (!rv[p])\n            rv[p] =  '*';\n        }\n      } else {\n        throw this.error('Unexpected symbol: ' + token.value);\n      }\n    } else {\n      throw this.error('Expected integer or identifier');\n    }\n\n    this.skipSpace();\n\n    if (this.ch != '-')\n      break;\n\n    if (rv.keyCode != null)\n      throw this.error('Extra definition after target key');\n\n    this.advance(1);\n  }\n\n  if (rv.keyCode == null)\n    throw this.error('Missing target key');\n\n  return rv;\n};\n\nhterm.Parser.prototype.parseKeyAction = function() {\n  this.skipSpace();\n\n  var token = this.parseToken();\n\n  if (token.type == 'string')\n    return token.value;\n\n  if (token.type == 'identifier') {\n    if (token.value in hterm.Parser.identifiers.actions &&\n        hterm.Parser.identifiers.actions.hasOwnProperty(token.value))\n      return hterm.Parser.identifiers.actions[token.value];\n\n    throw this.error('Unknown key action: ' + token.value);\n  }\n\n  throw this.error('Expected string or identifier');\n\n};\n\nhterm.Parser.prototype.peekString = function() {\n  return this.ch == '\\'' || this.ch == '\"';\n};\n\nhterm.Parser.prototype.peekIdentifier = function() {\n  return this.ch.match(/[a-z_]/i);\n};\n\nhterm.Parser.prototype.peekInteger = function() {\n  return this.ch.match(/[0-9]/);\n};\n\nhterm.Parser.prototype.parseToken = function() {\n  if (this.ch == '*') {\n    var rv = {type: 'symbol', value: this.ch};\n    this.advance(1);\n    return rv;\n  }\n\n  if (this.peekIdentifier())\n    return {type: 'identifier', value: this.parseIdentifier()};\n\n  if (this.peekString())\n    return {type: 'string', value: this.parseString()};\n\n  if (this.peekInteger())\n    return {type: 'integer', value: this.parseInteger()};\n\n\n  throw this.error('Unexpected token');\n};\n\nhterm.Parser.prototype.parseIdentifier = function() {\n  if (!this.peekIdentifier())\n    throw this.error('Expected identifier');\n\n  return this.parsePattern(/[a-z0-9_]+/ig);\n};\n\nhterm.Parser.prototype.parseInteger = function() {\n  var base = 10;\n\n  if (this.ch == '0' && this.pos < this.source.length - 1 &&\n      this.source.substr(this.pos + 1, 1) == 'x') {\n    return parseInt(this.parsePattern(/0x[0-9a-f]+/gi));\n  }\n\n  return parseInt(this.parsePattern(/\\d+/g));\n};\n\n/**\n * Parse a single or double quoted string.\n *\n * The current position should point at the initial quote character.  Single\n * quoted strings will be treated literally, double quoted will process escapes.\n *\n * TODO(rginda): Variable interpolation.\n *\n * @param {ParseState} parseState\n * @param {string} quote A single or double-quote character.\n * @return {string}\n */\nhterm.Parser.prototype.parseString = function() {\n  var result = '';\n\n  var quote = this.ch;\n  if (quote != '\"' && quote != '\\'')\n    throw this.error('String expected');\n\n  this.advance(1);\n\n  var re = new RegExp('[\\\\\\\\' + quote + ']', 'g');\n\n  while (this.pos < this.source.length) {\n    re.lastIndex = this.pos;\n    if (!re.exec(this.source))\n      throw this.error('Unterminated string literal');\n\n    result += this.source.substring(this.pos, re.lastIndex - 1);\n\n    this.advance(re.lastIndex - this.pos - 1);\n\n    if (quote == '\"' && this.ch == '\\\\') {\n      this.advance(1);\n      result += this.parseEscape();\n      continue;\n    }\n\n    if (quote == '\\'' && this.ch == '\\\\') {\n      result += this.ch;\n      this.advance(1);\n      continue;\n    }\n\n    if (this.ch == quote) {\n      this.advance(1);\n      return result;\n    }\n  }\n\n  throw this.error('Unterminated string literal');\n};\n\n\n/**\n * Parse an escape code from the current position (which should point to\n * the first character AFTER the leading backslash.)\n *\n * @return {string}\n */\nhterm.Parser.prototype.parseEscape = function() {\n  var map = {\n    '\"': '\"',\n    '\\'': '\\'',\n    '\\\\': '\\\\',\n    'a': '\\x07',\n    'b': '\\x08',\n    'e': '\\x1b',\n    'f': '\\x0c',\n    'n': '\\x0a',\n    'r': '\\x0d',\n    't': '\\x09',\n    'v': '\\x0b',\n    'x': function() {\n      var value = this.parsePattern(/[a-z0-9]{2}/ig);\n      return String.fromCharCode(parseInt(value, 16));\n    },\n    'u': function() {\n      var value = this.parsePattern(/[a-z0-9]{4}/ig);\n      return String.fromCharCode(parseInt(value, 16));\n    }\n  };\n\n  if (!(this.ch in map && map.hasOwnProperty(this.ch)))\n    throw this.error('Unknown escape: ' + this.ch);\n\n  var value = map[this.ch];\n  this.advance(1);\n\n  if (typeof value == 'function')\n    value = value.call(this);\n\n  return value;\n};\n\n/**\n * Parse the given pattern starting from the current position.\n *\n * @param {RegExp} pattern A pattern representing the characters to span.  MUST\n *   include the \"global\" RegExp flag.\n * @return {string}\n */\nhterm.Parser.prototype.parsePattern = function(pattern) {\n  if (!pattern.global)\n    throw this.error('Internal error: Span patterns must be global');\n\n  pattern.lastIndex = this.pos;\n  var ary = pattern.exec(this.source);\n\n  if (!ary || pattern.lastIndex - ary[0].length != this.pos)\n    throw this.error('Expected match for: ' + pattern);\n\n  this.pos = pattern.lastIndex - 1;\n  this.advance(1);\n\n  return ary[0];\n};\n\n\n/**\n * Advance the current position.\n *\n * @param {number} count\n */\nhterm.Parser.prototype.advance = function(count) {\n  this.pos += count;\n  this.ch = this.source.substr(this.pos, 1);\n};\n\n/**\n * @param {string=} opt_expect A list of valid non-whitespace characters to\n *   terminate on.\n * @return {void}\n */\nhterm.Parser.prototype.skipSpace = function(opt_expect) {\n  if (!/\\s/.test(this.ch))\n    return;\n\n  var re = /\\s+/gm;\n  re.lastIndex = this.pos;\n\n  var source = this.source;\n  if (re.exec(source))\n    this.pos = re.lastIndex;\n\n  this.ch = this.source.substr(this.pos, 1);\n\n  if (opt_expect) {\n    if (this.ch.indexOf(opt_expect) == -1) {\n      throw this.error('Expected one of ' + opt_expect + ', found: ' +\n          this.ch);\n    }\n  }\n};\n// SOURCE FILE: hterm/js/hterm_parser_identifiers.js\n// Copyright (c) 2015 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\n/**\n * Collections of identifier for hterm.Parser.\n */\nhterm.Parser.identifiers = {};\n\n/**\n * Modifier key names used when defining key sequences.\n *\n * These are upper case so we can normalize the user input and be forgiving.\n * \"CTRL-A\" and \"Ctrl-A\" and \"ctrl-a\" are all accepted.\n *\n * Note: Names here cannot overlap with hterm.Parser.identifiers.keyCodes.\n */\nhterm.Parser.identifiers.modifierKeys = {\n  SHIFT: 'shift',\n  CTRL: 'ctrl',\n  // Common alias.\n  CONTROL: 'ctrl',\n  ALT: 'alt',\n  META: 'meta'\n};\n\n/**\n * Key codes useful when defining key sequences.\n *\n * Punctuation is mostly left out of this list because they can move around\n * based on keyboard locale and browser.\n *\n * In a key sequence like \"Ctrl-ESC\", the ESC comes from this list of\n * identifiers.  It is equivalent to \"Ctrl-27\" and \"Ctrl-0x1b\".\n *\n * These are upper case so we can normalize the user input and be forgiving.\n * \"Ctrl-ESC\" and \"Ctrl-Esc\" an \"Ctrl-esc\" are all accepted.\n *\n * We also include common aliases for the same key.  \"Esc\" and \"Escape\" are the\n * same key.\n *\n * Note: Names here cannot overlap with hterm.Parser.identifiers.modifierKeys.\n */\nhterm.Parser.identifiers.keyCodes = {\n  // Top row.\n  ESCAPE: 27,\n  ESC: 27,\n  F1: 112,\n  F2: 113,\n  F3: 114,\n  F4: 115,\n  F5: 116,\n  F6: 117,\n  F7: 118,\n  F8: 119,\n  F9: 120,\n  F10: 121,\n  F11: 122,\n  F12: 123,\n\n  // Row two.\n  ONE: 49,\n  TWO: 50,\n  THREE: 51,\n  FOUR: 52,\n  FIVE: 53,\n  SIX: 54,\n  SEVEN: 55,\n  EIGHT: 56,\n  NINE: 57,\n  ZERO: 48,\n  BACKSPACE: 8,\n  BKSP: 8,\n  BS: 8,\n\n  // Row three.\n  TAB: 9,\n  Q: 81,\n  W: 87,\n  E: 69,\n  R: 82,\n  T: 84,\n  Y: 89,\n  U: 85,\n  I: 73,\n  O: 79,\n  P: 80,\n\n  // Row four.\n  CAPS_LOCK: 20,\n  CAPSLOCK: 20,\n  CAPS: 20,\n  A: 65,\n  S: 83,\n  D: 68,\n  F: 70,\n  G: 71,\n  H: 72,\n  J: 74,\n  K: 75,\n  L: 76,\n  // We map enter and return together even though enter should really be 10\n  // because most people don't know or care about the history here.  Plus,\n  // most keyboards/programs map them together already.  If they really want\n  // to bind them differently, they can also use the numeric value.\n  ENTER: 13,\n  ENT: 13,\n  RETURN: 13,\n  RET: 13,\n\n  // Row five.\n  Z: 90,\n  X: 88,\n  C: 67,\n  V: 86,\n  B: 66,\n  N: 78,\n  M: 77,\n\n  // Etc.\n  SPACE: 32,\n  SP: 32,\n  PRINT_SCREEN: 42,\n  PRTSC: 42,\n  SCROLL_LOCK: 145,\n  SCRLK: 145,\n  BREAK: 19,\n  BRK: 19,\n  INSERT: 45,\n  INS: 45,\n  HOME: 36,\n  PAGE_UP: 33,\n  PGUP: 33,\n  DELETE: 46,\n  DEL: 46,\n  END: 35,\n  PAGE_DOWN: 34,\n  PGDOWN: 34,\n  PGDN: 34,\n  UP: 38,\n  DOWN: 40,\n  RIGHT: 39,\n  LEFT: 37,\n  NUMLOCK: 144,\n\n  // Keypad\n  KP0: 96,\n  KP1: 97,\n  KP2: 98,\n  KP3: 99,\n  KP4: 100,\n  KP5: 101,\n  KP6: 102,\n  KP7: 103,\n  KP8: 104,\n  KP9: 105,\n  KP_PLUS: 107,\n  KP_ADD: 107,\n  KP_MINUS: 109,\n  KP_SUBTRACT: 109,\n  KP_STAR: 106,\n  KP_MULTIPLY: 106,\n  KP_DIVIDE: 111,\n  KP_DECIMAL: 110,\n  KP_PERIOD: 110,\n\n  // Chrome OS media keys\n  NAVIGATE_BACK: 166,\n  NAVIGATE_FORWARD: 167,\n  RELOAD: 168,\n  FULL_SCREEN: 183,\n  WINDOW_OVERVIEW: 182,\n  BRIGHTNESS_UP: 216,\n  BRIGHTNESS_DOWN: 217\n};\n\n/**\n * Identifiers for use in key actions.\n */\nhterm.Parser.identifiers.actions = {\n  /**\n   * Prevent the browser and operating system from handling the event.\n   */\n  CANCEL: hterm.Keyboard.KeyActions.CANCEL,\n\n  /**\n   * Wait for a \"keypress\" event, send the keypress charCode to the host.\n   */\n  DEFAULT: hterm.Keyboard.KeyActions.DEFAULT,\n\n  /**\n   * Let the browser or operating system handle the key.\n   */\n  PASS: hterm.Keyboard.KeyActions.PASS,\n\n  /**\n   * Scroll the terminal one page up.\n   */\n  scrollPageUp: function(terminal) {\n    terminal.scrollPageUp();\n    return hterm.Keyboard.KeyActions.CANCEL;\n  },\n\n  /**\n   * Scroll the terminal one page down.\n   */\n  scrollPageDown: function(terminal) {\n    terminal.scrollPageDown();\n    return hterm.Keyboard.KeyActions.CANCEL;\n  },\n\n  /**\n   * Scroll the terminal to the top.\n   */\n  scrollToTop: function(terminal) {\n    terminal.scrollEnd();\n    return hterm.Keyboard.KeyActions.CANCEL;\n  },\n\n  /**\n   * Scroll the terminal to the bottom.\n   */\n  scrollToBottom: function(terminal) {\n    terminal.scrollEnd();\n    return hterm.Keyboard.KeyActions.CANCEL;\n  },\n\n  /**\n   * Clear the terminal and scrollback buffer.\n   */\n  clearScrollback: function(terminal) {\n    terminal.wipeContents();\n    return hterm.Keyboard.KeyActions.CANCEL;\n  }\n};\n// SOURCE FILE: hterm/js/hterm_preference_manager.js\n// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\nlib.rtdep('lib.f', 'lib.Storage');\n\n/**\n * PreferenceManager subclass managing global NaSSH preferences.\n *\n * This is currently just an ordered list of known connection profiles.\n */\nhterm.PreferenceManager = function(profileId) {\n  lib.PreferenceManager.call(this, hterm.defaultStorage,\n                             '/hterm/profiles/' + profileId);\n  var defs = hterm.PreferenceManager.defaultPreferences;\n  Object.keys(defs).forEach(function(key) {\n    this.definePreference(key, defs[key][1]);\n  }.bind(this));\n};\n\nhterm.PreferenceManager.categories = {};\nhterm.PreferenceManager.categories.Keyboard = 'Keyboard';\nhterm.PreferenceManager.categories.Appearance = 'Appearance';\nhterm.PreferenceManager.categories.CopyPaste = 'CopyPaste';\nhterm.PreferenceManager.categories.Sounds = 'Sounds';\nhterm.PreferenceManager.categories.Scrolling = 'Scrolling';\nhterm.PreferenceManager.categories.Encoding = 'Encoding';\nhterm.PreferenceManager.categories.Miscellaneous = 'Miscellaneous';\n\n/**\n * List of categories, ordered by display order (top to bottom)\n */\nhterm.PreferenceManager.categoryDefinitions = [\n  { id: hterm.PreferenceManager.categories.Appearance,\n    text: 'Appearance (fonts, colors, images)'},\n  { id: hterm.PreferenceManager.categories.CopyPaste,\n    text: 'Copy & Paste'},\n  { id: hterm.PreferenceManager.categories.Encoding,\n    text: 'Encoding'},\n  { id: hterm.PreferenceManager.categories.Keyboard,\n    text: 'Keyboard'},\n  { id: hterm.PreferenceManager.categories.Scrolling,\n    text: 'Scrolling'},\n  { id: hterm.PreferenceManager.categories.Sounds,\n    text: 'Sounds'},\n  { id: hterm.PreferenceManager.categories.Miscellaneous,\n    text: 'Misc.'}\n];\n\n\nhterm.PreferenceManager.defaultPreferences = {\n  'alt-gr-mode':\n  [hterm.PreferenceManager.categories.Keyboard, null,\n   [null, 'none', 'ctrl-alt', 'left-alt', 'right-alt'],\n   'Select an AltGr detection hack^Wheuristic.\\n' +\n   '\\n' +\n   '\\'null\\': Autodetect based on navigator.language:\\n' +\n   '      \\'en-us\\' => \\'none\\', else => \\'right-alt\\'\\n' +\n   '\\'none\\': Disable any AltGr related munging.\\n' +\n   '\\'ctrl-alt\\': Assume Ctrl+Alt means AltGr.\\n' +\n   '\\'left-alt\\': Assume left Alt means AltGr.\\n' +\n   '\\'right-alt\\': Assume right Alt means AltGr.\\n'],\n\n  'alt-backspace-is-meta-backspace':\n  [hterm.PreferenceManager.categories.Keyboard, false, 'bool',\n   'If set, undoes the Chrome OS Alt-Backspace->DEL remap, so that ' +\n   'alt-backspace indeed is alt-backspace.'],\n\n  'alt-is-meta':\n  [hterm.PreferenceManager.categories.Keyboard, false, 'bool',\n   'Set whether the alt key acts as a meta key or as a distinct alt key.'],\n\n  'alt-sends-what':\n  [hterm.PreferenceManager.categories.Keyboard, 'escape',\n   ['escape', '8-bit', 'browser-key'],\n   'Controls how the alt key is handled.\\n' +\n   '\\n' +\n   '  escape....... Send an ESC prefix.\\n' +\n   '  8-bit........ Add 128 to the unshifted character as in xterm.\\n' +\n   '  browser-key.. Wait for the keypress event and see what the browser \\n' +\n   '                says.  (This won\\'t work well on platforms where the \\n' +\n   '                browser performs a default action for some alt sequences.)'\n  ],\n\n  'audible-bell-sound':\n  [hterm.PreferenceManager.categories.Sounds, 'lib-resource:hterm/audio/bell',\n   'url',\n   'URL of the terminal bell sound.  Empty string for no audible bell.'],\n\n  'desktop-notification-bell':\n  [hterm.PreferenceManager.categories.Sounds, false, 'bool',\n   'If true, terminal bells in the background will create a Web ' +\n   'Notification. https://www.w3.org/TR/notifications/\\n' +\n   '\\n'+\n   'Displaying notifications requires permission from the user. When this ' +\n   'option is set to true, hterm will attempt to ask the user for permission ' +\n   'if necessary. Note browsers may not show this permission request if it ' +\n   'did not originate from a user action.\\n' +\n   '\\n' +\n   'Chrome extensions with the \"notifications\" permission have permission to ' +\n   'display notifications.'],\n\n  'background-color':\n  [hterm.PreferenceManager.categories.Appearance, 'rgb(16, 16, 16)', 'color',\n   'The background color for text with no other color attributes.'],\n\n  'background-image':\n  [hterm.PreferenceManager.categories.Appearance, '', 'string',\n   'CSS value of the background image.  Empty string for no image.\\n' +\n   '\\n' +\n   'For example:\\n' +\n   '  url(https://goo.gl/anedTK)\\n' +\n   '  linear-gradient(top bottom, blue, red)'],\n\n  'background-size':\n  [hterm.PreferenceManager.categories.Appearance, '', 'string',\n   'CSS value of the background image size.  Defaults to none.'],\n\n  'background-position':\n  [hterm.PreferenceManager.categories.Appearance, '', 'string',\n   'CSS value of the background image position.\\n' +\n   '\\n' +\n   'For example:\\n' +\n   '  10% 10%\\n' +\n   '  center'],\n\n  'backspace-sends-backspace':\n  [hterm.PreferenceManager.categories.Keyboard, false, 'bool',\n   'If true, the backspace should send BS (\\'\\\\x08\\', aka ^H).  Otherwise ' +\n   'the backspace key should send \\'\\\\x7f\\'.'],\n\n  'character-map-overrides':\n  [hterm.PreferenceManager.categories.Appearance, null, 'value',\n    'This is specified as an object. It is a sparse array, where each '  +\n    'property is the character set code and the value is an object that is ' +\n    'a sparse array itself. In that sparse array, each property is the ' +\n    'received character and the value is the displayed character.\\n' +\n    '\\n' +\n    'For example:\\n' +\n    '  {\"0\":{\"+\":\"\\\\u2192\",\",\":\"\\\\u2190\",\"-\":\"\\\\u2191\",\".\":\"\\\\u2193\", ' +\n    '\"0\":\"\\\\u2588\"}}'\n  ],\n\n  'close-on-exit':\n  [hterm.PreferenceManager.categories.Miscellaneous, true, 'bool',\n   'Whether or not to close the window when the command exits.'],\n\n  'cursor-blink':\n  [hterm.PreferenceManager.categories.Appearance, false, 'bool',\n   'Whether or not to blink the cursor by default.'],\n\n  'cursor-blink-cycle':\n  [hterm.PreferenceManager.categories.Appearance, [1000, 500], 'value',\n   'The cursor blink rate in milliseconds.\\n' +\n   '\\n' +\n   'A two element array, the first of which is how long the cursor should be ' +\n   'on, second is how long it should be off.'],\n\n  'cursor-color':\n  [hterm.PreferenceManager.categories.Appearance, 'rgba(255, 0, 0, 0.5)',\n   'color',\n   'The color of the visible cursor.'],\n\n  'color-palette-overrides':\n  [hterm.PreferenceManager.categories.Appearance, null, 'value',\n   'Override colors in the default palette.\\n' +\n   '\\n' +\n   'This can be specified as an array or an object.  If specified as an ' +\n   'object it is assumed to be a sparse array, where each property ' +\n   'is a numeric index into the color palette.\\n' +\n   '\\n' +\n   'Values can be specified as almost any css color value.  This ' +\n   'includes #RGB, #RRGGBB, rgb(...), rgba(...), and any color names ' +\n   'that are also part of the stock X11 rgb.txt file.\\n' +\n   '\\n' +\n   'You can use \\'null\\' to specify that the default value should be not ' +\n   'be changed.  This is useful for skipping a small number of indices ' +\n   'when the value is specified as an array.'],\n\n  'copy-on-select':\n  [hterm.PreferenceManager.categories.CopyPaste, true, 'bool',\n   'Automatically copy mouse selection to the clipboard.'],\n\n  'use-default-window-copy':\n  [hterm.PreferenceManager.categories.CopyPaste, false, 'bool',\n   'Whether to use the default window copy behavior'],\n\n  'clear-selection-after-copy':\n  [hterm.PreferenceManager.categories.CopyPaste, true, 'bool',\n   'Whether to clear the selection after copying.'],\n\n  'ctrl-plus-minus-zero-zoom':\n  [hterm.PreferenceManager.categories.Keyboard, true, 'bool',\n   'If true, Ctrl-Plus/Minus/Zero controls zoom.\\n' +\n   'If false, Ctrl-Shift-Plus/Minus/Zero controls zoom, Ctrl-Minus sends ^_, ' +\n   'Ctrl-Plus/Zero do nothing.'],\n\n  'ctrl-c-copy':\n  [hterm.PreferenceManager.categories.Keyboard, false, 'bool',\n   'Ctrl+C copies if true, send ^C to host if false.\\n' +\n   'Ctrl+Shift+C sends ^C to host if true, copies if false.'],\n\n  'ctrl-v-paste':\n  [hterm.PreferenceManager.categories.Keyboard, false, 'bool',\n   'Ctrl+V pastes if true, send ^V to host if false.\\n' +\n   'Ctrl+Shift+V sends ^V to host if true, pastes if false.'],\n\n  'east-asian-ambiguous-as-two-column':\n  [hterm.PreferenceManager.categories.Keyboard, false, 'bool',\n   'Set whether East Asian Ambiguous characters have two column width.'],\n\n  'enable-8-bit-control':\n  [hterm.PreferenceManager.categories.Keyboard, false, 'bool',\n   'True to enable 8-bit control characters, false to ignore them.\\n' +\n   '\\n' +\n   'We\\'ll respect the two-byte versions of these control characters ' +\n   'regardless of this setting.'],\n\n  'enable-bold':\n  [hterm.PreferenceManager.categories.Appearance, null, 'tristate',\n   'True if we should use bold weight font for text with the bold/bright ' +\n   'attribute.  False to use the normal weight font.  Null to autodetect.'],\n\n  'enable-bold-as-bright':\n  [hterm.PreferenceManager.categories.Appearance, true, 'bool',\n   'True if we should use bright colors (8-15 on a 16 color palette) ' +\n   'for any text with the bold attribute.  False otherwise.'],\n\n  'enable-blink':\n  [hterm.PreferenceManager.categories.Appearance, true, 'bool',\n   'True if we should respect the blink attribute.  False to ignore it.  '],\n\n  'enable-clipboard-notice':\n  [hterm.PreferenceManager.categories.CopyPaste, true, 'bool',\n   'Show a message in the terminal when the host writes to the clipboard.'],\n\n  'enable-clipboard-write':\n  [hterm.PreferenceManager.categories.CopyPaste, true, 'bool',\n   'Allow the host to write directly to the system clipboard.'],\n\n  'enable-dec12':\n  [hterm.PreferenceManager.categories.Miscellaneous, false, 'bool',\n   'Respect the host\\'s attempt to change the cursor blink status using ' +\n   'DEC Private Mode 12.'],\n\n  'environment':\n  [hterm.PreferenceManager.categories.Miscellaneous, {'TERM': 'xterm-256color'},\n   'value',\n   'The default environment variables, as an object.'],\n\n  'font-family':\n  [hterm.PreferenceManager.categories.Appearance,\n   '\"DejaVu Sans Mono\", \"Everson Mono\", FreeMono, \"Menlo\", \"Terminal\", ' +\n   'monospace', 'string',\n   'Default font family for the terminal text.'],\n\n  'font-size':\n  [hterm.PreferenceManager.categories.Appearance, 15, 'int',\n   'The default font size in pixels.'],\n\n  'font-smoothing':\n  [hterm.PreferenceManager.categories.Appearance, 'antialiased', 'string',\n   'CSS font-smoothing property.'],\n\n  'foreground-color':\n  [hterm.PreferenceManager.categories.Appearance, 'rgb(240, 240, 240)', 'color',\n   'The foreground color for text with no other color attributes.'],\n\n  'home-keys-scroll':\n  [hterm.PreferenceManager.categories.Keyboard, false, 'bool',\n   'If true, home/end will control the terminal scrollbar and shift home/end ' +\n   'will send the VT keycodes.  If false then home/end sends VT codes and ' +\n   'shift home/end scrolls.'],\n\n  'keybindings':\n  [hterm.PreferenceManager.categories.Keyboard, null, 'value',\n   'A map of key sequence to key actions.  Key sequences include zero or ' +\n   'more modifier keys followed by a key code.  Key codes can be decimal or ' +\n   'hexadecimal numbers, or a key identifier.  Key actions can be specified ' +\n   'a string to send to the host, or an action identifier.  For a full ' +\n   'explanation of the format, see https://goo.gl/LWRndr.\\n' +\n   '\\n' +\n   'Sample keybindings:\\n' +\n   '{\\n' +\n   '  \"Ctrl-Alt-K\": \"clearScrollback\",\\n' +\n   '  \"Ctrl-Shift-L\": \"PASS\",\\n' +\n   '  \"Ctrl-H\": \"\\'HELLO\\\\n\\'\"\\n' +\n   '}'],\n\n  'max-string-sequence':\n  [hterm.PreferenceManager.categories.Encoding, 100000, 'int',\n   'Max length of a DCS, OSC, PM, or APS sequence before we give up and ' +\n   'ignore the code.'],\n\n  'media-keys-are-fkeys':\n  [hterm.PreferenceManager.categories.Keyboard, false, 'bool',\n   'If true, convert media keys to their Fkey equivalent. If false, let ' +\n   'the browser handle the keys.'],\n\n  'meta-sends-escape':\n  [hterm.PreferenceManager.categories.Keyboard, true, 'bool',\n   'Set whether the meta key sends a leading escape or not.'],\n\n  'mouse-right-click-paste':\n  [hterm.PreferenceManager.categories.CopyPaste, true, 'bool',\n   'Paste on right mouse button clicks.\\n' +\n   '\\n' +\n   'This option is activate independent of the \"mouse-paste-button\" ' +\n   'setting.\\n' +\n   '\\n' +\n   'Note: This will handle left & right handed mice correctly.'],\n\n  'mouse-paste-button':\n  [hterm.PreferenceManager.categories.CopyPaste, null,\n   [null, 0, 1, 2, 3, 4, 5, 6],\n   'Mouse paste button, or null to autodetect.\\n' +\n   '\\n' +\n   'For autodetect, we\\'ll use the middle mouse button for non-X11 ' +\n   'platforms (including Chrome OS).  On X11, we\\'ll use the right mouse ' +\n   'button (since the native window manager should paste via the middle ' +\n   'mouse button).\\n' +\n   '\\n' +\n   '0 == left (primary) button.\\n' +\n   '1 == middle (auxiliary) button.\\n' +\n   '2 == right (secondary) button.\\n' +\n   '\\n' +\n   'This option is activate independent of the \"mouse-right-click-paste\" ' +\n   'setting.\\n' +\n   '\\n' +\n   'Note: This will handle left & right handed mice correctly.'],\n\n  'word-break-match-left':\n  [hterm.PreferenceManager.categories.CopyPaste,\n   '[^\\\\s\\\\[\\\\](){}<>\"\\'\\\\^!@#$%&*,;:`]', 'string',\n   'Regular expression to halt matching to the left (start) of a selection.\\n' +\n   '\\n' +\n   'Normally this is a character class to reject specific characters.\\n' +\n   'We allow \"~\" and \".\" by default as paths frequently start with those.'],\n\n  'word-break-match-right':\n  [hterm.PreferenceManager.categories.CopyPaste,\n   '[^\\\\s\\\\[\\\\](){}<>\"\\'\\\\^!@#$%&*,;:~.`]', 'string',\n   'Regular expression to halt matching to the right (end) of a selection.\\n' +\n   '\\n' +\n   'Normally this is a character class to reject specific characters.'],\n\n  'word-break-match-middle':\n  [hterm.PreferenceManager.categories.CopyPaste,\n   '[^\\\\s\\\\[\\\\](){}<>\"\\'\\\\^]*', 'string',\n   'Regular expression to match all the characters in the middle.\\n' +\n   '\\n' +\n   'Normally this is a character class to reject specific characters.\\n' +\n   '\\n' +\n   'Used to expand the selection surrounding the starting point.'],\n\n  'page-keys-scroll':\n  [hterm.PreferenceManager.categories.Keyboard, false, 'bool',\n   'If true, page up/down will control the terminal scrollbar and shift ' +\n   'page up/down will send the VT keycodes.  If false then page up/down ' +\n   'sends VT codes and shift page up/down scrolls.'],\n\n  'pass-alt-number':\n  [hterm.PreferenceManager.categories.Keyboard, null, 'tristate',\n   'Set whether we should pass Alt-1..9 to the browser.\\n' +\n   '\\n' +\n   'This is handy when running hterm in a browser tab, so that you don\\'t ' +\n   'lose Chrome\\'s \"switch to tab\" keyboard accelerators.  When not running ' +\n   'in a tab it\\'s better to send these keys to the host so they can be ' +\n   'used in vim or emacs.\\n' +\n   '\\n' +\n   'If true, Alt-1..9 will be handled by the browser.  If false, Alt-1..9 ' +\n   'will be sent to the host.  If null, autodetect based on browser platform ' +\n   'and window type.'],\n\n  'pass-ctrl-number':\n  [hterm.PreferenceManager.categories.Keyboard, null, 'tristate',\n   'Set whether we should pass Ctrl-1..9 to the browser.\\n' +\n   '\\n' +\n   'This is handy when running hterm in a browser tab, so that you don\\'t ' +\n   'lose Chrome\\'s \"switch to tab\" keyboard accelerators.  When not running ' +\n   'in a tab it\\'s better to send these keys to the host so they can be ' +\n   'used in vim or emacs.\\n' +\n   '\\n' +\n   'If true, Ctrl-1..9 will be handled by the browser.  If false, Ctrl-1..9 ' +\n   'will be sent to the host.  If null, autodetect based on browser platform ' +\n   'and window type.'],\n\n   'pass-meta-number':\n  [hterm.PreferenceManager.categories.Keyboard, null, 'tristate',\n   'Set whether we should pass Meta-1..9 to the browser.\\n' +\n   '\\n' +\n   'This is handy when running hterm in a browser tab, so that you don\\'t ' +\n   'lose Chrome\\'s \"switch to tab\" keyboard accelerators.  When not running ' +\n   'in a tab it\\'s better to send these keys to the host so they can be ' +\n   'used in vim or emacs.\\n' +\n   '\\n' +\n   'If true, Meta-1..9 will be handled by the browser.  If false, Meta-1..9 ' +\n   'will be sent to the host.  If null, autodetect based on browser platform ' +\n   'and window type.'],\n\n  'pass-meta-v':\n  [hterm.PreferenceManager.categories.Keyboard, true, 'bool',\n   'Set whether meta-V gets passed to host.'],\n\n  'receive-encoding':\n  [hterm.PreferenceManager.categories.Encoding, 'utf-8', ['utf-8', 'raw'],\n   'Set the expected encoding for data received from the host.\\n' +\n   '\\n' +\n   'Valid values are \\'utf-8\\' and \\'raw\\'.'],\n\n  'scroll-on-keystroke':\n  [hterm.PreferenceManager.categories.Scrolling, true, 'bool',\n   'If true, scroll to the bottom on any keystroke.'],\n\n  'scroll-on-output':\n  [hterm.PreferenceManager.categories.Scrolling, false, 'bool',\n   'If true, scroll to the bottom on terminal output.'],\n\n  'scrollbar-visible':\n  [hterm.PreferenceManager.categories.Scrolling, true, 'bool',\n   'The vertical scrollbar mode.'],\n\n  'scroll-wheel-may-send-arrow-keys':\n  [hterm.PreferenceManager.categories.Scrolling, false, 'bool',\n   'When using the alternative screen buffer, and DECCKM (Application Cursor ' +\n   'Keys) is active, mouse wheel scroll events will emulate arrow keys.\\n' +\n   '\\n' +\n   'It can be temporarily disabled by holding the shift key.\\n' +\n   '\\n' +\n   'This frequently comes up when using pagers (less) or reading man pages ' +\n   'or text editors (vi/nano) or using screen/tmux.'],\n\n  'scroll-wheel-move-multiplier':\n  [hterm.PreferenceManager.categories.Scrolling, 1, 'int',\n   'The multiplier for the pixel delta in wheel events caused by the ' +\n   'scroll wheel. Alters how fast the page scrolls.'],\n\n  'send-encoding':\n  [hterm.PreferenceManager.categories.Encoding, 'utf-8', ['utf-8', 'raw'],\n   'Set the encoding for data sent to host.'],\n\n  'terminal-encoding':\n  [hterm.PreferenceManager.categories.Encoding, 'iso-2022',\n   ['iso-2022', 'utf-8', 'utf-8-locked'],\n   'The default terminal encoding (DOCS).\\n' +\n   '\\n' +\n   'ISO-2022 enables character map translations (like graphics maps).\\n' +\n   'UTF-8 disables support for those.\\n' +\n   '\\n' +\n   'The locked variant means the encoding cannot be changed at runtime ' +\n   'via terminal escape sequences.\\n' +\n   '\\n' +\n   'You should stick with UTF-8 unless you notice broken rendering with ' +\n   'legacy applications.'],\n\n  'shift-insert-paste':\n  [hterm.PreferenceManager.categories.Keyboard, true, 'bool',\n   'Shift + Insert pastes if true, sent to host if false.'],\n\n  'user-css':\n  [hterm.PreferenceManager.categories.Appearance, '', 'url',\n   'URL of user stylesheet to include in the terminal document.'],\n\n  'user-css-text':\n  [hterm.PreferenceManager.categories.Appearance, '', 'multiline-string',\n   'Custom CSS text for styling the terminal.'],\n};\n\nhterm.PreferenceManager.prototype =\n    Object.create(lib.PreferenceManager.prototype);\nhterm.PreferenceManager.constructor = hterm.PreferenceManager;\n// SOURCE FILE: hterm/js/hterm_pubsub.js\n// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\n/**\n * Utility class used to add publish/subscribe/unsubscribe functionality to\n * an existing object.\n */\nhterm.PubSub = function() {\n  this.observers_ = {};\n};\n\n/**\n * Add publish, subscribe, and unsubscribe methods to an existing object.\n *\n * No other properties of the object are touched, so there is no need to\n * worry about clashing private properties.\n *\n * @param {Object} obj The object to add this behavior to.\n */\nhterm.PubSub.addBehavior = function(obj) {\n  var pubsub = new hterm.PubSub();\n  for (var m in hterm.PubSub.prototype) {\n    obj[m] = hterm.PubSub.prototype[m].bind(pubsub);\n  }\n};\n\n/**\n * Subscribe to be notified of messages about a subject.\n *\n * @param {string} subject The subject to subscribe to.\n * @param {function(Object)} callback The function to invoke for notifications.\n */\nhterm.PubSub.prototype.subscribe = function(subject, callback) {\n  if (!(subject in this.observers_))\n    this.observers_[subject] = [];\n\n  this.observers_[subject].push(callback);\n};\n\n/**\n * Unsubscribe from a subject.\n *\n * @param {string} subject The subject to unsubscribe from.\n * @param {function(Object)} callback A callback previously registered via\n *     subscribe().\n */\nhterm.PubSub.prototype.unsubscribe = function(subject, callback) {\n  var list = this.observers_[subject];\n  if (!list)\n    throw 'Invalid subject: ' + subject;\n\n  var i = list.indexOf(callback);\n  if (i < 0)\n    throw 'Not subscribed: ' + subject;\n\n  list.splice(i, 1);\n};\n\n/**\n * Publish a message about a subject.\n *\n * Subscribers (and the optional final callback) are invoked asynchronously.\n * This method will return before anyone is actually notified.\n *\n * @param {string} subject The subject to publish about.\n * @param {Object} e An arbitrary object associated with this notification.\n * @param {function(Object)} opt_lastCallback An optional function to call after\n *     all subscribers have been notified.\n */\nhterm.PubSub.prototype.publish = function(subject, e, opt_lastCallback) {\n  function notifyList(i) {\n    // Set this timeout before invoking the callback, so we don't have to\n    // concern ourselves with exceptions.\n    if (i < list.length - 1)\n      setTimeout(notifyList, 0, i + 1);\n\n    list[i](e);\n  }\n\n  var list = this.observers_[subject];\n  if (list) {\n    // Copy the list, in case it changes while we're notifying.\n    list = [].concat(list);\n  }\n\n  if (opt_lastCallback) {\n    if (list) {\n      list.push(opt_lastCallback);\n    } else {\n      list = [opt_lastCallback];\n    }\n  }\n\n  if (list)\n    setTimeout(notifyList, 0, 0);\n};\n// SOURCE FILE: hterm/js/hterm_screen.js\n// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\nlib.rtdep('lib.f', 'lib.wc',\n          'hterm.RowCol', 'hterm.Size', 'hterm.TextAttributes');\n\n/**\n * @fileoverview This class represents a single terminal screen full of text.\n *\n * It maintains the current cursor position and has basic methods for text\n * insert and overwrite, and adding or removing rows from the screen.\n *\n * This class has no knowledge of the scrollback buffer.\n *\n * The number of rows on the screen is determined only by the number of rows\n * that the caller inserts into the screen.  If a caller wants to ensure a\n * constant number of rows on the screen, it's their responsibility to remove a\n * row for each row inserted.\n *\n * The screen width, in contrast, is enforced locally.\n *\n *\n * In practice...\n * - The hterm.Terminal class holds two hterm.Screen instances.  One for the\n * primary screen and one for the alternate screen.\n *\n * - The html.Screen class only cares that rows are HTMLElements.  In the\n * larger context of hterm, however, the rows happen to be displayed by an\n * hterm.ScrollPort and have to follow a few rules as a result.  Each\n * row must be rooted by the custom HTML tag 'x-row', and each must have a\n * rowIndex property that corresponds to the index of the row in the context\n * of the scrollback buffer.  These invariants are enforced by hterm.Terminal\n * because that is the class using the hterm.Screen in the context of an\n * hterm.ScrollPort.\n */\n\n/**\n * Create a new screen instance.\n *\n * The screen initially has no rows and a maximum column count of 0.\n *\n * @param {integer} opt_columnCount The maximum number of columns for this\n *    screen.  See insertString() and overwriteString() for information about\n *    what happens when too many characters are added too a row.  Defaults to\n *    0 if not provided.\n */\nhterm.Screen = function(opt_columnCount) {\n  /**\n   * Public, read-only access to the rows in this screen.\n   */\n  this.rowsArray = [];\n\n  // The max column width for this screen.\n  this.columnCount_ = opt_columnCount || 80;\n\n  // The current color, bold, underline and blink attributes.\n  this.textAttributes = new hterm.TextAttributes(window.document);\n\n  // Current zero-based cursor coordinates.\n  this.cursorPosition = new hterm.RowCol(0, 0);\n\n  // The node containing the row that the cursor is positioned on.\n  this.cursorRowNode_ = null;\n\n  // The node containing the span of text that the cursor is positioned on.\n  this.cursorNode_ = null;\n\n  // The offset in column width into cursorNode_ where the cursor is positioned.\n  this.cursorOffset_ = null;\n\n  // Regexes for expanding word selections.\n  this.wordBreakMatchLeft = null;\n  this.wordBreakMatchRight = null;\n  this.wordBreakMatchMiddle = null;\n};\n\n/**\n * Return the screen size as an hterm.Size object.\n *\n * @return {hterm.Size} hterm.Size object representing the current number\n *     of rows and columns in this screen.\n */\nhterm.Screen.prototype.getSize = function() {\n  return new hterm.Size(this.columnCount_, this.rowsArray.length);\n};\n\n/**\n * Return the current number of rows in this screen.\n *\n * @return {integer} The number of rows in this screen.\n */\nhterm.Screen.prototype.getHeight = function() {\n  return this.rowsArray.length;\n};\n\n/**\n * Return the current number of columns in this screen.\n *\n * @return {integer} The number of columns in this screen.\n */\nhterm.Screen.prototype.getWidth = function() {\n  return this.columnCount_;\n};\n\n/**\n * Set the maximum number of columns per row.\n *\n * @param {integer} count The maximum number of columns per row.\n */\nhterm.Screen.prototype.setColumnCount = function(count) {\n  this.columnCount_ = count;\n\n  if (this.cursorPosition.column >= count)\n    this.setCursorPosition(this.cursorPosition.row, count - 1);\n};\n\n/**\n * Remove the first row from the screen and return it.\n *\n * @return {HTMLElement} The first row in this screen.\n */\nhterm.Screen.prototype.shiftRow = function() {\n  return this.shiftRows(1)[0];\n};\n\n/**\n * Remove rows from the top of the screen and return them as an array.\n *\n * @param {integer} count The number of rows to remove.\n * @return {Array.<HTMLElement>} The selected rows.\n */\nhterm.Screen.prototype.shiftRows = function(count) {\n  return this.rowsArray.splice(0, count);\n};\n\n/**\n * Insert a row at the top of the screen.\n *\n * @param {HTMLElement} row The row to insert.\n */\nhterm.Screen.prototype.unshiftRow = function(row) {\n  this.rowsArray.splice(0, 0, row);\n};\n\n/**\n * Insert rows at the top of the screen.\n *\n * @param {Array.<HTMLElement>} rows The rows to insert.\n */\nhterm.Screen.prototype.unshiftRows = function(rows) {\n  this.rowsArray.unshift.apply(this.rowsArray, rows);\n};\n\n/**\n * Remove the last row from the screen and return it.\n *\n * @return {HTMLElement} The last row in this screen.\n */\nhterm.Screen.prototype.popRow = function() {\n  return this.popRows(1)[0];\n};\n\n/**\n * Remove rows from the bottom of the screen and return them as an array.\n *\n * @param {integer} count The number of rows to remove.\n * @return {Array.<HTMLElement>} The selected rows.\n */\nhterm.Screen.prototype.popRows = function(count) {\n  return this.rowsArray.splice(this.rowsArray.length - count, count);\n};\n\n/**\n * Insert a row at the bottom of the screen.\n *\n * @param {HTMLElement} row The row to insert.\n */\nhterm.Screen.prototype.pushRow = function(row) {\n  this.rowsArray.push(row);\n};\n\n/**\n * Insert rows at the bottom of the screen.\n *\n * @param {Array.<HTMLElement>} rows The rows to insert.\n */\nhterm.Screen.prototype.pushRows = function(rows) {\n  rows.push.apply(this.rowsArray, rows);\n};\n\n/**\n * Insert a row at the specified row of the screen.\n *\n * @param {integer} index The index to insert the row.\n * @param {HTMLElement} row The row to insert.\n */\nhterm.Screen.prototype.insertRow = function(index, row) {\n  this.rowsArray.splice(index, 0, row);\n};\n\n/**\n * Insert rows at the specified row of the screen.\n *\n * @param {integer} index The index to insert the rows.\n * @param {Array.<HTMLElement>} rows The rows to insert.\n */\nhterm.Screen.prototype.insertRows = function(index, rows) {\n  for (var i = 0; i < rows.length; i++) {\n    this.rowsArray.splice(index + i, 0, rows[i]);\n  }\n};\n\n/**\n * Remove a row from the screen and return it.\n *\n * @param {integer} index The index of the row to remove.\n * @return {HTMLElement} The selected row.\n */\nhterm.Screen.prototype.removeRow = function(index) {\n  return this.rowsArray.splice(index, 1)[0];\n};\n\n/**\n * Remove rows from the bottom of the screen and return them as an array.\n *\n * @param {integer} index The index to start removing rows.\n * @param {integer} count The number of rows to remove.\n * @return {Array.<HTMLElement>} The selected rows.\n */\nhterm.Screen.prototype.removeRows = function(index, count) {\n  return this.rowsArray.splice(index, count);\n};\n\n/**\n * Invalidate the current cursor position.\n *\n * This sets this.cursorPosition to (0, 0) and clears out some internal\n * data.\n *\n * Attempting to insert or overwrite text while the cursor position is invalid\n * will raise an obscure exception.\n */\nhterm.Screen.prototype.invalidateCursorPosition = function() {\n  this.cursorPosition.move(0, 0);\n  this.cursorRowNode_ = null;\n  this.cursorNode_ = null;\n  this.cursorOffset_ = null;\n};\n\n/**\n * Clear the contents of the cursor row.\n */\nhterm.Screen.prototype.clearCursorRow = function() {\n  this.cursorRowNode_.innerHTML = '';\n  this.cursorRowNode_.removeAttribute('line-overflow');\n  this.cursorOffset_ = 0;\n  this.cursorPosition.column = 0;\n  this.cursorPosition.overflow = false;\n\n  var text;\n  if (this.textAttributes.isDefault()) {\n    text = '';\n  } else {\n    text = lib.f.getWhitespace(this.columnCount_);\n  }\n\n  // We shouldn't honor inverse colors when clearing an area, to match\n  // xterm's back color erase behavior.\n  var inverse = this.textAttributes.inverse;\n  this.textAttributes.inverse = false;\n  this.textAttributes.syncColors();\n\n  var node = this.textAttributes.createContainer(text);\n  this.cursorRowNode_.appendChild(node);\n  this.cursorNode_ = node;\n\n  this.textAttributes.inverse = inverse;\n  this.textAttributes.syncColors();\n};\n\n/**\n * Mark the current row as having overflowed to the next line.\n *\n * The line overflow state is used when converting a range of rows into text.\n * It makes it possible to recombine two or more overflow terminal rows into\n * a single line.\n *\n * This is distinct from the cursor being in the overflow state.  Cursor\n * overflow indicates that printing at the cursor position will commit a\n * line overflow, unless it is preceded by a repositioning of the cursor\n * to a non-overflow state.\n */\nhterm.Screen.prototype.commitLineOverflow = function() {\n  this.cursorRowNode_.setAttribute('line-overflow', true);\n};\n\n/**\n * Relocate the cursor to a give row and column.\n *\n * @param {integer} row The zero based row.\n * @param {integer} column The zero based column.\n */\nhterm.Screen.prototype.setCursorPosition = function(row, column) {\n  if (!this.rowsArray.length) {\n    console.warn('Attempt to set cursor position on empty screen.');\n    return;\n  }\n\n  if (row >= this.rowsArray.length) {\n    console.error('Row out of bounds: ' + row);\n    row = this.rowsArray.length - 1;\n  } else if (row < 0) {\n    console.error('Row out of bounds: ' + row);\n    row = 0;\n  }\n\n  if (column >= this.columnCount_) {\n    console.error('Column out of bounds: ' + column);\n    column = this.columnCount_ - 1;\n  } else if (column < 0) {\n    console.error('Column out of bounds: ' + column);\n    column = 0;\n  }\n\n  this.cursorPosition.overflow = false;\n\n  var rowNode = this.rowsArray[row];\n  var node = rowNode.firstChild;\n\n  if (!node) {\n    node = rowNode.ownerDocument.createTextNode('');\n    rowNode.appendChild(node);\n  }\n\n  var currentColumn = 0;\n\n  if (rowNode == this.cursorRowNode_) {\n    if (column >= this.cursorPosition.column - this.cursorOffset_) {\n      node = this.cursorNode_;\n      currentColumn = this.cursorPosition.column - this.cursorOffset_;\n    }\n  } else {\n    this.cursorRowNode_ = rowNode;\n  }\n\n  this.cursorPosition.move(row, column);\n\n  while (node) {\n    var offset = column - currentColumn;\n    var width = hterm.TextAttributes.nodeWidth(node);\n    if (!node.nextSibling || width > offset) {\n      this.cursorNode_ = node;\n      this.cursorOffset_ = offset;\n      return;\n    }\n\n    currentColumn += width;\n    node = node.nextSibling;\n  }\n};\n\n/**\n * Set the provided selection object to be a caret selection at the current\n * cursor position.\n */\nhterm.Screen.prototype.syncSelectionCaret = function(selection) {\n  try {\n    selection.collapse(this.cursorNode_, this.cursorOffset_);\n  } catch (firefoxIgnoredException) {\n    // FF can throw an exception if the range is off, rather than just not\n    // performing the collapse.\n  }\n};\n\n/**\n * Split a single node into two nodes at the given offset.\n *\n * For example:\n * Given the DOM fragment '<div><span>Hello World</span></div>', call splitNode_\n * passing the span and an offset of 6.  This would modify the fragment to\n * become: '<div><span>Hello </span><span>World</span></div>'.  If the span\n * had any attributes they would have been copied to the new span as well.\n *\n * The to-be-split node must have a container, so that the new node can be\n * placed next to it.\n *\n * @param {HTMLNode} node The node to split.\n * @param {integer} offset The offset into the node where the split should\n *     occur.\n */\nhterm.Screen.prototype.splitNode_ = function(node, offset) {\n  var afterNode = node.cloneNode(false);\n\n  var textContent = node.textContent;\n  node.textContent = hterm.TextAttributes.nodeSubstr(node, 0, offset);\n  afterNode.textContent = lib.wc.substr(textContent, offset);\n\n  if (afterNode.textContent)\n    node.parentNode.insertBefore(afterNode, node.nextSibling);\n  if (!node.textContent)\n    node.parentNode.removeChild(node);\n};\n\n/**\n * Ensure that text is clipped and the cursor is clamped to the column count.\n */\nhterm.Screen.prototype.maybeClipCurrentRow = function() {\n  var width = hterm.TextAttributes.nodeWidth(this.cursorRowNode_);\n\n  if (width <= this.columnCount_) {\n    // Current row does not need clipping, but may need clamping.\n    if (this.cursorPosition.column >= this.columnCount_) {\n      this.setCursorPosition(this.cursorPosition.row, this.columnCount_ - 1);\n      this.cursorPosition.overflow = true;\n    }\n\n    return;\n  }\n\n  // Save off the current column so we can maybe restore it later.\n  var currentColumn = this.cursorPosition.column;\n\n  // Move the cursor to the final column.\n  this.setCursorPosition(this.cursorPosition.row, this.columnCount_ - 1);\n\n  // Remove any text that partially overflows.\n  width = hterm.TextAttributes.nodeWidth(this.cursorNode_);\n\n  if (this.cursorOffset_ < width - 1) {\n    this.cursorNode_.textContent = hterm.TextAttributes.nodeSubstr(\n        this.cursorNode_, 0, this.cursorOffset_ + 1);\n  }\n\n  // Remove all nodes after the cursor.\n  var rowNode = this.cursorRowNode_;\n  var node = this.cursorNode_.nextSibling;\n\n  while (node) {\n    rowNode.removeChild(node);\n    node = this.cursorNode_.nextSibling;\n  }\n\n  if (currentColumn < this.columnCount_) {\n    // If the cursor was within the screen before we started then restore its\n    // position.\n    this.setCursorPosition(this.cursorPosition.row, currentColumn);\n  } else {\n    // Otherwise leave it at the the last column in the overflow state.\n    this.cursorPosition.overflow = true;\n  }\n};\n\n/**\n * Insert a string at the current character position using the current\n * text attributes.\n *\n * You must call maybeClipCurrentRow() after in order to clip overflowed\n * text and clamp the cursor.\n *\n * It is also up to the caller to properly maintain the line overflow state\n * using hterm.Screen..commitLineOverflow().\n */\nhterm.Screen.prototype.insertString = function(str) {\n  var cursorNode = this.cursorNode_;\n  var cursorNodeText = cursorNode.textContent;\n\n  this.cursorRowNode_.removeAttribute('line-overflow');\n\n  // We may alter the width of the string by prepending some missing\n  // whitespaces, so we need to record the string width ahead of time.\n  var strWidth = lib.wc.strWidth(str);\n\n  // No matter what, before this function exits the cursor column will have\n  // moved this much.\n  this.cursorPosition.column += strWidth;\n\n  // Local cache of the cursor offset.\n  var offset = this.cursorOffset_;\n\n  // Reverse offset is the offset measured from the end of the string.\n  // Zero implies that the cursor is at the end of the cursor node.\n  var reverseOffset = hterm.TextAttributes.nodeWidth(cursorNode) - offset;\n\n  if (reverseOffset < 0) {\n    // A negative reverse offset means the cursor is positioned past the end\n    // of the characters on this line.  We'll need to insert the missing\n    // whitespace.\n    var ws = lib.f.getWhitespace(-reverseOffset);\n\n    // This whitespace should be completely unstyled.  Underline, background\n    // color, and strikethrough would be visible on whitespace, so we can't use\n    // one of those spans to hold the text.\n    if (!(this.textAttributes.underline ||\n          this.textAttributes.strikethrough ||\n          this.textAttributes.background ||\n          this.textAttributes.wcNode ||\n          !this.textAttributes.asciiNode ||\n          this.textAttributes.tileData != null)) {\n      // Best case scenario, we can just pretend the spaces were part of the\n      // original string.\n      str = ws + str;\n    } else if (cursorNode.nodeType == 3 ||\n               !(cursorNode.wcNode ||\n                 !cursorNode.asciiNode ||\n                 cursorNode.tileNode ||\n                 cursorNode.style.textDecoration ||\n                 cursorNode.style.backgroundColor)) {\n      // Second best case, the current node is able to hold the whitespace.\n      cursorNode.textContent = (cursorNodeText += ws);\n    } else {\n      // Worst case, we have to create a new node to hold the whitespace.\n      var wsNode = cursorNode.ownerDocument.createTextNode(ws);\n      this.cursorRowNode_.insertBefore(wsNode, cursorNode.nextSibling);\n      this.cursorNode_ = cursorNode = wsNode;\n      this.cursorOffset_ = offset = -reverseOffset;\n      cursorNodeText = ws;\n    }\n\n    // We now know for sure that we're at the last character of the cursor node.\n    reverseOffset = 0;\n  }\n\n  if (this.textAttributes.matchesContainer(cursorNode)) {\n    // The new text can be placed directly in the cursor node.\n    if (reverseOffset == 0) {\n      cursorNode.textContent = cursorNodeText + str;\n    } else if (offset == 0) {\n      cursorNode.textContent = str + cursorNodeText;\n    } else {\n      cursorNode.textContent =\n          hterm.TextAttributes.nodeSubstr(cursorNode, 0, offset) +\n          str + hterm.TextAttributes.nodeSubstr(cursorNode, offset);\n    }\n\n    this.cursorOffset_ += strWidth;\n    return;\n  }\n\n  // The cursor node is the wrong style for the new text.  If we're at the\n  // beginning or end of the cursor node, then the adjacent node is also a\n  // potential candidate.\n\n  if (offset == 0) {\n    // At the beginning of the cursor node, the check the previous sibling.\n    var previousSibling = cursorNode.previousSibling;\n    if (previousSibling &&\n        this.textAttributes.matchesContainer(previousSibling)) {\n      previousSibling.textContent += str;\n      this.cursorNode_ = previousSibling;\n      this.cursorOffset_ = lib.wc.strWidth(previousSibling.textContent);\n      return;\n    }\n\n    var newNode = this.textAttributes.createContainer(str);\n    this.cursorRowNode_.insertBefore(newNode, cursorNode);\n    this.cursorNode_ = newNode;\n    this.cursorOffset_ = strWidth;\n    return;\n  }\n\n  if (reverseOffset == 0) {\n    // At the end of the cursor node, the check the next sibling.\n    var nextSibling = cursorNode.nextSibling;\n    if (nextSibling &&\n        this.textAttributes.matchesContainer(nextSibling)) {\n      nextSibling.textContent = str + nextSibling.textContent;\n      this.cursorNode_ = nextSibling;\n      this.cursorOffset_ = lib.wc.strWidth(str);\n      return;\n    }\n\n    var newNode = this.textAttributes.createContainer(str);\n    this.cursorRowNode_.insertBefore(newNode, nextSibling);\n    this.cursorNode_ = newNode;\n    // We specifically need to include any missing whitespace here, since it's\n    // going in a new node.\n    this.cursorOffset_ = hterm.TextAttributes.nodeWidth(newNode);\n    return;\n  }\n\n  // Worst case, we're somewhere in the middle of the cursor node.  We'll\n  // have to split it into two nodes and insert our new container in between.\n  this.splitNode_(cursorNode, offset);\n  var newNode = this.textAttributes.createContainer(str);\n  this.cursorRowNode_.insertBefore(newNode, cursorNode.nextSibling);\n  this.cursorNode_ = newNode;\n  this.cursorOffset_ = strWidth;\n};\n\n/**\n * Overwrite the text at the current cursor position.\n *\n * You must call maybeClipCurrentRow() after in order to clip overflowed\n * text and clamp the cursor.\n *\n * It is also up to the caller to properly maintain the line overflow state\n * using hterm.Screen..commitLineOverflow().\n */\nhterm.Screen.prototype.overwriteString = function(str) {\n  var maxLength = this.columnCount_ - this.cursorPosition.column;\n  if (!maxLength)\n    return [str];\n\n  var width = lib.wc.strWidth(str);\n  if (this.textAttributes.matchesContainer(this.cursorNode_) &&\n      this.cursorNode_.textContent.substr(this.cursorOffset_) == str) {\n    // This overwrite would be a no-op, just move the cursor and return.\n    this.cursorOffset_ += width;\n    this.cursorPosition.column += width;\n    return;\n  }\n\n  this.deleteChars(Math.min(width, maxLength));\n  this.insertString(str);\n};\n\n/**\n * Forward-delete one or more characters at the current cursor position.\n *\n * Text to the right of the deleted characters is shifted left.  Only affects\n * characters on the same row as the cursor.\n *\n * @param {integer} count The column width of characters to delete.  This is\n *     clamped to the column width minus the cursor column.\n * @return {integer} The column width of the characters actually deleted.\n */\nhterm.Screen.prototype.deleteChars = function(count) {\n  var node = this.cursorNode_;\n  var offset = this.cursorOffset_;\n\n  var currentCursorColumn = this.cursorPosition.column;\n  count = Math.min(count, this.columnCount_ - currentCursorColumn);\n  if (!count)\n    return 0;\n\n  var rv = count;\n  var startLength, endLength;\n\n  while (node && count) {\n    startLength = hterm.TextAttributes.nodeWidth(node);\n    node.textContent = hterm.TextAttributes.nodeSubstr(node, 0, offset) +\n        hterm.TextAttributes.nodeSubstr(node, offset + count);\n    endLength = hterm.TextAttributes.nodeWidth(node);\n    count -= startLength - endLength;\n    if (offset < startLength && endLength && startLength == endLength) {\n      // No characters were deleted when there should be.  We're probably trying\n      // to delete one column width from a wide character node.  We remove the\n      // wide character node here and replace it with a single space.\n      var spaceNode = this.textAttributes.createContainer(' ');\n      node.parentNode.insertBefore(spaceNode, node.nextSibling);\n      node.textContent = '';\n      endLength = 0;\n      count -= 1;\n    }\n\n    var nextNode = node.nextSibling;\n    if (endLength == 0 && node != this.cursorNode_) {\n      node.parentNode.removeChild(node);\n    }\n    node = nextNode;\n    offset = 0;\n  }\n\n  // Remove this.cursorNode_ if it is an empty non-text node.\n  if (this.cursorNode_.nodeType != 3 && !this.cursorNode_.textContent) {\n    var cursorNode = this.cursorNode_;\n    if (cursorNode.previousSibling) {\n      this.cursorNode_ = cursorNode.previousSibling;\n      this.cursorOffset_ = hterm.TextAttributes.nodeWidth(\n          cursorNode.previousSibling);\n    } else if (cursorNode.nextSibling) {\n      this.cursorNode_ = cursorNode.nextSibling;\n      this.cursorOffset_ = 0;\n    } else {\n      var emptyNode = this.cursorRowNode_.ownerDocument.createTextNode('');\n      this.cursorRowNode_.appendChild(emptyNode);\n      this.cursorNode_ = emptyNode;\n      this.cursorOffset_ = 0;\n    }\n    this.cursorRowNode_.removeChild(cursorNode);\n  }\n\n  return rv;\n};\n\n/**\n * Finds first X-ROW of a line containing specified X-ROW.\n * Used to support line overflow.\n *\n * @param {Node} row X-ROW to begin search for first row of line.\n * @return {Node} The X-ROW that is at the beginning of the line.\n **/\nhterm.Screen.prototype.getLineStartRow_ = function(row) {\n  while (row.previousSibling &&\n         row.previousSibling.hasAttribute('line-overflow')) {\n    row = row.previousSibling;\n  }\n  return row;\n};\n\n/**\n * Gets text of a line beginning with row.\n * Supports line overflow.\n *\n * @param {Node} row First X-ROW of line.\n * @return {string} Text content of line.\n **/\nhterm.Screen.prototype.getLineText_ = function(row) {\n  var rowText = \"\";\n  while (row) {\n    rowText += row.textContent;\n    if (row.hasAttribute('line-overflow')) {\n      row = row.nextSibling;\n    } else {\n      break;\n    }\n  }\n  return rowText;\n};\n\n/**\n * Returns X-ROW that is ancestor of the node.\n *\n * @param {Node} node Node to get X-ROW ancestor for.\n * @return {Node} X-ROW ancestor of node, or null if not found.\n **/\nhterm.Screen.prototype.getXRowAncestor_ = function(node) {\n  while (node) {\n    if (node.nodeName === 'X-ROW')\n      break;\n    node = node.parentNode;\n  }\n  return node;\n};\n\n/**\n * Returns position within line of character at offset within node.\n * Supports line overflow.\n *\n * @param {Node} row X-ROW at beginning of line.\n * @param {Node} node Node to get position of.\n * @param {integer} offset Offset into node.\n *\n * @return {integer} Position within line of character at offset within node.\n **/\nhterm.Screen.prototype.getPositionWithOverflow_ = function(row, node, offset) {\n  if (!node)\n    return -1;\n  var ancestorRow = this.getXRowAncestor_(node);\n  if (!ancestorRow)\n    return -1;\n  var position = 0;\n  while (ancestorRow != row) {\n    position += hterm.TextAttributes.nodeWidth(row);\n    if (row.hasAttribute('line-overflow') && row.nextSibling) {\n      row = row.nextSibling;\n    } else {\n      return -1;\n    }\n  }\n  return position + this.getPositionWithinRow_(row, node, offset);\n};\n\n/**\n * Returns position within row of character at offset within node.\n * Does not support line overflow.\n *\n * @param {Node} row X-ROW to get position within.\n * @param {Node} node Node to get position for.\n * @param {integer} offset Offset within node to get position for.\n * @return {integer} Position within row of character at offset within node.\n **/\nhterm.Screen.prototype.getPositionWithinRow_ = function(row, node, offset) {\n  if (node.parentNode != row) {\n    // If we traversed to the top node, then there's nothing to find here.\n    if (node.parentNode == null)\n      return -1;\n\n    return this.getPositionWithinRow_(node.parentNode, node, offset) +\n           this.getPositionWithinRow_(row, node.parentNode, 0);\n  }\n  var position = 0;\n  for (var i = 0; i < row.childNodes.length; i++) {\n    var currentNode = row.childNodes[i];\n    if (currentNode == node)\n      return position + offset;\n    position += hterm.TextAttributes.nodeWidth(currentNode);\n  }\n  return -1;\n};\n\n/**\n * Returns the node and offset corresponding to position within line.\n * Supports line overflow.\n *\n * @param {Node} row X-ROW at beginning of line.\n * @param {integer} position Position within line to retrieve node and offset.\n * @return {Array} Two element array containing node and offset respectively.\n **/\nhterm.Screen.prototype.getNodeAndOffsetWithOverflow_ = function(row, position) {\n  while (row && position > hterm.TextAttributes.nodeWidth(row)) {\n    if (row.hasAttribute('line-overflow') && row.nextSibling) {\n      position -= hterm.TextAttributes.nodeWidth(row);\n      row = row.nextSibling;\n    } else {\n      return -1;\n    }\n  }\n  return this.getNodeAndOffsetWithinRow_(row, position);\n};\n\n/**\n * Returns the node and offset corresponding to position within row.\n * Does not support line overflow.\n *\n * @param {Node} row X-ROW to get position within.\n * @param {integer} position Position within row to retrieve node and offset.\n * @return {Array} Two element array containing node and offset respectively.\n **/\nhterm.Screen.prototype.getNodeAndOffsetWithinRow_ = function(row, position) {\n  for (var i = 0; i < row.childNodes.length; i++) {\n    var node = row.childNodes[i];\n    var nodeTextWidth = hterm.TextAttributes.nodeWidth(node);\n    if (position <= nodeTextWidth) {\n      if (node.nodeName === 'SPAN') {\n        /** Drill down to node contained by SPAN. **/\n        return this.getNodeAndOffsetWithinRow_(node, position);\n      } else {\n        return [node, position];\n      }\n    }\n    position -= nodeTextWidth;\n  }\n  return null;\n};\n\n/**\n * Returns the node and offset corresponding to position within line.\n * Supports line overflow.\n *\n * @param {Node} row X-ROW at beginning of line.\n * @param {integer} start Start position of range within line.\n * @param {integer} end End position of range within line.\n * @param {Range} range Range to modify.\n **/\nhterm.Screen.prototype.setRange_ = function(row, start, end, range) {\n  var startNodeAndOffset = this.getNodeAndOffsetWithOverflow_(row, start);\n  if (startNodeAndOffset == null)\n    return;\n  var endNodeAndOffset = this.getNodeAndOffsetWithOverflow_(row, end);\n  if (endNodeAndOffset == null)\n    return;\n  range.setStart(startNodeAndOffset[0], startNodeAndOffset[1]);\n  range.setEnd(endNodeAndOffset[0], endNodeAndOffset[1]);\n};\n\n/**\n * Expands selection to surround URLs.\n *\n * @param {Selection} selection Selection to expand.\n **/\nhterm.Screen.prototype.expandSelection = function(selection) {\n  if (!selection)\n    return;\n\n  var range = selection.getRangeAt(0);\n  if (!range || range.toString().match(/\\s/))\n    return;\n\n  var row = this.getLineStartRow_(this.getXRowAncestor_(range.startContainer));\n  if (!row)\n    return;\n\n  var startPosition = this.getPositionWithOverflow_(row,\n                                                    range.startContainer,\n                                                    range.startOffset);\n  if (startPosition == -1)\n    return;\n  var endPosition = this.getPositionWithOverflow_(row,\n                                                  range.endContainer,\n                                                  range.endOffset);\n  if (endPosition == -1)\n    return;\n\n  // Use the user configurable match settings.\n  var leftMatch   = this.wordBreakMatchLeft;\n  var rightMatch  = this.wordBreakMatchRight;\n  var insideMatch = this.wordBreakMatchMiddle;\n\n  //Move start to the left.\n  var rowText = this.getLineText_(row);\n  var lineUpToRange = lib.wc.substring(rowText, 0, endPosition);\n  var leftRegularExpression = new RegExp(leftMatch + insideMatch + \"$\");\n  var expandedStart = lineUpToRange.search(leftRegularExpression);\n  if (expandedStart == -1 || expandedStart > startPosition)\n    return;\n\n  //Move end to the right.\n  var lineFromRange = lib.wc.substring(rowText, startPosition,\n                                       lib.wc.strWidth(rowText));\n  var rightRegularExpression = new RegExp(\"^\" + insideMatch + rightMatch);\n  var found = lineFromRange.match(rightRegularExpression);\n  if (!found)\n    return;\n  var expandedEnd = startPosition + lib.wc.strWidth(found[0]);\n  if (expandedEnd == -1 || expandedEnd < endPosition)\n    return;\n\n  this.setRange_(row, expandedStart, expandedEnd, range);\n  selection.addRange(range);\n};\n// SOURCE FILE: hterm/js/hterm_scrollport.js\n// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\nlib.rtdep('lib.f', 'hterm.PubSub', 'hterm.Size');\n\n/**\n * A 'viewport' view of fixed-height rows with support for selection and\n * copy-to-clipboard.\n *\n * 'Viewport' in this case means that only the visible rows are in the DOM.\n * If the rowProvider has 100,000 rows, but the ScrollPort is only 25 rows\n * tall, then only 25 dom nodes are created.  The ScrollPort will ask the\n * RowProvider to create new visible rows on demand as they are scrolled in\n * to the visible area.\n *\n * This viewport is designed so that select and copy-to-clipboard still works,\n * even when all or part of the selection is scrolled off screen.\n *\n * Note that the X11 mouse clipboard does not work properly when all or part\n * of the selection is off screen.  It would be difficult to fix this without\n * adding significant overhead to pathologically large selection cases.\n *\n * The RowProvider should return rows rooted by the custom tag name 'x-row'.\n * This ensures that we can quickly assign the correct display height\n * to the rows with css.\n *\n * @param {RowProvider} rowProvider An object capable of providing rows as\n *     raw text or row nodes.\n */\nhterm.ScrollPort = function(rowProvider) {\n  hterm.PubSub.addBehavior(this);\n\n  this.rowProvider_ = rowProvider;\n\n  // SWAG the character size until we can measure it.\n  this.characterSize = new hterm.Size(10, 10);\n\n  // DOM node used for character measurement.\n  this.ruler_ = null;\n\n  this.selection = new hterm.ScrollPort.Selection(this);\n\n  // A map of rowIndex => rowNode for each row that is drawn as part of a\n  // pending redraw_() call.  Null if there is no pending redraw_ call.\n  this.currentRowNodeCache_ = null;\n\n  // A map of rowIndex => rowNode for each row that was drawn as part of the\n  // previous redraw_() call.\n  this.previousRowNodeCache_ = {};\n\n  // Used during scroll events to detect when the underlying cause is a resize.\n  this.lastScreenWidth_ = null;\n  this.lastScreenHeight_ = null;\n\n  // True if the user should be allowed to select text in the terminal.\n  // This is disabled when the host requests mouse drag events so that we don't\n  // end up with two notions of selection.\n  this.selectionEnabled_ = true;\n\n  // The last row count returned by the row provider, re-populated during\n  // syncScrollHeight().\n  this.lastRowCount_ = 0;\n\n  // The scroll wheel pixel delta multiplier to increase/decrease\n  // the scroll speed of mouse wheel events. See: https://goo.gl/sXelnq\n  this.scrollWheelMultiplier_ = 1;\n\n  // The last touch events we saw to support touch based scrolling.  Indexed\n  // by touch identifier since we can have more than one touch active.\n  this.lastTouch_ = {};\n\n  /**\n   * True if the last scroll caused the scrollport to show the final row.\n   */\n  this.isScrolledEnd = true;\n\n  /**\n   * A guess at the current scrollbar width, fixed in resize().\n   */\n  this.currentScrollbarWidthPx = 16;\n\n  /**\n   * Whether the ctrl-v key on the screen should paste.\n   */\n  this.ctrlVPaste = false;\n\n  this.div_ = null;\n  this.document_ = null;\n\n  // Collection of active timeout handles.\n  this.timeouts_ = {};\n\n  this.observers_ = {};\n\n  this.DEBUG_ = false;\n}\n\n/**\n * Proxy for the native selection object which understands how to walk up the\n * DOM to find the containing row node and sort out which comes first.\n *\n * @param {hterm.ScrollPort} scrollPort The parent hterm.ScrollPort instance.\n */\nhterm.ScrollPort.Selection = function(scrollPort) {\n  this.scrollPort_ = scrollPort;\n\n  /**\n   * The row containing the start of the selection.\n   *\n   * This may be partially or fully selected.  It may be the selection anchor\n   * or the focus, but its rowIndex is guaranteed to be less-than-or-equal-to\n   * that of the endRow.\n   *\n   * If only one row is selected then startRow == endRow.  If there is no\n   * selection or the selection is collapsed then startRow == null.\n   */\n  this.startRow = null;\n\n  /**\n   * The row containing the end of the selection.\n   *\n   * This may be partially or fully selected.  It may be the selection anchor\n   * or the focus, but its rowIndex is guaranteed to be greater-than-or-equal-to\n   * that of the startRow.\n   *\n   * If only one row is selected then startRow == endRow.  If there is no\n   * selection or the selection is collapsed then startRow == null.\n   */\n  this.endRow = null;\n\n  /**\n   * True if startRow != endRow.\n   */\n  this.isMultiline = null;\n\n  /**\n   * True if the selection is just a point rather than a range.\n   */\n  this.isCollapsed = null;\n};\n\n/**\n * Given a list of DOM nodes and a container, return the DOM node that\n * is first according to a depth-first search.\n *\n * Returns null if none of the children are found.\n */\nhterm.ScrollPort.Selection.prototype.findFirstChild = function(\n    parent, childAry) {\n  var node = parent.firstChild;\n\n  while (node) {\n    if (childAry.indexOf(node) != -1)\n      return node;\n\n    if (node.childNodes.length) {\n      var rv = this.findFirstChild(node, childAry);\n      if (rv)\n        return rv;\n    }\n\n    node = node.nextSibling;\n  }\n\n  return null;\n};\n\n/**\n * Synchronize this object with the current DOM selection.\n *\n * This is a one-way synchronization, the DOM selection is copied to this\n * object, not the other way around.\n */\nhterm.ScrollPort.Selection.prototype.sync = function() {\n  var self = this;\n\n  // The dom selection object has no way to tell which nodes come first in\n  // the document, so we have to figure that out.\n  //\n  // This function is used when we detect that the \"anchor\" node is first.\n  function anchorFirst() {\n    self.startRow = anchorRow;\n    self.startNode = selection.anchorNode;\n    self.startOffset = selection.anchorOffset;\n    self.endRow = focusRow;\n    self.endNode = selection.focusNode;\n    self.endOffset = selection.focusOffset;\n  }\n\n  // This function is used when we detect that the \"focus\" node is first.\n  function focusFirst() {\n    self.startRow = focusRow;\n    self.startNode = selection.focusNode;\n    self.startOffset = selection.focusOffset;\n    self.endRow = anchorRow;\n    self.endNode = selection.anchorNode;\n    self.endOffset = selection.anchorOffset;\n  }\n\n  var selection = this.scrollPort_.getDocument().getSelection();\n\n  this.startRow = null;\n  this.endRow = null;\n  this.isMultiline = null;\n  this.isCollapsed = !selection || selection.isCollapsed;\n\n  if (this.isCollapsed)\n    return;\n\n  var anchorRow = selection.anchorNode;\n  while (anchorRow && !('rowIndex' in anchorRow)) {\n    anchorRow = anchorRow.parentNode;\n  }\n\n  if (!anchorRow) {\n    console.error('Selection anchor is not rooted in a row node: ' +\n                  selection.anchorNode.nodeName);\n    return;\n  }\n\n  var focusRow = selection.focusNode;\n  while (focusRow && !('rowIndex' in focusRow)) {\n    focusRow = focusRow.parentNode;\n  }\n\n  if (!focusRow) {\n    console.error('Selection focus is not rooted in a row node: ' +\n                  selection.focusNode.nodeName);\n    return;\n  }\n\n  if (anchorRow.rowIndex < focusRow.rowIndex) {\n    anchorFirst();\n\n  } else if (anchorRow.rowIndex > focusRow.rowIndex) {\n    focusFirst();\n\n  } else if (selection.focusNode == selection.anchorNode) {\n    if (selection.anchorOffset < selection.focusOffset) {\n      anchorFirst();\n    } else {\n      focusFirst();\n    }\n\n  } else {\n    // The selection starts and ends in the same row, but isn't contained all\n    // in a single node.\n    var firstNode = this.findFirstChild(\n        anchorRow, [selection.anchorNode, selection.focusNode]);\n\n    if (!firstNode)\n      throw new Error('Unexpected error syncing selection.');\n\n    if (firstNode == selection.anchorNode) {\n      anchorFirst();\n    } else {\n      focusFirst();\n    }\n  }\n\n  this.isMultiline = anchorRow.rowIndex != focusRow.rowIndex;\n};\n\n\n/**\n * Turn a div into this hterm.ScrollPort.\n */\nhterm.ScrollPort.prototype.decorate = function(div) {\n  this.div_ = div;\n\n  this.iframe_ = div.ownerDocument.createElement('iframe');\n  this.iframe_.style.cssText = (\n      'border: 0;' +\n      'height: 100%;' +\n      'position: absolute;' +\n      'width: 100%');\n\n  // Set the iframe src to # in FF.  Otherwise when the frame's\n  // load event fires in FF it clears out the content of the iframe.\n  if ('mozInnerScreenX' in window)  // detect a FF only property\n    this.iframe_.src = '#';\n\n  div.appendChild(this.iframe_);\n\n  this.iframe_.contentWindow.addEventListener('resize',\n                                              this.onResize_.bind(this));\n\n  var doc = this.document_ = this.iframe_.contentDocument;\n  doc.body.style.cssText = (\n      'margin: 0px;' +\n      'padding: 0px;' +\n      'height: 100%;' +\n      'width: 100%;' +\n      'overflow: hidden;' +\n      'cursor: var(--hterm-mouse-cursor-style);' +\n      '-webkit-user-select: none;' +\n      '-moz-user-select: none;');\n\n  if (this.DEBUG_) {\n    // When we're debugging we add padding to the body so that the offscreen\n    // elements are visible.\n    this.document_.body.style.paddingTop =\n        this.document_.body.style.paddingBottom =\n        'calc(var(--hterm-charsize-height) * 3)';\n  }\n\n  var style = doc.createElement('style');\n  style.textContent = (\n      'x-row {' +\n      '  display: block;' +\n      '  height: var(--hterm-charsize-height);' +\n      '  line-height: var(--hterm-charsize-height);' +\n      '}');\n  doc.head.appendChild(style);\n\n  this.userCssLink_ = doc.createElement('link');\n  this.userCssLink_.setAttribute('rel', 'stylesheet');\n\n  this.userCssText_ = doc.createElement('style');\n  doc.head.appendChild(this.userCssText_);\n\n  // TODO(rginda): Sorry, this 'screen_' isn't the same thing as hterm.Screen\n  // from screen.js.  I need to pick a better name for one of them to avoid\n  // the collision.\n  // We make this field editable even though we don't actually allow anything\n  // to be edited here so that Chrome will do the right thing with virtual\n  // keyboards and IMEs.  But make sure we turn off all the input helper logic\n  // that doesn't make sense here, and might inadvertently mung or save input.\n  // Some of these attributes are standard while others are browser specific,\n  // but should be safely ignored by other browsers.\n  this.screen_ = doc.createElement('x-screen');\n  this.screen_.setAttribute('contenteditable', 'true');\n  this.screen_.setAttribute('spellcheck', 'false');\n  this.screen_.setAttribute('autocomplete', 'off');\n  this.screen_.setAttribute('autocorrect', 'off');\n  this.screen_.setAttribute('autocaptalize', 'none');\n  this.screen_.setAttribute('role', 'textbox');\n  this.screen_.setAttribute('tabindex', '-1');\n  this.screen_.style.cssText = (\n      'caret-color: transparent;' +\n      'display: block;' +\n      'font-family: monospace;' +\n      'font-size: 15px;' +\n      'font-variant-ligatures: none;' +\n      'height: 100%;' +\n      'overflow-y: scroll; overflow-x: hidden;' +\n      'white-space: pre;' +\n      'width: 100%;' +\n      'outline: none !important');\n\n  doc.body.appendChild(this.screen_);\n\n  this.screen_.addEventListener('scroll', this.onScroll_.bind(this));\n  this.screen_.addEventListener('wheel', this.onScrollWheel_.bind(this));\n  this.screen_.addEventListener('touchstart', this.onTouch_.bind(this));\n  this.screen_.addEventListener('touchmove', this.onTouch_.bind(this));\n  this.screen_.addEventListener('touchend', this.onTouch_.bind(this));\n  this.screen_.addEventListener('touchcancel', this.onTouch_.bind(this));\n  this.screen_.addEventListener('copy', this.onCopy_.bind(this));\n  this.screen_.addEventListener('paste', this.onPaste_.bind(this));\n  // Disable drag & drop of text/content.  We don't handle it at all (yet?),\n  // and the default behavior just confuses hterm.\n  this.screen_.addEventListener('drop', function(e) {\n    e.preventDefault();\n    return false;\n  });\n\n  doc.body.addEventListener('keydown', this.onBodyKeyDown_.bind(this));\n\n  // This is the main container for the fixed rows.\n  this.rowNodes_ = doc.createElement('div');\n  this.rowNodes_.id = 'hterm:row-nodes';\n  this.rowNodes_.style.cssText = (\n      'display: block;' +\n      'position: fixed;' +\n      'overflow: hidden;' +\n      '-webkit-user-select: text;' +\n      '-moz-user-select: text;');\n  this.screen_.appendChild(this.rowNodes_);\n\n  // Two nodes to hold offscreen text during the copy event.\n  this.topSelectBag_ = doc.createElement('x-select-bag');\n  this.topSelectBag_.style.cssText = (\n      'display: block;' +\n      'overflow: hidden;' +\n      'height: var(--hterm-charsize-height);' +\n      'white-space: pre;');\n\n  this.bottomSelectBag_ = this.topSelectBag_.cloneNode();\n\n  // Nodes above the top fold and below the bottom fold are hidden.  They are\n  // only used to hold rows that are part of the selection but are currently\n  // scrolled off the top or bottom of the visible range.\n  this.topFold_ = doc.createElement('x-fold');\n  this.topFold_.id = 'hterm:top-fold-for-row-selection';\n  this.topFold_.style.cssText = 'display: block;';\n  this.rowNodes_.appendChild(this.topFold_);\n\n  this.bottomFold_ = this.topFold_.cloneNode();\n  this.bottomFold_.id = 'hterm:bottom-fold-for-row-selection';\n  this.rowNodes_.appendChild(this.bottomFold_);\n\n  // This hidden div accounts for the vertical space that would be consumed by\n  // all the rows in the buffer if they were visible.  It's what causes the\n  // scrollbar to appear on the 'x-screen', and it moves within the screen when\n  // the scrollbar is moved.\n  //\n  // It is set 'visibility: hidden' to keep the browser from trying to include\n  // it in the selection when a user 'drag selects' upwards (drag the mouse to\n  // select and scroll at the same time).  Without this, the selection gets\n  // out of whack.\n  this.scrollArea_ = doc.createElement('div');\n  this.scrollArea_.id = 'hterm:scrollarea';\n  this.scrollArea_.style.cssText = 'visibility: hidden';\n  this.screen_.appendChild(this.scrollArea_);\n\n  // This svg element is used to detect when the browser is zoomed.  It must be\n  // placed in the outermost document for currentScale to be correct.\n  // TODO(rginda): This means that hterm nested in an iframe will not correctly\n  // detect browser zoom level.  We should come up with a better solution.\n  // Note: This must be http:// else Chrome cannot create the element correctly.\n  var xmlns = 'http://www.w3.org/2000/svg';\n  this.svg_ = this.div_.ownerDocument.createElementNS(xmlns, 'svg');\n  this.svg_.id = 'hterm:zoom-detector';\n  this.svg_.setAttribute('xmlns', xmlns);\n  this.svg_.setAttribute('version', '1.1');\n  this.svg_.style.cssText = (\n      'position: absolute;' +\n      'top: 0;' +\n      'left: 0;' +\n      'visibility: hidden');\n\n\n  // We send focus to this element just before a paste happens, so we can\n  // capture the pasted text and forward it on to someone who cares.\n  this.pasteTarget_ = doc.createElement('textarea');\n  this.pasteTarget_.id = 'hterm:ctrl-v-paste-target';\n  this.pasteTarget_.setAttribute('tabindex', '-1');\n  this.pasteTarget_.style.cssText = (\n    'position: absolute;' +\n    'height: 1px;' +\n    'width: 1px;' +\n    'left: 0px; ' +\n    'bottom: 0px;' +\n    'opacity: 0');\n  this.pasteTarget_.contentEditable = true;\n\n  this.screen_.appendChild(this.pasteTarget_);\n  this.pasteTarget_.addEventListener(\n      'textInput', this.handlePasteTargetTextInput_.bind(this));\n\n  this.resize();\n};\n\n/**\n * Select the font-family and font-smoothing for this scrollport.\n *\n * @param {string} fontFamily Value of the CSS 'font-family' to use for this\n *     scrollport.  Should be a monospace font.\n * @param {string} opt_smoothing Optional value for '-webkit-font-smoothing'.\n *     Defaults to an empty string if not specified.\n */\nhterm.ScrollPort.prototype.setFontFamily = function(fontFamily, opt_smoothing) {\n  this.screen_.style.fontFamily = fontFamily;\n  if (opt_smoothing) {\n    this.screen_.style.webkitFontSmoothing = opt_smoothing;\n  } else {\n    this.screen_.style.webkitFontSmoothing = '';\n  }\n\n  this.syncCharacterSize();\n};\n\nhterm.ScrollPort.prototype.getFontFamily = function() {\n  return this.screen_.style.fontFamily;\n};\n\n/**\n * Set a custom stylesheet to include in the scrollport.\n *\n * Defaults to null, meaning no custom css is loaded.  Set it back to null or\n * the empty string to remove a previously applied custom css.\n */\nhterm.ScrollPort.prototype.setUserCssUrl = function(url) {\n  if (url) {\n    this.userCssLink_.setAttribute('href', url);\n\n    if (!this.userCssLink_.parentNode)\n      this.document_.head.appendChild(this.userCssLink_);\n  } else if (this.userCssLink_.parentNode) {\n    this.document_.head.removeChild(this.userCssLink_);\n  }\n};\n\nhterm.ScrollPort.prototype.setUserCssText = function(text) {\n  this.userCssText_.textContent = text;\n};\n\nhterm.ScrollPort.prototype.focus = function() {\n  this.iframe_.focus();\n  this.screen_.focus();\n};\n\nhterm.ScrollPort.prototype.getForegroundColor = function() {\n  return this.screen_.style.color;\n};\n\nhterm.ScrollPort.prototype.setForegroundColor = function(color) {\n  this.screen_.style.color = color;\n};\n\nhterm.ScrollPort.prototype.getBackgroundColor = function() {\n  return this.screen_.style.backgroundColor;\n};\n\nhterm.ScrollPort.prototype.setBackgroundColor = function(color) {\n  this.screen_.style.backgroundColor = color;\n};\n\nhterm.ScrollPort.prototype.setBackgroundImage = function(image) {\n  this.screen_.style.backgroundImage = image;\n};\n\nhterm.ScrollPort.prototype.setBackgroundSize = function(size) {\n  this.screen_.style.backgroundSize = size;\n};\n\nhterm.ScrollPort.prototype.setBackgroundPosition = function(position) {\n  this.screen_.style.backgroundPosition = position;\n};\n\nhterm.ScrollPort.prototype.setCtrlVPaste = function(ctrlVPaste) {\n  this.ctrlVPaste = ctrlVPaste;\n};\n\n/**\n * Get the usable size of the scrollport screen.\n *\n * The width will not include the scrollbar width.\n */\nhterm.ScrollPort.prototype.getScreenSize = function() {\n  var size = hterm.getClientSize(this.screen_);\n  return {\n    height: size.height,\n    width: size.width - this.currentScrollbarWidthPx\n  };\n};\n\n/**\n * Get the usable width of the scrollport screen.\n *\n * This the widget width minus scrollbar width.\n */\nhterm.ScrollPort.prototype.getScreenWidth = function() {\n  return this.getScreenSize().width ;\n};\n\n/**\n * Get the usable height of the scrollport screen.\n */\nhterm.ScrollPort.prototype.getScreenHeight = function() {\n  return this.getScreenSize().height;\n};\n\n/**\n * Return the document that holds the visible rows of this hterm.ScrollPort.\n */\nhterm.ScrollPort.prototype.getDocument = function() {\n  return this.document_;\n};\n\n/**\n * Returns the x-screen element that holds the rows of this hterm.ScrollPort.\n */\nhterm.ScrollPort.prototype.getScreenNode = function() {\n  return this.screen_;\n};\n\n/**\n * Clear out any cached rowNodes.\n */\nhterm.ScrollPort.prototype.resetCache = function() {\n  this.currentRowNodeCache_ = null;\n  this.previousRowNodeCache_ = {};\n};\n\n/**\n * Change the current rowProvider.\n *\n * This will clear the row cache and cause a redraw.\n *\n * @param {Object} rowProvider An object capable of providing the rows\n *     in this hterm.ScrollPort.\n */\nhterm.ScrollPort.prototype.setRowProvider = function(rowProvider) {\n  this.resetCache();\n  this.rowProvider_ = rowProvider;\n  this.scheduleRedraw();\n};\n\n/**\n * Inform the ScrollPort that the root DOM nodes for some or all of the visible\n * rows are no longer valid.\n *\n * Specifically, this should be called if this.rowProvider_.getRowNode() now\n * returns an entirely different node than it did before.  It does not\n * need to be called if the content of a row node is the only thing that\n * changed.\n *\n * This skips some of the overhead of a full redraw, but should not be used\n * in cases where the scrollport has been scrolled, or when the row count has\n * changed.\n */\nhterm.ScrollPort.prototype.invalidate = function() {\n  var node = this.topFold_.nextSibling;\n  while (node != this.bottomFold_) {\n    var nextSibling = node.nextSibling;\n    node.parentElement.removeChild(node);\n    node = nextSibling;\n  }\n\n  this.previousRowNodeCache_ = null;\n  var topRowIndex = this.getTopRowIndex();\n  var bottomRowIndex = this.getBottomRowIndex(topRowIndex);\n\n  this.drawVisibleRows_(topRowIndex, bottomRowIndex);\n};\n\nhterm.ScrollPort.prototype.scheduleInvalidate = function() {\n  if (this.timeouts_.invalidate)\n    return;\n\n  var self = this;\n  this.timeouts_.invalidate = setTimeout(function () {\n      delete self.timeouts_.invalidate;\n      self.invalidate();\n    }, 0);\n};\n\n/**\n * Set the font size of the ScrollPort.\n */\nhterm.ScrollPort.prototype.setFontSize = function(px) {\n  this.screen_.style.fontSize = px + 'px';\n  this.syncCharacterSize();\n};\n\n/**\n * Return the current font size of the ScrollPort.\n */\nhterm.ScrollPort.prototype.getFontSize = function() {\n  return parseInt(this.screen_.style.fontSize);\n};\n\n/**\n * Measure the size of a single character in pixels.\n *\n * @param {string} opt_weight The font weight to measure, or 'normal' if\n *     omitted.\n * @return {hterm.Size} A new hterm.Size object.\n */\nhterm.ScrollPort.prototype.measureCharacterSize = function(opt_weight) {\n  // Number of lines used to average the height of a single character.\n  var numberOfLines = 100;\n  // Number of chars per line used to average the width of a single character.\n  var lineLength = 100;\n\n  if (!this.ruler_) {\n    this.ruler_ = this.document_.createElement('div');\n    this.ruler_.id = 'hterm:ruler-character-size';\n    this.ruler_.style.cssText = (\n        'position: absolute;' +\n        'top: 0;' +\n        'left: 0;' +\n        'visibility: hidden;' +\n        'height: auto !important;' +\n        'width: auto !important;');\n\n    // We need to put the text in a span to make the size calculation\n    // work properly in Firefox\n    this.rulerSpan_ = this.document_.createElement('span');\n    this.rulerSpan_.id = 'hterm:ruler-span-workaround';\n    this.rulerSpan_.innerHTML =\n        ('X'.repeat(lineLength) + '\\r').repeat(numberOfLines);\n    this.ruler_.appendChild(this.rulerSpan_);\n\n    this.rulerBaseline_ = this.document_.createElement('span');\n    this.rulerSpan_.id = 'hterm:ruler-baseline';\n    // We want to collapse it on the baseline\n    this.rulerBaseline_.style.fontSize = '0px';\n    this.rulerBaseline_.textContent = 'X';\n  }\n\n  this.rulerSpan_.style.fontWeight = opt_weight || '';\n\n  this.rowNodes_.appendChild(this.ruler_);\n  var rulerSize = hterm.getClientSize(this.rulerSpan_);\n\n  var size = new hterm.Size(rulerSize.width / lineLength,\n                            rulerSize.height / numberOfLines);\n\n  this.ruler_.appendChild(this.rulerBaseline_);\n  size.baseline = this.rulerBaseline_.offsetTop;\n  this.ruler_.removeChild(this.rulerBaseline_);\n\n  this.rowNodes_.removeChild(this.ruler_);\n\n  this.div_.ownerDocument.body.appendChild(this.svg_);\n  size.zoomFactor = this.svg_.currentScale;\n  this.div_.ownerDocument.body.removeChild(this.svg_);\n\n  return size;\n};\n\n/**\n * Synchronize the character size.\n *\n * This will re-measure the current character size and adjust the height\n * of an x-row to match.\n */\nhterm.ScrollPort.prototype.syncCharacterSize = function() {\n  this.characterSize = this.measureCharacterSize();\n\n  this.resize();\n};\n\n/**\n * Reset dimensions and visible row count to account for a change in the\n * dimensions of the 'x-screen'.\n */\nhterm.ScrollPort.prototype.resize = function() {\n  this.currentScrollbarWidthPx = hterm.getClientWidth(this.screen_) -\n    this.screen_.clientWidth;\n\n  this.syncScrollHeight();\n  this.syncRowNodesDimensions_();\n\n  var self = this;\n  this.publish(\n      'resize', { scrollPort: this },\n      function() {\n        self.scrollRowToBottom(self.rowProvider_.getRowCount());\n        self.scheduleRedraw();\n      });\n};\n\n/**\n * Set the position and size of the row nodes element.\n */\nhterm.ScrollPort.prototype.syncRowNodesDimensions_ = function() {\n  var screenSize = this.getScreenSize();\n\n  this.lastScreenWidth_ = screenSize.width;\n  this.lastScreenHeight_ = screenSize.height;\n\n  // We don't want to show a partial row because it would be distracting\n  // in a terminal, so we floor any fractional row count.\n  this.visibleRowCount = lib.f.smartFloorDivide(\n      screenSize.height, this.characterSize.height);\n\n  // Then compute the height of our integral number of rows.\n  var visibleRowsHeight = this.visibleRowCount * this.characterSize.height;\n\n  // Then the difference between the screen height and total row height needs to\n  // be made up for as top margin.  We need to record this value so it\n  // can be used later to determine the topRowIndex.\n  this.visibleRowTopMargin = 0;\n  this.visibleRowBottomMargin = screenSize.height - visibleRowsHeight;\n\n  this.topFold_.style.marginBottom = this.visibleRowTopMargin + 'px';\n\n\n  var topFoldOffset = 0;\n  var node = this.topFold_.previousSibling;\n  while (node) {\n    topFoldOffset += hterm.getClientHeight(node);\n    node = node.previousSibling;\n  }\n\n  // Set the dimensions of the visible rows container.\n  this.rowNodes_.style.width = screenSize.width + 'px';\n  this.rowNodes_.style.height = visibleRowsHeight + topFoldOffset + 'px';\n  this.rowNodes_.style.left = this.screen_.offsetLeft + 'px';\n  this.rowNodes_.style.top = this.screen_.offsetTop - topFoldOffset + 'px';\n};\n\nhterm.ScrollPort.prototype.syncScrollHeight = function() {\n  // Resize the scroll area to appear as though it contains every row.\n  this.lastRowCount_ = this.rowProvider_.getRowCount();\n  this.scrollArea_.style.height = (this.characterSize.height *\n                                   this.lastRowCount_ +\n                                   this.visibleRowTopMargin +\n                                   this.visibleRowBottomMargin +\n                                   'px');\n};\n\n/**\n * Schedule a redraw to happen asynchronously.\n *\n * If this method is called multiple times before the redraw has a chance to\n * run only one redraw occurs.\n */\nhterm.ScrollPort.prototype.scheduleRedraw = function() {\n  if (this.timeouts_.redraw)\n    return;\n\n  var self = this;\n  this.timeouts_.redraw = setTimeout(function () {\n      delete self.timeouts_.redraw;\n      self.redraw_();\n    }, 0);\n};\n\n/**\n * Redraw the current hterm.ScrollPort based on the current scrollbar position.\n *\n * When redrawing, we are careful to make sure that the rows that start or end\n * the current selection are not touched in any way.  Doing so would disturb\n * the selection, and cleaning up after that would cause flashes at best and\n * incorrect selection at worst.  Instead, we modify the DOM around these nodes.\n * We even stash the selection start/end outside of the visible area if\n * they are not supposed to be visible in the hterm.ScrollPort.\n */\nhterm.ScrollPort.prototype.redraw_ = function() {\n  this.resetSelectBags_();\n  this.selection.sync();\n\n  this.syncScrollHeight();\n\n  this.currentRowNodeCache_ = {};\n\n  var topRowIndex = this.getTopRowIndex();\n  var bottomRowIndex = this.getBottomRowIndex(topRowIndex);\n\n  this.drawTopFold_(topRowIndex);\n  this.drawBottomFold_(bottomRowIndex);\n  this.drawVisibleRows_(topRowIndex, bottomRowIndex);\n\n  this.syncRowNodesDimensions_();\n\n  this.previousRowNodeCache_ = this.currentRowNodeCache_;\n  this.currentRowNodeCache_ = null;\n\n  this.isScrolledEnd = (\n    this.getTopRowIndex() + this.visibleRowCount >= this.lastRowCount_);\n};\n\n/**\n * Ensure that the nodes above the top fold are as they should be.\n *\n * If the selection start and/or end nodes are above the visible range\n * of this hterm.ScrollPort then the dom will be adjusted so that they appear\n * before the top fold (the first x-fold element, aka this.topFold).\n *\n * If not, the top fold will be the first element.\n *\n * It is critical that this method does not move the selection nodes.  Doing\n * so would clear the current selection.  Instead, the rest of the DOM is\n * adjusted around them.\n */\nhterm.ScrollPort.prototype.drawTopFold_ = function(topRowIndex) {\n  if (!this.selection.startRow ||\n      this.selection.startRow.rowIndex >= topRowIndex) {\n    // Selection is entirely below the top fold, just make sure the fold is\n    // the first child.\n    if (this.rowNodes_.firstChild != this.topFold_)\n      this.rowNodes_.insertBefore(this.topFold_, this.rowNodes_.firstChild);\n\n    return;\n  }\n\n  if (!this.selection.isMultiline ||\n      this.selection.endRow.rowIndex >= topRowIndex) {\n    // Only the startRow is above the fold.\n    if (this.selection.startRow.nextSibling != this.topFold_)\n      this.rowNodes_.insertBefore(this.topFold_,\n                                  this.selection.startRow.nextSibling);\n  } else {\n    // Both rows are above the fold.\n    if (this.selection.endRow.nextSibling != this.topFold_) {\n      this.rowNodes_.insertBefore(this.topFold_,\n                                  this.selection.endRow.nextSibling);\n    }\n\n    // Trim any intermediate lines.\n    while (this.selection.startRow.nextSibling !=\n           this.selection.endRow) {\n      this.rowNodes_.removeChild(this.selection.startRow.nextSibling);\n    }\n  }\n\n  while(this.rowNodes_.firstChild != this.selection.startRow) {\n    this.rowNodes_.removeChild(this.rowNodes_.firstChild);\n  }\n};\n\n/**\n * Ensure that the nodes below the bottom fold are as they should be.\n *\n * If the selection start and/or end nodes are below the visible range\n * of this hterm.ScrollPort then the dom will be adjusted so that they appear\n * after the bottom fold (the second x-fold element, aka this.bottomFold).\n *\n * If not, the bottom fold will be the last element.\n *\n * It is critical that this method does not move the selection nodes.  Doing\n * so would clear the current selection.  Instead, the rest of the DOM is\n * adjusted around them.\n */\nhterm.ScrollPort.prototype.drawBottomFold_ = function(bottomRowIndex) {\n  if (!this.selection.endRow ||\n      this.selection.endRow.rowIndex <= bottomRowIndex) {\n    // Selection is entirely above the bottom fold, just make sure the fold is\n    // the last child.\n    if (this.rowNodes_.lastChild != this.bottomFold_)\n      this.rowNodes_.appendChild(this.bottomFold_);\n\n    return;\n  }\n\n  if (!this.selection.isMultiline ||\n      this.selection.startRow.rowIndex <= bottomRowIndex) {\n    // Only the endRow is below the fold.\n    if (this.bottomFold_.nextSibling != this.selection.endRow)\n      this.rowNodes_.insertBefore(this.bottomFold_,\n                                  this.selection.endRow);\n  } else {\n    // Both rows are below the fold.\n    if (this.bottomFold_.nextSibling != this.selection.startRow) {\n      this.rowNodes_.insertBefore(this.bottomFold_,\n                                  this.selection.startRow);\n    }\n\n    // Trim any intermediate lines.\n    while (this.selection.startRow.nextSibling !=\n           this.selection.endRow) {\n      this.rowNodes_.removeChild(this.selection.startRow.nextSibling);\n    }\n  }\n\n  while(this.rowNodes_.lastChild != this.selection.endRow) {\n    this.rowNodes_.removeChild(this.rowNodes_.lastChild);\n  }\n};\n\n/**\n * Ensure that the rows between the top and bottom folds are as they should be.\n *\n * This method assumes that drawTopFold_() and drawBottomFold_() have already\n * run, and that they have left any visible selection row (selection start\n * or selection end) between the folds.\n *\n * It recycles DOM nodes from the previous redraw where possible, but will ask\n * the rowSource to make new nodes if necessary.\n *\n * It is critical that this method does not move the selection nodes.  Doing\n * so would clear the current selection.  Instead, the rest of the DOM is\n * adjusted around them.\n */\nhterm.ScrollPort.prototype.drawVisibleRows_ = function(\n    topRowIndex, bottomRowIndex) {\n  var self = this;\n\n  // Keep removing nodes, starting with currentNode, until we encounter\n  // targetNode.  Throws on failure.\n  function removeUntilNode(currentNode, targetNode) {\n    while (currentNode != targetNode) {\n      if (!currentNode)\n        throw 'Did not encounter target node';\n\n      if (currentNode == self.bottomFold_)\n        throw 'Encountered bottom fold before target node';\n\n      var deadNode = currentNode;\n      currentNode = currentNode.nextSibling;\n      deadNode.parentNode.removeChild(deadNode);\n    }\n  }\n\n  // Shorthand for things we're going to use a lot.\n  var selectionStartRow = this.selection.startRow;\n  var selectionEndRow = this.selection.endRow;\n  var bottomFold = this.bottomFold_;\n\n  // The node we're examining during the current iteration.\n  var node = this.topFold_.nextSibling;\n\n  var targetDrawCount = Math.min(this.visibleRowCount,\n                                 this.rowProvider_.getRowCount());\n\n  for (var drawCount = 0; drawCount < targetDrawCount; drawCount++) {\n    var rowIndex = topRowIndex + drawCount;\n\n    if (node == bottomFold) {\n      // We've hit the bottom fold, we need to insert a new row.\n      var newNode = this.fetchRowNode_(rowIndex);\n      if (!newNode) {\n        console.log(\"Couldn't fetch row index: \" + rowIndex);\n        break;\n      }\n\n      this.rowNodes_.insertBefore(newNode, node);\n      continue;\n    }\n\n    if (node.rowIndex == rowIndex) {\n      // This node is in the right place, move along.\n      node = node.nextSibling;\n      continue;\n    }\n\n    if (selectionStartRow && selectionStartRow.rowIndex == rowIndex) {\n      // The selection start row is supposed to be here, remove nodes until\n      // we find it.\n      removeUntilNode(node, selectionStartRow);\n      node = selectionStartRow.nextSibling;\n      continue;\n    }\n\n    if (selectionEndRow && selectionEndRow.rowIndex == rowIndex) {\n      // The selection end row is supposed to be here, remove nodes until\n      // we find it.\n      removeUntilNode(node, selectionEndRow);\n      node = selectionEndRow.nextSibling;\n      continue;\n    }\n\n    if (node == selectionStartRow || node == selectionEndRow) {\n      // We encountered the start/end of the selection, but we don't want it\n      // yet.  Insert a new row instead.\n      var newNode = this.fetchRowNode_(rowIndex);\n      if (!newNode) {\n        console.log(\"Couldn't fetch row index: \" + rowIndex);\n        break;\n      }\n\n      this.rowNodes_.insertBefore(newNode, node);\n      continue;\n    }\n\n    // There is nothing special about this node, but it's in our way.  Replace\n    // it with the node that should be here.\n    var newNode = this.fetchRowNode_(rowIndex);\n    if (!newNode) {\n      console.log(\"Couldn't fetch row index: \" + rowIndex);\n      break;\n    }\n\n    if (node == newNode) {\n      node = node.nextSibling;\n      continue;\n    }\n\n    this.rowNodes_.insertBefore(newNode, node);\n    if (!newNode.nextSibling)\n      debugger;\n    this.rowNodes_.removeChild(node);\n    node = newNode.nextSibling;\n  }\n\n  if (node != this.bottomFold_)\n    removeUntilNode(node, bottomFold);\n};\n\n/**\n * Empty out both select bags and remove them from the document.\n *\n * These nodes hold the text between the start and end of the selection\n * when that text is otherwise off screen.  They are filled out in the\n * onCopy_ event.\n */\nhterm.ScrollPort.prototype.resetSelectBags_ = function() {\n  if (this.topSelectBag_.parentNode) {\n    this.topSelectBag_.textContent = '';\n    this.topSelectBag_.parentNode.removeChild(this.topSelectBag_);\n  }\n\n  if (this.bottomSelectBag_.parentNode) {\n    this.bottomSelectBag_.textContent = '';\n    this.bottomSelectBag_.parentNode.removeChild(this.bottomSelectBag_);\n  }\n};\n\n/**\n * Place a row node in the cache of visible nodes.\n *\n * This method may only be used during a redraw_.\n */\nhterm.ScrollPort.prototype.cacheRowNode_ = function(rowNode) {\n  this.currentRowNodeCache_[rowNode.rowIndex] = rowNode;\n};\n\n/**\n * Fetch the row node for the given index.\n *\n * This will return a node from the cache if possible, or will request one\n * from the RowProvider if not.\n *\n * If a redraw_ is in progress the row will be added to the current cache.\n */\nhterm.ScrollPort.prototype.fetchRowNode_ = function(rowIndex) {\n  var node;\n\n  if (this.previousRowNodeCache_ && rowIndex in this.previousRowNodeCache_) {\n    node = this.previousRowNodeCache_[rowIndex];\n  } else {\n    node = this.rowProvider_.getRowNode(rowIndex);\n  }\n\n  if (this.currentRowNodeCache_)\n    this.cacheRowNode_(node);\n\n  return node;\n};\n\n/**\n * Select all rows in the viewport.\n */\nhterm.ScrollPort.prototype.selectAll = function() {\n  var firstRow;\n\n  if (this.topFold_.nextSibling.rowIndex != 0) {\n    while (this.topFold_.previousSibling) {\n      this.rowNodes_.removeChild(this.topFold_.previousSibling);\n    }\n\n    firstRow = this.fetchRowNode_(0);\n    this.rowNodes_.insertBefore(firstRow, this.topFold_);\n    this.syncRowNodesDimensions_();\n  } else {\n    firstRow = this.topFold_.nextSibling;\n  }\n\n  var lastRowIndex = this.rowProvider_.getRowCount() - 1;\n  var lastRow;\n\n  if (this.bottomFold_.previousSibling.rowIndex != lastRowIndex) {\n    while (this.bottomFold_.nextSibling) {\n      this.rowNodes_.removeChild(this.bottomFold_.nextSibling);\n    }\n\n    lastRow = this.fetchRowNode_(lastRowIndex);\n    this.rowNodes_.appendChild(lastRow);\n  } else {\n    lastRow = this.bottomFold_.previousSibling.rowIndex;\n  }\n\n  var selection = this.document_.getSelection();\n  selection.collapse(firstRow, 0);\n  selection.extend(lastRow, lastRow.childNodes.length);\n\n  this.selection.sync();\n};\n\n/**\n * Return the maximum scroll position in pixels.\n */\nhterm.ScrollPort.prototype.getScrollMax_ = function(e) {\n  return (hterm.getClientHeight(this.scrollArea_) +\n          this.visibleRowTopMargin + this.visibleRowBottomMargin -\n          hterm.getClientHeight(this.screen_));\n};\n\n/**\n * Scroll the given rowIndex to the top of the hterm.ScrollPort.\n *\n * @param {integer} rowIndex Index of the target row.\n */\nhterm.ScrollPort.prototype.scrollRowToTop = function(rowIndex) {\n  this.syncScrollHeight();\n\n  this.isScrolledEnd = (\n    rowIndex + this.visibleRowCount >= this.lastRowCount_);\n\n  var scrollTop = rowIndex * this.characterSize.height +\n      this.visibleRowTopMargin;\n\n  var scrollMax = this.getScrollMax_();\n  if (scrollTop > scrollMax)\n    scrollTop = scrollMax;\n\n  if (this.screen_.scrollTop == scrollTop)\n    return;\n\n  this.screen_.scrollTop = scrollTop;\n  this.scheduleRedraw();\n};\n\n/**\n * Scroll the given rowIndex to the bottom of the hterm.ScrollPort.\n *\n * @param {integer} rowIndex Index of the target row.\n */\nhterm.ScrollPort.prototype.scrollRowToBottom = function(rowIndex) {\n  this.syncScrollHeight();\n\n  this.isScrolledEnd = (\n    rowIndex + this.visibleRowCount >= this.lastRowCount_);\n\n  var scrollTop = rowIndex * this.characterSize.height +\n      this.visibleRowTopMargin + this.visibleRowBottomMargin;\n  scrollTop -= this.visibleRowCount * this.characterSize.height;\n\n  if (scrollTop < 0)\n    scrollTop = 0;\n\n  if (this.screen_.scrollTop == scrollTop)\n    return;\n\n  this.screen_.scrollTop = scrollTop;\n};\n\n/**\n * Return the row index of the first visible row.\n *\n * This is based on the scroll position.  If a redraw_ is in progress this\n * returns the row that *should* be at the top.\n */\nhterm.ScrollPort.prototype.getTopRowIndex = function() {\n  return Math.round(this.screen_.scrollTop / this.characterSize.height);\n};\n\n/**\n * Return the row index of the last visible row.\n *\n * This is based on the scroll position.  If a redraw_ is in progress this\n * returns the row that *should* be at the bottom.\n */\nhterm.ScrollPort.prototype.getBottomRowIndex = function(topRowIndex) {\n  return topRowIndex + this.visibleRowCount - 1;\n};\n\n/**\n * Handler for scroll events.\n *\n * The onScroll event fires when scrollArea's scrollTop property changes.  This\n * may be due to the user manually move the scrollbar, or a programmatic change.\n */\nhterm.ScrollPort.prototype.onScroll_ = function(e) {\n  var screenSize = this.getScreenSize();\n  if (screenSize.width != this.lastScreenWidth_ ||\n      screenSize.height != this.lastScreenHeight_) {\n    // This event may also fire during a resize (but before the resize event!).\n    // This happens when the browser moves the scrollbar as part of the resize.\n    // In these cases, we want to ignore the scroll event and let onResize\n    // handle things.  If we don't, then we end up scrolling to the wrong\n    // position after a resize.\n    this.resize();\n    return;\n  }\n\n  this.redraw_();\n  this.publish('scroll', { scrollPort: this });\n};\n\n/**\n * Clients can override this if they want to hear scrollwheel events.\n *\n * Clients may call event.preventDefault() if they want to keep the scrollport\n * from also handling the events.\n */\nhterm.ScrollPort.prototype.onScrollWheel = function(e) {};\n\n/**\n * Handler for scroll-wheel events.\n *\n * The onScrollWheel event fires when the user moves their scrollwheel over this\n * hterm.ScrollPort.  Because the frontmost element in the hterm.ScrollPort is\n * a fixed position DIV, the scroll wheel does nothing by default.  Instead, we\n * have to handle it manually.\n */\nhterm.ScrollPort.prototype.onScrollWheel_ = function(e) {\n  this.onScrollWheel(e);\n\n  if (e.defaultPrevented)\n    return;\n\n  // Figure out how far this event wants us to scroll.\n  var delta = this.scrollWheelDelta(e);\n\n  var top = this.screen_.scrollTop - delta;\n  if (top < 0)\n    top = 0;\n\n  var scrollMax = this.getScrollMax_();\n  if (top > scrollMax)\n    top = scrollMax;\n\n  if (top != this.screen_.scrollTop) {\n    // Moving scrollTop causes a scroll event, which triggers the redraw.\n    this.screen_.scrollTop = top;\n\n    // Only preventDefault when we've actually scrolled.  If there's nothing\n    // to scroll we want to pass the event through so Chrome can detect the\n    // overscroll.\n    e.preventDefault();\n  }\n};\n\n/**\n * Calculate how far a wheel event should scroll.\n *\n * @param {WheelEvent} e The mouse wheel event to process.\n * @return {number} How far (in pixels) to scroll.\n */\nhterm.ScrollPort.prototype.scrollWheelDelta = function(e) {\n  var delta;\n\n  switch (e.deltaMode) {\n    case WheelEvent.DOM_DELTA_PIXEL:\n      delta = e.deltaY * this.scrollWheelMultiplier_;\n      break;\n    case WheelEvent.DOM_DELTA_LINE:\n      delta = e.deltaY * this.characterSize.height;\n      break;\n    case WheelEvent.DOM_DELTA_PAGE:\n      delta = e.deltaY * this.characterSize.height * this.screen_.getHeight();\n      break;\n  }\n\n  // The sign is inverted from what we would expect.\n  return delta * -1;\n};\n\n\n/**\n * Clients can override this if they want to hear touch events.\n *\n * Clients may call event.preventDefault() if they want to keep the scrollport\n * from also handling the events.\n */\nhterm.ScrollPort.prototype.onTouch = function(e) {};\n\n/**\n * Handler for touch events.\n */\nhterm.ScrollPort.prototype.onTouch_ = function(e) {\n  this.onTouch(e);\n\n  if (e.defaultPrevented)\n    return;\n\n  // Extract the fields from the Touch event that we need.  If we saved the\n  // event directly, it has references to other objects (like x-row) that\n  // might stick around for a long time.  This way we only have small objects\n  // in our lastTouch_ state.\n  var scrubTouch = function(t) {\n    return {\n      id: t.identifier,\n      y: t.clientY,\n      x: t.clientX,\n    };\n  };\n\n  var i, touch;\n  switch (e.type) {\n    case 'touchstart':\n      // Save the current set of touches.\n      for (i = 0; i < e.changedTouches.length; ++i) {\n        touch = scrubTouch(e.changedTouches[i]);\n        this.lastTouch_[touch.id] = touch;\n      }\n      break;\n\n    case 'touchcancel':\n    case 'touchend':\n      // Throw away existing touches that we're finished with.\n      for (i = 0; i < e.changedTouches.length; ++i)\n        delete this.lastTouch_[e.changedTouches[i].identifier];\n      break;\n\n    case 'touchmove':\n      // Walk all of the touches in this one event and merge all of their\n      // changes into one delta.  This lets multiple fingers scroll faster.\n      var delta = 0;\n      for (i = 0; i < e.changedTouches.length; ++i) {\n        touch = scrubTouch(e.changedTouches[i]);\n        delta += (this.lastTouch_[touch.id].y - touch.y);\n        this.lastTouch_[touch.id] = touch;\n      }\n\n      // Invert to match the touchscreen scrolling direction of browser windows.\n      delta *= -1;\n\n      var top = this.screen_.scrollTop - delta;\n      if (top < 0)\n        top = 0;\n\n      var scrollMax = this.getScrollMax_();\n      if (top > scrollMax)\n        top = scrollMax;\n\n      if (top != this.screen_.scrollTop) {\n        // Moving scrollTop causes a scroll event, which triggers the redraw.\n        this.screen_.scrollTop = top;\n      }\n      break;\n  }\n\n  // To disable gestures or anything else interfering with our scrolling.\n  e.preventDefault();\n};\n\n/**\n * Handler for resize events.\n *\n * The browser will resize us such that the top row stays at the top, but we\n * prefer to the bottom row to stay at the bottom.\n */\nhterm.ScrollPort.prototype.onResize_ = function(e) {\n  // Re-measure, since onResize also happens for browser zoom changes.\n  this.syncCharacterSize();\n  this.resize();\n};\n\n/**\n * Clients can override this if they want to hear copy events.\n *\n * Clients may call event.preventDefault() if they want to keep the scrollport\n * from also handling the events.\n */\nhterm.ScrollPort.prototype.onCopy = function(e) { };\n\n/**\n * Handler for copy-to-clipboard events.\n *\n * If some or all of the selected rows are off screen we may need to fill in\n * the rows between selection start and selection end.  This handler determines\n * if we're missing some of the selected text, and if so populates one or both\n * of the \"select bags\" with the missing text.\n */\nhterm.ScrollPort.prototype.onCopy_ = function(e) {\n  this.onCopy(e);\n\n  if (e.defaultPrevented)\n    return;\n\n  this.resetSelectBags_();\n  this.selection.sync();\n\n  if (!this.selection.startRow ||\n      this.selection.endRow.rowIndex - this.selection.startRow.rowIndex < 2) {\n    return;\n  }\n\n  var topRowIndex = this.getTopRowIndex();\n  var bottomRowIndex = this.getBottomRowIndex(topRowIndex);\n\n  if (this.selection.startRow.rowIndex < topRowIndex) {\n    // Start of selection is above the top fold.\n    var endBackfillIndex;\n\n    if (this.selection.endRow.rowIndex < topRowIndex) {\n      // Entire selection is above the top fold.\n      endBackfillIndex = this.selection.endRow.rowIndex;\n    } else {\n      // Selection extends below the top fold.\n      endBackfillIndex = this.topFold_.nextSibling.rowIndex;\n    }\n\n    this.topSelectBag_.textContent = this.rowProvider_.getRowsText(\n        this.selection.startRow.rowIndex + 1, endBackfillIndex);\n    this.rowNodes_.insertBefore(this.topSelectBag_,\n                                this.selection.startRow.nextSibling);\n    this.syncRowNodesDimensions_();\n  }\n\n  if (this.selection.endRow.rowIndex > bottomRowIndex) {\n    // Selection ends below the bottom fold.\n    var startBackfillIndex;\n\n    if (this.selection.startRow.rowIndex > bottomRowIndex) {\n      // Entire selection is below the bottom fold.\n      startBackfillIndex = this.selection.startRow.rowIndex + 1;\n    } else {\n      // Selection starts above the bottom fold.\n      startBackfillIndex = this.bottomFold_.previousSibling.rowIndex + 1;\n    }\n\n    this.bottomSelectBag_.textContent = this.rowProvider_.getRowsText(\n        startBackfillIndex, this.selection.endRow.rowIndex);\n    this.rowNodes_.insertBefore(this.bottomSelectBag_, this.selection.endRow);\n  }\n};\n\n/**\n * Focuses on the paste target on a ctrl-v keydown event, as in\n * FF a content editable element must be focused before the paste event.\n */\nhterm.ScrollPort.prototype.onBodyKeyDown_ = function(e) {\n  if (!this.ctrlVPaste)\n    return;\n\n  var key = String.fromCharCode(e.which);\n  var lowerKey = key.toLowerCase();\n  if ((e.ctrlKey || e.metaKey) && lowerKey == \"v\")\n    this.pasteTarget_.focus();\n};\n\n/**\n * Handle a paste event on the the ScrollPort's screen element.\n */\nhterm.ScrollPort.prototype.onPaste_ = function(e) {\n  this.pasteTarget_.focus();\n\n  var self = this;\n  setTimeout(function() {\n      self.publish('paste', { text: self.pasteTarget_.value });\n      self.pasteTarget_.value = '';\n      self.screen_.focus();\n    }, 0);\n};\n\n/**\n * Handles a textInput event on the paste target. Stops this from\n * propagating as we want this to be handled in the onPaste_ method.\n */\nhterm.ScrollPort.prototype.handlePasteTargetTextInput_ = function(e) {\n  e.stopPropagation();\n};\n\n/**\n * Set the vertical scrollbar mode of the ScrollPort.\n */\nhterm.ScrollPort.prototype.setScrollbarVisible = function(state) {\n  this.screen_.style.overflowY = state ? 'scroll' : 'hidden';\n};\n\n/**\n * Set scroll wheel multiplier. This alters how much the screen scrolls on\n * mouse wheel events.\n */\nhterm.ScrollPort.prototype.setScrollWheelMoveMultipler = function(multiplier) {\n  this.scrollWheelMultiplier_ = multiplier;\n};\n// SOURCE FILE: hterm/js/hterm_terminal.js\n// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\nlib.rtdep('lib.colors', 'lib.PreferenceManager', 'lib.resource', 'lib.wc',\n          'lib.f', 'hterm.Keyboard', 'hterm.Options', 'hterm.PreferenceManager',\n          'hterm.Screen', 'hterm.ScrollPort', 'hterm.Size',\n          'hterm.TextAttributes', 'hterm.VT');\n\n/**\n * Constructor for the Terminal class.\n *\n * A Terminal pulls together the hterm.ScrollPort, hterm.Screen and hterm.VT100\n * classes to provide the complete terminal functionality.\n *\n * There are a number of lower-level Terminal methods that can be called\n * directly to manipulate the cursor, text, scroll region, and other terminal\n * attributes.  However, the primary method is interpret(), which parses VT\n * escape sequences and invokes the appropriate Terminal methods.\n *\n * This class was heavily influenced by Cory Maccarrone's Framebuffer class.\n *\n * TODO(rginda): Eventually we're going to need to support characters which are\n * displayed twice as wide as standard latin characters.  This is to support\n * CJK (and possibly other character sets).\n *\n * @param {string} opt_profileId Optional preference profile name.  If not\n *     provided, defaults to 'default'.\n */\nhterm.Terminal = function(opt_profileId) {\n  this.profileId_ = null;\n\n  // Two screen instances.\n  this.primaryScreen_ = new hterm.Screen();\n  this.alternateScreen_ = new hterm.Screen();\n\n  // The \"current\" screen.\n  this.screen_ = this.primaryScreen_;\n\n  // The local notion of the screen size.  ScreenBuffers also have a size which\n  // indicates their present size.  During size changes, the two may disagree.\n  // Also, the inactive screen's size is not altered until it is made the active\n  // screen.\n  this.screenSize = new hterm.Size(0, 0);\n\n  // The scroll port we'll be using to display the visible rows.\n  this.scrollPort_ = new hterm.ScrollPort(this);\n  this.scrollPort_.subscribe('resize', this.onResize_.bind(this));\n  this.scrollPort_.subscribe('scroll', this.onScroll_.bind(this));\n  this.scrollPort_.subscribe('paste', this.onPaste_.bind(this));\n  this.scrollPort_.onCopy = this.onCopy_.bind(this);\n\n  // The div that contains this terminal.\n  this.div_ = null;\n\n  // The document that contains the scrollPort.  Defaulted to the global\n  // document here so that the terminal is functional even if it hasn't been\n  // inserted into a document yet, but re-set in decorate().\n  this.document_ = window.document;\n\n  // The rows that have scrolled off screen and are no longer addressable.\n  this.scrollbackRows_ = [];\n\n  // Saved tab stops.\n  this.tabStops_ = [];\n\n  // Keep track of whether default tab stops have been erased; after a TBC\n  // clears all tab stops, defaults aren't restored on resize until a reset.\n  this.defaultTabStops = true;\n\n  // The VT's notion of the top and bottom rows.  Used during some VT\n  // cursor positioning and scrolling commands.\n  this.vtScrollTop_ = null;\n  this.vtScrollBottom_ = null;\n\n  // The DIV element for the visible cursor.\n  this.cursorNode_ = null;\n\n  // The current cursor shape of the terminal.\n  this.cursorShape_ = hterm.Terminal.cursorShape.BLOCK;\n\n  // The current color of the cursor.\n  this.cursorColor_ = null;\n\n  // Cursor blink on/off cycle in ms, overwritten by prefs once they're loaded.\n  this.cursorBlinkCycle_ = [100, 100];\n\n  // Pre-bound onCursorBlink_ handler, so we don't have to do this for each\n  // cursor on/off servicing.\n  this.myOnCursorBlink_ = this.onCursorBlink_.bind(this);\n\n  // These prefs are cached so we don't have to read from local storage with\n  // each output and keystroke.  They are initialized by the preference manager.\n  this.backgroundColor_ = null;\n  this.foregroundColor_ = null;\n  this.scrollOnOutput_ = null;\n  this.scrollOnKeystroke_ = null;\n  this.scrollWheelArrowKeys_ = null;\n\n  // True if we should override mouse event reporting to allow local selection.\n  this.defeatMouseReports_ = false;\n\n  // Terminal bell sound.\n  this.bellAudio_ = this.document_.createElement('audio');\n  this.bellAudio_.id = 'hterm:bell-audio';\n  this.bellAudio_.setAttribute('preload', 'auto');\n\n  // All terminal bell notifications that have been generated (not necessarily\n  // shown).\n  this.bellNotificationList_ = [];\n\n  // Whether we have permission to display notifications.\n  this.desktopNotificationBell_ = false;\n\n  // Cursor position and attributes saved with DECSC.\n  this.savedOptions_ = {};\n\n  // The current mode bits for the terminal.\n  this.options_ = new hterm.Options();\n\n  // Timeouts we might need to clear.\n  this.timeouts_ = {};\n\n  // The VT escape sequence interpreter.\n  this.vt = new hterm.VT(this);\n\n  // The keyboard handler.\n  this.keyboard = new hterm.Keyboard(this);\n\n  // General IO interface that can be given to third parties without exposing\n  // the entire terminal object.\n  this.io = new hterm.Terminal.IO(this);\n\n  // True if mouse-click-drag should scroll the terminal.\n  this.enableMouseDragScroll = true;\n\n  this.copyOnSelect = null;\n  this.mouseRightClickPaste = null;\n  this.mousePasteButton = null;\n\n  // Whether to use the default window copy behavior.\n  this.useDefaultWindowCopy = false;\n\n  this.clearSelectionAfterCopy = true;\n\n  this.realizeSize_(80, 24);\n  this.setDefaultTabStops();\n\n  this.setProfile(opt_profileId || 'default',\n                  function() { this.onTerminalReady(); }.bind(this));\n};\n\n/**\n * Possible cursor shapes.\n */\nhterm.Terminal.cursorShape = {\n  BLOCK: 'BLOCK',\n  BEAM: 'BEAM',\n  UNDERLINE: 'UNDERLINE'\n};\n\n/**\n * Clients should override this to be notified when the terminal is ready\n * for use.\n *\n * The terminal initialization is asynchronous, and shouldn't be used before\n * this method is called.\n */\nhterm.Terminal.prototype.onTerminalReady = function() { };\n\n/**\n * Default tab with of 8 to match xterm.\n */\nhterm.Terminal.prototype.tabWidth = 8;\n\n/**\n * Select a preference profile.\n *\n * This will load the terminal preferences for the given profile name and\n * associate subsequent preference changes with the new preference profile.\n *\n * @param {string} profileId The name of the preference profile.  Forward slash\n *     characters will be removed from the name.\n * @param {function} opt_callback Optional callback to invoke when the profile\n *     transition is complete.\n */\nhterm.Terminal.prototype.setProfile = function(profileId, opt_callback) {\n  this.profileId_ = profileId.replace(/\\//g, '');\n\n  var terminal = this;\n\n  if (this.prefs_)\n    this.prefs_.deactivate();\n\n  this.prefs_ = new hterm.PreferenceManager(this.profileId_);\n  this.prefs_.addObservers(null, {\n    'alt-gr-mode': function(v) {\n      if (v == null) {\n        if (navigator.language.toLowerCase() == 'en-us') {\n          v = 'none';\n        } else {\n          v = 'right-alt';\n        }\n      } else if (typeof v == 'string') {\n        v = v.toLowerCase();\n      } else {\n        v = 'none';\n      }\n\n      if (!/^(none|ctrl-alt|left-alt|right-alt)$/.test(v))\n        v = 'none';\n\n      terminal.keyboard.altGrMode = v;\n    },\n\n    'alt-backspace-is-meta-backspace': function(v) {\n      terminal.keyboard.altBackspaceIsMetaBackspace = v;\n    },\n\n    'alt-is-meta': function(v) {\n      terminal.keyboard.altIsMeta = v;\n    },\n\n    'alt-sends-what': function(v) {\n      if (!/^(escape|8-bit|browser-key)$/.test(v))\n        v = 'escape';\n\n      terminal.keyboard.altSendsWhat = v;\n    },\n\n    'audible-bell-sound': function(v) {\n      var ary = v.match(/^lib-resource:(\\S+)/);\n      if (ary) {\n        terminal.bellAudio_.setAttribute('src',\n                                         lib.resource.getDataUrl(ary[1]));\n      } else {\n        terminal.bellAudio_.setAttribute('src', v);\n      }\n    },\n\n    'desktop-notification-bell': function(v) {\n      if (v && Notification) {\n        terminal.desktopNotificationBell_ =\n            Notification.permission === 'granted';\n        if (!terminal.desktopNotificationBell_) {\n          // Note: We don't call Notification.requestPermission here because\n          // Chrome requires the call be the result of a user action (such as an\n          // onclick handler), and pref listeners are run asynchronously.\n          //\n          // A way of working around this would be to display a dialog in the\n          // terminal with a \"click-to-request-permission\" button.\n          console.warn('desktop-notification-bell is true but we do not have ' +\n                       'permission to display notifications.');\n        }\n      } else {\n        terminal.desktopNotificationBell_ = false;\n      }\n    },\n\n    'background-color': function(v) {\n      terminal.setBackgroundColor(v);\n    },\n\n    'background-image': function(v) {\n      terminal.scrollPort_.setBackgroundImage(v);\n    },\n\n    'background-size': function(v) {\n      terminal.scrollPort_.setBackgroundSize(v);\n    },\n\n    'background-position': function(v) {\n      terminal.scrollPort_.setBackgroundPosition(v);\n    },\n\n    'backspace-sends-backspace': function(v) {\n      terminal.keyboard.backspaceSendsBackspace = v;\n    },\n\n    'character-map-overrides': function(v) {\n      if (!(v == null || v instanceof Object)) {\n        console.warn('Preference character-map-modifications is not an ' +\n                     'object: ' + v);\n        return;\n      }\n\n      terminal.vt.characterMaps.reset();\n      terminal.vt.characterMaps.setOverrides(v);\n    },\n\n    'cursor-blink': function(v) {\n      terminal.setCursorBlink(!!v);\n    },\n\n    'cursor-blink-cycle': function(v) {\n        if (v instanceof Array &&\n            typeof v[0] == 'number' &&\n            typeof v[1] == 'number') {\n          terminal.cursorBlinkCycle_ = v;\n        } else if (typeof v == 'number') {\n          terminal.cursorBlinkCycle_ = [v, v];\n        } else {\n          // Fast blink indicates an error.\n          terminal.cursorBlinkCycle_ = [100, 100];\n        }\n    },\n\n    'cursor-color': function(v) {\n      terminal.setCursorColor(v);\n    },\n\n    'color-palette-overrides': function(v) {\n      if (!(v == null || v instanceof Object || v instanceof Array)) {\n        console.warn('Preference color-palette-overrides is not an array or ' +\n                     'object: ' + v);\n        return;\n      }\n\n      lib.colors.colorPalette = lib.colors.stockColorPalette.concat();\n\n      if (v) {\n        for (var key in v) {\n          var i = parseInt(key);\n          if (isNaN(i) || i < 0 || i > 255) {\n            console.log('Invalid value in palette: ' + key + ': ' + v[key]);\n            continue;\n          }\n\n          if (v[i]) {\n            var rgb = lib.colors.normalizeCSS(v[i]);\n            if (rgb)\n              lib.colors.colorPalette[i] = rgb;\n          }\n        }\n      }\n\n      terminal.primaryScreen_.textAttributes.resetColorPalette();\n      terminal.alternateScreen_.textAttributes.resetColorPalette();\n    },\n\n    'copy-on-select': function(v) {\n      terminal.copyOnSelect = !!v;\n    },\n\n    'use-default-window-copy': function(v) {\n      terminal.useDefaultWindowCopy = !!v;\n    },\n\n    'clear-selection-after-copy': function(v) {\n      terminal.clearSelectionAfterCopy = !!v;\n    },\n\n    'ctrl-plus-minus-zero-zoom': function(v) {\n      terminal.keyboard.ctrlPlusMinusZeroZoom = v;\n    },\n\n    'ctrl-c-copy': function(v) {\n      terminal.keyboard.ctrlCCopy = v;\n    },\n\n    'ctrl-v-paste': function(v) {\n      terminal.keyboard.ctrlVPaste = v;\n      terminal.scrollPort_.setCtrlVPaste(v);\n    },\n\n    'east-asian-ambiguous-as-two-column': function(v) {\n      lib.wc.regardCjkAmbiguous = v;\n    },\n\n    'enable-8-bit-control': function(v) {\n      terminal.vt.enable8BitControl = !!v;\n    },\n\n    'enable-bold': function(v) {\n      terminal.syncBoldSafeState();\n    },\n\n    'enable-bold-as-bright': function(v) {\n      terminal.primaryScreen_.textAttributes.enableBoldAsBright = !!v;\n      terminal.alternateScreen_.textAttributes.enableBoldAsBright = !!v;\n    },\n\n    'enable-blink': function(v) {\n      terminal.syncBlinkState();\n    },\n\n    'enable-clipboard-write': function(v) {\n      terminal.vt.enableClipboardWrite = !!v;\n    },\n\n    'enable-dec12': function(v) {\n      terminal.vt.enableDec12 = !!v;\n    },\n\n    'font-family': function(v) {\n      terminal.syncFontFamily();\n    },\n\n    'font-size': function(v) {\n      terminal.setFontSize(v);\n    },\n\n    'font-smoothing': function(v) {\n      terminal.syncFontFamily();\n    },\n\n    'foreground-color': function(v) {\n      terminal.setForegroundColor(v);\n    },\n\n    'home-keys-scroll': function(v) {\n      terminal.keyboard.homeKeysScroll = v;\n    },\n\n    'keybindings': function(v) {\n      terminal.keyboard.bindings.clear();\n\n      if (!v)\n        return;\n\n      if (!(v instanceof Object)) {\n        console.error('Error in keybindings preference: Expected object');\n        return;\n      }\n\n      try {\n        terminal.keyboard.bindings.addBindings(v);\n      } catch (ex) {\n        console.error('Error in keybindings preference: ' + ex);\n      }\n    },\n\n    'max-string-sequence': function(v) {\n      terminal.vt.maxStringSequence = v;\n    },\n\n    'media-keys-are-fkeys': function(v) {\n      terminal.keyboard.mediaKeysAreFKeys = v;\n    },\n\n    'meta-sends-escape': function(v) {\n      terminal.keyboard.metaSendsEscape = v;\n    },\n\n    'mouse-right-click-paste': function(v) {\n      terminal.mouseRightClickPaste = v;\n    },\n\n    'mouse-paste-button': function(v) {\n      terminal.syncMousePasteButton();\n    },\n\n    'page-keys-scroll': function(v) {\n      terminal.keyboard.pageKeysScroll = v;\n    },\n\n    'pass-alt-number': function(v) {\n      if (v == null) {\n        var osx = window.navigator.userAgent.match(/Mac OS X/);\n\n        // Let Alt-1..9 pass to the browser (to control tab switching) on\n        // non-OS X systems, or if hterm is not opened in an app window.\n        v = (!osx && hterm.windowType != 'popup');\n      }\n\n      terminal.passAltNumber = v;\n    },\n\n    'pass-ctrl-number': function(v) {\n      if (v == null) {\n        var osx = window.navigator.userAgent.match(/Mac OS X/);\n\n        // Let Ctrl-1..9 pass to the browser (to control tab switching) on\n        // non-OS X systems, or if hterm is not opened in an app window.\n        v = (!osx && hterm.windowType != 'popup');\n      }\n\n      terminal.passCtrlNumber = v;\n    },\n\n    'pass-meta-number': function(v) {\n      if (v == null) {\n        var osx = window.navigator.userAgent.match(/Mac OS X/);\n\n        // Let Meta-1..9 pass to the browser (to control tab switching) on\n        // OS X systems, or if hterm is not opened in an app window.\n        v = (osx && hterm.windowType != 'popup');\n      }\n\n      terminal.passMetaNumber = v;\n    },\n\n    'pass-meta-v': function(v) {\n      terminal.keyboard.passMetaV = v;\n    },\n\n    'receive-encoding': function(v) {\n       if (!(/^(utf-8|raw)$/).test(v)) {\n         console.warn('Invalid value for \"receive-encoding\": ' + v);\n         v = 'utf-8';\n       }\n\n       terminal.vt.characterEncoding = v;\n    },\n\n    'scroll-on-keystroke': function(v) {\n      terminal.scrollOnKeystroke_ = v;\n    },\n\n    'scroll-on-output': function(v) {\n      terminal.scrollOnOutput_ = v;\n    },\n\n    'scrollbar-visible': function(v) {\n      terminal.setScrollbarVisible(v);\n    },\n\n    'scroll-wheel-may-send-arrow-keys': function(v) {\n      terminal.scrollWheelArrowKeys_ = v;\n    },\n\n    'scroll-wheel-move-multiplier': function(v) {\n      terminal.setScrollWheelMoveMultipler(v);\n    },\n\n    'send-encoding': function(v) {\n       if (!(/^(utf-8|raw)$/).test(v)) {\n         console.warn('Invalid value for \"send-encoding\": ' + v);\n         v = 'utf-8';\n       }\n\n       terminal.keyboard.characterEncoding = v;\n    },\n\n    'shift-insert-paste': function(v) {\n      terminal.keyboard.shiftInsertPaste = v;\n    },\n\n    'terminal-encoding': function(v) {\n      terminal.vt.setEncoding(v);\n    },\n\n    'user-css': function(v) {\n      terminal.scrollPort_.setUserCssUrl(v);\n    },\n\n    'user-css-text': function(v) {\n      terminal.scrollPort_.setUserCssText(v);\n    },\n\n    'word-break-match-left': function(v) {\n      terminal.primaryScreen_.wordBreakMatchLeft = v;\n      terminal.alternateScreen_.wordBreakMatchLeft = v;\n    },\n\n    'word-break-match-right': function(v) {\n      terminal.primaryScreen_.wordBreakMatchRight = v;\n      terminal.alternateScreen_.wordBreakMatchRight = v;\n    },\n\n    'word-break-match-middle': function(v) {\n      terminal.primaryScreen_.wordBreakMatchMiddle = v;\n      terminal.alternateScreen_.wordBreakMatchMiddle = v;\n    },\n  });\n\n  this.prefs_.readStorage(function() {\n    this.prefs_.notifyAll();\n\n    if (opt_callback)\n      opt_callback();\n  }.bind(this));\n};\n\n\n/**\n * Returns the preferences manager used for configuring this terminal.\n *\n * @return {hterm.PreferenceManager}\n */\nhterm.Terminal.prototype.getPrefs = function() {\n  return this.prefs_;\n};\n\n/**\n * Enable or disable bracketed paste mode.\n *\n * @param {boolean} state The value to set.\n */\nhterm.Terminal.prototype.setBracketedPaste = function(state) {\n  this.options_.bracketedPaste = state;\n};\n\n/**\n * Set the color for the cursor.\n *\n * If you want this setting to persist, set it through prefs_, rather than\n * with this method.\n *\n * @param {string} color The color to set.\n */\nhterm.Terminal.prototype.setCursorColor = function(color) {\n  this.cursorColor_ = color;\n  this.cursorNode_.style.backgroundColor = color;\n  this.cursorNode_.style.borderColor = color;\n};\n\n/**\n * Return the current cursor color as a string.\n * @return {string}\n */\nhterm.Terminal.prototype.getCursorColor = function() {\n  return this.cursorColor_;\n};\n\n/**\n * Enable or disable mouse based text selection in the terminal.\n *\n * @param {boolean} state The value to set.\n */\nhterm.Terminal.prototype.setSelectionEnabled = function(state) {\n  this.enableMouseDragScroll = state;\n};\n\n/**\n * Set the background color.\n *\n * If you want this setting to persist, set it through prefs_, rather than\n * with this method.\n *\n * @param {string} color The color to set.\n */\nhterm.Terminal.prototype.setBackgroundColor = function(color) {\n  this.backgroundColor_ = lib.colors.normalizeCSS(color);\n  this.primaryScreen_.textAttributes.setDefaults(\n      this.foregroundColor_, this.backgroundColor_);\n  this.alternateScreen_.textAttributes.setDefaults(\n      this.foregroundColor_, this.backgroundColor_);\n  this.scrollPort_.setBackgroundColor(color);\n};\n\n/**\n * Return the current terminal background color.\n *\n * Intended for use by other classes, so we don't have to expose the entire\n * prefs_ object.\n *\n * @return {string}\n */\nhterm.Terminal.prototype.getBackgroundColor = function() {\n  return this.backgroundColor_;\n};\n\n/**\n * Set the foreground color.\n *\n * If you want this setting to persist, set it through prefs_, rather than\n * with this method.\n *\n * @param {string} color The color to set.\n */\nhterm.Terminal.prototype.setForegroundColor = function(color) {\n  this.foregroundColor_ = lib.colors.normalizeCSS(color);\n  this.primaryScreen_.textAttributes.setDefaults(\n      this.foregroundColor_, this.backgroundColor_);\n  this.alternateScreen_.textAttributes.setDefaults(\n      this.foregroundColor_, this.backgroundColor_);\n  this.scrollPort_.setForegroundColor(color);\n};\n\n/**\n * Return the current terminal foreground color.\n *\n * Intended for use by other classes, so we don't have to expose the entire\n * prefs_ object.\n *\n * @return {string}\n */\nhterm.Terminal.prototype.getForegroundColor = function() {\n  return this.foregroundColor_;\n};\n\n/**\n * Create a new instance of a terminal command and run it with a given\n * argument string.\n *\n * @param {function} commandClass The constructor for a terminal command.\n * @param {string} argString The argument string to pass to the command.\n */\nhterm.Terminal.prototype.runCommandClass = function(commandClass, argString) {\n  var environment = this.prefs_.get('environment');\n  if (typeof environment != 'object' || environment == null)\n    environment = {};\n\n  var self = this;\n  this.command = new commandClass(\n      { argString: argString || '',\n        io: this.io.push(),\n        environment: environment,\n        onExit: function(code) {\n          self.io.pop();\n          self.uninstallKeyboard();\n          if (self.prefs_.get('close-on-exit'))\n              window.close();\n        }\n      });\n\n  this.installKeyboard();\n  this.command.run();\n};\n\n/**\n * Returns true if the current screen is the primary screen, false otherwise.\n *\n * @return {boolean}\n */\nhterm.Terminal.prototype.isPrimaryScreen = function() {\n  return this.screen_ == this.primaryScreen_;\n};\n\n/**\n * Install the keyboard handler for this terminal.\n *\n * This will prevent the browser from seeing any keystrokes sent to the\n * terminal.\n */\nhterm.Terminal.prototype.installKeyboard = function() {\n  this.keyboard.installKeyboard(this.scrollPort_.getDocument().body);\n}\n\n/**\n * Uninstall the keyboard handler for this terminal.\n */\nhterm.Terminal.prototype.uninstallKeyboard = function() {\n  this.keyboard.installKeyboard(null);\n}\n\n/**\n * Set a CSS variable.\n *\n * Normally this is used to set variables in the hterm namespace.\n *\n * @param {string} name The variable to set.\n * @param {string} value The value to assign to the variable.\n * @param {string?} opt_prefix The variable namespace/prefix to use.\n */\nhterm.Terminal.prototype.setCssVar = function(name, value,\n                                              opt_prefix='--hterm-') {\n  this.document_.documentElement.style.setProperty(\n      `${opt_prefix}${name}`, value);\n};\n\n/**\n * Set the font size for this terminal.\n *\n * Call setFontSize(0) to reset to the default font size.\n *\n * This function does not modify the font-size preference.\n *\n * @param {number} px The desired font size, in pixels.\n */\nhterm.Terminal.prototype.setFontSize = function(px) {\n  if (px === 0)\n    px = this.prefs_.get('font-size');\n\n  this.scrollPort_.setFontSize(px);\n  this.setCssVar('charsize-width', this.scrollPort_.characterSize.width + 'px');\n  this.setCssVar('charsize-height',\n                 this.scrollPort_.characterSize.height + 'px');\n};\n\n/**\n * Get the current font size.\n *\n * @return {number}\n */\nhterm.Terminal.prototype.getFontSize = function() {\n  return this.scrollPort_.getFontSize();\n};\n\n/**\n * Get the current font family.\n *\n * @return {string}\n */\nhterm.Terminal.prototype.getFontFamily = function() {\n  return this.scrollPort_.getFontFamily();\n};\n\n/**\n * Set the CSS \"font-family\" for this terminal.\n */\nhterm.Terminal.prototype.syncFontFamily = function() {\n  this.scrollPort_.setFontFamily(this.prefs_.get('font-family'),\n                                 this.prefs_.get('font-smoothing'));\n  this.syncBoldSafeState();\n};\n\n/**\n * Set this.mousePasteButton based on the mouse-paste-button pref,\n * autodetecting if necessary.\n */\nhterm.Terminal.prototype.syncMousePasteButton = function() {\n  var button = this.prefs_.get('mouse-paste-button');\n  if (typeof button == 'number') {\n    this.mousePasteButton = button;\n    return;\n  }\n\n  var ary = navigator.userAgent.match(/\\(X11;\\s+(\\S+)/);\n  if (!ary || ary[1] == 'CrOS') {\n    this.mousePasteButton = 1;  // Middle mouse button.\n  } else {\n    this.mousePasteButton = 2;  // Right mouse button.\n  }\n};\n\n/**\n * Enable or disable bold based on the enable-bold pref, autodetecting if\n * necessary.\n */\nhterm.Terminal.prototype.syncBoldSafeState = function() {\n  var enableBold = this.prefs_.get('enable-bold');\n  if (enableBold !== null) {\n    this.primaryScreen_.textAttributes.enableBold = enableBold;\n    this.alternateScreen_.textAttributes.enableBold = enableBold;\n    return;\n  }\n\n  var normalSize = this.scrollPort_.measureCharacterSize();\n  var boldSize = this.scrollPort_.measureCharacterSize('bold');\n\n  var isBoldSafe = normalSize.equals(boldSize);\n  if (!isBoldSafe) {\n    console.warn('Bold characters disabled: Size of bold weight differs ' +\n                 'from normal.  Font family is: ' +\n                 this.scrollPort_.getFontFamily());\n  }\n\n  this.primaryScreen_.textAttributes.enableBold = isBoldSafe;\n  this.alternateScreen_.textAttributes.enableBold = isBoldSafe;\n};\n\n/**\n * Enable or disable blink based on the enable-blink pref.\n */\nhterm.Terminal.prototype.syncBlinkState = function() {\n  this.setCssVar('node-duration',\n                 this.prefs_.get('enable-blink') ? '0.7s' : '0');\n};\n\n/**\n * Set the mouse cursor style based on the current terminal mode.\n */\nhterm.Terminal.prototype.syncMouseStyle = function() {\n  this.setCssVar('mouse-cursor-style',\n                 this.vt.mouseReport == this.vt.MOUSE_REPORT_DISABLED ?\n                     'var(--hterm-mouse-cursor-text)' :\n                     'var(--hterm-mouse-cursor-pointer)');\n};\n\n/**\n * Return a copy of the current cursor position.\n *\n * @return {hterm.RowCol} The RowCol object representing the current position.\n */\nhterm.Terminal.prototype.saveCursor = function() {\n  return this.screen_.cursorPosition.clone();\n};\n\n/**\n * Return the current text attributes.\n *\n * @return {string}\n */\nhterm.Terminal.prototype.getTextAttributes = function() {\n  return this.screen_.textAttributes;\n};\n\n/**\n * Set the text attributes.\n *\n * @param {string} textAttributes The attributes to set.\n */\nhterm.Terminal.prototype.setTextAttributes = function(textAttributes) {\n  this.screen_.textAttributes = textAttributes;\n};\n\n/**\n * Return the current browser zoom factor applied to the terminal.\n *\n * @return {number} The current browser zoom factor.\n */\nhterm.Terminal.prototype.getZoomFactor = function() {\n  return this.scrollPort_.characterSize.zoomFactor;\n};\n\n/**\n * Change the title of this terminal's window.\n *\n * @param {string} title The title to set.\n */\nhterm.Terminal.prototype.setWindowTitle = function(title) {\n  window.document.title = title;\n};\n\n/**\n * Restore a previously saved cursor position.\n *\n * @param {hterm.RowCol} cursor The position to restore.\n */\nhterm.Terminal.prototype.restoreCursor = function(cursor) {\n  var row = lib.f.clamp(cursor.row, 0, this.screenSize.height - 1);\n  var column = lib.f.clamp(cursor.column, 0, this.screenSize.width - 1);\n  this.screen_.setCursorPosition(row, column);\n  if (cursor.column > column ||\n      cursor.column == column && cursor.overflow) {\n    this.screen_.cursorPosition.overflow = true;\n  }\n};\n\n/**\n * Clear the cursor's overflow flag.\n */\nhterm.Terminal.prototype.clearCursorOverflow = function() {\n  this.screen_.cursorPosition.overflow = false;\n};\n\n/**\n * Sets the cursor shape\n *\n * @param {string} shape The shape to set.\n */\nhterm.Terminal.prototype.setCursorShape = function(shape) {\n  this.cursorShape_ = shape;\n  this.restyleCursor_();\n}\n\n/**\n * Get the cursor shape\n *\n * @return {string}\n */\nhterm.Terminal.prototype.getCursorShape = function() {\n  return this.cursorShape_;\n}\n\n/**\n * Set the width of the terminal, resizing the UI to match.\n *\n * @param {number} columnCount\n */\nhterm.Terminal.prototype.setWidth = function(columnCount) {\n  if (columnCount == null) {\n    this.div_.style.width = '100%';\n    return;\n  }\n\n  this.div_.style.width = Math.ceil(\n      this.scrollPort_.characterSize.width *\n      columnCount + this.scrollPort_.currentScrollbarWidthPx) + 'px';\n  this.realizeSize_(columnCount, this.screenSize.height);\n  this.scheduleSyncCursorPosition_();\n};\n\n/**\n * Set the height of the terminal, resizing the UI to match.\n *\n * @param {number} rowCount The height in rows.\n */\nhterm.Terminal.prototype.setHeight = function(rowCount) {\n  if (rowCount == null) {\n    this.div_.style.height = '100%';\n    return;\n  }\n\n  this.div_.style.height =\n      this.scrollPort_.characterSize.height * rowCount + 'px';\n  this.realizeSize_(this.screenSize.width, rowCount);\n  this.scheduleSyncCursorPosition_();\n};\n\n/**\n * Deal with terminal size changes.\n *\n * @param {number} columnCount The number of columns.\n * @param {number} rowCount The number of rows.\n */\nhterm.Terminal.prototype.realizeSize_ = function(columnCount, rowCount) {\n  if (columnCount != this.screenSize.width)\n    this.realizeWidth_(columnCount);\n\n  if (rowCount != this.screenSize.height)\n    this.realizeHeight_(rowCount);\n\n  // Send new terminal size to plugin.\n  this.io.onTerminalResize_(columnCount, rowCount);\n};\n\n/**\n * Deal with terminal width changes.\n *\n * This function does what needs to be done when the terminal width changes\n * out from under us.  It happens here rather than in onResize_() because this\n * code may need to run synchronously to handle programmatic changes of\n * terminal width.\n *\n * Relying on the browser to send us an async resize event means we may not be\n * in the correct state yet when the next escape sequence hits.\n *\n * @param {number} columnCount The number of columns.\n */\nhterm.Terminal.prototype.realizeWidth_ = function(columnCount) {\n  if (columnCount <= 0)\n    throw new Error('Attempt to realize bad width: ' + columnCount);\n\n  var deltaColumns = columnCount - this.screen_.getWidth();\n\n  this.screenSize.width = columnCount;\n  this.screen_.setColumnCount(columnCount);\n\n  if (deltaColumns > 0) {\n    if (this.defaultTabStops)\n      this.setDefaultTabStops(this.screenSize.width - deltaColumns);\n  } else {\n    for (var i = this.tabStops_.length - 1; i >= 0; i--) {\n      if (this.tabStops_[i] < columnCount)\n        break;\n\n      this.tabStops_.pop();\n    }\n  }\n\n  this.screen_.setColumnCount(this.screenSize.width);\n};\n\n/**\n * Deal with terminal height changes.\n *\n * This function does what needs to be done when the terminal height changes\n * out from under us.  It happens here rather than in onResize_() because this\n * code may need to run synchronously to handle programmatic changes of\n * terminal height.\n *\n * Relying on the browser to send us an async resize event means we may not be\n * in the correct state yet when the next escape sequence hits.\n *\n * @param {number} rowCount The number of rows.\n */\nhterm.Terminal.prototype.realizeHeight_ = function(rowCount) {\n  if (rowCount <= 0)\n    throw new Error('Attempt to realize bad height: ' + rowCount);\n\n  var deltaRows = rowCount - this.screen_.getHeight();\n\n  this.screenSize.height = rowCount;\n\n  var cursor = this.saveCursor();\n\n  if (deltaRows < 0) {\n    // Screen got smaller.\n    deltaRows *= -1;\n    while (deltaRows) {\n      var lastRow = this.getRowCount() - 1;\n      if (lastRow - this.scrollbackRows_.length == cursor.row)\n        break;\n\n      if (this.getRowText(lastRow))\n        break;\n\n      this.screen_.popRow();\n      deltaRows--;\n    }\n\n    var ary = this.screen_.shiftRows(deltaRows);\n    this.scrollbackRows_.push.apply(this.scrollbackRows_, ary);\n\n    // We just removed rows from the top of the screen, we need to update\n    // the cursor to match.\n    cursor.row = Math.max(cursor.row - deltaRows, 0);\n  } else if (deltaRows > 0) {\n    // Screen got larger.\n\n    if (deltaRows <= this.scrollbackRows_.length) {\n      var scrollbackCount = Math.min(deltaRows, this.scrollbackRows_.length);\n      var rows = this.scrollbackRows_.splice(\n          this.scrollbackRows_.length - scrollbackCount, scrollbackCount);\n      this.screen_.unshiftRows(rows);\n      deltaRows -= scrollbackCount;\n      cursor.row += scrollbackCount;\n    }\n\n    if (deltaRows)\n      this.appendRows_(deltaRows);\n  }\n\n  this.setVTScrollRegion(null, null);\n  this.restoreCursor(cursor);\n};\n\n/**\n * Scroll the terminal to the top of the scrollback buffer.\n */\nhterm.Terminal.prototype.scrollHome = function() {\n  this.scrollPort_.scrollRowToTop(0);\n};\n\n/**\n * Scroll the terminal to the end.\n */\nhterm.Terminal.prototype.scrollEnd = function() {\n  this.scrollPort_.scrollRowToBottom(this.getRowCount());\n};\n\n/**\n * Scroll the terminal one page up (minus one line) relative to the current\n * position.\n */\nhterm.Terminal.prototype.scrollPageUp = function() {\n  var i = this.scrollPort_.getTopRowIndex();\n  this.scrollPort_.scrollRowToTop(i - this.screenSize.height + 1);\n};\n\n/**\n * Scroll the terminal one page down (minus one line) relative to the current\n * position.\n */\nhterm.Terminal.prototype.scrollPageDown = function() {\n  var i = this.scrollPort_.getTopRowIndex();\n  this.scrollPort_.scrollRowToTop(i + this.screenSize.height - 1);\n};\n\n/**\n * Scroll the terminal one line up relative to the current position.\n */\nhterm.Terminal.prototype.scrollLineUp = function() {\n  var i = this.scrollPort_.getTopRowIndex();\n  this.scrollPort_.scrollRowToTop(i - 1);\n};\n\n/**\n * Scroll the terminal one line down relative to the current position.\n */\nhterm.Terminal.prototype.scrollLineDown = function() {\n  var i = this.scrollPort_.getTopRowIndex();\n  this.scrollPort_.scrollRowToTop(i + 1);\n};\n\n/**\n * Clear primary screen, secondary screen, and the scrollback buffer.\n */\nhterm.Terminal.prototype.wipeContents = function() {\n  this.scrollbackRows_.length = 0;\n  this.scrollPort_.resetCache();\n\n  [this.primaryScreen_, this.alternateScreen_].forEach(function(screen) {\n    var bottom = screen.getHeight();\n    if (bottom > 0) {\n      this.renumberRows_(0, bottom);\n      this.clearHome(screen);\n    }\n  }.bind(this));\n\n  this.syncCursorPosition_();\n  this.scrollPort_.invalidate();\n};\n\n/**\n * Full terminal reset.\n */\nhterm.Terminal.prototype.reset = function() {\n  this.clearAllTabStops();\n  this.setDefaultTabStops();\n\n  this.clearHome(this.primaryScreen_);\n  this.primaryScreen_.textAttributes.reset();\n\n  this.clearHome(this.alternateScreen_);\n  this.alternateScreen_.textAttributes.reset();\n\n  this.setCursorBlink(!!this.prefs_.get('cursor-blink'));\n\n  this.vt.reset();\n\n  this.softReset();\n};\n\n/**\n * Soft terminal reset.\n *\n * Perform a soft reset to the default values listed in\n * http://www.vt100.net/docs/vt510-rm/DECSTR#T5-9\n */\nhterm.Terminal.prototype.softReset = function() {\n  // Reset terminal options to their default values.\n  this.options_ = new hterm.Options();\n\n  // We show the cursor on soft reset but do not alter the blink state.\n  this.options_.cursorBlink = !!this.timeouts_.cursorBlink;\n\n  // Xterm also resets the color palette on soft reset, even though it doesn't\n  // seem to be documented anywhere.\n  this.primaryScreen_.textAttributes.resetColorPalette();\n  this.alternateScreen_.textAttributes.resetColorPalette();\n\n  // The xterm man page explicitly says this will happen on soft reset.\n  this.setVTScrollRegion(null, null);\n\n  // Xterm also shows the cursor on soft reset, but does not alter the blink\n  // state.\n  this.setCursorVisible(true);\n};\n\n/**\n * Move the cursor forward to the next tab stop, or to the last column\n * if no more tab stops are set.\n */\nhterm.Terminal.prototype.forwardTabStop = function() {\n  var column = this.screen_.cursorPosition.column;\n\n  for (var i = 0; i < this.tabStops_.length; i++) {\n    if (this.tabStops_[i] > column) {\n      this.setCursorColumn(this.tabStops_[i]);\n      return;\n    }\n  }\n\n  // xterm does not clear the overflow flag on HT or CHT.\n  var overflow = this.screen_.cursorPosition.overflow;\n  this.setCursorColumn(this.screenSize.width - 1);\n  this.screen_.cursorPosition.overflow = overflow;\n};\n\n/**\n * Move the cursor backward to the previous tab stop, or to the first column\n * if no previous tab stops are set.\n */\nhterm.Terminal.prototype.backwardTabStop = function() {\n  var column = this.screen_.cursorPosition.column;\n\n  for (var i = this.tabStops_.length - 1; i >= 0; i--) {\n    if (this.tabStops_[i] < column) {\n      this.setCursorColumn(this.tabStops_[i]);\n      return;\n    }\n  }\n\n  this.setCursorColumn(1);\n};\n\n/**\n * Set a tab stop at the given column.\n *\n * @param {integer} column Zero based column.\n */\nhterm.Terminal.prototype.setTabStop = function(column) {\n  for (var i = this.tabStops_.length - 1; i >= 0; i--) {\n    if (this.tabStops_[i] == column)\n      return;\n\n    if (this.tabStops_[i] < column) {\n      this.tabStops_.splice(i + 1, 0, column);\n      return;\n    }\n  }\n\n  this.tabStops_.splice(0, 0, column);\n};\n\n/**\n * Clear the tab stop at the current cursor position.\n *\n * No effect if there is no tab stop at the current cursor position.\n */\nhterm.Terminal.prototype.clearTabStopAtCursor = function() {\n  var column = this.screen_.cursorPosition.column;\n\n  var i = this.tabStops_.indexOf(column);\n  if (i == -1)\n    return;\n\n  this.tabStops_.splice(i, 1);\n};\n\n/**\n * Clear all tab stops.\n */\nhterm.Terminal.prototype.clearAllTabStops = function() {\n  this.tabStops_.length = 0;\n  this.defaultTabStops = false;\n};\n\n/**\n * Set up the default tab stops, starting from a given column.\n *\n * This sets a tabstop every (column % this.tabWidth) column, starting\n * from the specified column, or 0 if no column is provided.  It also flags\n * future resizes to set them up.\n *\n * This does not clear the existing tab stops first, use clearAllTabStops\n * for that.\n *\n * @param {integer} opt_start Optional starting zero based starting column, useful\n *     for filling out missing tab stops when the terminal is resized.\n */\nhterm.Terminal.prototype.setDefaultTabStops = function(opt_start) {\n  var start = opt_start || 0;\n  var w = this.tabWidth;\n  // Round start up to a default tab stop.\n  start = start - 1 - ((start - 1) % w) + w;\n  for (var i = start; i < this.screenSize.width; i += w) {\n    this.setTabStop(i);\n  }\n\n  this.defaultTabStops = true;\n};\n\n/**\n * Interpret a sequence of characters.\n *\n * Incomplete escape sequences are buffered until the next call.\n *\n * @param {string} str Sequence of characters to interpret or pass through.\n */\nhterm.Terminal.prototype.interpret = function(str) {\n  this.vt.interpret(str);\n  this.scheduleSyncCursorPosition_();\n};\n\n/**\n * Take over the given DIV for use as the terminal display.\n *\n * @param {HTMLDivElement} div The div to use as the terminal display.\n */\nhterm.Terminal.prototype.decorate = function(div) {\n  this.div_ = div;\n\n  this.scrollPort_.decorate(div);\n  this.scrollPort_.setBackgroundImage(this.prefs_.get('background-image'));\n  this.scrollPort_.setBackgroundSize(this.prefs_.get('background-size'));\n  this.scrollPort_.setBackgroundPosition(\n      this.prefs_.get('background-position'));\n  this.scrollPort_.setUserCssUrl(this.prefs_.get('user-css'));\n  this.scrollPort_.setUserCssText(this.prefs_.get('user-css-text'));\n\n  this.div_.focus = this.focus.bind(this);\n\n  this.setFontSize(this.prefs_.get('font-size'));\n  this.syncFontFamily();\n\n  this.setScrollbarVisible(this.prefs_.get('scrollbar-visible'));\n  this.setScrollWheelMoveMultipler(\n      this.prefs_.get('scroll-wheel-move-multiplier'));\n\n  this.document_ = this.scrollPort_.getDocument();\n\n  this.document_.body.oncontextmenu = function() { return false; };\n\n  var onMouse = this.onMouse_.bind(this);\n  var screenNode = this.scrollPort_.getScreenNode();\n  screenNode.addEventListener('mousedown', onMouse);\n  screenNode.addEventListener('mouseup', onMouse);\n  screenNode.addEventListener('mousemove', onMouse);\n  this.scrollPort_.onScrollWheel = onMouse;\n\n  screenNode.addEventListener(\n      'focus', this.onFocusChange_.bind(this, true));\n  // Listen for mousedown events on the screenNode as in FF the focus\n  // events don't bubble.\n  screenNode.addEventListener('mousedown', function() {\n    setTimeout(this.onFocusChange_.bind(this, true));\n  }.bind(this));\n\n  screenNode.addEventListener(\n      'blur', this.onFocusChange_.bind(this, false));\n\n  var style = this.document_.createElement('style');\n  style.textContent =\n      ('.cursor-node[focus=\"false\"] {' +\n       '  box-sizing: border-box;' +\n       '  background-color: transparent !important;' +\n       '  border-width: 2px;' +\n       '  border-style: solid;' +\n       '}' +\n       '.wc-node {' +\n       '  display: inline-block;' +\n       '  text-align: center;' +\n       '  width: calc(var(--hterm-charsize-width) * 2);' +\n       '  line-height: var(--hterm-charsize-height);' +\n       '}' +\n       ':root {' +\n       '  --hterm-charsize-width: ' + this.scrollPort_.characterSize.width + 'px;' +\n       '  --hterm-charsize-height: ' + this.scrollPort_.characterSize.height + 'px;' +\n       '  --hterm-cursor-offset-col: 0;' +\n       '  --hterm-cursor-offset-row: 0;' +\n       '  --hterm-blink-node-duration: 0.7s;' +\n       '  --hterm-mouse-cursor-text: text;' +\n       '  --hterm-mouse-cursor-pointer: default;' +\n       '  --hterm-mouse-cursor-style: var(--hterm-mouse-cursor-text);' +\n       '}' +\n       '@keyframes blink {' +\n       '  from { opacity: 1.0; }' +\n       '  to { opacity: 0.0; }' +\n       '}' +\n       '.blink-node {' +\n       '  animation-name: blink;' +\n       '  animation-duration: var(--hterm-blink-node-duration);' +\n       '  animation-iteration-count: infinite;' +\n       '  animation-timing-function: ease-in-out;' +\n       '  animation-direction: alternate;' +\n       '}');\n  this.document_.head.appendChild(style);\n\n  this.cursorNode_ = this.document_.createElement('div');\n  this.cursorNode_.id = 'hterm:terminal-cursor';\n  this.cursorNode_.className = 'cursor-node';\n  this.cursorNode_.style.cssText =\n      ('position: absolute;' +\n       'left: calc(var(--hterm-charsize-width) * var(--hterm-cursor-offset-col));' +\n       'top: calc(var(--hterm-charsize-height) * var(--hterm-cursor-offset-row));' +\n       'display: block;' +\n       'width: var(--hterm-charsize-width);' +\n       'height: var(--hterm-charsize-height);' +\n       '-webkit-transition: opacity, background-color 100ms linear;' +\n       '-moz-transition: opacity, background-color 100ms linear;');\n\n  this.setCursorColor(this.prefs_.get('cursor-color'));\n  this.setCursorBlink(!!this.prefs_.get('cursor-blink'));\n  this.restyleCursor_();\n\n  this.document_.body.appendChild(this.cursorNode_);\n\n  // When 'enableMouseDragScroll' is off we reposition this element directly\n  // under the mouse cursor after a click.  This makes Chrome associate\n  // subsequent mousemove events with the scroll-blocker.  Since the\n  // scroll-blocker is a peer (not a child) of the scrollport, the mousemove\n  // events do not cause the scrollport to scroll.\n  //\n  // It's a hack, but it's the cleanest way I could find.\n  this.scrollBlockerNode_ = this.document_.createElement('div');\n  this.scrollBlockerNode_.id = 'hterm:mouse-drag-scroll-blocker';\n  this.scrollBlockerNode_.style.cssText =\n      ('position: absolute;' +\n       'top: -99px;' +\n       'display: block;' +\n       'width: 10px;' +\n       'height: 10px;');\n  this.document_.body.appendChild(this.scrollBlockerNode_);\n\n  this.scrollPort_.onScrollWheel = onMouse;\n  ['mousedown', 'mouseup', 'mousemove', 'click', 'dblclick',\n   ].forEach(function(event) {\n       this.scrollBlockerNode_.addEventListener(event, onMouse);\n       this.cursorNode_.addEventListener(event, onMouse);\n       this.document_.addEventListener(event, onMouse);\n     }.bind(this));\n\n  this.cursorNode_.addEventListener('mousedown', function() {\n      setTimeout(this.focus.bind(this));\n    }.bind(this));\n\n  this.setReverseVideo(false);\n\n  this.scrollPort_.focus();\n  this.scrollPort_.scheduleRedraw();\n};\n\n/**\n * Return the HTML document that contains the terminal DOM nodes.\n *\n * @return {HTMLDocument}\n */\nhterm.Terminal.prototype.getDocument = function() {\n  return this.document_;\n};\n\n/**\n * Focus the terminal.\n */\nhterm.Terminal.prototype.focus = function() {\n  this.scrollPort_.focus();\n};\n\n/**\n * Return the HTML Element for a given row index.\n *\n * This is a method from the RowProvider interface.  The ScrollPort uses\n * it to fetch rows on demand as they are scrolled into view.\n *\n * TODO(rginda): Consider saving scrollback rows as (HTML source, text content)\n * pairs to conserve memory.\n *\n * @param {integer} index The zero-based row index, measured relative to the\n *     start of the scrollback buffer.  On-screen rows will always have the\n *     largest indices.\n * @return {HTMLElement} The 'x-row' element containing for the requested row.\n */\nhterm.Terminal.prototype.getRowNode = function(index) {\n  if (index < this.scrollbackRows_.length)\n    return this.scrollbackRows_[index];\n\n  var screenIndex = index - this.scrollbackRows_.length;\n  return this.screen_.rowsArray[screenIndex];\n};\n\n/**\n * Return the text content for a given range of rows.\n *\n * This is a method from the RowProvider interface.  The ScrollPort uses\n * it to fetch text content on demand when the user attempts to copy their\n * selection to the clipboard.\n *\n * @param {integer} start The zero-based row index to start from, measured\n *     relative to the start of the scrollback buffer.  On-screen rows will\n *     always have the largest indices.\n * @param {integer} end The zero-based row index to end on, measured\n *     relative to the start of the scrollback buffer.\n * @return {string} A single string containing the text value of the range of\n *     rows.  Lines will be newline delimited, with no trailing newline.\n */\nhterm.Terminal.prototype.getRowsText = function(start, end) {\n  var ary = [];\n  for (var i = start; i < end; i++) {\n    var node = this.getRowNode(i);\n    ary.push(node.textContent);\n    if (i < end - 1 && !node.getAttribute('line-overflow'))\n      ary.push('\\n');\n  }\n\n  return ary.join('');\n};\n\n/**\n * Return the text content for a given row.\n *\n * This is a method from the RowProvider interface.  The ScrollPort uses\n * it to fetch text content on demand when the user attempts to copy their\n * selection to the clipboard.\n *\n * @param {integer} index The zero-based row index to return, measured\n *     relative to the start of the scrollback buffer.  On-screen rows will\n *     always have the largest indices.\n * @return {string} A string containing the text value of the selected row.\n */\nhterm.Terminal.prototype.getRowText = function(index) {\n  var node = this.getRowNode(index);\n  return node.textContent;\n};\n\n/**\n * Return the total number of rows in the addressable screen and in the\n * scrollback buffer of this terminal.\n *\n * This is a method from the RowProvider interface.  The ScrollPort uses\n * it to compute the size of the scrollbar.\n *\n * @return {integer} The number of rows in this terminal.\n */\nhterm.Terminal.prototype.getRowCount = function() {\n  return this.scrollbackRows_.length + this.screen_.rowsArray.length;\n};\n\n/**\n * Create DOM nodes for new rows and append them to the end of the terminal.\n *\n * This is the only correct way to add a new DOM node for a row.  Notice that\n * the new row is appended to the bottom of the list of rows, and does not\n * require renumbering (of the rowIndex property) of previous rows.\n *\n * If you think you want a new blank row somewhere in the middle of the\n * terminal, look into moveRows_().\n *\n * This method does not pay attention to vtScrollTop/Bottom, since you should\n * be using moveRows() in cases where they would matter.\n *\n * The cursor will be positioned at column 0 of the first inserted line.\n *\n * @param {number} count The number of rows to created.\n */\nhterm.Terminal.prototype.appendRows_ = function(count) {\n  var cursorRow = this.screen_.rowsArray.length;\n  var offset = this.scrollbackRows_.length + cursorRow;\n  for (var i = 0; i < count; i++) {\n    var row = this.document_.createElement('x-row');\n    row.appendChild(this.document_.createTextNode(''));\n    row.rowIndex = offset + i;\n    this.screen_.pushRow(row);\n  }\n\n  var extraRows = this.screen_.rowsArray.length - this.screenSize.height;\n  if (extraRows > 0) {\n    var ary = this.screen_.shiftRows(extraRows);\n    Array.prototype.push.apply(this.scrollbackRows_, ary);\n    if (this.scrollPort_.isScrolledEnd)\n      this.scheduleScrollDown_();\n  }\n\n  if (cursorRow >= this.screen_.rowsArray.length)\n    cursorRow = this.screen_.rowsArray.length - 1;\n\n  this.setAbsoluteCursorPosition(cursorRow, 0);\n};\n\n/**\n * Relocate rows from one part of the addressable screen to another.\n *\n * This is used to recycle rows during VT scrolls (those which are driven\n * by VT commands, rather than by the user manipulating the scrollbar.)\n *\n * In this case, the blank lines scrolled into the scroll region are made of\n * the nodes we scrolled off.  These have their rowIndex properties carefully\n * renumbered so as not to confuse the ScrollPort.\n *\n * @param {number} fromIndex The start index.\n * @param {number} count The number of rows to move.\n * @param {number} toIndex The destination index.\n */\nhterm.Terminal.prototype.moveRows_ = function(fromIndex, count, toIndex) {\n  var ary = this.screen_.removeRows(fromIndex, count);\n  this.screen_.insertRows(toIndex, ary);\n\n  var start, end;\n  if (fromIndex < toIndex) {\n    start = fromIndex;\n    end = toIndex + count;\n  } else {\n    start = toIndex;\n    end = fromIndex + count;\n  }\n\n  this.renumberRows_(start, end);\n  this.scrollPort_.scheduleInvalidate();\n};\n\n/**\n * Renumber the rowIndex property of the given range of rows.\n *\n * The start and end indices are relative to the screen, not the scrollback.\n * Rows in the scrollback buffer cannot be renumbered.  Since they are not\n * addressable (you can't delete them, scroll them, etc), you should have\n * no need to renumber scrollback rows.\n *\n * @param {number} start The start index.\n * @param {number} end The end index.\n * @param {hterm.Screen} opt_screen The screen to renumber.\n */\nhterm.Terminal.prototype.renumberRows_ = function(start, end, opt_screen) {\n  var screen = opt_screen || this.screen_;\n\n  var offset = this.scrollbackRows_.length;\n  for (var i = start; i < end; i++) {\n    screen.rowsArray[i].rowIndex = offset + i;\n  }\n};\n\n/**\n * Print a string to the terminal.\n *\n * This respects the current insert and wraparound modes.  It will add new lines\n * to the end of the terminal, scrolling off the top into the scrollback buffer\n * if necessary.\n *\n * The string is *not* parsed for escape codes.  Use the interpret() method if\n * that's what you're after.\n *\n * @param{string} str The string to print.\n */\nhterm.Terminal.prototype.print = function(str) {\n  var startOffset = 0;\n\n  var strWidth = lib.wc.strWidth(str);\n\n  while (startOffset < strWidth) {\n    if (this.options_.wraparound && this.screen_.cursorPosition.overflow) {\n      this.screen_.commitLineOverflow();\n      this.newLine();\n    }\n\n    var count = strWidth - startOffset;\n    var didOverflow = false;\n    var substr;\n\n    if (this.screen_.cursorPosition.column + count >= this.screenSize.width) {\n      didOverflow = true;\n      count = this.screenSize.width - this.screen_.cursorPosition.column;\n    }\n\n    if (didOverflow && !this.options_.wraparound) {\n      // If the string overflowed the line but wraparound is off, then the\n      // last printed character should be the last of the string.\n      // TODO: This will add to our problems with multibyte UTF-16 characters.\n      substr = lib.wc.substr(str, startOffset, count - 1) +\n          lib.wc.substr(str, strWidth - 1);\n      count = strWidth;\n    } else {\n      substr = lib.wc.substr(str, startOffset, count);\n    }\n\n    var tokens = hterm.TextAttributes.splitWidecharString(substr);\n    for (var i = 0; i < tokens.length; i++) {\n      this.screen_.textAttributes.wcNode = tokens[i].wcNode;\n      this.screen_.textAttributes.asciiNode = tokens[i].asciiNode;\n\n      if (this.options_.insertMode) {\n          this.screen_.insertString(tokens[i].str);\n      } else {\n        this.screen_.overwriteString(tokens[i].str);\n      }\n      this.screen_.textAttributes.wcNode = false;\n      this.screen_.textAttributes.asciiNode = true;\n    }\n\n    this.screen_.maybeClipCurrentRow();\n    startOffset += count;\n  }\n\n  this.scheduleSyncCursorPosition_();\n\n  if (this.scrollOnOutput_)\n    this.scrollPort_.scrollRowToBottom(this.getRowCount());\n};\n\n/**\n * Set the VT scroll region.\n *\n * This also resets the cursor position to the absolute (0, 0) position, since\n * that's what xterm appears to do.\n *\n * Setting the scroll region to the full height of the terminal will clear\n * the scroll region.  This is *NOT* what most terminals do.  We're explicitly\n * going \"off-spec\" here because it makes `screen` and `tmux` overflow into the\n * local scrollback buffer, which means the scrollbars and shift-pgup/pgdn\n * continue to work as most users would expect.\n *\n * @param {integer} scrollTop The zero-based top of the scroll region.\n * @param {integer} scrollBottom The zero-based bottom of the scroll region,\n *     inclusive.\n */\nhterm.Terminal.prototype.setVTScrollRegion = function(scrollTop, scrollBottom) {\n  if (scrollTop == 0 && scrollBottom == this.screenSize.height - 1) {\n    this.vtScrollTop_ = null;\n    this.vtScrollBottom_ = null;\n  } else {\n    this.vtScrollTop_ = scrollTop;\n    this.vtScrollBottom_ = scrollBottom;\n  }\n};\n\n/**\n * Return the top row index according to the VT.\n *\n * This will return 0 unless the terminal has been told to restrict scrolling\n * to some lower row.  It is used for some VT cursor positioning and scrolling\n * commands.\n *\n * @return {integer} The topmost row in the terminal's scroll region.\n */\nhterm.Terminal.prototype.getVTScrollTop = function() {\n  if (this.vtScrollTop_ != null)\n    return this.vtScrollTop_;\n\n  return 0;\n};\n\n/**\n * Return the bottom row index according to the VT.\n *\n * This will return the height of the terminal unless the it has been told to\n * restrict scrolling to some higher row.  It is used for some VT cursor\n * positioning and scrolling commands.\n *\n * @return {integer} The bottom most row in the terminal's scroll region.\n */\nhterm.Terminal.prototype.getVTScrollBottom = function() {\n  if (this.vtScrollBottom_ != null)\n    return this.vtScrollBottom_;\n\n  return this.screenSize.height - 1;\n}\n\n/**\n * Process a '\\n' character.\n *\n * If the cursor is on the final row of the terminal this will append a new\n * blank row to the screen and scroll the topmost row into the scrollback\n * buffer.\n *\n * Otherwise, this moves the cursor to column zero of the next row.\n */\nhterm.Terminal.prototype.newLine = function() {\n  var cursorAtEndOfScreen = (this.screen_.cursorPosition.row ==\n                             this.screen_.rowsArray.length - 1);\n\n  if (this.vtScrollBottom_ != null) {\n    // A VT Scroll region is active, we never append new rows.\n    if (this.screen_.cursorPosition.row == this.vtScrollBottom_) {\n      // We're at the end of the VT Scroll Region, perform a VT scroll.\n      this.vtScrollUp(1);\n      this.setAbsoluteCursorPosition(this.screen_.cursorPosition.row, 0);\n    } else if (cursorAtEndOfScreen) {\n      // We're at the end of the screen, the only thing to do is put the\n      // cursor to column 0.\n      this.setAbsoluteCursorPosition(this.screen_.cursorPosition.row, 0);\n    } else {\n      // Anywhere else, advance the cursor row, and reset the column.\n      this.setAbsoluteCursorPosition(this.screen_.cursorPosition.row + 1, 0);\n    }\n  } else if (cursorAtEndOfScreen) {\n    // We're at the end of the screen.  Append a new row to the terminal,\n    // shifting the top row into the scrollback.\n    this.appendRows_(1);\n  } else {\n    // Anywhere else in the screen just moves the cursor.\n    this.setAbsoluteCursorPosition(this.screen_.cursorPosition.row + 1, 0);\n  }\n};\n\n/**\n * Like newLine(), except maintain the cursor column.\n */\nhterm.Terminal.prototype.lineFeed = function() {\n  var column = this.screen_.cursorPosition.column;\n  this.newLine();\n  this.setCursorColumn(column);\n};\n\n/**\n * If autoCarriageReturn is set then newLine(), else lineFeed().\n */\nhterm.Terminal.prototype.formFeed = function() {\n  if (this.options_.autoCarriageReturn) {\n    this.newLine();\n  } else {\n    this.lineFeed();\n  }\n};\n\n/**\n * Move the cursor up one row, possibly inserting a blank line.\n *\n * The cursor column is not changed.\n */\nhterm.Terminal.prototype.reverseLineFeed = function() {\n  var scrollTop = this.getVTScrollTop();\n  var currentRow = this.screen_.cursorPosition.row;\n\n  if (currentRow == scrollTop) {\n    this.insertLines(1);\n  } else {\n    this.setAbsoluteCursorRow(currentRow - 1);\n  }\n};\n\n/**\n * Replace all characters to the left of the current cursor with the space\n * character.\n *\n * TODO(rginda): This should probably *remove* the characters (not just replace\n * with a space) if there are no characters at or beyond the current cursor\n * position.\n */\nhterm.Terminal.prototype.eraseToLeft = function() {\n  var cursor = this.saveCursor();\n  this.setCursorColumn(0);\n  this.screen_.overwriteString(lib.f.getWhitespace(cursor.column + 1));\n  this.restoreCursor(cursor);\n};\n\n/**\n * Erase a given number of characters to the right of the cursor.\n *\n * The cursor position is unchanged.\n *\n * If the current background color is not the default background color this\n * will insert spaces rather than delete.  This is unfortunate because the\n * trailing space will affect text selection, but it's difficult to come up\n * with a way to style empty space that wouldn't trip up the hterm.Screen\n * code.\n *\n * eraseToRight is ignored in the presence of a cursor overflow.  This deviates\n * from xterm, but agrees with gnome-terminal and konsole, xfce4-terminal.  See\n * crbug.com/232390 for details.\n *\n * @param {number} opt_count The number of characters to erase.\n */\nhterm.Terminal.prototype.eraseToRight = function(opt_count) {\n  if (this.screen_.cursorPosition.overflow)\n    return;\n\n  var maxCount = this.screenSize.width - this.screen_.cursorPosition.column;\n  var count = opt_count ? Math.min(opt_count, maxCount) : maxCount;\n\n  if (this.screen_.textAttributes.background ===\n      this.screen_.textAttributes.DEFAULT_COLOR) {\n    var cursorRow = this.screen_.rowsArray[this.screen_.cursorPosition.row];\n    if (hterm.TextAttributes.nodeWidth(cursorRow) <=\n        this.screen_.cursorPosition.column + count) {\n      this.screen_.deleteChars(count);\n      this.clearCursorOverflow();\n      return;\n    }\n  }\n\n  var cursor = this.saveCursor();\n  this.screen_.overwriteString(lib.f.getWhitespace(count));\n  this.restoreCursor(cursor);\n  this.clearCursorOverflow();\n};\n\n/**\n * Erase the current line.\n *\n * The cursor position is unchanged.\n */\nhterm.Terminal.prototype.eraseLine = function() {\n  var cursor = this.saveCursor();\n  this.screen_.clearCursorRow();\n  this.restoreCursor(cursor);\n  this.clearCursorOverflow();\n};\n\n/**\n * Erase all characters from the start of the screen to the current cursor\n * position, regardless of scroll region.\n *\n * The cursor position is unchanged.\n */\nhterm.Terminal.prototype.eraseAbove = function() {\n  var cursor = this.saveCursor();\n\n  this.eraseToLeft();\n\n  for (var i = 0; i < cursor.row; i++) {\n    this.setAbsoluteCursorPosition(i, 0);\n    this.screen_.clearCursorRow();\n  }\n\n  this.restoreCursor(cursor);\n  this.clearCursorOverflow();\n};\n\n/**\n * Erase all characters from the current cursor position to the end of the\n * screen, regardless of scroll region.\n *\n * The cursor position is unchanged.\n */\nhterm.Terminal.prototype.eraseBelow = function() {\n  var cursor = this.saveCursor();\n\n  this.eraseToRight();\n\n  var bottom = this.screenSize.height - 1;\n  for (var i = cursor.row + 1; i <= bottom; i++) {\n    this.setAbsoluteCursorPosition(i, 0);\n    this.screen_.clearCursorRow();\n  }\n\n  this.restoreCursor(cursor);\n  this.clearCursorOverflow();\n};\n\n/**\n * Fill the terminal with a given character.\n *\n * This methods does not respect the VT scroll region.\n *\n * @param {string} ch The character to use for the fill.\n */\nhterm.Terminal.prototype.fill = function(ch) {\n  var cursor = this.saveCursor();\n\n  this.setAbsoluteCursorPosition(0, 0);\n  for (var row = 0; row < this.screenSize.height; row++) {\n    for (var col = 0; col < this.screenSize.width; col++) {\n      this.setAbsoluteCursorPosition(row, col);\n      this.screen_.overwriteString(ch);\n    }\n  }\n\n  this.restoreCursor(cursor);\n};\n\n/**\n * Erase the entire display and leave the cursor at (0, 0).\n *\n * This does not respect the scroll region.\n *\n * @param {hterm.Screen} opt_screen Optional screen to operate on.  Defaults\n *     to the current screen.\n */\nhterm.Terminal.prototype.clearHome = function(opt_screen) {\n  var screen = opt_screen || this.screen_;\n  var bottom = screen.getHeight();\n\n  if (bottom == 0) {\n    // Empty screen, nothing to do.\n    return;\n  }\n\n  for (var i = 0; i < bottom; i++) {\n    screen.setCursorPosition(i, 0);\n    screen.clearCursorRow();\n  }\n\n  screen.setCursorPosition(0, 0);\n};\n\n/**\n * Erase the entire display without changing the cursor position.\n *\n * The cursor position is unchanged.  This does not respect the scroll\n * region.\n *\n * @param {hterm.Screen} opt_screen Optional screen to operate on.  Defaults\n *     to the current screen.\n */\nhterm.Terminal.prototype.clear = function(opt_screen) {\n  var screen = opt_screen || this.screen_;\n  var cursor = screen.cursorPosition.clone();\n  this.clearHome(screen);\n  screen.setCursorPosition(cursor.row, cursor.column);\n};\n\n/**\n * VT command to insert lines at the current cursor row.\n *\n * This respects the current scroll region.  Rows pushed off the bottom are\n * lost (they won't show up in the scrollback buffer).\n *\n * @param {integer} count The number of lines to insert.\n */\nhterm.Terminal.prototype.insertLines = function(count) {\n  var cursorRow = this.screen_.cursorPosition.row;\n\n  var bottom = this.getVTScrollBottom();\n  count = Math.min(count, bottom - cursorRow);\n\n  // The moveCount is the number of rows we need to relocate to make room for\n  // the new row(s).  The count is the distance to move them.\n  var moveCount = bottom - cursorRow - count + 1;\n  if (moveCount)\n    this.moveRows_(cursorRow, moveCount, cursorRow + count);\n\n  for (var i = count - 1; i >= 0; i--) {\n    this.setAbsoluteCursorPosition(cursorRow + i, 0);\n    this.screen_.clearCursorRow();\n  }\n};\n\n/**\n * VT command to delete lines at the current cursor row.\n *\n * New rows are added to the bottom of scroll region to take their place.  New\n * rows are strictly there to take up space and have no content or style.\n *\n * @param {number} count The number of lines to delete.\n */\nhterm.Terminal.prototype.deleteLines = function(count) {\n  var cursor = this.saveCursor();\n\n  var top = cursor.row;\n  var bottom = this.getVTScrollBottom();\n\n  var maxCount = bottom - top + 1;\n  count = Math.min(count, maxCount);\n\n  var moveStart = bottom - count + 1;\n  if (count != maxCount)\n    this.moveRows_(top, count, moveStart);\n\n  for (var i = 0; i < count; i++) {\n    this.setAbsoluteCursorPosition(moveStart + i, 0);\n    this.screen_.clearCursorRow();\n  }\n\n  this.restoreCursor(cursor);\n  this.clearCursorOverflow();\n};\n\n/**\n * Inserts the given number of spaces at the current cursor position.\n *\n * The cursor position is not changed.\n *\n * @param {number} count The number of spaces to insert.\n */\nhterm.Terminal.prototype.insertSpace = function(count) {\n  var cursor = this.saveCursor();\n\n  var ws = lib.f.getWhitespace(count || 1);\n  this.screen_.insertString(ws);\n  this.screen_.maybeClipCurrentRow();\n\n  this.restoreCursor(cursor);\n  this.clearCursorOverflow();\n};\n\n/**\n * Forward-delete the specified number of characters starting at the cursor\n * position.\n *\n * @param {integer} count The number of characters to delete.\n */\nhterm.Terminal.prototype.deleteChars = function(count) {\n  var deleted = this.screen_.deleteChars(count);\n  if (deleted && !this.screen_.textAttributes.isDefault()) {\n    var cursor = this.saveCursor();\n    this.setCursorColumn(this.screenSize.width - deleted);\n    this.screen_.insertString(lib.f.getWhitespace(deleted));\n    this.restoreCursor(cursor);\n  }\n\n  this.clearCursorOverflow();\n};\n\n/**\n * Shift rows in the scroll region upwards by a given number of lines.\n *\n * New rows are inserted at the bottom of the scroll region to fill the\n * vacated rows.  The new rows not filled out with the current text attributes.\n *\n * This function does not affect the scrollback rows at all.  Rows shifted\n * off the top are lost.\n *\n * The cursor position is not altered.\n *\n * @param {integer} count The number of rows to scroll.\n */\nhterm.Terminal.prototype.vtScrollUp = function(count) {\n  var cursor = this.saveCursor();\n\n  this.setAbsoluteCursorRow(this.getVTScrollTop());\n  this.deleteLines(count);\n\n  this.restoreCursor(cursor);\n};\n\n/**\n * Shift rows below the cursor down by a given number of lines.\n *\n * This function respects the current scroll region.\n *\n * New rows are inserted at the top of the scroll region to fill the\n * vacated rows.  The new rows not filled out with the current text attributes.\n *\n * This function does not affect the scrollback rows at all.  Rows shifted\n * off the bottom are lost.\n *\n * @param {integer} count The number of rows to scroll.\n */\nhterm.Terminal.prototype.vtScrollDown = function(opt_count) {\n  var cursor = this.saveCursor();\n\n  this.setAbsoluteCursorPosition(this.getVTScrollTop(), 0);\n  this.insertLines(opt_count);\n\n  this.restoreCursor(cursor);\n};\n\n\n/**\n * Set the cursor position.\n *\n * The cursor row is relative to the scroll region if the terminal has\n * 'origin mode' enabled, or relative to the addressable screen otherwise.\n *\n * @param {integer} row The new zero-based cursor row.\n * @param {integer} row The new zero-based cursor column.\n */\nhterm.Terminal.prototype.setCursorPosition = function(row, column) {\n  if (this.options_.originMode) {\n    this.setRelativeCursorPosition(row, column);\n  } else {\n    this.setAbsoluteCursorPosition(row, column);\n  }\n};\n\n/**\n * Move the cursor relative to its current position.\n *\n * @param {number} row\n * @param {number} column\n */\nhterm.Terminal.prototype.setRelativeCursorPosition = function(row, column) {\n  var scrollTop = this.getVTScrollTop();\n  row = lib.f.clamp(row + scrollTop, scrollTop, this.getVTScrollBottom());\n  column = lib.f.clamp(column, 0, this.screenSize.width - 1);\n  this.screen_.setCursorPosition(row, column);\n};\n\n/**\n * Move the cursor to the specified position.\n *\n * @param {number} row\n * @param {number} column\n */\nhterm.Terminal.prototype.setAbsoluteCursorPosition = function(row, column) {\n  row = lib.f.clamp(row, 0, this.screenSize.height - 1);\n  column = lib.f.clamp(column, 0, this.screenSize.width - 1);\n  this.screen_.setCursorPosition(row, column);\n};\n\n/**\n * Set the cursor column.\n *\n * @param {integer} column The new zero-based cursor column.\n */\nhterm.Terminal.prototype.setCursorColumn = function(column) {\n  this.setAbsoluteCursorPosition(this.screen_.cursorPosition.row, column);\n};\n\n/**\n * Return the cursor column.\n *\n * @return {integer} The zero-based cursor column.\n */\nhterm.Terminal.prototype.getCursorColumn = function() {\n  return this.screen_.cursorPosition.column;\n};\n\n/**\n * Set the cursor row.\n *\n * The cursor row is relative to the scroll region if the terminal has\n * 'origin mode' enabled, or relative to the addressable screen otherwise.\n *\n * @param {integer} row The new cursor row.\n */\nhterm.Terminal.prototype.setAbsoluteCursorRow = function(row) {\n  this.setAbsoluteCursorPosition(row, this.screen_.cursorPosition.column);\n};\n\n/**\n * Return the cursor row.\n *\n * @return {integer} The zero-based cursor row.\n */\nhterm.Terminal.prototype.getCursorRow = function() {\n  return this.screen_.cursorPosition.row;\n};\n\n/**\n * Request that the ScrollPort redraw itself soon.\n *\n * The redraw will happen asynchronously, soon after the call stack winds down.\n * Multiple calls will be coalesced into a single redraw.\n */\nhterm.Terminal.prototype.scheduleRedraw_ = function() {\n  if (this.timeouts_.redraw)\n    return;\n\n  var self = this;\n  this.timeouts_.redraw = setTimeout(function() {\n      delete self.timeouts_.redraw;\n      self.scrollPort_.redraw_();\n    }, 0);\n};\n\n/**\n * Request that the ScrollPort be scrolled to the bottom.\n *\n * The scroll will happen asynchronously, soon after the call stack winds down.\n * Multiple calls will be coalesced into a single scroll.\n *\n * This affects the scrollbar position of the ScrollPort, and has nothing to\n * do with the VT scroll commands.\n */\nhterm.Terminal.prototype.scheduleScrollDown_ = function() {\n  if (this.timeouts_.scrollDown)\n    return;\n\n  var self = this;\n  this.timeouts_.scrollDown = setTimeout(function() {\n      delete self.timeouts_.scrollDown;\n      self.scrollPort_.scrollRowToBottom(self.getRowCount());\n    }, 10);\n};\n\n/**\n * Move the cursor up a specified number of rows.\n *\n * @param {integer} count The number of rows to move the cursor.\n */\nhterm.Terminal.prototype.cursorUp = function(count) {\n  return this.cursorDown(-(count || 1));\n};\n\n/**\n * Move the cursor down a specified number of rows.\n *\n * @param {integer} count The number of rows to move the cursor.\n */\nhterm.Terminal.prototype.cursorDown = function(count) {\n  count = count || 1;\n  var minHeight = (this.options_.originMode ? this.getVTScrollTop() : 0);\n  var maxHeight = (this.options_.originMode ? this.getVTScrollBottom() :\n                   this.screenSize.height - 1);\n\n  var row = lib.f.clamp(this.screen_.cursorPosition.row + count,\n                        minHeight, maxHeight);\n  this.setAbsoluteCursorRow(row);\n};\n\n/**\n * Move the cursor left a specified number of columns.\n *\n * If reverse wraparound mode is enabled and the previous row wrapped into\n * the current row then we back up through the wraparound as well.\n *\n * @param {integer} count The number of columns to move the cursor.\n */\nhterm.Terminal.prototype.cursorLeft = function(count) {\n  count = count || 1;\n\n  if (count < 1)\n    return;\n\n  var currentColumn = this.screen_.cursorPosition.column;\n  if (this.options_.reverseWraparound) {\n    if (this.screen_.cursorPosition.overflow) {\n      // If this cursor is in the right margin, consume one count to get it\n      // back to the last column.  This only applies when we're in reverse\n      // wraparound mode.\n      count--;\n      this.clearCursorOverflow();\n\n      if (!count)\n        return;\n    }\n\n    var newRow = this.screen_.cursorPosition.row;\n    var newColumn = currentColumn - count;\n    if (newColumn < 0) {\n      newRow = newRow - Math.floor(count / this.screenSize.width) - 1;\n      if (newRow < 0) {\n        // xterm also wraps from row 0 to the last row.\n        newRow = this.screenSize.height + newRow % this.screenSize.height;\n      }\n      newColumn = this.screenSize.width + newColumn % this.screenSize.width;\n    }\n\n    this.setCursorPosition(Math.max(newRow, 0), newColumn);\n\n  } else {\n    var newColumn = Math.max(currentColumn - count, 0);\n    this.setCursorColumn(newColumn);\n  }\n};\n\n/**\n * Move the cursor right a specified number of columns.\n *\n * @param {integer} count The number of columns to move the cursor.\n */\nhterm.Terminal.prototype.cursorRight = function(count) {\n  count = count || 1;\n\n  if (count < 1)\n    return;\n\n  var column = lib.f.clamp(this.screen_.cursorPosition.column + count,\n                           0, this.screenSize.width - 1);\n  this.setCursorColumn(column);\n};\n\n/**\n * Reverse the foreground and background colors of the terminal.\n *\n * This only affects text that was drawn with no attributes.\n *\n * TODO(rginda): Test xterm to see if reverse is respected for text that has\n * been drawn with attributes that happen to coincide with the default\n * 'no-attribute' colors.  My guess is probably not.\n *\n * @param {boolean} state The state to set.\n */\nhterm.Terminal.prototype.setReverseVideo = function(state) {\n  this.options_.reverseVideo = state;\n  if (state) {\n    this.scrollPort_.setForegroundColor(this.prefs_.get('background-color'));\n    this.scrollPort_.setBackgroundColor(this.prefs_.get('foreground-color'));\n  } else {\n    this.scrollPort_.setForegroundColor(this.prefs_.get('foreground-color'));\n    this.scrollPort_.setBackgroundColor(this.prefs_.get('background-color'));\n  }\n};\n\n/**\n * Ring the terminal bell.\n *\n * This will not play the bell audio more than once per second.\n */\nhterm.Terminal.prototype.ringBell = function() {\n  this.cursorNode_.style.backgroundColor =\n      this.scrollPort_.getForegroundColor();\n\n  var self = this;\n  setTimeout(function() {\n      self.cursorNode_.style.backgroundColor = self.prefs_.get('cursor-color');\n    }, 200);\n\n  // bellSquelchTimeout_ affects both audio and notification bells.\n  if (this.bellSquelchTimeout_)\n    return;\n\n  if (this.bellAudio_.getAttribute('src')) {\n    this.bellAudio_.play();\n    this.bellSequelchTimeout_ = setTimeout(function() {\n        delete this.bellSquelchTimeout_;\n      }.bind(this), 500);\n  } else {\n    delete this.bellSquelchTimeout_;\n  }\n\n  if (this.desktopNotificationBell_ && !this.document_.hasFocus()) {\n    var n = hterm.notify();\n    this.bellNotificationList_.push(n);\n    // TODO: Should we try to raise the window here?\n    n.onclick = function() { self.closeBellNotifications_(); };\n  }\n};\n\n/**\n * Set the origin mode bit.\n *\n * If origin mode is on, certain VT cursor and scrolling commands measure their\n * row parameter relative to the VT scroll region.  Otherwise, row 0 corresponds\n * to the top of the addressable screen.\n *\n * Defaults to off.\n *\n * @param {boolean} state True to set origin mode, false to unset.\n */\nhterm.Terminal.prototype.setOriginMode = function(state) {\n  this.options_.originMode = state;\n  this.setCursorPosition(0, 0);\n};\n\n/**\n * Set the insert mode bit.\n *\n * If insert mode is on, existing text beyond the cursor position will be\n * shifted right to make room for new text.  Otherwise, new text overwrites\n * any existing text.\n *\n * Defaults to off.\n *\n * @param {boolean} state True to set insert mode, false to unset.\n */\nhterm.Terminal.prototype.setInsertMode = function(state) {\n  this.options_.insertMode = state;\n};\n\n/**\n * Set the auto carriage return bit.\n *\n * If auto carriage return is on then a formfeed character is interpreted\n * as a newline, otherwise it's the same as a linefeed.  The difference boils\n * down to whether or not the cursor column is reset.\n *\n * @param {boolean} state The state to set.\n */\nhterm.Terminal.prototype.setAutoCarriageReturn = function(state) {\n  this.options_.autoCarriageReturn = state;\n};\n\n/**\n * Set the wraparound mode bit.\n *\n * If wraparound mode is on, certain VT commands will allow the cursor to wrap\n * to the start of the following row.  Otherwise, the cursor is clamped to the\n * end of the screen and attempts to write past it are ignored.\n *\n * Defaults to on.\n *\n * @param {boolean} state True to set wraparound mode, false to unset.\n */\nhterm.Terminal.prototype.setWraparound = function(state) {\n  this.options_.wraparound = state;\n};\n\n/**\n * Set the reverse-wraparound mode bit.\n *\n * If wraparound mode is off, certain VT commands will allow the cursor to wrap\n * to the end of the previous row.  Otherwise, the cursor is clamped to column\n * 0.\n *\n * Defaults to off.\n *\n * @param {boolean} state True to set reverse-wraparound mode, false to unset.\n */\nhterm.Terminal.prototype.setReverseWraparound = function(state) {\n  this.options_.reverseWraparound = state;\n};\n\n/**\n * Selects between the primary and alternate screens.\n *\n * If alternate mode is on, the alternate screen is active.  Otherwise the\n * primary screen is active.\n *\n * Swapping screens has no effect on the scrollback buffer.\n *\n * Each screen maintains its own cursor position.\n *\n * Defaults to off.\n *\n * @param {boolean} state True to set alternate mode, false to unset.\n */\nhterm.Terminal.prototype.setAlternateMode = function(state) {\n  var cursor = this.saveCursor();\n  this.screen_ = state ? this.alternateScreen_ : this.primaryScreen_;\n\n  if (this.screen_.rowsArray.length &&\n      this.screen_.rowsArray[0].rowIndex != this.scrollbackRows_.length) {\n    // If the screen changed sizes while we were away, our rowIndexes may\n    // be incorrect.\n    var offset = this.scrollbackRows_.length;\n    var ary = this.screen_.rowsArray;\n    for (var i = 0; i < ary.length; i++) {\n      ary[i].rowIndex = offset + i;\n    }\n  }\n\n  this.realizeWidth_(this.screenSize.width);\n  this.realizeHeight_(this.screenSize.height);\n  this.scrollPort_.syncScrollHeight();\n  this.scrollPort_.invalidate();\n\n  this.restoreCursor(cursor);\n  this.scrollPort_.resize();\n};\n\n/**\n * Set the cursor-blink mode bit.\n *\n * If cursor-blink is on, the cursor will blink when it is visible.  Otherwise\n * a visible cursor does not blink.\n *\n * You should make sure to turn blinking off if you're going to dispose of a\n * terminal, otherwise you'll leak a timeout.\n *\n * Defaults to on.\n *\n * @param {boolean} state True to set cursor-blink mode, false to unset.\n */\nhterm.Terminal.prototype.setCursorBlink = function(state) {\n  this.options_.cursorBlink = state;\n\n  if (!state && this.timeouts_.cursorBlink) {\n    clearTimeout(this.timeouts_.cursorBlink);\n    delete this.timeouts_.cursorBlink;\n  }\n\n  if (this.options_.cursorVisible)\n    this.setCursorVisible(true);\n};\n\n/**\n * Set the cursor-visible mode bit.\n *\n * If cursor-visible is on, the cursor will be visible.  Otherwise it will not.\n *\n * Defaults to on.\n *\n * @param {boolean} state True to set cursor-visible mode, false to unset.\n */\nhterm.Terminal.prototype.setCursorVisible = function(state) {\n  this.options_.cursorVisible = state;\n\n  if (!state) {\n    if (this.timeouts_.cursorBlink) {\n      clearTimeout(this.timeouts_.cursorBlink);\n      delete this.timeouts_.cursorBlink;\n    }\n    this.cursorNode_.style.opacity = '0';\n    return;\n  }\n\n  this.syncCursorPosition_();\n\n  this.cursorNode_.style.opacity = '1';\n\n  if (this.options_.cursorBlink) {\n    if (this.timeouts_.cursorBlink)\n      return;\n\n    this.onCursorBlink_();\n  } else {\n    if (this.timeouts_.cursorBlink) {\n      clearTimeout(this.timeouts_.cursorBlink);\n      delete this.timeouts_.cursorBlink;\n    }\n  }\n};\n\n/**\n * Synchronizes the visible cursor and document selection with the current\n * cursor coordinates.\n */\nhterm.Terminal.prototype.syncCursorPosition_ = function() {\n  var topRowIndex = this.scrollPort_.getTopRowIndex();\n  var bottomRowIndex = this.scrollPort_.getBottomRowIndex(topRowIndex);\n  var cursorRowIndex = this.scrollbackRows_.length +\n      this.screen_.cursorPosition.row;\n\n  if (cursorRowIndex > bottomRowIndex) {\n    // Cursor is scrolled off screen, move it outside of the visible area.\n    this.setCssVar('cursor-offset-row', '-1');\n    return;\n  }\n\n  if (this.options_.cursorVisible &&\n      this.cursorNode_.style.display == 'none') {\n    // Re-display the terminal cursor if it was hidden by the mouse cursor.\n    this.cursorNode_.style.display = '';\n  }\n\n  // Position the cursor using CSS variable math.  If we do the math in JS,\n  // the float math will end up being more precise than the CSS which will\n  // cause the cursor tracking to be off.\n  this.setCssVar(\n      'cursor-offset-row',\n      `${cursorRowIndex - topRowIndex} + ` +\n      `${this.scrollPort_.visibleRowTopMargin}px`);\n  this.setCssVar('cursor-offset-col', this.screen_.cursorPosition.column);\n\n  this.cursorNode_.setAttribute('title',\n                                '(' + this.screen_.cursorPosition.column +\n                                ', ' + this.screen_.cursorPosition.row +\n                                ')');\n\n  // Update the caret for a11y purposes.\n  var selection = this.document_.getSelection();\n  if (selection && selection.isCollapsed)\n    this.screen_.syncSelectionCaret(selection);\n};\n\n/**\n * Adjusts the style of this.cursorNode_ according to the current cursor shape\n * and character cell dimensions.\n */\nhterm.Terminal.prototype.restyleCursor_ = function() {\n  var shape = this.cursorShape_;\n\n  if (this.cursorNode_.getAttribute('focus') == 'false') {\n    // Always show a block cursor when unfocused.\n    shape = hterm.Terminal.cursorShape.BLOCK;\n  }\n\n  var style = this.cursorNode_.style;\n\n  switch (shape) {\n    case hterm.Terminal.cursorShape.BEAM:\n      style.height = 'var(--hterm-charsize-height)';\n      style.backgroundColor = 'transparent';\n      style.borderBottomStyle = null;\n      style.borderLeftStyle = 'solid';\n      break;\n\n    case hterm.Terminal.cursorShape.UNDERLINE:\n      style.height = this.scrollPort_.characterSize.baseline + 'px';\n      style.backgroundColor = 'transparent';\n      style.borderBottomStyle = 'solid';\n      // correct the size to put it exactly at the baseline\n      style.borderLeftStyle = null;\n      break;\n\n    default:\n      style.height = 'var(--hterm-charsize-height)';\n      style.backgroundColor = this.cursorColor_;\n      style.borderBottomStyle = null;\n      style.borderLeftStyle = null;\n      break;\n  }\n};\n\n/**\n * Synchronizes the visible cursor with the current cursor coordinates.\n *\n * The sync will happen asynchronously, soon after the call stack winds down.\n * Multiple calls will be coalesced into a single sync.\n */\nhterm.Terminal.prototype.scheduleSyncCursorPosition_ = function() {\n  if (this.timeouts_.syncCursor)\n    return;\n\n  var self = this;\n  this.timeouts_.syncCursor = setTimeout(function() {\n      self.syncCursorPosition_();\n      delete self.timeouts_.syncCursor;\n    }, 0);\n};\n\n/**\n * Show or hide the zoom warning.\n *\n * The zoom warning is a message warning the user that their browser zoom must\n * be set to 100% in order for hterm to function properly.\n *\n * @param {boolean} state True to show the message, false to hide it.\n */\nhterm.Terminal.prototype.showZoomWarning_ = function(state) {\n  if (!this.zoomWarningNode_) {\n    if (!state)\n      return;\n\n    this.zoomWarningNode_ = this.document_.createElement('div');\n    this.zoomWarningNode_.id = 'hterm:zoom-warning';\n    this.zoomWarningNode_.style.cssText = (\n        'color: black;' +\n        'background-color: #ff2222;' +\n        'font-size: large;' +\n        'border-radius: 8px;' +\n        'opacity: 0.75;' +\n        'padding: 0.2em 0.5em 0.2em 0.5em;' +\n        'top: 0.5em;' +\n        'right: 1.2em;' +\n        'position: absolute;' +\n        '-webkit-text-size-adjust: none;' +\n        '-webkit-user-select: none;' +\n        '-moz-text-size-adjust: none;' +\n        '-moz-user-select: none;');\n\n    this.zoomWarningNode_.addEventListener('click', function(e) {\n      this.parentNode.removeChild(this);\n    });\n  }\n\n  this.zoomWarningNode_.textContent = lib.MessageManager.replaceReferences(\n      hterm.zoomWarningMessage,\n      [parseInt(this.scrollPort_.characterSize.zoomFactor * 100)]);\n\n  this.zoomWarningNode_.style.fontFamily = this.prefs_.get('font-family');\n\n  if (state) {\n    if (!this.zoomWarningNode_.parentNode)\n      this.div_.parentNode.appendChild(this.zoomWarningNode_);\n  } else if (this.zoomWarningNode_.parentNode) {\n    this.zoomWarningNode_.parentNode.removeChild(this.zoomWarningNode_);\n  }\n};\n\n/**\n * Show the terminal overlay for a given amount of time.\n *\n * The terminal overlay appears in inverse video in a large font, centered\n * over the terminal.  You should probably keep the overlay message brief,\n * since it's in a large font and you probably aren't going to check the size\n * of the terminal first.\n *\n * @param {string} msg The text (not HTML) message to display in the overlay.\n * @param {number} opt_timeout The amount of time to wait before fading out\n *     the overlay.  Defaults to 1.5 seconds.  Pass null to have the overlay\n *     stay up forever (or until the next overlay).\n */\nhterm.Terminal.prototype.showOverlay = function(msg, opt_timeout) {\n  if (!this.overlayNode_) {\n    if (!this.div_)\n      return;\n\n    this.overlayNode_ = this.document_.createElement('div');\n    this.overlayNode_.style.cssText = (\n        'border-radius: 15px;' +\n        'font-size: xx-large;' +\n        'opacity: 0.75;' +\n        'padding: 0.2em 0.5em 0.2em 0.5em;' +\n        'position: absolute;' +\n        '-webkit-user-select: none;' +\n        '-webkit-transition: opacity 180ms ease-in;' +\n        '-moz-user-select: none;' +\n        '-moz-transition: opacity 180ms ease-in;');\n\n    this.overlayNode_.addEventListener('mousedown', function(e) {\n      e.preventDefault();\n      e.stopPropagation();\n    }, true);\n  }\n\n  this.overlayNode_.style.color = this.prefs_.get('background-color');\n  this.overlayNode_.style.backgroundColor = this.prefs_.get('foreground-color');\n  this.overlayNode_.style.fontFamily = this.prefs_.get('font-family');\n\n  this.overlayNode_.textContent = msg;\n  this.overlayNode_.style.opacity = '0.75';\n\n  if (!this.overlayNode_.parentNode)\n    this.div_.appendChild(this.overlayNode_);\n\n  var divSize = hterm.getClientSize(this.div_);\n  var overlaySize = hterm.getClientSize(this.overlayNode_);\n\n  this.overlayNode_.style.top =\n      (divSize.height - overlaySize.height) / 2 + 'px';\n  this.overlayNode_.style.left = (divSize.width - overlaySize.width -\n      this.scrollPort_.currentScrollbarWidthPx) / 2 + 'px';\n\n  var self = this;\n\n  if (this.overlayTimeout_)\n    clearTimeout(this.overlayTimeout_);\n\n  if (opt_timeout === null)\n    return;\n\n  this.overlayTimeout_ = setTimeout(function() {\n      self.overlayNode_.style.opacity = '0';\n      self.overlayTimeout_ = setTimeout(function() {\n          if (self.overlayNode_.parentNode)\n            self.overlayNode_.parentNode.removeChild(self.overlayNode_);\n          self.overlayTimeout_ = null;\n          self.overlayNode_.style.opacity = '0.75';\n        }, 200);\n    }, opt_timeout || 1500);\n};\n\n/**\n * Paste from the system clipboard to the terminal.\n */\nhterm.Terminal.prototype.paste = function() {\n  return hterm.pasteFromClipboard(this.document_);\n};\n\n/**\n * Copy a string to the system clipboard.\n *\n * Note: If there is a selected range in the terminal, it'll be cleared.\n *\n * @param {string} str The string to copy.\n */\nhterm.Terminal.prototype.copyStringToClipboard = function(str) {\n  if (this.prefs_.get('enable-clipboard-notice'))\n    setTimeout(this.showOverlay.bind(this, hterm.notifyCopyMessage, 500), 200);\n\n  var copySource = this.document_.createElement('pre');\n  copySource.id = 'hterm:copy-to-clipboard-source';\n  copySource.textContent = str;\n  copySource.style.cssText = (\n      '-webkit-user-select: text;' +\n      '-moz-user-select: text;' +\n      'position: absolute;' +\n      'top: -99px');\n\n  this.document_.body.appendChild(copySource);\n\n  var selection = this.document_.getSelection();\n  var anchorNode = selection.anchorNode;\n  var anchorOffset = selection.anchorOffset;\n  var focusNode = selection.focusNode;\n  var focusOffset = selection.focusOffset;\n\n  selection.selectAllChildren(copySource);\n\n  hterm.copySelectionToClipboard(this.document_);\n\n  // IE doesn't support selection.extend. This means that the selection\n  // won't return on IE.\n  if (selection.extend) {\n    selection.collapse(anchorNode, anchorOffset);\n    selection.extend(focusNode, focusOffset);\n  }\n\n  copySource.parentNode.removeChild(copySource);\n};\n\n/**\n * Returns the selected text, or null if no text is selected.\n *\n * @return {string|null}\n */\nhterm.Terminal.prototype.getSelectionText = function() {\n  var selection = this.scrollPort_.selection;\n  selection.sync();\n\n  if (selection.isCollapsed)\n    return null;\n\n\n  // Start offset measures from the beginning of the line.\n  var startOffset = selection.startOffset;\n  var node = selection.startNode;\n\n  if (node.nodeName != 'X-ROW') {\n    // If the selection doesn't start on an x-row node, then it must be\n    // somewhere inside the x-row.  Add any characters from previous siblings\n    // into the start offset.\n\n    if (node.nodeName == '#text' && node.parentNode.nodeName == 'SPAN') {\n      // If node is the text node in a styled span, move up to the span node.\n      node = node.parentNode;\n    }\n\n    while (node.previousSibling) {\n      node = node.previousSibling;\n      startOffset += hterm.TextAttributes.nodeWidth(node);\n    }\n  }\n\n  // End offset measures from the end of the line.\n  var endOffset = (hterm.TextAttributes.nodeWidth(selection.endNode) -\n                   selection.endOffset);\n  node = selection.endNode;\n\n  if (node.nodeName != 'X-ROW') {\n    // If the selection doesn't end on an x-row node, then it must be\n    // somewhere inside the x-row.  Add any characters from following siblings\n    // into the end offset.\n\n    if (node.nodeName == '#text' && node.parentNode.nodeName == 'SPAN') {\n      // If node is the text node in a styled span, move up to the span node.\n      node = node.parentNode;\n    }\n\n    while (node.nextSibling) {\n      node = node.nextSibling;\n      endOffset += hterm.TextAttributes.nodeWidth(node);\n    }\n  }\n\n  var rv = this.getRowsText(selection.startRow.rowIndex,\n                            selection.endRow.rowIndex + 1);\n  return lib.wc.substring(rv, startOffset, lib.wc.strWidth(rv) - endOffset);\n};\n\n/**\n * Copy the current selection to the system clipboard, then clear it after a\n * short delay.\n */\nhterm.Terminal.prototype.copySelectionToClipboard = function() {\n  var text = this.getSelectionText();\n  if (text != null)\n    this.copyStringToClipboard(text);\n};\n\nhterm.Terminal.prototype.overlaySize = function() {\n  this.showOverlay(this.screenSize.width + 'x' + this.screenSize.height);\n};\n\n/**\n * Invoked by hterm.Terminal.Keyboard when a VT keystroke is detected.\n *\n * @param {string} string The VT string representing the keystroke, in UTF-16.\n */\nhterm.Terminal.prototype.onVTKeystroke = function(string) {\n  if (this.scrollOnKeystroke_)\n    this.scrollPort_.scrollRowToBottom(this.getRowCount());\n\n  this.io.onVTKeystroke(this.keyboard.encode(string));\n};\n\n/**\n * Launches url in a new tab.\n *\n * @param {string} url URL to launch in a new tab.\n */\nhterm.Terminal.prototype.openUrl = function(url) {\n  if (window.chrome && window.chrome.browser) {\n    // For Chrome v2 apps, we need to use this API to properly open windows.\n    chrome.browser.openTab({'url': url});\n  } else {\n    var win = window.open(url, '_blank');\n    win.focus();\n  }\n}\n\n/**\n * Open the selected url.\n */\nhterm.Terminal.prototype.openSelectedUrl_ = function() {\n  var str = this.getSelectionText();\n\n  // If there is no selection, try and expand wherever they clicked.\n  if (str == null) {\n    this.screen_.expandSelection(this.document_.getSelection());\n    str = this.getSelectionText();\n\n    // If clicking in empty space, return.\n    if (str == null)\n      return;\n  }\n\n  // Make sure URL is valid before opening.\n  if (str.length > 2048 || str.search(/[\\s\\[\\](){}<>\"'\\\\^`]/) >= 0)\n    return;\n\n  // If the URI isn't anchored, it'll open relative to the extension.\n  // We have no way of knowing the correct schema, so assume http.\n  if (str.search('^[a-zA-Z][a-zA-Z0-9+.-]*://') < 0) {\n    // We have to whitelist a few protocols that lack authorities and thus\n    // never use the //.  Like mailto.\n    switch (str.split(':', 1)[0]) {\n      case 'mailto':\n        break;\n      default:\n        str = 'http://' + str;\n        break;\n    }\n  }\n\n  this.openUrl(str);\n}\n\n\n/**\n * Add the terminalRow and terminalColumn properties to mouse events and\n * then forward on to onMouse().\n *\n * The terminalRow and terminalColumn properties contain the (row, column)\n * coordinates for the mouse event.\n *\n * @param {Event} e The mouse event to handle.\n */\nhterm.Terminal.prototype.onMouse_ = function(e) {\n  if (e.processedByTerminalHandler_) {\n    // We register our event handlers on the document, as well as the cursor\n    // and the scroll blocker.  Mouse events that occur on the cursor or\n    // scroll blocker will also appear on the document, but we don't want to\n    // process them twice.\n    //\n    // We can't just prevent bubbling because that has other side effects, so\n    // we decorate the event object with this property instead.\n    return;\n  }\n\n  var reportMouseEvents = (!this.defeatMouseReports_ &&\n      this.vt.mouseReport != this.vt.MOUSE_REPORT_DISABLED);\n\n  e.processedByTerminalHandler_ = true;\n\n  // One based row/column stored on the mouse event.\n  e.terminalRow = parseInt((e.clientY - this.scrollPort_.visibleRowTopMargin) /\n                           this.scrollPort_.characterSize.height) + 1;\n  e.terminalColumn = parseInt(e.clientX /\n                              this.scrollPort_.characterSize.width) + 1;\n\n  if (e.type == 'mousedown' && e.terminalColumn > this.screenSize.width) {\n    // Mousedown in the scrollbar area.\n    return;\n  }\n\n  if (this.options_.cursorVisible && !reportMouseEvents) {\n    // If the cursor is visible and we're not sending mouse events to the\n    // host app, then we want to hide the terminal cursor when the mouse\n    // cursor is over top.  This keeps the terminal cursor from interfering\n    // with local text selection.\n    if (e.terminalRow - 1 == this.screen_.cursorPosition.row &&\n        e.terminalColumn - 1 == this.screen_.cursorPosition.column) {\n      this.cursorNode_.style.display = 'none';\n    } else if (this.cursorNode_.style.display == 'none') {\n      this.cursorNode_.style.display = '';\n    }\n  }\n\n  if (e.type == 'mousedown') {\n    if (e.altKey || !reportMouseEvents) {\n      // If VT mouse reporting is disabled, or has been defeated with\n      // alt-mousedown, then the mouse will act on the local selection.\n      this.defeatMouseReports_ = true;\n      this.setSelectionEnabled(true);\n    } else {\n      // Otherwise we defer ownership of the mouse to the VT.\n      this.defeatMouseReports_ = false;\n      this.document_.getSelection().collapseToEnd();\n      this.setSelectionEnabled(false);\n      e.preventDefault();\n    }\n  }\n\n  if (!reportMouseEvents) {\n    if (e.type == 'dblclick' && this.copyOnSelect) {\n      this.screen_.expandSelection(this.document_.getSelection());\n      this.copySelectionToClipboard(this.document_);\n    }\n\n    if (e.type == 'click' && !e.shiftKey && (e.ctrlKey || e.metaKey)) {\n      // Debounce this event with the dblclick event.  If you try to doubleclick\n      // a URL to open it, Chrome will fire click then dblclick, but we won't\n      // have expanded the selection text at the first click event.\n      clearTimeout(this.timeouts_.openUrl);\n      this.timeouts_.openUrl = setTimeout(this.openSelectedUrl_.bind(this),\n                                          500);\n      return;\n    }\n\n    if (e.type == 'mousedown') {\n      if ((this.mouseRightClickPaste && e.button == 2 /* right button */) ||\n          e.button == this.mousePasteButton) {\n        if (!this.paste())\n          console.warning('Could not paste manually due to web restrictions');;\n      }\n    }\n\n    if (e.type == 'mouseup' && e.button == 0 && this.copyOnSelect &&\n        !this.document_.getSelection().isCollapsed) {\n      this.copySelectionToClipboard(this.document_);\n    }\n\n    if ((e.type == 'mousemove' || e.type == 'mouseup') &&\n        this.scrollBlockerNode_.engaged) {\n      // Disengage the scroll-blocker after one of these events.\n      this.scrollBlockerNode_.engaged = false;\n      this.scrollBlockerNode_.style.top = '-99px';\n    }\n\n    // Emulate arrow key presses via scroll wheel events.\n    if (this.scrollWheelArrowKeys_ && !e.shiftKey &&\n        this.keyboard.applicationCursor && !this.isPrimaryScreen()) {\n      if (e.type == 'wheel') {\n        var delta = this.scrollPort_.scrollWheelDelta(e);\n        var lines = lib.f.smartFloorDivide(\n            Math.abs(delta), this.scrollPort_.characterSize.height);\n\n        var data = '\\x1bO' + (delta < 0 ? 'B' : 'A');\n        this.io.sendString(data.repeat(lines));\n\n        e.preventDefault();\n      }\n    }\n  } else /* if (this.reportMouseEvents) */ {\n    if (!this.scrollBlockerNode_.engaged) {\n      if (e.type == 'mousedown') {\n        // Move the scroll-blocker into place if we want to keep the scrollport\n        // from scrolling.\n        this.scrollBlockerNode_.engaged = true;\n        this.scrollBlockerNode_.style.top = (e.clientY - 5) + 'px';\n        this.scrollBlockerNode_.style.left = (e.clientX - 5) + 'px';\n      } else if (e.type == 'mousemove') {\n        // Oh.  This means that drag-scroll was disabled AFTER the mouse down,\n        // in which case it's too late to engage the scroll-blocker.\n        this.document_.getSelection().collapseToEnd();\n        e.preventDefault();\n      }\n    }\n\n    this.onMouse(e);\n  }\n\n  if (e.type == 'mouseup' && this.document_.getSelection().isCollapsed) {\n    // Restore this on mouseup in case it was temporarily defeated with a\n    // alt-mousedown.  Only do this when the selection is empty so that\n    // we don't immediately kill the users selection.\n    this.defeatMouseReports_ = false;\n  }\n};\n\n/**\n * Clients should override this if they care to know about mouse events.\n *\n * The event parameter will be a normal DOM mouse click event with additional\n * 'terminalRow' and 'terminalColumn' properties.\n *\n * @param {Event} e The mouse event to handle.\n */\nhterm.Terminal.prototype.onMouse = function(e) { };\n\n/**\n * React when focus changes.\n *\n * @param {boolean} focused True if focused, false otherwise.\n */\nhterm.Terminal.prototype.onFocusChange_ = function(focused) {\n  this.cursorNode_.setAttribute('focus', focused);\n  this.restyleCursor_();\n  if (focused === true)\n    this.closeBellNotifications_();\n};\n\n/**\n * React when the ScrollPort is scrolled.\n */\nhterm.Terminal.prototype.onScroll_ = function() {\n  this.scheduleSyncCursorPosition_();\n};\n\n/**\n * React when text is pasted into the scrollPort.\n *\n * @param {Event} e The DOM paste event to handle.\n */\nhterm.Terminal.prototype.onPaste_ = function(e) {\n  var data = e.text.replace(/\\n/mg, '\\r');\n  data = this.keyboard.encode(data);\n  if (this.options_.bracketedPaste)\n    data = '\\x1b[200~' + data + '\\x1b[201~';\n\n  this.io.sendString(data);\n};\n\n/**\n * React when the user tries to copy from the scrollPort.\n *\n * @param {Event} e The DOM copy event.\n */\nhterm.Terminal.prototype.onCopy_ = function(e) {\n  if (!this.useDefaultWindowCopy) {\n    e.preventDefault();\n    setTimeout(this.copySelectionToClipboard.bind(this), 0);\n  }\n};\n\n/**\n * React when the ScrollPort is resized.\n *\n * Note: This function should not directly contain code that alters the internal\n * state of the terminal.  That kind of code belongs in realizeWidth or\n * realizeHeight, so that it can be executed synchronously in the case of a\n * programmatic width change.\n */\nhterm.Terminal.prototype.onResize_ = function() {\n  var columnCount = Math.floor(this.scrollPort_.getScreenWidth() /\n                               this.scrollPort_.characterSize.width) || 0;\n  var rowCount = lib.f.smartFloorDivide(this.scrollPort_.getScreenHeight(),\n                            this.scrollPort_.characterSize.height) || 0;\n\n  if (columnCount <= 0 || rowCount <= 0) {\n    // We avoid these situations since they happen sometimes when the terminal\n    // gets removed from the document or during the initial load, and we can't\n    // deal with that.\n    // This can also happen if called before the scrollPort calculates the\n    // character size, meaning we dived by 0 above and default to 0 values.\n    return;\n  }\n\n  var isNewSize = (columnCount != this.screenSize.width ||\n                   rowCount != this.screenSize.height);\n\n  // We do this even if the size didn't change, just to be sure everything is\n  // in sync.\n  this.realizeSize_(columnCount, rowCount);\n  this.showZoomWarning_(this.scrollPort_.characterSize.zoomFactor != 1);\n\n  if (isNewSize)\n    this.overlaySize();\n\n  this.restyleCursor_();\n  this.scheduleSyncCursorPosition_();\n};\n\n/**\n * Service the cursor blink timeout.\n */\nhterm.Terminal.prototype.onCursorBlink_ = function() {\n  if (!this.options_.cursorBlink) {\n    delete this.timeouts_.cursorBlink;\n    return;\n  }\n\n  if (this.cursorNode_.getAttribute('focus') == 'false' ||\n      this.cursorNode_.style.opacity == '0') {\n    this.cursorNode_.style.opacity = '1';\n    this.timeouts_.cursorBlink = setTimeout(this.myOnCursorBlink_,\n                                            this.cursorBlinkCycle_[0]);\n  } else {\n    this.cursorNode_.style.opacity = '0';\n    this.timeouts_.cursorBlink = setTimeout(this.myOnCursorBlink_,\n                                            this.cursorBlinkCycle_[1]);\n  }\n};\n\n/**\n * Set the scrollbar-visible mode bit.\n *\n * If scrollbar-visible is on, the vertical scrollbar will be visible.\n * Otherwise it will not.\n *\n * Defaults to on.\n *\n * @param {boolean} state True to set scrollbar-visible mode, false to unset.\n */\nhterm.Terminal.prototype.setScrollbarVisible = function(state) {\n  this.scrollPort_.setScrollbarVisible(state);\n};\n\n/**\n * Set the scroll wheel move multiplier.  This will affect how fast the page\n * scrolls on wheel events.\n *\n * Defaults to 1.\n *\n * @param {number} multiplier The multiplier to set.\n */\nhterm.Terminal.prototype.setScrollWheelMoveMultipler = function(multiplier) {\n  this.scrollPort_.setScrollWheelMoveMultipler(multiplier);\n};\n\n/**\n * Close all web notifications created by terminal bells.\n */\nhterm.Terminal.prototype.closeBellNotifications_ = function() {\n  this.bellNotificationList_.forEach(function(n) {\n      n.close();\n    });\n  this.bellNotificationList_.length = 0;\n};\n// SOURCE FILE: hterm/js/hterm_terminal_io.js\n// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\nlib.rtdep('lib.encodeUTF8');\n\n/**\n * Input/Output interface used by commands to communicate with the terminal.\n *\n * Commands like `nassh` and `crosh` receive an instance of this class as\n * part of their argv object.  This allows them to write to and read from the\n * terminal without exposing them to an entire hterm.Terminal instance.\n *\n * The active command must override the onVTKeystroke() and sendString() methods\n * of this class in order to receive keystrokes and send output to the correct\n * destination.\n *\n * Isolating commands from the terminal provides the following benefits:\n * - Provides a mechanism to save and restore onVTKeystroke and sendString\n *   handlers when invoking subcommands (see the push() and pop() methods).\n * - The isolation makes it easier to make changes in Terminal and supporting\n *   classes without affecting commands.\n * - In The Future commands may run in web workers where they would only be able\n *   to talk to a Terminal instance through an IPC mechanism.\n *\n * @param {hterm.Terminal}\n */\nhterm.Terminal.IO = function(terminal) {\n  this.terminal_ = terminal;\n\n  // The IO object to restore on IO.pop().\n  this.previousIO_ = null;\n};\n\n/**\n * Show the terminal overlay for a given amount of time.\n *\n * The terminal overlay appears in inverse video in a large font, centered\n * over the terminal.  You should probably keep the overlay message brief,\n * since it's in a large font and you probably aren't going to check the size\n * of the terminal first.\n *\n * @param {string} msg The text (not HTML) message to display in the overlay.\n * @param {number} opt_timeout The amount of time to wait before fading out\n *     the overlay.  Defaults to 1.5 seconds.  Pass null to have the overlay\n *     stay up forever (or until the next overlay).\n */\nhterm.Terminal.IO.prototype.showOverlay = function(message, opt_timeout) {\n  this.terminal_.showOverlay(message, opt_timeout);\n};\n\n/**\n * Open an frame in the current terminal window, pointed to the specified\n * url.\n *\n * Eventually we'll probably need size/position/decoration options.\n * The user should also be able to move/resize the frame.\n *\n * @param {string} url The URL to load in the frame.\n * @param {Object} opt_options Optional frame options.  Not implemented.\n */\nhterm.Terminal.IO.prototype.createFrame = function(url, opt_options) {\n  return new hterm.Frame(this.terminal_, url, opt_options);\n};\n\n/**\n * Change the preference profile for the terminal.\n *\n * @param profileName {string} The name of the preference profile to activate.\n */\nhterm.Terminal.IO.prototype.setTerminalProfile = function(profileName) {\n  this.terminal_.setProfile(profileName);\n};\n\n/**\n * Create a new hterm.Terminal.IO instance and make it active on the Terminal\n * object associated with this instance.\n *\n * This is used to pass control of the terminal IO off to a subcommand.  The\n * IO.pop() method can be used to restore control when the subcommand completes.\n */\nhterm.Terminal.IO.prototype.push = function() {\n  var io = new hterm.Terminal.IO(this.terminal_);\n  io.keyboardCaptured_ = this.keyboardCaptured_;\n\n  io.columnCount = this.columnCount;\n  io.rowCount = this.rowCount;\n\n  io.previousIO_ = this.terminal_.io;\n  this.terminal_.io = io;\n\n  return io;\n};\n\n/**\n * Restore the Terminal's previous IO object.\n */\nhterm.Terminal.IO.prototype.pop = function() {\n  this.terminal_.io = this.previousIO_;\n};\n\n/**\n * Called when data needs to be sent to the current command.\n *\n * Clients should override this to receive notification of pending data.\n *\n * @param {string} string The data to send.\n */\nhterm.Terminal.IO.prototype.sendString = function(string) {\n  // Override this.\n  console.log('Unhandled sendString: ' + string);\n};\n\n/**\n * Called when a terminal keystroke is detected.\n *\n * Clients should override this to receive notification of keystrokes.\n *\n * The keystroke data will be encoded according to the 'send-encoding'\n * preference.\n *\n * @param {string} string The VT key sequence.\n */\nhterm.Terminal.IO.prototype.onVTKeystroke = function(string) {\n  // Override this.\n  console.log('Unobserverd VT keystroke: ' + JSON.stringify(string));\n};\n\nhterm.Terminal.IO.prototype.onTerminalResize_ = function(width, height) {\n  var obj = this;\n  while (obj) {\n    obj.columnCount = width;\n    obj.rowCount = height;\n    obj = obj.previousIO_;\n  }\n\n  this.onTerminalResize(width, height);\n};\n\n/**\n * Called when terminal size is changed.\n *\n * Clients should override this to receive notification of resize.\n *\n * @param {string|integer} terminal width.\n * @param {string|integer} terminal height.\n */\nhterm.Terminal.IO.prototype.onTerminalResize = function(width, height) {\n  // Override this.\n};\n\n/**\n * Write a UTF-8 encoded byte string to the terminal.\n *\n * @param {string} string The UTF-8 encoded string to print.\n */\nhterm.Terminal.IO.prototype.writeUTF8 = function(string) {\n  if (this.terminal_.io != this)\n    throw 'Attempt to print from inactive IO object.';\n\n  this.terminal_.interpret(string);\n};\n\n/**\n * Write a UTF-8 encoded byte string to the terminal followed by crlf.\n *\n * @param {string} string The UTF-8 encoded string to print.\n */\nhterm.Terminal.IO.prototype.writelnUTF8 = function(string) {\n  if (this.terminal_.io != this)\n    throw 'Attempt to print from inactive IO object.';\n\n  this.terminal_.interpret(string + '\\r\\n');\n};\n\n/**\n * Write a UTF-16 JavaScript string to the terminal.\n *\n * @param {string} string The string to print.\n */\nhterm.Terminal.IO.prototype.print =\nhterm.Terminal.IO.prototype.writeUTF16 = function(string) {\n  this.writeUTF8(lib.encodeUTF8(string));\n};\n\n/**\n * Print a UTF-16 JavaScript string to the terminal followed by a newline.\n *\n * @param {string} string The string to print.\n */\nhterm.Terminal.IO.prototype.println =\nhterm.Terminal.IO.prototype.writelnUTF16 = function(string) {\n  this.writelnUTF8(lib.encodeUTF8(string));\n};\n// SOURCE FILE: hterm/js/hterm_text_attributes.js\n// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\nlib.rtdep('lib.colors');\n\n/**\n * Constructor for TextAttribute objects.\n *\n * These objects manage a set of text attributes such as foreground/\n * background color, bold, faint, italic, blink, underline, and strikethrough.\n *\n * TextAttribute instances can be used to construct a DOM container implementing\n * the current attributes, or to test an existing DOM container for\n * compatibility with the current attributes.\n *\n * @constructor\n * @param {HTMLDocument} document The parent document to use when creating\n *     new DOM containers.\n */\nhterm.TextAttributes = function(document) {\n  this.document_ = document;\n  // These variables contain the source of the color as either:\n  // SRC_DEFAULT  (use context default)\n  // SRC_RGB      (specified in 'rgb( r, g, b)' form)\n  // number       (representing the index from color palette to use)\n  this.foregroundSource = this.SRC_DEFAULT;\n  this.backgroundSource = this.SRC_DEFAULT;\n\n  // These properties cache the value in the color table, but foregroundSource\n  // and backgroundSource contain the canonical values.\n  this.foreground = this.DEFAULT_COLOR;\n  this.background = this.DEFAULT_COLOR;\n\n  this.defaultForeground = 'rgb(255, 255, 255)';\n  this.defaultBackground = 'rgb(0, 0, 0)';\n\n  this.bold = false;\n  this.faint = false;\n  this.italic = false;\n  this.blink = false;\n  this.underline = false;\n  this.strikethrough = false;\n  this.inverse = false;\n  this.invisible = false;\n  this.wcNode = false;\n  this.asciiNode = true;\n  this.tileData = null;\n\n  this.colorPalette = null;\n  this.resetColorPalette();\n};\n\n/**\n * If false, we ignore the bold attribute.\n *\n * This is used for fonts that have a bold version that is a different size\n * than the normal weight version.\n */\nhterm.TextAttributes.prototype.enableBold = true;\n\n/**\n * If true, use bright colors (if available) for bold text.\n *\n * This setting is independent of the enableBold setting.\n */\nhterm.TextAttributes.prototype.enableBoldAsBright = true;\n\n/**\n * A sentinel constant meaning \"whatever the default color is in this context\".\n */\nhterm.TextAttributes.prototype.DEFAULT_COLOR = lib.f.createEnum('');\n\n/**\n * A constant string used to specify that source color is context default.\n */\nhterm.TextAttributes.prototype.SRC_DEFAULT = 'default';\n\n\n/**\n * A constant string used to specify that the source of a color is a valid\n * rgb( r, g, b) specifier.\n */\nhterm.TextAttributes.prototype.SRC_RGB = 'rgb';\n\n/**\n * The document object which should own the DOM nodes created by this instance.\n *\n * @param {HTMLDocument} document The parent document.\n */\nhterm.TextAttributes.prototype.setDocument = function(document) {\n  this.document_ = document;\n};\n\n/**\n * Create a deep copy of this object.\n *\n * @return {hterm.TextAttributes} A deep copy of this object.\n */\nhterm.TextAttributes.prototype.clone = function() {\n  var rv = new hterm.TextAttributes(null);\n\n  for (var key in this) {\n    rv[key] = this[key];\n  }\n\n  rv.colorPalette = this.colorPalette.concat();\n  return rv;\n};\n\n/**\n * Reset the current set of attributes.\n *\n * This does not affect the palette.  Use resetColorPalette() for that.\n * It also doesn't affect the tile data, it's not meant to.\n */\nhterm.TextAttributes.prototype.reset = function() {\n  this.foregroundSource = this.SRC_DEFAULT;\n  this.backgroundSource = this.SRC_DEFAULT;\n  this.foreground = this.DEFAULT_COLOR;\n  this.background = this.DEFAULT_COLOR;\n  this.bold = false;\n  this.faint = false;\n  this.italic = false;\n  this.blink = false;\n  this.underline = false;\n  this.strikethrough = false;\n  this.inverse = false;\n  this.invisible = false;\n  this.wcNode = false;\n  this.asciiNode = true;\n};\n\n/**\n * Reset the color palette to the default state.\n */\nhterm.TextAttributes.prototype.resetColorPalette = function() {\n  this.colorPalette = lib.colors.colorPalette.concat();\n  this.syncColors();\n};\n\n/**\n * Test if the current attributes describe unstyled text.\n *\n * @return {boolean} True if the current attributes describe unstyled text.\n */\nhterm.TextAttributes.prototype.isDefault = function() {\n  return (this.foregroundSource == this.SRC_DEFAULT &&\n          this.backgroundSource == this.SRC_DEFAULT &&\n          !this.bold &&\n          !this.faint &&\n          !this.italic &&\n          !this.blink &&\n          !this.underline &&\n          !this.strikethrough &&\n          !this.inverse &&\n          !this.invisible &&\n          !this.wcNode &&\n          this.asciiNode &&\n          this.tileData == null);\n};\n\n/**\n * Create a DOM container (a span or a text node) with a style to match the\n * current set of attributes.\n *\n * This method will create a plain text node if the text is unstyled, or\n * an HTML span if the text is styled.  Due to lack of monospace wide character\n * fonts on certain systems (e.g. Chrome OS), we need to put each wide character\n * in a span of CSS class '.wc-node' which has double column width.\n * Each vt_tiledata tile is also represented by a span with a single\n * character, with CSS classes '.tile' and '.tile_<glyph number>'.\n *\n * @param {string} opt_textContent Optional text content for the new container.\n * @return {HTMLNode} An HTML span or text nodes styled to match the current\n *     attributes.\n */\nhterm.TextAttributes.prototype.createContainer = function(opt_textContent) {\n  if (this.isDefault())\n    return this.document_.createTextNode(opt_textContent);\n\n  var span = this.document_.createElement('span');\n  var style = span.style;\n  var classes = [];\n\n  if (this.foreground != this.DEFAULT_COLOR)\n    style.color = this.foreground;\n\n  if (this.background != this.DEFAULT_COLOR)\n    style.backgroundColor = this.background;\n\n  if (this.enableBold && this.bold)\n    style.fontWeight = 'bold';\n\n  if (this.faint)\n    span.faint = true;\n\n  if (this.italic)\n    style.fontStyle = 'italic';\n\n  if (this.blink) {\n    classes.push('blink-node');\n    span.blinkNode = true;\n  }\n\n  var textDecoration = '';\n  if (this.underline) {\n    textDecoration += ' underline';\n    span.underline = true;\n  }\n  if (this.strikethrough) {\n    textDecoration += ' line-through';\n    span.strikethrough = true;\n  }\n  if (textDecoration) {\n    style.textDecoration = textDecoration;\n  }\n\n  if (this.wcNode) {\n    classes.push('wc-node');\n    span.wcNode = true;\n    span.asciiNode = false;\n  }\n\n  if (this.tileData != null) {\n    classes.push('tile');\n    classes.push('tile_' + this.tileData);\n    span.tileNode = true;\n  }\n\n  if (opt_textContent)\n    span.textContent = opt_textContent;\n\n  if (classes.length)\n    span.className = classes.join(' ');\n\n  return span;\n};\n\n/**\n * Tests if the provided object (string, span or text node) has the same\n * style as this TextAttributes instance.\n *\n * This indicates that text with these attributes could be inserted directly\n * into the target DOM node.\n *\n * For the purposes of this method, a string is considered a text node.\n *\n * @param {string|HTMLNode} obj The object to test.\n * @return {boolean} True if the provided container has the same style as\n *     this attributes instance.\n */\nhterm.TextAttributes.prototype.matchesContainer = function(obj) {\n  if (typeof obj == 'string' || obj.nodeType == 3)\n    return this.isDefault();\n\n  var style = obj.style;\n\n  // We don't want to put multiple characters in a wcNode or a tile.\n  // See the comments in createContainer.\n  return (!(this.wcNode || obj.wcNode) &&\n          this.asciiNode == this.asciiNode &&\n          !(this.tileData != null || obj.tileNode) &&\n          this.foreground == style.color &&\n          this.background == style.backgroundColor &&\n          (this.enableBold && this.bold) == !!style.fontWeight &&\n          this.blink == obj.blinkNode &&\n          this.italic == !!style.fontStyle &&\n          !!this.underline == !!obj.underline &&\n          !!this.strikethrough == !!obj.strikethrough);\n};\n\nhterm.TextAttributes.prototype.setDefaults = function(foreground, background) {\n  this.defaultForeground = foreground;\n  this.defaultBackground = background;\n\n  this.syncColors();\n};\n\n/**\n * Updates foreground and background properties based on current indices and\n * other state.\n *\n * @param {string} terminalForeground The terminal foreground color for use as\n *     inverse text background.\n * @param {string} terminalBackground The terminal background color for use as\n *     inverse text foreground.\n *\n */\nhterm.TextAttributes.prototype.syncColors = function() {\n  function getBrightIndex(i) {\n    if (i < 8) {\n      // If the color is from the lower half of the ANSI 16, add 8.\n      return i + 8;\n    }\n\n    // If it's not from the 16 color palette, ignore bold requests.  This\n    // matches the behavior of gnome-terminal.\n    return i;\n  }\n\n  var foregroundSource = this.foregroundSource;\n  var backgroundSource = this.backgroundSource;\n  var defaultForeground = this.DEFAULT_COLOR;\n  var defaultBackground = this.DEFAULT_COLOR;\n\n  if (this.inverse) {\n    foregroundSource = this.backgroundSource;\n    backgroundSource = this.foregroundSource;\n    // We can't inherit the container's color anymore.\n    defaultForeground = this.defaultBackground;\n    defaultBackground = this.defaultForeground;\n  }\n\n  if (this.enableBoldAsBright && this.bold) {\n    if (foregroundSource != this.SRC_DEFAULT &&\n        foregroundSource != this.SRC_RGB) {\n      foregroundSource = getBrightIndex(foregroundSource);\n    }\n  }\n\n  if (this.invisible) {\n    foregroundSource = backgroundSource;\n    defaultForeground = this.defaultBackground;\n  }\n\n  // Set fore/background colors unless already specified in rgb(r, g, b) form.\n  if (foregroundSource != this.SRC_RGB) {\n    this.foreground = ((foregroundSource == this.SRC_DEFAULT) ?\n                       defaultForeground : this.colorPalette[foregroundSource]);\n  }\n\n  if (this.faint && !this.invisible) {\n    var colorToMakeFaint = ((this.foreground == this.DEFAULT_COLOR) ?\n                            this.defaultForeground : this.foreground);\n    this.foreground = lib.colors.mix(colorToMakeFaint, 'rgb(0, 0, 0)', 0.3333);\n  }\n\n  if (backgroundSource != this.SRC_RGB) {\n    this.background = ((backgroundSource == this.SRC_DEFAULT) ?\n                       defaultBackground : this.colorPalette[backgroundSource]);\n  }\n};\n\n/**\n * Static method used to test if the provided objects (strings, spans or\n * text nodes) have the same style.\n *\n * For the purposes of this method, a string is considered a text node.\n *\n * @param {string|HTMLNode} obj1 An object to test.\n * @param {string|HTMLNode} obj2 Another object to test.\n * @return {boolean} True if the containers have the same style.\n */\nhterm.TextAttributes.containersMatch = function(obj1, obj2) {\n  if (typeof obj1 == 'string')\n    return hterm.TextAttributes.containerIsDefault(obj2);\n\n  if (obj1.nodeType != obj2.nodeType)\n    return false;\n\n  if (obj1.nodeType == 3)\n    return true;\n\n  var style1 = obj1.style;\n  var style2 = obj2.style;\n\n  return (style1.color == style2.color &&\n          style1.backgroundColor == style2.backgroundColor &&\n          style1.fontWeight == style2.fontWeight &&\n          style1.fontStyle == style2.fontStyle &&\n          style1.textDecoration == style2.textDecoration);\n};\n\n/**\n * Static method to test if a given DOM container represents unstyled text.\n *\n * For the purposes of this method, a string is considered a text node.\n *\n * @param {string|HTMLNode} obj1 An object to test.\n * @return {boolean} True if the object is unstyled.\n */\nhterm.TextAttributes.containerIsDefault = function(obj) {\n  return typeof obj == 'string'  || obj.nodeType == 3;\n};\n\n/**\n * Static method to get the column width of a node's textContent.\n *\n * @param {HTMLElement} node The HTML element to get the width of textContent\n *     from.\n * @return {integer} The column width of the node's textContent.\n */\nhterm.TextAttributes.nodeWidth = function(node) {\n  if (!node.asciiNode) {\n    return lib.wc.strWidth(node.textContent);\n  } else {\n    return node.textContent.length;\n  }\n}\n\n/**\n * Static method to get the substr of a node's textContent.  The start index\n * and substr width are computed in column width.\n *\n * @param {HTMLElement} node The HTML element to get the substr of textContent\n *     from.\n * @param {integer} start The starting offset in column width.\n * @param {integer} width The width to capture in column width.\n * @return {integer} The extracted substr of the node's textContent.\n */\nhterm.TextAttributes.nodeSubstr = function(node, start, width) {\n  if (!node.asciiNode) {\n    return lib.wc.substr(node.textContent, start, width);\n  } else {\n    return node.textContent.substr(start, width);\n  }\n}\n\n/**\n * Static method to get the substring based of a node's textContent.  The\n * start index of end index are computed in column width.\n *\n * @param {HTMLElement} node The HTML element to get the substr of textContent\n *     from.\n * @param {integer} start The starting offset in column width.\n * @param {integer} end The ending offset in column width.\n * @return {integer} The extracted substring of the node's textContent.\n */\nhterm.TextAttributes.nodeSubstring = function(node, start, end) {\n  if (!node.asciiNode) {\n    return lib.wc.substring(node.textContent, start, end);\n  } else {\n    return node.textContent.substring(start, end);\n  }\n};\n\n/**\n * Static method to split a string into contiguous runs of single-width\n * characters and runs of double-width characters.\n *\n * @param {string} str The string to split.\n * @return {Array} An array of objects that contain substrings of str, where\n *     each substring is either a contiguous runs of single-width characters\n *     or a double-width character.  For objects that contain a double-width\n *     character, its wcNode property is set to true.  For objects that contain\n *     only ASCII content, its asciiNode property is set to true.\n */\nhterm.TextAttributes.splitWidecharString = function(str) {\n  var rv = [];\n  var base = 0, length = 0;\n  var asciiNode = true;\n\n  for (var i = 0; i < str.length;) {\n    var c = str.codePointAt(i);\n    var increment = (c <= 0xffff) ? 1 : 2;\n    if (c < 128) {\n      length += increment;\n    } else if (lib.wc.charWidth(c) <= 1) {\n      length += increment;\n      asciiNode = false;\n    } else {\n      if (length) {\n        rv.push({\n          str: str.substr(base, length),\n          asciiNode: asciiNode,\n        });\n        asciiNode = true;\n      }\n      rv.push({\n        str: str.substr(i, increment),\n        wcNode: true,\n        asciiNode: false,\n      });\n      base = i + increment;\n      length = 0;\n    }\n    i += increment;\n  }\n\n  if (length) {\n    rv.push({\n      str: str.substr(base, length),\n      asciiNode: asciiNode,\n    });\n  }\n\n  return rv;\n};\n// SOURCE FILE: hterm/js/hterm_vt.js\n// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\nlib.rtdep('lib.colors', 'lib.f', 'lib.UTF8Decoder',\n          'hterm.VT.CharacterMap');\n\n/**\n * Constructor for the VT escape sequence interpreter.\n *\n * The interpreter operates on a terminal object capable of performing cursor\n * move operations, painting characters, etc.\n *\n * This interpreter is intended to be compatible with xterm, though it\n * ignores some of the more esoteric escape sequences.\n *\n * Control sequences are documented in hterm/doc/ControlSequences.md.\n *\n * @param {hterm.Terminal} terminal Terminal to use with the interpreter.\n */\nhterm.VT = function(terminal) {\n  /**\n   * The display terminal object associated with this virtual terminal.\n   */\n  this.terminal = terminal;\n\n  terminal.onMouse = this.onTerminalMouse_.bind(this);\n  this.mouseReport = this.MOUSE_REPORT_DISABLED;\n\n  // Parse state left over from the last parse.  You should use the parseState\n  // instance passed into your parse routine, rather than reading\n  // this.parseState_ directly.\n  this.parseState_ = new hterm.VT.ParseState(this.parseUnknown_);\n\n  // Any \"leading modifiers\" for the escape sequence, such as '?', ' ', or the\n  // other modifiers handled in this.parseCSI_.\n  this.leadingModifier_ = '';\n\n  // Any \"trailing modifiers\".  Same character set as a leading modifier,\n  // except these are found after the numeric arguments.\n  this.trailingModifier_ = '';\n\n  // Whether or not to respect the escape codes for setting terminal width.\n  this.allowColumnWidthChanges_ = false;\n\n  // The amount of time we're willing to wait for the end of an OSC sequence.\n  this.oscTimeLimit_ = 20000;\n\n  // Decoder to maintain UTF-8 decode state.\n  this.utf8Decoder_ = new lib.UTF8Decoder();\n\n  /**\n   * Whether to accept the 8-bit control characters.\n   *\n   * An 8-bit control character is one with the eighth bit set.  These\n   * didn't work on 7-bit terminals so they all have two byte equivalents.\n   * Most hosts still only use the two-byte versions.\n   *\n   * We ignore 8-bit control codes by default.  This is in order to avoid\n   * issues with \"accidental\" usage of codes that need to be terminated.\n   * The \"accident\" usually involves cat'ing binary data.\n   */\n  this.enable8BitControl = false;\n\n  /**\n   * Whether to allow the OSC 52 sequence to write to the system clipboard.\n   */\n  this.enableClipboardWrite = true;\n\n  /**\n   * Respect the host's attempt to change the cursor blink status using\n   * the DEC Private mode 12.\n   */\n  this.enableDec12 = false;\n\n  /**\n   * The expected encoding method for data received from the host.\n   */\n  this.characterEncoding = 'utf-8';\n\n  /**\n   * Max length of an unterminated DCS, OSC, PM or APC sequence before we give\n   * up and ignore the code.\n   *\n   * These all end with a String Terminator (ST, '\\x9c', ESC '\\\\') or\n   * (BEL, '\\x07') character, hence the \"string sequence\" moniker.\n   */\n  this.maxStringSequence = 1024;\n\n  /**\n   * If true, emit warnings when we encounter a control character or escape\n   * sequence that we don't recognize or explicitly ignore.\n   */\n  this.warnUnimplemented = true;\n\n  /**\n   * The set of available character maps (used by G0...G3 below).\n   */\n  this.characterMaps = new hterm.VT.CharacterMaps();\n\n  /**\n   * The default G0...G3 character maps.\n   * We default to the US/ASCII map everywhere as that aligns with other\n   * terminals, and it makes it harder to accidentally switch to the graphics\n   * character map (Ctrl-N).  Any program that wants to use the graphics map\n   * will usually select it anyways since there's no guarantee what state any\n   * of the maps are in at any particular time.\n   */\n  this.G0 = this.G1 = this.G2 = this.G3 =\n      this.characterMaps.getMap('B');\n\n  /**\n   * The 7-bit visible character set.\n   *\n   * This is a mapping from inbound data to display glyph.  The GL set\n   * contains the 94 bytes from 0x21 to 0x7e.\n   *\n   * The default GL set is 'B', US ASCII.\n   */\n  this.GL = 'G0';\n\n  /**\n   * The 8-bit visible character set.\n   *\n   * This is a mapping from inbound data to display glyph.  The GR set\n   * contains the 94 bytes from 0xa1 to 0xfe.\n   */\n  this.GR = 'G0';\n\n  /**\n   * The current encoding of the terminal.\n   *\n   * We only support ECMA-35 and UTF-8, so go with a boolean here.\n   * The encoding can be locked too.\n   */\n  this.codingSystemUtf8_ = false;\n  this.codingSystemLocked_ = false;\n\n  // Construct a regular expression to match the known one-byte control chars.\n  // This is used in parseUnknown_ to quickly scan a string for the next\n  // control character.\n  this.cc1Pattern_ = null;\n  this.updateEncodingState_();\n\n  // Saved state used in DECSC.\n  //\n  // This is a place to store a copy VT state, it is *not* the active state.\n  this.savedState_ = new hterm.VT.CursorState(this);\n};\n\n/**\n * No mouse events.\n */\nhterm.VT.prototype.MOUSE_REPORT_DISABLED = 0;\n\n/**\n * DECSET mode 1000.\n *\n * Report mouse down/up events only.\n */\nhterm.VT.prototype.MOUSE_REPORT_CLICK = 1;\n\n/**\n * DECSET mode 1002.\n *\n * Report mouse down/up and movement while a button is down.\n */\nhterm.VT.prototype.MOUSE_REPORT_DRAG = 3;\n\n/**\n * ParseState constructor.\n *\n * This object tracks the current state of the parse.  It has fields for the\n * current buffer, position in the buffer, and the parse function.\n *\n * @param {function} defaultFunc The default parser function.\n * @param {string} opt_buf Optional string to use as the current buffer.\n */\nhterm.VT.ParseState = function(defaultFunction, opt_buf) {\n  this.defaultFunction = defaultFunction;\n  this.buf = opt_buf || null;\n  this.pos = 0;\n  this.func = defaultFunction;\n  this.args = [];\n};\n\n/**\n * Reset the parser function, buffer, and position.\n */\nhterm.VT.ParseState.prototype.reset = function(opt_buf) {\n  this.resetParseFunction();\n  this.resetBuf(opt_buf || '');\n  this.resetArguments();\n};\n\n/**\n * Reset the parser function only.\n */\nhterm.VT.ParseState.prototype.resetParseFunction = function() {\n  this.func = this.defaultFunction;\n};\n\n/**\n * Reset the buffer and position only.\n *\n * @param {string} buf Optional new value for buf, defaults to null.\n */\nhterm.VT.ParseState.prototype.resetBuf = function(opt_buf) {\n  this.buf = (typeof opt_buf == 'string') ? opt_buf : null;\n  this.pos = 0;\n};\n\n/**\n * Reset the arguments list only.\n *\n * @param {string} opt_arg_zero Optional initial value for args[0].\n */\nhterm.VT.ParseState.prototype.resetArguments = function(opt_arg_zero) {\n  this.args.length = 0;\n  if (typeof opt_arg_zero != 'undefined')\n    this.args[0] = opt_arg_zero;\n};\n\n/**\n * Get an argument as an integer.\n *\n * @param {number} argnum The argument number to retrieve.\n */\nhterm.VT.ParseState.prototype.iarg = function(argnum, defaultValue) {\n  var str = this.args[argnum];\n  if (str) {\n    var ret = parseInt(str, 10);\n    // An argument of zero is treated as the default value.\n    if (ret == 0)\n      ret = defaultValue;\n    return ret;\n  }\n  return defaultValue;\n};\n\n/**\n * Advance the parse position.\n *\n * @param {integer} count The number of bytes to advance.\n */\nhterm.VT.ParseState.prototype.advance = function(count) {\n  this.pos += count;\n};\n\n/**\n * Return the remaining portion of the buffer without affecting the parse\n * position.\n *\n * @return {string} The remaining portion of the buffer.\n */\nhterm.VT.ParseState.prototype.peekRemainingBuf = function() {\n  return this.buf.substr(this.pos);\n};\n\n/**\n * Return the next single character in the buffer without affecting the parse\n * position.\n *\n * @return {string} The next character in the buffer.\n */\nhterm.VT.ParseState.prototype.peekChar = function() {\n  return this.buf.substr(this.pos, 1);\n};\n\n/**\n * Return the next single character in the buffer and advance the parse\n * position one byte.\n *\n * @return {string} The next character in the buffer.\n */\nhterm.VT.ParseState.prototype.consumeChar = function() {\n  return this.buf.substr(this.pos++, 1);\n};\n\n/**\n * Return true if the buffer is empty, or the position is past the end.\n */\nhterm.VT.ParseState.prototype.isComplete = function() {\n  return this.buf == null || this.buf.length <= this.pos;\n};\n\nhterm.VT.CursorState = function(vt) {\n  this.vt_ = vt;\n  this.save();\n};\n\nhterm.VT.CursorState.prototype.save = function() {\n  this.cursor = this.vt_.terminal.saveCursor();\n\n  this.textAttributes = this.vt_.terminal.getTextAttributes().clone();\n\n  this.GL = this.vt_.GL;\n  this.GR = this.vt_.GR;\n\n  this.G0 = this.vt_.G0;\n  this.G1 = this.vt_.G1;\n  this.G2 = this.vt_.G2;\n  this.G3 = this.vt_.G3;\n};\n\nhterm.VT.CursorState.prototype.restore = function() {\n  this.vt_.terminal.restoreCursor(this.cursor);\n\n  this.vt_.terminal.setTextAttributes(this.textAttributes.clone());\n\n  this.vt_.GL = this.GL;\n  this.vt_.GR = this.GR;\n\n  this.vt_.G0 = this.G0;\n  this.vt_.G1 = this.G1;\n  this.vt_.G2 = this.G2;\n  this.vt_.G3 = this.G3;\n};\n\nhterm.VT.prototype.reset = function() {\n  this.G0 = this.characterMaps.getMap('B');\n  this.G1 = this.characterMaps.getMap('0');\n  this.G2 = this.characterMaps.getMap('B');\n  this.G3 = this.characterMaps.getMap('B');\n\n  this.GL = 'G0';\n  this.GR = 'G0';\n\n  this.savedState_ = new hterm.VT.CursorState(this);\n\n  this.mouseReport = this.MOUSE_REPORT_DISABLED;\n};\n\n/**\n * Handle terminal mouse events.\n *\n * See the \"Mouse Tracking\" section of [xterm].\n */\nhterm.VT.prototype.onTerminalMouse_ = function(e) {\n  if (this.mouseReport == this.MOUSE_REPORT_DISABLED)\n    return;\n\n  // Temporary storage for our response.\n  var response;\n\n  // Modifier key state.\n  var mod = 0;\n  if (e.shiftKey)\n    mod |= 4;\n  if (e.metaKey || (this.terminal.keyboard.altIsMeta && e.altKey))\n    mod |= 8;\n  if (e.ctrlKey)\n    mod |= 16;\n\n  // TODO(rginda): We should also support mode 1005 and/or 1006 to extend the\n  // coordinate space.  Though, after poking around just a little, I wasn't\n  // able to get vi or emacs to use either of these modes.\n  var x = String.fromCharCode(lib.f.clamp(e.terminalColumn + 32, 32, 255));\n  var y = String.fromCharCode(lib.f.clamp(e.terminalRow + 32, 32, 255));\n\n  switch (e.type) {\n    case 'wheel':\n      // Mouse wheel is treated as button 1 or 2 plus an additional 64.\n      b = (((e.deltaY * -1) > 0) ? 0 : 1) + 96;\n      b |= mod;\n      response = '\\x1b[M' + String.fromCharCode(b) + x + y;\n\n      // Keep the terminal from scrolling.\n      e.preventDefault();\n      break;\n\n    case 'mousedown':\n      // Buttons are encoded as button number plus 32.\n      var b = Math.min(e.button, 2) + 32;\n\n      // And mix in the modifier keys.\n      b |= mod;\n\n      response = '\\x1b[M' + String.fromCharCode(b) + x + y;\n      break;\n\n    case 'mouseup':\n      // Mouse up has no indication of which button was released.\n      response = '\\x1b[M\\x23' + x + y;\n      break;\n\n    case 'mousemove':\n      if (this.mouseReport == this.MOUSE_REPORT_DRAG && e.buttons) {\n        // Standard button bits.  The XTerm protocol only reports the first\n        // button press (e.g. if left & right are pressed, right is ignored),\n        // and it only supports the first three buttons.  If none of them are\n        // pressed, then XTerm flags it as a release.  We'll do the same.\n        b = 32;\n\n        // Priority here matches XTerm: left, middle, right.\n        if (e.buttons & 0x1) {\n          // Report left button.\n          b += 0;\n        } else if (e.buttons & 0x4) {\n          // Report middle button.\n          b += 1;\n        } else if (e.buttons & 0x2) {\n          // Report right button.\n          b += 2;\n        } else {\n          // Release higher buttons.\n          b += 3;\n        }\n\n        // Add 32 to indicate mouse motion.\n        b += 32;\n\n        // And mix in the modifier keys.\n        b |= mod;\n\n        response = '\\x1b[M' + String.fromCharCode(b) + x + y;\n      }\n\n      break;\n\n    case 'click':\n    case 'dblclick':\n      break;\n\n    default:\n      console.error('Unknown mouse event: ' + e.type, e);\n      break;\n  }\n\n  if (response)\n    this.terminal.io.sendString(response);\n};\n\n/**\n * Interpret a string of characters, displaying the results on the associated\n * terminal object.\n *\n * The buffer will be decoded according to the 'receive-encoding' preference.\n */\nhterm.VT.prototype.interpret = function(buf) {\n  this.parseState_.resetBuf(this.decode(buf));\n\n  while (!this.parseState_.isComplete()) {\n    var func = this.parseState_.func;\n    var pos = this.parseState_.pos;\n    var buf = this.parseState_.buf;\n\n    this.parseState_.func.call(this, this.parseState_);\n\n    if (this.parseState_.func == func && this.parseState_.pos == pos &&\n        this.parseState_.buf == buf) {\n      throw 'Parser did not alter the state!';\n    }\n  }\n};\n\n/**\n * Decode a string according to the 'receive-encoding' preference.\n */\nhterm.VT.prototype.decode = function(str) {\n  if (this.characterEncoding == 'utf-8')\n    return this.decodeUTF8(str);\n\n  return str;\n};\n\n/**\n * Encode a UTF-16 string as UTF-8.\n *\n * See also: https://en.wikipedia.org/wiki/UTF-16\n */\nhterm.VT.prototype.encodeUTF8 = function(str) {\n  return lib.encodeUTF8(str);\n};\n\n/**\n * Decode a UTF-8 string into UTF-16.\n */\nhterm.VT.prototype.decodeUTF8 = function(str) {\n  return this.utf8Decoder_.decode(str);\n};\n\n/**\n * Set the encoding of the terminal.\n *\n * @param {string} encoding The name of the encoding to set.\n */\nhterm.VT.prototype.setEncoding = function(encoding) {\n  switch (encoding) {\n    default:\n      console.warn('Invalid value for \"terminal-encoding\": ' + encoding);\n      // Fall through.\n    case 'iso-2022':\n      this.codingSystemUtf8_ = false;\n      this.codingSystemLocked_ = false;\n      break;\n    case 'utf-8-locked':\n      this.codingSystemUtf8_ = true;\n      this.codingSystemLocked_ = true;\n      break;\n    case 'utf-8':\n      this.codingSystemUtf8_ = true;\n      this.codingSystemLocked_ = false;\n      break;\n  }\n\n  this.updateEncodingState_();\n};\n\n/**\n * Refresh internal state when the encoding changes.\n */\nhterm.VT.prototype.updateEncodingState_ = function() {\n  // If we're in UTF8 mode, don't suport 8-bit escape sequences as we'll never\n  // see those -- everything should be UTF8!\n  var cc1 = Object.keys(hterm.VT.CC1)\n      .filter((e) => !this.codingSystemUtf8_ || e.charCodeAt() < 0x80)\n      .map((e) => '\\\\x' + lib.f.zpad(e.charCodeAt().toString(16), 2))\n      .join('');\n  this.cc1Pattern_ = new RegExp(`[${cc1}]`);\n};\n\n/**\n * The default parse function.\n *\n * This will scan the string for the first 1-byte control character (C0/C1\n * characters from [CTRL]).  Any plain text coming before the code will be\n * printed to the terminal, then the control character will be dispatched.\n */\nhterm.VT.prototype.parseUnknown_ = function(parseState) {\n  var self = this;\n\n  function print(str) {\n    if (!self.codingSystemUtf8_ && self[self.GL].GL)\n      str = self[self.GL].GL(str);\n\n    self.terminal.print(str);\n  };\n\n  // Search for the next contiguous block of plain text.\n  var buf = parseState.peekRemainingBuf();\n  var nextControl = buf.search(this.cc1Pattern_);\n\n  if (nextControl == 0) {\n    // We've stumbled right into a control character.\n    this.dispatch('CC1', buf.substr(0, 1), parseState);\n    parseState.advance(1);\n    return;\n  }\n\n  if (nextControl == -1) {\n    // There are no control characters in this string.\n    print(buf);\n    parseState.reset();\n    return;\n  }\n\n  print(buf.substr(0, nextControl));\n  this.dispatch('CC1', buf.substr(nextControl, 1), parseState);\n  parseState.advance(nextControl + 1);\n};\n\n/**\n * Parse a Control Sequence Introducer code and dispatch it.\n *\n * See [CSI] for some useful information about these codes.\n */\nhterm.VT.prototype.parseCSI_ = function(parseState) {\n  var ch = parseState.peekChar();\n  var args = parseState.args;\n\n  if (ch >= '@' && ch <= '~') {\n    // This is the final character.\n    this.dispatch('CSI', this.leadingModifier_ + this.trailingModifier_ + ch,\n                  parseState);\n    parseState.resetParseFunction();\n\n  } else if (ch == ';') {\n    // Parameter delimiter.\n    if (this.trailingModifier_) {\n      // Parameter delimiter after the trailing modifier.  That's a paddlin'.\n      parseState.resetParseFunction();\n\n    } else {\n      if (!args.length) {\n        // They omitted the first param, we need to supply it.\n        args.push('');\n      }\n\n      args.push('');\n    }\n\n  } else if (ch >= '0' && ch <= '9') {\n    // Next byte in the current parameter.\n\n    if (this.trailingModifier_) {\n      // Numeric parameter after the trailing modifier.  That's a paddlin'.\n      parseState.resetParseFunction();\n    } else {\n      if (!args.length) {\n        args[0] = ch;\n      } else {\n        args[args.length - 1] += ch;\n      }\n    }\n\n  } else if (ch >= ' ' && ch <= '?' && ch != ':') {\n    // Modifier character.\n    if (!args.length) {\n      this.leadingModifier_ += ch;\n    } else {\n      this.trailingModifier_ += ch;\n    }\n\n  } else if (this.cc1Pattern_.test(ch)) {\n    // Control character.\n    this.dispatch('CC1', ch, parseState);\n\n  } else {\n    // Unexpected character in sequence, bail out.\n    parseState.resetParseFunction();\n  }\n\n  parseState.advance(1);\n};\n\n/**\n * Skip over the string until the next String Terminator (ST, 'ESC \\') or\n * Bell (BEL, '\\x07').\n *\n * The string is accumulated in parseState.args[0].  Make sure to reset the\n * arguments (with parseState.resetArguments) before starting the parse.\n *\n * You can detect that parsing in complete by checking that the parse\n * function has changed back to the default parse function.\n *\n * If we encounter more than maxStringSequence characters, we send back\n * the unterminated sequence to be re-parsed with the default parser function.\n *\n * @return {boolean} If true, parsing is ongoing or complete.  If false, we've\n *     exceeded the max string sequence.\n */\nhterm.VT.prototype.parseUntilStringTerminator_ = function(parseState) {\n  var buf = parseState.peekRemainingBuf();\n  var nextTerminator = buf.search(/(\\x1b\\\\|\\x07)/);\n  var args = parseState.args;\n\n  if (!args.length) {\n    args[0] = '';\n    args[1] = new Date();\n  }\n\n  if (nextTerminator == -1) {\n    // No terminator here, have to wait for the next string.\n\n    args[0] += buf;\n\n    var abortReason;\n\n    if (args[0].length > this.maxStringSequence)\n      abortReason = 'too long: ' + args[0].length;\n\n    if (args[0].indexOf('\\x1b') != -1)\n      abortReason = 'embedded escape: ' + args[0].indexOf('\\x1b');\n\n    if (new Date() - args[1] > this.oscTimeLimit_)\n      abortReason = 'timeout expired: ' + new Date() - args[1];\n\n    if (abortReason) {\n      console.log('parseUntilStringTerminator_: aborting: ' + abortReason,\n                  args[0]);\n      parseState.reset(args[0]);\n      return false;\n    }\n\n    parseState.advance(buf.length);\n    return true;\n  }\n\n  if (args[0].length + nextTerminator > this.maxStringSequence) {\n    // We found the end of the sequence, but we still think it's too long.\n    parseState.reset(args[0] + buf);\n    return false;\n  }\n\n  args[0] += buf.substr(0, nextTerminator);\n\n  parseState.resetParseFunction();\n  parseState.advance(nextTerminator +\n                     (buf.substr(nextTerminator, 1) == '\\x1b' ? 2 : 1));\n\n  return true;\n};\n\n/**\n * Dispatch to the function that handles a given CC1, ESC, or CSI or VT52 code.\n */\nhterm.VT.prototype.dispatch = function(type, code, parseState) {\n  var handler = hterm.VT[type][code];\n  if (!handler) {\n    if (this.warnUnimplemented)\n      console.warn('Unknown ' + type + ' code: ' + JSON.stringify(code));\n    return;\n  }\n\n  if (handler == hterm.VT.ignore) {\n    if (this.warnUnimplemented)\n      console.warn('Ignored ' + type + ' code: ' + JSON.stringify(code));\n    return;\n  }\n\n  if (type == 'CC1' && code > '\\x7f' && !this.enable8BitControl) {\n    // It's kind of a hack to put this here, but...\n    //\n    // If we're dispatching a 'CC1' code, and it's got the eighth bit set,\n    // but we're not supposed to handle 8-bit codes?  Just ignore it.\n    //\n    // This prevents an errant (DCS, '\\x90'), (OSC, '\\x9d'), (PM, '\\x9e') or\n    // (APC, '\\x9f') from locking up the terminal waiting for its expected\n    // (ST, '\\x9c') or (BEL, '\\x07').\n    console.warn('Ignoring 8-bit control code: 0x' +\n                 code.charCodeAt(0).toString(16));\n    return;\n  }\n\n  handler.apply(this, [parseState, code]);\n};\n\n/**\n * Set one of the ANSI defined terminal mode bits.\n *\n * Invoked in response to SM/RM.\n *\n * Unexpected and unimplemented values are silently ignored.\n */\nhterm.VT.prototype.setANSIMode = function(code, state) {\n  if (code == 4) {  // Insert Mode (IRM)\n    this.terminal.setInsertMode(state);\n  } else if (code == 20) {  // Automatic Newline (LNM)\n    this.terminal.setAutoCarriageReturn(state);\n  } else if (this.warnUnimplemented) {\n    console.warn('Unimplemented ANSI Mode: ' + code);\n  }\n};\n\n/**\n * Set or reset one of the DEC Private modes.\n *\n * Invoked in response to DECSET/DECRST.\n */\nhterm.VT.prototype.setDECMode = function(code, state) {\n  switch (parseInt(code, 10)) {\n    case 1:  // DECCKM\n      this.terminal.keyboard.applicationCursor = state;\n      break;\n\n    case 3:  // DECCOLM\n      if (this.allowColumnWidthChanges_) {\n        this.terminal.setWidth(state ? 132 : 80);\n\n        this.terminal.clearHome();\n        this.terminal.setVTScrollRegion(null, null);\n      }\n      break;\n\n    case 5:  // DECSCNM\n      this.terminal.setReverseVideo(state);\n      break;\n\n    case 6:  // DECOM\n      this.terminal.setOriginMode(state);\n      break;\n\n    case 7:  // DECAWM\n      this.terminal.setWraparound(state);\n      break;\n\n    case 12:  // Start blinking cursor\n      if (this.enableDec12)\n        this.terminal.setCursorBlink(state);\n      break;\n\n    case 25:  // DECTCEM\n      this.terminal.setCursorVisible(state);\n      break;\n\n    case 30:  // Show scrollbar\n      this.terminal.setScrollbarVisible(state);\n      break;\n\n    case 40:  // Allow 80 - 132 (DECCOLM) Mode\n      this.terminal.allowColumnWidthChanges_ = state;\n      break;\n\n    case 45:  // Reverse-wraparound Mode\n      this.terminal.setReverseWraparound(state);\n      break;\n\n    case 67:  // Backarrow key sends backspace (DECBKM)\n      this.terminal.keyboard.backspaceSendsBackspace = state;\n      break;\n\n    case 1000:  // Report on mouse clicks only.\n      this.mouseReport = (\n          state ? this.MOUSE_REPORT_CLICK : this.MOUSE_REPORT_DISABLED);\n      this.terminal.syncMouseStyle();\n      break;\n\n    case 1002:  // Report on mouse clicks and drags\n      this.mouseReport = (\n          state ? this.MOUSE_REPORT_DRAG : this.MOUSE_REPORT_DISABLED);\n      this.terminal.syncMouseStyle();\n      break;\n\n    case 1010:  // Scroll to bottom on tty output\n      this.terminal.scrollOnOutput = state;\n      break;\n\n    case 1011:  // Scroll to bottom on key press\n      this.terminal.scrollOnKeystroke = state;\n      break;\n\n    case 1036:  // Send ESC when Meta modifies a key\n      this.terminal.keyboard.metaSendsEscape = state;\n      break;\n\n    case 1039:  // Send ESC when Alt modifies a key\n      if (state) {\n        if (!this.terminal.keyboard.previousAltSendsWhat_) {\n          this.terminal.keyboard.previousAltSendsWhat_ =\n              this.terminal.keyboard.altSendsWhat;\n          this.terminal.keyboard.altSendsWhat = 'escape';\n        }\n      } else if (this.terminal.keyboard.previousAltSendsWhat_) {\n        this.terminal.keyboard.altSendsWhat =\n            this.terminal.keyboard.previousAltSendsWhat_;\n        this.terminal.keyboard.previousAltSendsWhat_ = null;\n      }\n      break;\n\n    case 47:  // Use Alternate Screen Buffer\n    case 1047:\n      this.terminal.setAlternateMode(state);\n      break;\n\n    case 1048:  // Save cursor as in DECSC.\n      this.savedState_.save();\n\n    case 1049:  // 1047 + 1048 + clear.\n      if (state) {\n        this.savedState_.save();\n        this.terminal.setAlternateMode(state);\n        this.terminal.clear();\n      } else {\n        this.terminal.setAlternateMode(state);\n        this.savedState_.restore();\n      }\n\n      break;\n\n    case 2004:  // Bracketed paste mode.\n      this.terminal.setBracketedPaste(state);\n      break;\n\n    default:\n      if (this.warnUnimplemented)\n        console.warn('Unimplemented DEC Private Mode: ' + code);\n      break;\n  }\n};\n\n/**\n * Function shared by control characters and escape sequences that are\n * ignored.\n */\nhterm.VT.ignore = function() {};\n\n/**\n * Collection of control characters expressed in a single byte.\n *\n * This includes the characters from the C0 and C1 sets (see [CTRL]) that we\n * care about.  Two byte versions of the C1 codes are defined in the\n * hterm.VT.ESC collection.\n *\n * The 'CC1' mnemonic here refers to the fact that these are one-byte Control\n * Codes.  It's only used in this source file and not defined in any of the\n * referenced documents.\n */\nhterm.VT.CC1 = {};\n\n/**\n * Collection of two-byte and three-byte sequences starting with ESC.\n */\nhterm.VT.ESC = {};\n\n/**\n * Collection of CSI (Control Sequence Introducer) sequences.\n *\n * These sequences begin with 'ESC [', and may take zero or more arguments.\n */\nhterm.VT.CSI = {};\n\n/**\n * Collection of OSC (Operating System Control) sequences.\n *\n * These sequences begin with 'ESC ]', followed by a function number and a\n * string terminated by either ST or BEL.\n */\nhterm.VT.OSC = {};\n\n/**\n * Collection of VT52 sequences.\n *\n * When in VT52 mode, other sequences are disabled.\n */\nhterm.VT.VT52 = {};\n\n/**\n * Null (NUL).\n *\n * Silently ignored.\n */\nhterm.VT.CC1['\\x00'] = hterm.VT.ignore;\n\n/**\n * Enquiry (ENQ).\n *\n * Transmit answerback message.\n *\n * The default answerback message in xterm is an empty string, so we just\n * ignore this.\n */\nhterm.VT.CC1['\\x05'] = hterm.VT.ignore;\n\n/**\n * Ring Bell (BEL).\n */\nhterm.VT.CC1['\\x07'] = function() {\n  this.terminal.ringBell();\n};\n\n/**\n * Backspace (BS).\n *\n * Move the cursor to the left one character position, unless it is at the\n * left margin, in which case no action occurs.\n */\nhterm.VT.CC1['\\x08'] = function() {\n  this.terminal.cursorLeft(1);\n};\n\n/**\n * Horizontal Tab (HT).\n *\n * Move the cursor to the next tab stop, or to the right margin if no further\n * tab stops are present on the line.\n */\nhterm.VT.CC1['\\x09'] = function() {\n  this.terminal.forwardTabStop();\n};\n\n/**\n * Line Feed (LF).\n *\n * This code causes a line feed or a new line operation.  See Automatic\n * Newline (LNM).\n */\nhterm.VT.CC1['\\x0a'] = function() {\n  this.terminal.formFeed();\n};\n\n/**\n * Vertical Tab (VT).\n *\n * Interpreted as LF.\n */\nhterm.VT.CC1['\\x0b'] = hterm.VT.CC1['\\x0a'];\n\n/**\n * Form Feed (FF).\n *\n * Interpreted as LF.\n */\nhterm.VT.CC1['\\x0c'] = hterm.VT.CC1['\\x0a'];\n\n/**\n * Carriage Return (CR).\n *\n * Move cursor to the left margin on the current line.\n */\nhterm.VT.CC1['\\x0d'] = function() {\n  this.terminal.setCursorColumn(0);\n};\n\n/**\n * Shift Out (SO), aka Lock Shift 0 (LS1).\n *\n * Invoke G1 character set in GL.\n */\nhterm.VT.CC1['\\x0e'] = function() {\n  this.GL = 'G1';\n};\n\n/**\n * Shift In (SI), aka Lock Shift 0 (LS0).\n *\n * Invoke G0 character set in GL.\n */\nhterm.VT.CC1['\\x0f'] = function() {\n  this.GL = 'G0';\n};\n\n/**\n * Transmit On (XON).\n *\n * Not currently implemented.\n *\n * TODO(rginda): Implement?\n */\nhterm.VT.CC1['\\x11'] = hterm.VT.ignore;\n\n/**\n * Transmit Off (XOFF).\n *\n * Not currently implemented.\n *\n * TODO(rginda): Implement?\n */\nhterm.VT.CC1['\\x13'] = hterm.VT.ignore;\n\n/**\n * Cancel (CAN).\n *\n * If sent during a control sequence, the sequence is immediately terminated\n * and not executed.\n *\n * It also causes the error character to be displayed.\n */\nhterm.VT.CC1['\\x18'] = function(parseState) {\n  // If we've shifted in the G1 character set, shift it back out to\n  // the default character set.\n  if (this.GL == 'G1') {\n    this.GL = 'G0';\n  }\n  parseState.resetParseFunction();\n  this.terminal.print('?');\n};\n\n/**\n * Substitute (SUB).\n *\n * Interpreted as CAN.\n */\nhterm.VT.CC1['\\x1a'] = hterm.VT.CC1['\\x18'];\n\n/**\n * Escape (ESC).\n */\nhterm.VT.CC1['\\x1b'] = function(parseState) {\n  function parseESC(parseState) {\n    var ch = parseState.consumeChar();\n\n    if (ch == '\\x1b')\n      return;\n\n    this.dispatch('ESC', ch, parseState);\n\n    if (parseState.func == parseESC)\n      parseState.resetParseFunction();\n  };\n\n  parseState.func = parseESC;\n};\n\n/**\n * Delete (DEL).\n */\nhterm.VT.CC1['\\x7f'] = hterm.VT.ignore;\n\n// 8 bit control characters and their two byte equivalents, below...\n\n/**\n * Index (IND).\n *\n * Like newline, only keep the X position\n */\nhterm.VT.CC1['\\x84'] =\nhterm.VT.ESC['D'] = function() {\n  this.terminal.lineFeed();\n};\n\n/**\n * Next Line (NEL).\n *\n * Like newline, but doesn't add lines.\n */\nhterm.VT.CC1['\\x85'] =\nhterm.VT.ESC['E'] = function() {\n  this.terminal.setCursorColumn(0);\n  this.terminal.cursorDown(1);\n};\n\n/**\n * Horizontal Tabulation Set (HTS).\n */\nhterm.VT.CC1['\\x88'] =\nhterm.VT.ESC['H'] = function() {\n  this.terminal.setTabStop(this.terminal.getCursorColumn());\n};\n\n/**\n * Reverse Index (RI).\n *\n * Move up one line.\n */\nhterm.VT.CC1['\\x8d'] =\nhterm.VT.ESC['M'] = function() {\n  this.terminal.reverseLineFeed();\n};\n\n/**\n * Single Shift 2 (SS2).\n *\n * Select of G2 Character Set for the next character only.\n *\n * Not currently implemented.\n */\nhterm.VT.CC1['\\x8e'] =\nhterm.VT.ESC['N'] = hterm.VT.ignore;\n\n/**\n * Single Shift 3 (SS3).\n *\n * Select of G3 Character Set for the next character only.\n *\n * Not currently implemented.\n */\nhterm.VT.CC1['\\x8f'] =\nhterm.VT.ESC['O'] = hterm.VT.ignore;\n\n/**\n * Device Control String (DCS).\n *\n * Indicate a DCS sequence.  See Device-Control functions in [XTERM].\n * Not currently implemented.\n *\n * TODO(rginda): Consider implementing DECRQSS, the rest don't seem applicable.\n */\nhterm.VT.CC1['\\x90'] =\nhterm.VT.ESC['P'] = function(parseState) {\n  parseState.resetArguments();\n  parseState.func = this.parseUntilStringTerminator_;\n};\n\n/**\n * Start of Guarded Area (SPA).\n *\n * Will not implement.\n */\nhterm.VT.CC1['\\x96'] =\nhterm.VT.ESC['V'] = hterm.VT.ignore;\n\n/**\n * End of Guarded Area (EPA).\n *\n * Will not implement.\n */\nhterm.VT.CC1['\\x97'] =\nhterm.VT.ESC['W'] = hterm.VT.ignore;\n\n/**\n * Start of String (SOS).\n *\n * Will not implement.\n */\nhterm.VT.CC1['\\x98'] =\nhterm.VT.ESC['X'] = hterm.VT.ignore;\n\n/**\n * Single Character Introducer (SCI, also DECID).\n *\n * Return Terminal ID.  Obsolete form of 'ESC [ c' (DA).\n */\nhterm.VT.CC1['\\x9a'] =\nhterm.VT.ESC['Z'] = function() {\n  this.terminal.io.sendString('\\x1b[?1;2c');\n};\n\n/**\n * Control Sequence Introducer (CSI).\n *\n * The lead into most escape sequences.  See [CSI].\n */\nhterm.VT.CC1['\\x9b'] =\nhterm.VT.ESC['['] = function(parseState) {\n  parseState.resetArguments();\n  this.leadingModifier_ = '';\n  this.trailingModifier_ = '';\n  parseState.func = this.parseCSI_;\n};\n\n/**\n * String Terminator (ST).\n *\n * Used to terminate DCS/OSC/PM/APC commands which may take string arguments.\n *\n * We don't directly handle it here, as it's only used to terminate other\n * sequences.  See the 'parseUntilStringTerminator_' method.\n */\nhterm.VT.CC1['\\x9c'] =\nhterm.VT.ESC['\\\\'] = hterm.VT.ignore;\n\n/**\n * Operating System Command (OSC).\n *\n * Commands relating to the operating system.\n */\nhterm.VT.CC1['\\x9d'] =\nhterm.VT.ESC[']'] = function(parseState) {\n  parseState.resetArguments();\n\n  function parseOSC(parseState) {\n    if (!this.parseUntilStringTerminator_(parseState)) {\n      // The string sequence was too long.\n      return;\n    }\n\n    if (parseState.func == parseOSC) {\n      // We're not done parsing the string yet.\n      return;\n    }\n\n    // We're done.\n    var ary = parseState.args[0].match(/^(\\d+);(.*)$/);\n    if (ary) {\n      parseState.args[0] = ary[2];\n      this.dispatch('OSC', ary[1], parseState);\n    } else {\n      console.warn('Invalid OSC: ' + JSON.stringify(parseState.args[0]));\n    }\n  };\n\n  parseState.func = parseOSC;\n};\n\n/**\n * Privacy Message (PM).\n *\n * Will not implement.\n */\nhterm.VT.CC1['\\x9e'] =\nhterm.VT.ESC['^'] = function(parseState) {\n  parseState.resetArguments();\n  parseState.func = this.parseUntilStringTerminator_;\n};\n\n/**\n * Application Program Control (APC).\n *\n * Will not implement.\n */\nhterm.VT.CC1['\\x9f'] =\nhterm.VT.ESC['_'] = function(parseState) {\n  parseState.resetArguments();\n  parseState.func = this.parseUntilStringTerminator_;\n};\n\n/**\n * ESC \\x20 - Unclear to me where these originated, possibly in xterm.\n *\n * Not currently implemented:\n *   ESC \\x20 F - Select 7 bit escape codes in responses (S7C1T).\n *   ESC \\x20 G - Select 8 bit escape codes in responses (S8C1T).\n *                NB: We currently assume S7C1T always.\n *\n * Will not implement:\n *   ESC \\x20 L - Set ANSI conformance level 1.\n *   ESC \\x20 M - Set ANSI conformance level 2.\n *   ESC \\x20 N - Set ANSI conformance level 3.\n */\nhterm.VT.ESC['\\x20'] = function(parseState) {\n  parseState.func = function(parseState) {\n    var ch = parseState.consumeChar();\n    if (this.warnUnimplemented)\n      console.warn('Unimplemented sequence: ESC 0x20 ' + ch);\n    parseState.resetParseFunction();\n  };\n};\n\n/**\n * DEC 'ESC #' sequences.\n */\nhterm.VT.ESC['#'] = function(parseState) {\n  parseState.func = function(parseState) {\n    var ch = parseState.consumeChar();\n    if (ch == '8')  // DEC Screen Alignment Test (DECALN)\n      this.terminal.fill('E');\n\n    parseState.resetParseFunction();\n  };\n};\n\n/**\n * Designate Other Coding System (DOCS).\n */\nhterm.VT.ESC['%'] = function(parseState) {\n  parseState.func = function(parseState) {\n    var ch = parseState.consumeChar();\n\n    // If we've locked the encoding, then just eat the bytes and return.\n    if (this.codingSystemLocked_) {\n      if (ch == '/')\n        parseState.consumeChar();\n      parseState.resetParseFunction();\n      return;\n    }\n\n    // Process the encoding requests.\n    switch (ch) {\n      case '@':\n        // Switch to ECMA 35.\n        this.setEncoding('iso-2022');\n        break;\n\n      case 'G':\n        // Switch to UTF-8.\n        this.setEncoding('utf-8');\n        break;\n\n      case '/':\n        // One way transition to something else.\n        ch = parseState.consumeChar();\n        switch (ch) {\n          case 'G':  // UTF-8 Level 1.\n          case 'H':  // UTF-8 Level 2.\n          case 'I':  // UTF-8 Level 3.\n            // We treat all UTF-8 levels the same.\n            this.setEncoding('utf-8-locked');\n            break;\n\n          default:\n            if (this.warnUnimplemented)\n              console.warn('Unknown ESC % / argument: ' + JSON.stringify(ch));\n            break;\n        }\n        break;\n\n      default:\n        if (this.warnUnimplemented)\n          console.warn('Unknown ESC % argument: ' + JSON.stringify(ch));\n        break;\n    }\n\n    parseState.resetParseFunction();\n  };\n};\n\n/**\n * Character Set Selection (SCS).\n *\n *   ESC ( Ps - Set G0 character set (VT100).\n *   ESC ) Ps - Set G1 character set (VT220).\n *   ESC * Ps - Set G2 character set (VT220).\n *   ESC + Ps - Set G3 character set (VT220).\n *   ESC - Ps - Set G1 character set (VT300).\n *   ESC . Ps - Set G2 character set (VT300).\n *   ESC / Ps - Set G3 character set (VT300).\n *\n * All other sequences are echoed to the terminal.\n */\nhterm.VT.ESC['('] =\nhterm.VT.ESC[')'] =\nhterm.VT.ESC['*'] =\nhterm.VT.ESC['+'] =\nhterm.VT.ESC['-'] =\nhterm.VT.ESC['.'] =\nhterm.VT.ESC['/'] = function(parseState, code) {\n  parseState.func = function(parseState) {\n    var ch = parseState.consumeChar();\n    if (ch == '\\x1b') {\n      parseState.resetParseFunction();\n      parseState.func();\n      return;\n    }\n\n    var map = this.characterMaps.getMap(ch);\n    if (map !== undefined) {\n      if (code == '(') {\n        this.G0 = map;\n      } else if (code == ')' || code == '-') {\n        this.G1 = map;\n      } else if (code == '*' || code == '.') {\n        this.G2 = map;\n      } else if (code == '+' || code == '/') {\n        this.G3 = map;\n      }\n    } else if (this.warnUnimplemented) {\n      console.log('Invalid character set for \"' + code + '\": ' + ch);\n    }\n\n    parseState.resetParseFunction();\n  };\n};\n\n/**\n * Back Index (DECBI).\n *\n * VT420 and up.  Not currently implemented.\n */\nhterm.VT.ESC['6'] = hterm.VT.ignore;\n\n/**\n * Save Cursor (DECSC).\n */\nhterm.VT.ESC['7'] = function() {\n  this.savedState_.save();\n};\n\n/**\n * Restore Cursor (DECRC).\n */\nhterm.VT.ESC['8'] = function() {\n  this.savedState_.restore();\n};\n\n/**\n * Forward Index (DECFI).\n *\n * VT210 and up.  Not currently implemented.\n */\nhterm.VT.ESC['9'] = hterm.VT.ignore;\n\n/**\n * Application keypad (DECKPAM).\n */\nhterm.VT.ESC['='] = function() {\n  this.terminal.keyboard.applicationKeypad = true;\n};\n\n/**\n * Normal keypad (DECKPNM).\n */\nhterm.VT.ESC['>'] = function() {\n  this.terminal.keyboard.applicationKeypad = false;\n};\n\n/**\n * Cursor to lower left corner of screen.\n *\n * Will not implement.\n *\n * This is only recognized by xterm when the hpLowerleftBugCompat resource is\n * set.\n */\nhterm.VT.ESC['F'] = hterm.VT.ignore;\n\n/**\n * Full Reset (RIS).\n */\nhterm.VT.ESC['c'] = function() {\n  this.reset();\n  this.terminal.reset();\n};\n\n/**\n * Memory lock/unlock.\n *\n * Will not implement.\n */\nhterm.VT.ESC['l'] =\nhterm.VT.ESC['m'] = hterm.VT.ignore;\n\n/**\n * Lock Shift 2 (LS2)\n *\n * Invoke the G2 Character Set as GL.\n */\nhterm.VT.ESC['n'] = function() {\n  this.GL = 'G2';\n};\n\n/**\n * Lock Shift 3 (LS3)\n *\n * Invoke the G3 Character Set as GL.\n */\nhterm.VT.ESC['o'] = function() {\n  this.GL = 'G3';\n};\n\n/**\n * Lock Shift 2, Right (LS3R)\n *\n * Invoke the G3 Character Set as GR.\n */\nhterm.VT.ESC['|'] = function() {\n  this.GR = 'G3';\n};\n\n/**\n * Lock Shift 2, Right (LS2R)\n *\n * Invoke the G2 Character Set as GR.\n */\nhterm.VT.ESC['}'] = function() {\n  this.GR = 'G2';\n};\n\n/**\n * Lock Shift 1, Right (LS1R)\n *\n * Invoke the G1 Character Set as GR.\n */\nhterm.VT.ESC['~'] = function() {\n  this.GR = 'G1';\n};\n\n/**\n * Change icon name and window title.\n *\n * We only change the window title.\n */\nhterm.VT.OSC['0'] = function(parseState) {\n  this.terminal.setWindowTitle(parseState.args[0]);\n};\n\n/**\n * Change window title.\n */\nhterm.VT.OSC['2'] = hterm.VT.OSC['0'];\n\n/**\n * Set/read color palette.\n */\nhterm.VT.OSC['4'] = function(parseState) {\n  // Args come in as a single 'index1;rgb1 ... ;indexN;rgbN' string.\n  // We split on the semicolon and iterate through the pairs.\n  var args = parseState.args[0].split(';');\n\n  var pairCount = parseInt(args.length / 2);\n  var colorPalette = this.terminal.getTextAttributes().colorPalette;\n  var responseArray = [];\n\n  for (var pairNumber = 0; pairNumber < pairCount; ++pairNumber) {\n    var colorIndex = parseInt(args[pairNumber * 2]);\n    var colorValue = args[pairNumber * 2 + 1];\n\n    if (colorIndex >= colorPalette.length)\n      continue;\n\n    if (colorValue == '?') {\n      // '?' means we should report back the current color value.\n      colorValue = lib.colors.rgbToX11(colorPalette[colorIndex]);\n      if (colorValue)\n        responseArray.push(colorIndex + ';' + colorValue);\n\n      continue;\n    }\n\n    colorValue = lib.colors.x11ToCSS(colorValue);\n    if (colorValue)\n      colorPalette[colorIndex] = colorValue;\n  }\n\n  if (responseArray.length)\n    this.terminal.io.sendString('\\x1b]4;' + responseArray.join(';') + '\\x07');\n};\n\n/**\n * iTerm2 growl notifications.\n */\nhterm.VT.OSC['9'] = function(parseState) {\n  // This just dumps the entire string as the message.\n  hterm.notify({'body': parseState.args[0]});\n};\n\n/**\n * Change VT100 text foreground color.\n */\nhterm.VT.OSC['10'] = function(parseState) {\n  // Args come in as a single string, but extra args will chain to the following\n  // OSC sequences.\n  var args = parseState.args[0].split(';');\n  if (!args)\n    return;\n\n  var colorArg;\n  var colorX11 = lib.colors.x11ToCSS(args.shift());\n  if (colorX11)\n    this.terminal.setForegroundColor(colorX11);\n\n  if (args.length > 0) {\n    parseState.args[0] = args.join(';');\n    hterm.VT.OSC['11'].apply(this, [parseState]);\n  }\n};\n\n/**\n * Change VT100 text background color.\n */\nhterm.VT.OSC['11'] = function(parseState) {\n  // Args come in as a single string, but extra args will chain to the following\n  // OSC sequences.\n  var args = parseState.args[0].split(';');\n  if (!args)\n    return;\n\n  var colorArg;\n  var colorX11 = lib.colors.x11ToCSS(args.shift());\n  if (colorX11)\n    this.terminal.setBackgroundColor(colorX11);\n\n  /* Note: If we support OSC 12+, we'd chain it here.\n  if (args.length > 0) {\n    parseState.args[0] = args.join(';');\n    hterm.VT.OSC['12'].apply(this, [parseState]);\n  }\n  */\n};\n\n/**\n * Set the cursor shape.\n *\n * Parameter is expected to be in the form \"CursorShape=number\", where number is\n * one of:\n *\n *   0 - Block\n *   1 - I-Beam\n *   2 - Underline\n *\n * This is a bit of a de-facto standard supported by iTerm 2 and Konsole.  See\n * also: DECSCUSR.\n *\n * Invalid numbers will restore the cursor to the block shape.\n */\nhterm.VT.OSC['50'] = function(parseState) {\n  var args = parseState.args[0].match(/CursorShape=(.)/i);\n  if (!args) {\n    console.warn('Could not parse OSC 50 args: ' + parseState.args[0]);\n    return;\n  }\n\n  switch (args[1]) {\n    case '1':  // CursorShape=1: I-Beam.\n      this.terminal.setCursorShape(hterm.Terminal.cursorShape.BEAM);\n      break;\n\n    case '2':  // CursorShape=2: Underline.\n      this.terminal.setCursorShape(hterm.Terminal.cursorShape.UNDERLINE);\n      break;\n\n    default:  // CursorShape=0: Block.\n      this.terminal.setCursorShape(hterm.Terminal.cursorShape.BLOCK);\n  }\n};\n\n/**\n * Set/read system clipboard.\n *\n * Read is not implemented due to security considerations.  A remote app\n * that is able to both write and read to the clipboard could essentially\n * take over your session.\n *\n * The clipboard data will be decoded according to the 'receive-encoding'\n * preference.\n */\nhterm.VT.OSC['52'] = function(parseState) {\n  // Args come in as a single 'clipboard;b64-data' string.  The clipboard\n  // parameter is used to select which of the X clipboards to address.  Since\n  // we're not integrating with X, we treat them all the same.\n  var args = parseState.args[0].match(/^[cps01234567]*;(.*)/);\n  if (!args)\n    return;\n\n  var data = window.atob(args[1]);\n  if (data)\n    this.terminal.copyStringToClipboard(this.decode(data));\n};\n\n/**\n * URxvt perl modules.\n *\n * This is the escape system used by rxvt-unicode and its perl modules.\n * Obviously we don't support perl or custom modules, so we list a few common\n * ones that we find useful.\n *\n * Technically there is no format here, but most modules obey:\n * <module name>;<module args, usually ; delimited>\n */\nhterm.VT.OSC['777'] = function(parseState) {\n  var ary;\n  var urxvtMod = parseState.args[0].split(';', 1)[0];\n\n  switch (urxvtMod) {\n    case 'notify':\n      // Format:\n      // notify;title;message\n      var title, message;\n      ary = parseState.args[0].match(/^[^;]+;([^;]*)(;([\\s\\S]*))?$/);\n      if (ary) {\n        title = ary[1];\n        message = ary[3];\n      }\n      hterm.notify({'title': title, 'body': message});\n      break;\n\n    default:\n      console.warn('Unknown urxvt module: ' + parseState.args[0]);\n      break;\n  }\n};\n\n/**\n * Insert (blank) characters (ICH).\n */\nhterm.VT.CSI['@'] = function(parseState) {\n  this.terminal.insertSpace(parseState.iarg(0, 1));\n};\n\n/**\n * Cursor Up (CUU).\n */\nhterm.VT.CSI['A'] = function(parseState) {\n  this.terminal.cursorUp(parseState.iarg(0, 1));\n};\n\n/**\n * Cursor Down (CUD).\n */\nhterm.VT.CSI['B'] = function(parseState) {\n  this.terminal.cursorDown(parseState.iarg(0, 1));\n};\n\n/**\n * Cursor Forward (CUF).\n */\nhterm.VT.CSI['C'] = function(parseState) {\n  this.terminal.cursorRight(parseState.iarg(0, 1));\n};\n\n/**\n * Cursor Backward (CUB).\n */\nhterm.VT.CSI['D'] = function(parseState) {\n  this.terminal.cursorLeft(parseState.iarg(0, 1));\n};\n\n/**\n * Cursor Next Line (CNL).\n *\n * This is like Cursor Down, except the cursor moves to the beginning of the\n * line as well.\n */\nhterm.VT.CSI['E'] = function(parseState) {\n  this.terminal.cursorDown(parseState.iarg(0, 1));\n  this.terminal.setCursorColumn(0);\n};\n\n/**\n * Cursor Preceding Line (CPL).\n *\n * This is like Cursor Up, except the cursor moves to the beginning of the\n * line as well.\n */\nhterm.VT.CSI['F'] = function(parseState) {\n  this.terminal.cursorUp(parseState.iarg(0, 1));\n  this.terminal.setCursorColumn(0);\n};\n\n/**\n * Cursor Character Absolute (CHA).\n */\nhterm.VT.CSI['G'] = function(parseState) {\n  this.terminal.setCursorColumn(parseState.iarg(0, 1) - 1);\n};\n\n/**\n * Cursor Position (CUP).\n */\nhterm.VT.CSI['H'] = function(parseState) {\n  this.terminal.setCursorPosition(parseState.iarg(0, 1) - 1,\n                                  parseState.iarg(1, 1) - 1);\n};\n\n/**\n * Cursor Forward Tabulation (CHT).\n */\nhterm.VT.CSI['I'] = function(parseState) {\n  var count = parseState.iarg(0, 1);\n  count = lib.f.clamp(count, 1, this.terminal.screenSize.width);\n  for (var i = 0; i < count; i++) {\n    this.terminal.forwardTabStop();\n  }\n};\n\n/**\n * Erase in Display (ED, DECSED).\n */\nhterm.VT.CSI['J'] =\nhterm.VT.CSI['?J'] = function(parseState, code) {\n  var arg = parseState.args[0];\n\n  if (!arg || arg == 0) {\n    this.terminal.eraseBelow();\n  } else if (arg == 1) {\n    this.terminal.eraseAbove();\n  } else if (arg == 2) {\n    this.terminal.clear();\n  } else if (arg == 3) {\n    // The xterm docs say this means \"Erase saved lines\", but we'll just clear\n    // the display since killing the scrollback seems rude.\n    this.terminal.clear();\n  }\n};\n\n/**\n * Erase in line (EL, DECSEL).\n */\nhterm.VT.CSI['K'] =\nhterm.VT.CSI['?K'] = function(parseState, code) {\n  var arg = parseState.args[0];\n\n  if (!arg || arg == 0) {\n    this.terminal.eraseToRight();\n  } else if (arg == 1) {\n    this.terminal.eraseToLeft();\n  } else if (arg == 2) {\n    this.terminal.eraseLine();\n  }\n};\n\n/**\n * Insert Lines (IL).\n */\nhterm.VT.CSI['L'] = function(parseState) {\n  this.terminal.insertLines(parseState.iarg(0, 1));\n};\n\n/**\n * Delete Lines (DL).\n */\nhterm.VT.CSI['M'] = function(parseState) {\n  this.terminal.deleteLines(parseState.iarg(0, 1));\n};\n\n/**\n * Delete Characters (DCH).\n *\n * This command shifts the line contents left, starting at the cursor position.\n */\nhterm.VT.CSI['P'] = function(parseState) {\n  this.terminal.deleteChars(parseState.iarg(0, 1));\n};\n\n/**\n * Scroll Up (SU).\n */\nhterm.VT.CSI['S'] = function(parseState) {\n  this.terminal.vtScrollUp(parseState.iarg(0, 1));\n};\n\n/**\n * Scroll Down (SD).\n * Also 'Initiate highlight mouse tracking'.  Will not implement this part.\n */\nhterm.VT.CSI['T'] = function(parseState) {\n  if (parseState.args.length <= 1)\n    this.terminal.vtScrollDown(parseState.iarg(0, 1));\n};\n\n/**\n * Reset one or more features of the title modes to the default value.\n *\n *   ESC [ > Ps T\n *\n * Normally, \"reset\" disables the feature. It is possible to disable the\n * ability to reset features by compiling a different default for the title\n * modes into xterm.\n *\n * Ps values:\n *   0 - Do not set window/icon labels using hexadecimal.\n *   1 - Do not query window/icon labels using hexadecimal.\n *   2 - Do not set window/icon labels using UTF-8.\n *   3 - Do not query window/icon labels using UTF-8.\n *\n * Will not implement.\n */\nhterm.VT.CSI['>T'] = hterm.VT.ignore;\n\n/**\n * Erase Characters (ECH).\n */\nhterm.VT.CSI['X'] = function(parseState) {\n  this.terminal.eraseToRight(parseState.iarg(0, 1));\n};\n\n/**\n * Cursor Backward Tabulation (CBT).\n */\nhterm.VT.CSI['Z'] = function(parseState) {\n  var count = parseState.iarg(0, 1);\n  count = lib.f.clamp(count, 1, this.terminal.screenSize.width);\n  for (var i = 0; i < count; i++) {\n    this.terminal.backwardTabStop();\n  }\n};\n\n/**\n * Character Position Absolute (HPA).\n *\n * Same as Cursor Character Absolute (CHA).\n */\nhterm.VT.CSI['`'] = hterm.VT.CSI['G'];\n\n/**\n * Character Position Relative (HPR).\n */\nhterm.VT.CSI['a'] = function(parseState) {\n  this.terminal.setCursorColumn(this.terminal.getCursorColumn() +\n                                parseState.iarg(0, 1));\n};\n\n/**\n * Repeat the preceding graphic character.\n *\n * Not currently implemented.\n */\nhterm.VT.CSI['b'] = hterm.VT.ignore;\n\n/**\n * Send Device Attributes (Primary DA).\n *\n * TODO(rginda): This is hardcoded to send back 'VT100 with Advanced Video\n * Option', but it may be more correct to send a VT220 response once\n * we fill out the 'Not currently implemented' parts.\n */\nhterm.VT.CSI['c'] = function(parseState) {\n  if (!parseState.args[0] || parseState.args[0] == 0) {\n    this.terminal.io.sendString('\\x1b[?1;2c');\n  }\n};\n\n/**\n * Send Device Attributes (Secondary DA).\n *\n * TODO(rginda): This is hardcoded to send back 'VT100' but it may be more\n * correct to send a VT220 response once we fill out more 'Not currently\n * implemented' parts.\n */\nhterm.VT.CSI['>c'] = function(parseState) {\n  this.terminal.io.sendString('\\x1b[>0;256;0c');\n};\n\n/**\n * Line Position Absolute (VPA).\n */\nhterm.VT.CSI['d'] = function(parseState) {\n  this.terminal.setAbsoluteCursorRow(parseState.iarg(0, 1) - 1);\n};\n\n/**\n * Horizontal and Vertical Position (HVP).\n *\n * Same as Cursor Position (CUP).\n */\nhterm.VT.CSI['f'] = hterm.VT.CSI['H'];\n\n/**\n * Tab Clear (TBC).\n */\nhterm.VT.CSI['g'] = function(parseState) {\n  if (!parseState.args[0] || parseState.args[0] == 0) {\n    // Clear tab stop at cursor.\n    this.terminal.clearTabStopAtCursor(false);\n  } else if (parseState.args[0] == 3) {\n    // Clear all tab stops.\n    this.terminal.clearAllTabStops();\n  }\n};\n\n/**\n * Set Mode (SM).\n */\nhterm.VT.CSI['h'] = function(parseState) {\n  for (var i = 0; i < parseState.args.length; i++) {\n    this.setANSIMode(parseState.args[i], true);\n  }\n};\n\n/**\n * DEC Private Mode Set (DECSET).\n */\nhterm.VT.CSI['?h'] = function(parseState) {\n  for (var i = 0; i < parseState.args.length; i++) {\n    this.setDECMode(parseState.args[i], true);\n  }\n};\n\n/**\n * Media Copy (MC).\n * Media Copy (MC, DEC Specific).\n *\n * These commands control the printer.  Will not implement.\n */\nhterm.VT.CSI['i'] =\nhterm.VT.CSI['?i'] = hterm.VT.ignore;\n\n/**\n * Reset Mode (RM).\n */\nhterm.VT.CSI['l'] = function(parseState) {\n  for (var i = 0; i < parseState.args.length; i++) {\n    this.setANSIMode(parseState.args[i], false);\n  }\n};\n\n/**\n * DEC Private Mode Reset (DECRST).\n */\nhterm.VT.CSI['?l'] = function(parseState) {\n  for (var i = 0; i < parseState.args.length; i++) {\n    this.setDECMode(parseState.args[i], false);\n  }\n};\n\n/**\n * Character Attributes (SGR).\n *\n * Iterate through the list of arguments, applying the attribute changes based\n * on the argument value...\n */\nhterm.VT.CSI['m'] = function(parseState) {\n  function get256(i) {\n    if (parseState.args.length < i + 2 || parseState.args[i + 1] != 5)\n      return null;\n\n    return parseState.iarg(i + 2, 0);\n  }\n\n  function getTrueColor(i) {\n    if (parseState.args.length < i + 5 || parseState.args[i + 1] != 2)\n      return null;\n    var r = parseState.iarg(i + 2, 0);\n    var g = parseState.iarg(i + 3, 0);\n    var b = parseState.iarg(i + 4, 0);\n\n    return 'rgb(' + r + ' ,' + g + ' ,' + b + ')';\n  }\n\n  var attrs = this.terminal.getTextAttributes();\n\n  if (!parseState.args.length) {\n    attrs.reset();\n    return;\n  }\n\n  for (var i = 0; i < parseState.args.length; i++) {\n    var arg = parseState.iarg(i, 0);\n\n    if (arg < 30) {\n      if (arg == 0) {  // Normal (default).\n        attrs.reset();\n      } else if (arg == 1) {  // Bold.\n        attrs.bold = true;\n      } else if (arg == 2) {  // Faint.\n        attrs.faint = true;\n      } else if (arg == 3) {  // Italic.\n        attrs.italic = true;\n      } else if (arg == 4) {  // Underline.\n        attrs.underline = true;\n      } else if (arg == 5) {  // Blink.\n        attrs.blink = true;\n      } else if (arg == 7) {  // Inverse.\n        attrs.inverse = true;\n      } else if (arg == 8) {  // Invisible.\n        attrs.invisible = true;\n      } else if (arg == 9) {  // Crossed out.\n        attrs.strikethrough = true;\n      } else if (arg == 22) {  // Not bold & not faint.\n        attrs.bold = false;\n        attrs.faint = false;\n      } else if (arg == 23) {  // Not italic.\n        attrs.italic = false;\n      } else if (arg == 24) {  // Not underlined.\n        attrs.underline = false;\n      } else if (arg == 25) {  // Not blink.\n        attrs.blink = false;\n      } else if (arg == 27) {  // Steady.\n        attrs.inverse = false;\n      } else if (arg == 28) {  // Visible.\n        attrs.invisible = false;\n      } else if (arg == 29) {  // Not crossed out.\n        attrs.strikethrough = false;\n      }\n\n    } else if (arg < 50) {\n      // Select fore/background color from bottom half of 16 color palette\n      // or from the 256 color palette or alternative specify color in fully\n      // qualified rgb(r, g, b) form.\n      if (arg < 38) {\n        attrs.foregroundSource = arg - 30;\n\n      } else if (arg == 38) {\n        // First check for true color definition\n        var trueColor = getTrueColor(i);\n        if (trueColor != null) {\n          attrs.foregroundSource = attrs.SRC_RGB;\n          attrs.foreground = trueColor;\n\n          i += 5;\n        } else {\n          // Check for 256 color\n          var c = get256(i);\n          if (c == null)\n            break;\n\n          i += 2;\n\n          if (c >= attrs.colorPalette.length)\n            continue;\n\n          attrs.foregroundSource = c;\n        }\n\n      } else if (arg == 39) {\n        attrs.foregroundSource = attrs.SRC_DEFAULT;\n\n      } else if (arg < 48) {\n        attrs.backgroundSource = arg - 40;\n\n      } else if (arg == 48) {\n        // First check for true color definition\n        var trueColor = getTrueColor(i);\n        if (trueColor != null) {\n          attrs.backgroundSource = attrs.SRC_RGB;\n          attrs.background = trueColor;\n\n          i += 5;\n        } else {\n          // Check for 256 color\n          var c = get256(i);\n          if (c == null)\n            break;\n\n          i += 2;\n\n          if (c >= attrs.colorPalette.length)\n            continue;\n\n          attrs.backgroundSource = c;\n        }\n      } else {\n        attrs.backgroundSource = attrs.SRC_DEFAULT;\n      }\n\n    } else if (arg >= 90 && arg <= 97) {\n      attrs.foregroundSource = arg - 90 + 8;\n\n    } else if (arg >= 100 && arg <= 107) {\n      attrs.backgroundSource = arg - 100 + 8;\n    }\n  }\n\n  attrs.setDefaults(this.terminal.getForegroundColor(),\n                    this.terminal.getBackgroundColor());\n};\n\n/**\n * Set xterm-specific keyboard modes.\n *\n * Will not implement.\n */\nhterm.VT.CSI['>m'] = hterm.VT.ignore;\n\n/**\n * Device Status Report (DSR, DEC Specific).\n *\n * 5 - Status Report. Result (OK) is CSI 0 n\n * 6 - Report Cursor Position (CPR) [row;column]. Result is CSI r ; c R\n */\nhterm.VT.CSI['n'] = function(parseState) {\n  if (parseState.args[0] == 5) {\n    this.terminal.io.sendString('\\x1b0n');\n  } else if (parseState.args[0] == 6) {\n    var row = this.terminal.getCursorRow() + 1;\n    var col = this.terminal.getCursorColumn() + 1;\n    this.terminal.io.sendString('\\x1b[' + row + ';' + col + 'R');\n  }\n};\n\n/**\n * Disable modifiers which may be enabled via CSI['>m'].\n *\n * Will not implement.\n */\nhterm.VT.CSI['>n'] = hterm.VT.ignore;\n\n/**\n * Device Status Report (DSR, DEC Specific).\n *\n * 6  - Report Cursor Position (CPR) [row;column] as CSI ? r ; c R\n * 15 - Report Printer status as CSI ? 1 0 n (ready) or\n *      CSI ? 1 1 n (not ready).\n * 25 - Report UDK status as CSI ? 2 0 n (unlocked) or CSI ? 2 1 n (locked).\n * 26 - Report Keyboard status as CSI ? 2 7 ; 1 ; 0 ; 0 n (North American).\n *      The last two parameters apply to VT400 & up, and denote keyboard ready\n *      and LK01 respectively.\n * 53 - Report Locator status as CSI ? 5 3 n Locator available, if compiled-in,\n *      or CSI ? 5 0 n No Locator, if not.\n */\nhterm.VT.CSI['?n'] = function(parseState) {\n  if (parseState.args[0] == 6) {\n    var row = this.terminal.getCursorRow() + 1;\n    var col = this.terminal.getCursorColumn() + 1;\n    this.terminal.io.sendString('\\x1b[' + row + ';' + col + 'R');\n  } else if (parseState.args[0] == 15) {\n    this.terminal.io.sendString('\\x1b[?11n');\n  } else if (parseState.args[0] == 25) {\n    this.terminal.io.sendString('\\x1b[?21n');\n  } else if (parseState.args[0] == 26) {\n    this.terminal.io.sendString('\\x1b[?12;1;0;0n');\n  } else if (parseState.args[0] == 53) {\n    this.terminal.io.sendString('\\x1b[?50n');\n  }\n};\n\n/**\n * This is used by xterm to decide whether to hide the pointer cursor as the\n * user types.\n *\n * Valid values for the parameter:\n *   0 - Never hide the pointer.\n *   1 - Hide if the mouse tracking mode is not enabled.\n *   2 - Always hide the pointer.\n *\n * If no parameter is given, xterm uses the default, which is 1.\n *\n * Not currently implemented.\n */\nhterm.VT.CSI['>p'] = hterm.VT.ignore;\n\n/**\n * Soft terminal reset (DECSTR).\n */\nhterm.VT.CSI['!p'] = function() {\n  this.reset();\n  this.terminal.softReset();\n};\n\n/**\n * Request ANSI Mode (DECRQM).\n *\n * Not currently implemented.\n */\nhterm.VT.CSI['$p'] = hterm.VT.ignore;\nhterm.VT.CSI['?$p'] = hterm.VT.ignore;\n\n/**\n * Set conformance level (DECSCL).\n *\n * Not currently implemented.\n */\nhterm.VT.CSI['\"p'] = hterm.VT.ignore;\n\n/**\n * Load LEDs (DECLL).\n *\n * Not currently implemented.  Could be implemented as virtual LEDs overlaying\n * the terminal if anyone cares.\n */\nhterm.VT.CSI['q'] = hterm.VT.ignore;\n\n/**\n * Set cursor style (DECSCUSR, VT520).\n */\nhterm.VT.CSI[' q'] = function(parseState) {\n  var arg = parseState.args[0];\n\n  if (arg == 0 || arg == 1) {\n    this.terminal.setCursorShape(hterm.Terminal.cursorShape.BLOCK);\n    this.terminal.setCursorBlink(true);\n  } else if (arg == 2) {\n    this.terminal.setCursorShape(hterm.Terminal.cursorShape.BLOCK);\n    this.terminal.setCursorBlink(false);\n  } else if (arg == 3) {\n    this.terminal.setCursorShape(hterm.Terminal.cursorShape.UNDERLINE);\n    this.terminal.setCursorBlink(true);\n  } else if (arg == 4) {\n    this.terminal.setCursorShape(hterm.Terminal.cursorShape.UNDERLINE);\n    this.terminal.setCursorBlink(false);\n  } else if (arg == 5) {\n    this.terminal.setCursorShape(hterm.Terminal.cursorShape.BEAM);\n    this.terminal.setCursorBlink(true);\n  } else if (arg == 6) {\n    this.terminal.setCursorShape(hterm.Terminal.cursorShape.BEAM);\n    this.terminal.setCursorBlink(false);\n  } else {\n    console.warn('Unknown cursor style: ' + arg);\n  }\n};\n\n/**\n * Select character protection attribute (DECSCA).\n *\n * Will not implement.\n */\nhterm.VT.CSI['\"q'] = hterm.VT.ignore;\n\n/**\n * Set Scrolling Region (DECSTBM).\n */\nhterm.VT.CSI['r'] = function(parseState) {\n  var args = parseState.args;\n  var scrollTop = args[0] ? parseInt(args[0], 10) -1 : null;\n  var scrollBottom = args[1] ? parseInt(args[1], 10) - 1 : null;\n  this.terminal.setVTScrollRegion(scrollTop, scrollBottom);\n  this.terminal.setCursorPosition(0, 0);\n};\n\n/**\n * Restore DEC Private Mode Values.\n *\n * Will not implement.\n */\nhterm.VT.CSI['?r'] = hterm.VT.ignore;\n\n/**\n * Change Attributes in Rectangular Area (DECCARA)\n *\n * Will not implement.\n */\nhterm.VT.CSI['$r'] = hterm.VT.ignore;\n\n/**\n * Save cursor (ANSI.SYS)\n */\nhterm.VT.CSI['s'] = function() {\n  this.savedState_.save();\n};\n\n/**\n * Save DEC Private Mode Values.\n *\n * Will not implement.\n */\nhterm.VT.CSI['?s'] = hterm.VT.ignore;\n\n/**\n * Window manipulation (from dtterm, as well as extensions).\n *\n * Will not implement.\n */\nhterm.VT.CSI['t'] = hterm.VT.ignore;\n\n/**\n * Reverse Attributes in Rectangular Area (DECRARA).\n *\n * Will not implement.\n */\nhterm.VT.CSI['$t'] = hterm.VT.ignore;\n\n/**\n * Set one or more features of the title modes.\n *\n * Will not implement.\n */\nhterm.VT.CSI['>t'] = hterm.VT.ignore;\n\n/**\n * Set warning-bell volume (DECSWBV, VT520).\n *\n * Will not implement.\n */\nhterm.VT.CSI[' t'] = hterm.VT.ignore;\n\n/**\n * Restore cursor (ANSI.SYS).\n */\nhterm.VT.CSI['u'] = function() {\n  this.savedState_.restore();\n};\n\n/**\n * Set margin-bell volume (DECSMBV, VT520).\n *\n * Will not implement.\n */\nhterm.VT.CSI[' u'] = hterm.VT.ignore;\n\n/**\n * Copy Rectangular Area (DECCRA, VT400 and up).\n *\n * Will not implement.\n */\nhterm.VT.CSI['$v'] = hterm.VT.ignore;\n\n/**\n * Enable Filter Rectangle (DECEFR).\n *\n * Will not implement.\n */\nhterm.VT.CSI['\\'w'] = hterm.VT.ignore;\n\n/**\n * Request Terminal Parameters (DECREQTPARM).\n *\n * Not currently implemented.\n */\nhterm.VT.CSI['x'] = hterm.VT.ignore;\n\n/**\n * Select Attribute Change Extent (DECSACE).\n *\n * Will not implement.\n */\nhterm.VT.CSI['*x'] = hterm.VT.ignore;\n\n/**\n * Fill Rectangular Area (DECFRA), VT420 and up.\n *\n * Will not implement.\n */\nhterm.VT.CSI['$x'] = hterm.VT.ignore;\n\n/**\n * vt_tiledata (as used by NAOhack and UnNetHack)\n * (see https://nethackwiki.com/wiki/Vt_tiledata for more info)\n *\n * Implemented as far as we care (start a glyph and end a glyph).\n */\nhterm.VT.CSI['z'] = function(parseState) {\n  if (parseState.args.length < 1)\n    return;\n  var arg = parseState.args[0];\n  if (arg == 0) {\n    // Start a glyph (one parameter, the glyph number).\n    if (parseState.args.length < 2)\n      return;\n    this.terminal.getTextAttributes().tileData = parseState.args[1];\n  } else if (arg == 1) {\n    // End a glyph.\n    this.terminal.getTextAttributes().tileData = null;\n  }\n};\n\n/**\n * Enable Locator Reporting (DECELR).\n *\n * Not currently implemented.\n */\nhterm.VT.CSI['\\'z'] = hterm.VT.ignore;\n\n/**\n * Erase Rectangular Area (DECERA), VT400 and up.\n *\n * Will not implement.\n */\nhterm.VT.CSI['$z'] = hterm.VT.ignore;\n\n/**\n * Select Locator Events (DECSLE).\n *\n * Not currently implemented.\n */\nhterm.VT.CSI['\\'{'] = hterm.VT.ignore;\n\n/**\n * Request Locator Position (DECRQLP).\n *\n * Not currently implemented.\n */\nhterm.VT.CSI['\\'|'] = hterm.VT.ignore;\n\n/**\n * Insert Columns (DECIC), VT420 and up.\n *\n * Will not implement.\n */\nhterm.VT.CSI['\\'}'] = hterm.VT.ignore;\n\n/**\n * Delete P s Columns (DECDC), VT420 and up.\n *\n * Will not implement.\n */\nhterm.VT.CSI['\\'~'] = hterm.VT.ignore;\n// SOURCE FILE: hterm/js/hterm_vt_character_map.js\n// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\n'use strict';\n\nlib.rtdep('lib.f');\n\n/**\n * Character map object.\n *\n * Mapping from received to display character, used depending on the active\n * VT character set.\n *\n * GR maps are not currently supported.\n *\n * @param {string} description A human readable description of this map.\n * @param {Object} glmap The GL mapping from input to output characters.\n */\nhterm.VT.CharacterMap = function(description, glmap) {\n  /**\n   * Short description for this character set, useful for debugging.\n   */\n  this.description = description;\n\n  /**\n   * The function to call to when this map is installed in GL.\n   */\n  this.GL = null;\n\n  // Always keep an unmodified reference to the map.\n  // This allows us to sanely reset back to the original state.\n  this.glmapBase_ = glmap;\n\n  // Now sync the internal state as needed.\n  this.sync_();\n};\n\n/**\n * Internal helper for resyncing internal state.\n *\n * Used when the mappings change.\n *\n * @param {Object?} opt_glmap Additional mappings to overlay on top of the\n *     base mapping.\n */\nhterm.VT.CharacterMap.prototype.sync_ = function(opt_glmap) {\n  // If there are no maps, then reset the state back.\n  if (!this.glmapBase_ && !opt_glmap) {\n    this.GL = null;\n    delete this.glmap_;\n    delete this.glre_;\n    return;\n  }\n\n  // Set the the GL mapping.  If we're given a custom mapping, then create a\n  // new object to hold the merged map.  This way we can cleanly reset back.\n  if (opt_glmap)\n    this.glmap_ = Object.assign({}, this.glmapBase_, opt_glmap);\n  else\n    this.glmap_ = this.glmapBase_;\n\n  var glchars = Object.keys(this.glmap_).map((key) =>\n      '\\\\x' + lib.f.zpad(key.charCodeAt(0).toString(16)));\n  this.glre_ = new RegExp('[' + glchars.join('') + ']', 'g');\n\n  this.GL = (str) => str.replace(this.glre_, (ch) => this.glmap_[ch]);\n};\n\n/**\n * Reset map back to original mappings (discarding runtime updates).\n *\n * Specifically, any calls to setOverrides will be discarded.\n */\nhterm.VT.CharacterMap.prototype.reset = function() {\n  // If we haven't been given a custom mapping, then there's nothing to reset.\n  if (this.glmap_ !== this.glmapBase_)\n    this.sync_();\n};\n\n/**\n * Merge custom changes to this map.\n *\n * The input map need not duplicate the existing mappings as it is merged with\n * the existing base map (what was created with).  Subsequent calls to this\n * will throw away previous override settings.\n *\n * @param {Object} glmap The custom map to override existing mappings.\n */\nhterm.VT.CharacterMap.prototype.setOverrides = function(glmap) {\n  this.sync_(glmap);\n};\n\n/**\n * Return a copy of this mapping.\n *\n * @return {hterm.VT.CharacterMap} A new hterm.VT.CharacterMap instance.\n */\nhterm.VT.CharacterMap.prototype.clone = function() {\n  var map = new hterm.VT.CharacterMap(this.description, this.glmapBase_);\n  if (this.glmap_ !== this.glmapBase_)\n    map.setOverrides(this.glmap_);\n  return map;\n};\n\n/**\n * Table of character maps.\n */\nhterm.VT.CharacterMaps = function() {\n  this.maps_ = hterm.VT.CharacterMaps.DefaultMaps;\n\n  // Always keep an unmodified reference to the map.\n  // This allows us to sanely reset back to the original state.\n  this.mapsBase_ = this.maps_;\n};\n\n/**\n * Look up a previously registered map.\n *\n * @param {String} name The name of the map to lookup.\n * @return {hterm.VT.CharacterMap} The map, if it's been registered.\n */\nhterm.VT.CharacterMaps.prototype.getMap = function(name) {\n  if (this.maps_.hasOwnProperty(name))\n    return this.maps_[name];\n  else\n    return undefined;\n};\n\n/**\n * Register a new map.\n *\n * Any previously registered maps by this name will be discarded.\n *\n * @param {String} name The name of the map.\n * @param {hterm.VT.CharacterMap} map The map to register.\n */\nhterm.VT.CharacterMaps.prototype.addMap = function(name, map) {\n  if (this.maps_ === this.mapsBase_)\n    this.maps_ = Object.assign({}, this.mapsBase_);\n  this.maps_[name] = map;\n};\n\n/**\n * Reset the table and all its maps back to original state.\n */\nhterm.VT.CharacterMaps.prototype.reset = function() {\n  if (this.maps_ !== hterm.VT.CharacterMaps.DefaultMaps)\n    this.maps_ = hterm.VT.CharacterMaps.DefaultMaps;\n};\n\n/**\n * Merge custom changes to this table.\n *\n * @param {Object} maps A set of hterm.VT.CharacterMap objects.\n */\nhterm.VT.CharacterMaps.prototype.setOverrides = function(maps) {\n  if (this.maps_ === this.mapsBase_)\n    this.maps_ = Object.assign({}, this.mapsBase_);\n\n  for (var name in maps) {\n    var map = this.getMap(name);\n    if (map !== undefined) {\n      this.maps_[name] = map.clone();\n      this.maps_[name].setOverrides(maps[name]);\n    } else\n      this.addMap(name, new hterm.VT.CharacterMap('user ' + name, maps[name]));\n  }\n};\n\n/**\n * The default set of supported character maps.\n */\nhterm.VT.CharacterMaps.DefaultMaps = {};\n\n/**\n * VT100 Graphic character map.\n * http://vt100.net/docs/vt220-rm/table2-4.html\n */\nhterm.VT.CharacterMaps.DefaultMaps['0'] = new hterm.VT.CharacterMap(\n    'graphic', {\n      '\\x60':'\\u25c6',  // ` -> diamond\n      '\\x61':'\\u2592',  // a -> grey-box\n      '\\x62':'\\u2409',  // b -> h/t\n      '\\x63':'\\u240c',  // c -> f/f\n      '\\x64':'\\u240d',  // d -> c/r\n      '\\x65':'\\u240a',  // e -> l/f\n      '\\x66':'\\u00b0',  // f -> degree\n      '\\x67':'\\u00b1',  // g -> +/-\n      '\\x68':'\\u2424',  // h -> n/l\n      '\\x69':'\\u240b',  // i -> v/t\n      '\\x6a':'\\u2518',  // j -> bottom-right\n      '\\x6b':'\\u2510',  // k -> top-right\n      '\\x6c':'\\u250c',  // l -> top-left\n      '\\x6d':'\\u2514',  // m -> bottom-left\n      '\\x6e':'\\u253c',  // n -> line-cross\n      '\\x6f':'\\u23ba',  // o -> scan1\n      '\\x70':'\\u23bb',  // p -> scan3\n      '\\x71':'\\u2500',  // q -> scan5\n      '\\x72':'\\u23bc',  // r -> scan7\n      '\\x73':'\\u23bd',  // s -> scan9\n      '\\x74':'\\u251c',  // t -> left-tee\n      '\\x75':'\\u2524',  // u -> right-tee\n      '\\x76':'\\u2534',  // v -> bottom-tee\n      '\\x77':'\\u252c',  // w -> top-tee\n      '\\x78':'\\u2502',  // x -> vertical-line\n      '\\x79':'\\u2264',  // y -> less-equal\n      '\\x7a':'\\u2265',  // z -> greater-equal\n      '\\x7b':'\\u03c0',  // { -> pi\n      '\\x7c':'\\u2260',  // | -> not-equal\n      '\\x7d':'\\u00a3',  // } -> british-pound\n      '\\x7e':'\\u00b7',  // ~ -> dot\n    });\n\n/**\n * British character map.\n * http://vt100.net/docs/vt220-rm/table2-5.html\n */\nhterm.VT.CharacterMaps.DefaultMaps['A'] = new hterm.VT.CharacterMap(\n    'british', {\n      '\\x23': '\\u00a3',  // # -> british-pound\n    });\n\n/**\n * US ASCII map, no changes.\n */\nhterm.VT.CharacterMaps.DefaultMaps['B'] = new hterm.VT.CharacterMap(\n    'us', null);\n\n/**\n * Dutch character map.\n * http://vt100.net/docs/vt220-rm/table2-6.html\n */\nhterm.VT.CharacterMaps.DefaultMaps['4'] = new hterm.VT.CharacterMap(\n    'dutch', {\n      '\\x23': '\\u00a3',  // # -> british-pound\n\n      '\\x40': '\\u00be',  // @ -> 3/4\n\n      '\\x5b': '\\u0132',  // [ -> 'ij' ligature (xterm goes with \\u00ff?)\n      '\\x5c': '\\u00bd',  // \\ -> 1/2\n      '\\x5d': '\\u007c',  // ] -> vertical bar\n\n      '\\x7b': '\\u00a8',  // { -> two dots\n      '\\x7c': '\\u0066',  // | -> f\n      '\\x7d': '\\u00bc',  // } -> 1/4\n      '\\x7e': '\\u00b4',  // ~ -> acute\n    });\n\n/**\n * Finnish character map.\n * http://vt100.net/docs/vt220-rm/table2-7.html\n */\nhterm.VT.CharacterMaps.DefaultMaps['C'] =\nhterm.VT.CharacterMaps.DefaultMaps['5'] = new hterm.VT.CharacterMap(\n    'finnish', {\n      '\\x5b': '\\u00c4',  // [ -> 'A' umlaut\n      '\\x5c': '\\u00d6',  // \\ -> 'O' umlaut\n      '\\x5d': '\\u00c5',  // ] -> 'A' ring\n      '\\x5e': '\\u00dc',  // ~ -> 'u' umlaut\n\n      '\\x60': '\\u00e9',  // ` -> 'e' acute\n\n      '\\x7b': '\\u00e4',  // { -> 'a' umlaut\n      '\\x7c': '\\u00f6',  // | -> 'o' umlaut\n      '\\x7d': '\\u00e5',  // } -> 'a' ring\n      '\\x7e': '\\u00fc',  // ~ -> 'u' umlaut\n    });\n\n/**\n * French character map.\n * http://vt100.net/docs/vt220-rm/table2-8.html\n */\nhterm.VT.CharacterMaps.DefaultMaps['R'] = new hterm.VT.CharacterMap(\n    'french', {\n      '\\x23': '\\u00a3',  // # -> british-pound\n\n      '\\x40': '\\u00e0',  // @ -> 'a' grave\n\n      '\\x5b': '\\u00b0',  // [ -> ring\n      '\\x5c': '\\u00e7',  // \\ -> 'c' cedilla\n      '\\x5d': '\\u00a7',  // ] -> section symbol (double s)\n\n      '\\x7b': '\\u00e9',  // { -> 'e' acute\n      '\\x7c': '\\u00f9',  // | -> 'u' grave\n      '\\x7d': '\\u00e8',  // } -> 'e' grave\n      '\\x7e': '\\u00a8',  // ~ -> umlaut\n    });\n\n/**\n * French Canadian character map.\n * http://vt100.net/docs/vt220-rm/table2-9.html\n */\nhterm.VT.CharacterMaps.DefaultMaps['Q'] = new hterm.VT.CharacterMap(\n    'french canadian', {\n      '\\x40': '\\u00e0',  // @ -> 'a' grave\n\n      '\\x5b': '\\u00e2',  // [ -> 'a' circumflex\n      '\\x5c': '\\u00e7',  // \\ -> 'c' cedilla\n      '\\x5d': '\\u00ea',  // ] -> 'e' circumflex\n      '\\x5e': '\\u00ee',  // ^ -> 'i' circumflex\n\n      '\\x60': '\\u00f4',  // ` -> 'o' circumflex\n\n      '\\x7b': '\\u00e9',  // { -> 'e' acute\n      '\\x7c': '\\u00f9',  // | -> 'u' grave\n      '\\x7d': '\\u00e8',  // } -> 'e' grave\n      '\\x7e': '\\u00fb',  // ~ -> 'u' circumflex\n    });\n\n/**\n * German character map.\n * http://vt100.net/docs/vt220-rm/table2-10.html\n */\nhterm.VT.CharacterMaps.DefaultMaps['K'] = new hterm.VT.CharacterMap(\n    'german', {\n      '\\x40': '\\u00a7',  // @ -> section symbol (double s)\n\n      '\\x5b': '\\u00c4',  // [ -> 'A' umlaut\n      '\\x5c': '\\u00d6',  // \\ -> 'O' umlaut\n      '\\x5d': '\\u00dc',  // ] -> 'U' umlaut\n\n      '\\x7b': '\\u00e4',  // { -> 'a' umlaut\n      '\\x7c': '\\u00f6',  // | -> 'o' umlaut\n      '\\x7d': '\\u00fc',  // } -> 'u' umlaut\n      '\\x7e': '\\u00df',  // ~ -> eszett\n    });\n\n/**\n * Italian character map.\n * http://vt100.net/docs/vt220-rm/table2-11.html\n */\nhterm.VT.CharacterMaps.DefaultMaps['Y'] = new hterm.VT.CharacterMap(\n    'italian', {\n      '\\x23': '\\u00a3',  // # -> british-pound\n\n      '\\x40': '\\u00a7',  // @ -> section symbol (double s)\n\n      '\\x5b': '\\u00b0',  // [ -> ring\n      '\\x5c': '\\u00e7',  // \\ -> 'c' cedilla\n      '\\x5d': '\\u00e9',  // ] -> 'e' acute\n\n      '\\x60': '\\u00f9',  // ` -> 'u' grave\n\n      '\\x7b': '\\u00e0',  // { -> 'a' grave\n      '\\x7c': '\\u00f2',  // | -> 'o' grave\n      '\\x7d': '\\u00e8',  // } -> 'e' grave\n      '\\x7e': '\\u00ec',  // ~ -> 'i' grave\n    });\n\n/**\n * Norwegian/Danish character map.\n * http://vt100.net/docs/vt220-rm/table2-12.html\n */\nhterm.VT.CharacterMaps.DefaultMaps['E'] =\nhterm.VT.CharacterMaps.DefaultMaps['6'] = new hterm.VT.CharacterMap(\n    'norwegian/danish', {\n      '\\x40': '\\u00c4',  // @ -> 'A' umlaut\n\n      '\\x5b': '\\u00c6',  // [ -> 'AE' ligature\n      '\\x5c': '\\u00d8',  // \\ -> 'O' stroke\n      '\\x5d': '\\u00c5',  // ] -> 'A' ring\n      '\\x5e': '\\u00dc',  // ^ -> 'U' umlaut\n\n      '\\x60': '\\u00e4',  // ` -> 'a' umlaut\n\n      '\\x7b': '\\u00e6',  // { -> 'ae' ligature\n      '\\x7c': '\\u00f8',  // | -> 'o' stroke\n      '\\x7d': '\\u00e5',  // } -> 'a' ring\n      '\\x7e': '\\u00fc',  // ~ -> 'u' umlaut\n    });\n\n/**\n * Spanish character map.\n * http://vt100.net/docs/vt220-rm/table2-13.html\n */\nhterm.VT.CharacterMaps.DefaultMaps['Z'] = new hterm.VT.CharacterMap(\n    'spanish', {\n      '\\x23': '\\u00a3',  // # -> british-pound\n\n      '\\x40': '\\u00a7',  // @ -> section symbol (double s)\n\n      '\\x5b': '\\u00a1',  // [ -> '!' inverted\n      '\\x5c': '\\u00d1',  // \\ -> 'N' tilde\n      '\\x5d': '\\u00bf',  // ] -> '?' inverted\n\n      '\\x7b': '\\u00b0',  // { -> ring\n      '\\x7c': '\\u00f1',  // | -> 'n' tilde\n      '\\x7d': '\\u00e7',  // } -> 'c' cedilla\n    });\n\n/**\n * Swedish character map.\n * http://vt100.net/docs/vt220-rm/table2-14.html\n */\nhterm.VT.CharacterMaps.DefaultMaps['7'] =\nhterm.VT.CharacterMaps.DefaultMaps['H'] = new hterm.VT.CharacterMap(\n    'swedish', {\n      '\\x40': '\\u00c9',  // @ -> 'E' acute\n\n      '\\x5b': '\\u00c4',  // [ -> 'A' umlaut\n      '\\x5c': '\\u00d6',  // \\ -> 'O' umlaut\n      '\\x5d': '\\u00c5',  // ] -> 'A' ring\n      '\\x5e': '\\u00dc',  // ^ -> 'U' umlaut\n\n      '\\x60': '\\u00e9',  // ` -> 'e' acute\n\n      '\\x7b': '\\u00e4',  // { -> 'a' umlaut\n      '\\x7c': '\\u00f6',  // | -> 'o' umlaut\n      '\\x7d': '\\u00e5',  // } -> 'a' ring\n      '\\x7e': '\\u00fc',  // ~ -> 'u' umlaut\n    });\n\n/**\n * Swiss character map.\n * http://vt100.net/docs/vt220-rm/table2-15.html\n */\nhterm.VT.CharacterMaps.DefaultMaps['='] = new hterm.VT.CharacterMap(\n    'swiss', {\n      '\\x23': '\\u00f9',  // # -> 'u' grave\n\n      '\\x40': '\\u00e0',  // @ -> 'a' grave\n\n      '\\x5b': '\\u00e9',  // [ -> 'e' acute\n      '\\x5c': '\\u00e7',  // \\ -> 'c' cedilla\n      '\\x5d': '\\u00ea',  // ] -> 'e' circumflex\n      '\\x5e': '\\u00ee',  // ^ -> 'i' circumflex\n      '\\x5f': '\\u00e8',  // _ -> 'e' grave\n\n      '\\x60': '\\u00f4',  // ` -> 'o' circumflex\n\n      '\\x7b': '\\u00e4',  // { -> 'a' umlaut\n      '\\x7c': '\\u00f6',  // | -> 'o' umlaut\n      '\\x7d': '\\u00fc',  // } -> 'u' umlaut\n      '\\x7e': '\\u00fb',  // ~ -> 'u' circumflex\n    });\nlib.resource.add('hterm/audio/bell', 'audio/ogg;base64',\n'T2dnUwACAAAAAAAAAADhqW5KAAAAAMFvEjYBHgF2b3JiaXMAAAAAAYC7AAAAAAAAAHcBAAAAAAC4' +\n'AU9nZ1MAAAAAAAAAAAAA4aluSgEAAAAAesI3EC3//////////////////8kDdm9yYmlzHQAAAFhp' +\n'cGguT3JnIGxpYlZvcmJpcyBJIDIwMDkwNzA5AAAAAAEFdm9yYmlzKUJDVgEACAAAADFMIMWA0JBV' +\n'AAAQAABgJCkOk2ZJKaWUoSh5mJRISSmllMUwiZiUicUYY4wxxhhjjDHGGGOMIDRkFQAABACAKAmO' +\n'o+ZJas45ZxgnjnKgOWlOOKcgB4pR4DkJwvUmY26mtKZrbs4pJQgNWQUAAAIAQEghhRRSSCGFFGKI' +\n'IYYYYoghhxxyyCGnnHIKKqigggoyyCCDTDLppJNOOumoo4466ii00EILLbTSSkwx1VZjrr0GXXxz' +\n'zjnnnHPOOeecc84JQkNWAQAgAAAEQgYZZBBCCCGFFFKIKaaYcgoyyIDQkFUAACAAgAAAAABHkRRJ' +\n'sRTLsRzN0SRP8ixREzXRM0VTVE1VVVVVdV1XdmXXdnXXdn1ZmIVbuH1ZuIVb2IVd94VhGIZhGIZh' +\n'GIZh+H3f933f930gNGQVACABAKAjOZbjKaIiGqLiOaIDhIasAgBkAAAEACAJkiIpkqNJpmZqrmmb' +\n'tmirtm3LsizLsgyEhqwCAAABAAQAAAAAAKBpmqZpmqZpmqZpmqZpmqZpmqZpmmZZlmVZlmVZlmVZ' 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+\n''\n);\n\nlib.resource.add('hterm/changelog/version', 'text/plain',\n'1.70' +\n''\n);\n\nlib.resource.add('hterm/changelog/date', 'text/plain',\n'2017-08-16' +\n''\n);\n\nlib.resource.add('hterm/git/HEAD', 'text/plain',\n'git rev-parse HEAD' +\n''\n);\n\n// SOURCE FILE: hterm/js/hterm_export.js\nmodule.exports = {\n    hterm: hterm,\n    lib: lib\n};\n\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/libapps/hterm/dist/js/hterm_module.js\n// module id = 14\n// module chunks = 0","import { Hterm } from \"./hterm\";\nimport { Xterm } from \"./xterm\";\nimport { Terminal, WebTTY, protocols } from \"./webtty\";\nimport { ConnectionFactory } from \"./websocket\";\n\n// @TODO remove these\ndeclare var gotty_auth_token: string;\ndeclare var gotty_term: string;\n\nconst elem = document.getElementById(\"terminal\")\n\nif (elem !== null) {\n    var term: Terminal;\n    if (gotty_term == \"hterm\") {\n        term = new Hterm(elem);\n    } else {\n        term = new Xterm(elem);\n    }\n    const httpsEnabled = window.location.protocol == \"https:\";\n    const url = (httpsEnabled ? 'wss://' : 'ws://') + window.location.host + window.location.pathname + 'ws';\n    const args = window.location.search;\n    const factory = new ConnectionFactory(url, protocols);\n    const wt = new WebTTY(term, factory, args, gotty_auth_token);\n    const closer = wt.open();\n\n    window.addEventListener(\"unload\", () => {\n        closer();\n        term.close();\n    });\n};\n\n\n\n// WEBPACK FOOTER //\n// ./src/main.ts","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar CompositionHelper = (function () {\n    function CompositionHelper(textarea, compositionView, terminal) {\n        this.textarea = textarea;\n        this.compositionView = compositionView;\n        this.terminal = terminal;\n        this.isComposing = false;\n        this.isSendingComposition = false;\n        this.compositionPosition = { start: null, end: null };\n    }\n    CompositionHelper.prototype.compositionstart = function () {\n        this.isComposing = true;\n        this.compositionPosition.start = this.textarea.value.length;\n        this.compositionView.textContent = '';\n        this.compositionView.classList.add('active');\n    };\n    CompositionHelper.prototype.compositionupdate = function (ev) {\n        var _this = this;\n        this.compositionView.textContent = ev.data;\n        this.updateCompositionElements();\n        setTimeout(function () {\n            _this.compositionPosition.end = _this.textarea.value.length;\n        }, 0);\n    };\n    CompositionHelper.prototype.compositionend = function () {\n        this.finalizeComposition(true);\n    };\n    CompositionHelper.prototype.keydown = function (ev) {\n        if (this.isComposing || this.isSendingComposition) {\n            if (ev.keyCode === 229) {\n                return false;\n            }\n            else if (ev.keyCode === 16 || ev.keyCode === 17 || ev.keyCode === 18) {\n                return false;\n            }\n            else {\n                this.finalizeComposition(false);\n            }\n        }\n        if (ev.keyCode === 229) {\n            this.handleAnyTextareaChanges();\n            return false;\n        }\n        return true;\n    };\n    CompositionHelper.prototype.finalizeComposition = function (waitForPropogation) {\n        var _this = this;\n        this.compositionView.classList.remove('active');\n        this.isComposing = false;\n        this.clearTextareaPosition();\n        if (!waitForPropogation) {\n            this.isSendingComposition = false;\n            var input = this.textarea.value.substring(this.compositionPosition.start, this.compositionPosition.end);\n            this.terminal.handler(input);\n        }\n        else {\n            var currentCompositionPosition_1 = {\n                start: this.compositionPosition.start,\n                end: this.compositionPosition.end,\n            };\n            this.isSendingComposition = true;\n            setTimeout(function () {\n                if (_this.isSendingComposition) {\n                    _this.isSendingComposition = false;\n                    var input = void 0;\n                    if (_this.isComposing) {\n                        input = _this.textarea.value.substring(currentCompositionPosition_1.start, currentCompositionPosition_1.end);\n                    }\n                    else {\n                        input = _this.textarea.value.substring(currentCompositionPosition_1.start);\n                    }\n                    _this.terminal.handler(input);\n                }\n            }, 0);\n        }\n    };\n    CompositionHelper.prototype.handleAnyTextareaChanges = function () {\n        var _this = this;\n        var oldValue = this.textarea.value;\n        setTimeout(function () {\n            if (!_this.isComposing) {\n                var newValue = _this.textarea.value;\n                var diff = newValue.replace(oldValue, '');\n                if (diff.length > 0) {\n                    _this.terminal.handler(diff);\n                }\n            }\n        }, 0);\n    };\n    CompositionHelper.prototype.updateCompositionElements = function (dontRecurse) {\n        var _this = this;\n        if (!this.isComposing) {\n            return;\n        }\n        var cursor = this.terminal.element.querySelector('.terminal-cursor');\n        if (cursor) {\n            var xtermRows = this.terminal.element.querySelector('.xterm-rows');\n            var cursorTop = xtermRows.offsetTop + cursor.offsetTop;\n            this.compositionView.style.left = cursor.offsetLeft + 'px';\n            this.compositionView.style.top = cursorTop + 'px';\n            this.compositionView.style.height = cursor.offsetHeight + 'px';\n            this.compositionView.style.lineHeight = cursor.offsetHeight + 'px';\n            var compositionViewBounds = this.compositionView.getBoundingClientRect();\n            this.textarea.style.left = cursor.offsetLeft + 'px';\n            this.textarea.style.top = cursorTop + 'px';\n            this.textarea.style.width = compositionViewBounds.width + 'px';\n            this.textarea.style.height = compositionViewBounds.height + 'px';\n            this.textarea.style.lineHeight = compositionViewBounds.height + 'px';\n        }\n        if (!dontRecurse) {\n            setTimeout(function () { return _this.updateCompositionElements(true); }, 0);\n        }\n    };\n    ;\n    CompositionHelper.prototype.clearTextareaPosition = function () {\n        this.textarea.style.left = '';\n        this.textarea.style.top = '';\n    };\n    ;\n    return CompositionHelper;\n}());\nexports.CompositionHelper = CompositionHelper;\n\n//# sourceMappingURL=CompositionHelper.js.map\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/CompositionHelper.js\n// module id = 16\n// module chunks = 0","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar EscapeSequences_1 = require(\"./EscapeSequences\");\nvar Charsets_1 = require(\"./Charsets\");\nvar InputHandler = (function () {\n    function InputHandler(_terminal) {\n        this._terminal = _terminal;\n    }\n    InputHandler.prototype.addChar = function (char, code) {\n        if (char >= ' ') {\n            var ch_width = wcwidth(code);\n            if (this._terminal.charset && this._terminal.charset[char]) {\n                char = this._terminal.charset[char];\n            }\n            var row = this._terminal.y + this._terminal.ybase;\n            if (!ch_width && this._terminal.x) {\n                if (this._terminal.lines.get(row)[this._terminal.x - 1]) {\n                    if (!this._terminal.lines.get(row)[this._terminal.x - 1][2]) {\n                        if (this._terminal.lines.get(row)[this._terminal.x - 2])\n                            this._terminal.lines.get(row)[this._terminal.x - 2][1] += char;\n                    }\n                    else {\n                        this._terminal.lines.get(row)[this._terminal.x - 1][1] += char;\n                    }\n                    this._terminal.updateRange(this._terminal.y);\n                }\n                return;\n            }\n            if (this._terminal.x + ch_width - 1 >= this._terminal.cols) {\n                if (this._terminal.wraparoundMode) {\n                    this._terminal.x = 0;\n                    this._terminal.y++;\n                    if (this._terminal.y > this._terminal.scrollBottom) {\n                        this._terminal.y--;\n                        this._terminal.scroll(true);\n                    }\n                    else {\n                        this._terminal.lines.get(this._terminal.y).isWrapped = true;\n                    }\n                }\n                else {\n                    if (ch_width === 2)\n                        return;\n                }\n            }\n            row = this._terminal.y + this._terminal.ybase;\n            if (this._terminal.insertMode) {\n                for (var moves = 0; moves < ch_width; ++moves) {\n                    var removed = this._terminal.lines.get(this._terminal.y + this._terminal.ybase).pop();\n                    if (removed[2] === 0\n                        && this._terminal.lines.get(row)[this._terminal.cols - 2]\n                        && this._terminal.lines.get(row)[this._terminal.cols - 2][2] === 2) {\n                        this._terminal.lines.get(row)[this._terminal.cols - 2] = [this._terminal.curAttr, ' ', 1];\n                    }\n                    this._terminal.lines.get(row).splice(this._terminal.x, 0, [this._terminal.curAttr, ' ', 1]);\n                }\n            }\n            this._terminal.lines.get(row)[this._terminal.x] = [this._terminal.curAttr, char, ch_width];\n            this._terminal.x++;\n            this._terminal.updateRange(this._terminal.y);\n            if (ch_width === 2) {\n                this._terminal.lines.get(row)[this._terminal.x] = [this._terminal.curAttr, '', 0];\n                this._terminal.x++;\n            }\n        }\n    };\n    InputHandler.prototype.bell = function () {\n        var _this = this;\n        if (!this._terminal.visualBell) {\n            return;\n        }\n        this._terminal.element.style.borderColor = 'white';\n        setTimeout(function () { return _this._terminal.element.style.borderColor = ''; }, 10);\n        if (this._terminal.popOnBell) {\n            this._terminal.focus();\n        }\n    };\n    InputHandler.prototype.lineFeed = function () {\n        if (this._terminal.convertEol) {\n            this._terminal.x = 0;\n        }\n        this._terminal.y++;\n        if (this._terminal.y > this._terminal.scrollBottom) {\n            this._terminal.y--;\n            this._terminal.scroll();\n        }\n        if (this._terminal.x >= this._terminal.cols) {\n            this._terminal.x--;\n        }\n    };\n    InputHandler.prototype.carriageReturn = function () {\n        this._terminal.x = 0;\n    };\n    InputHandler.prototype.backspace = function () {\n        if (this._terminal.x > 0) {\n            this._terminal.x--;\n        }\n    };\n    InputHandler.prototype.tab = function () {\n        this._terminal.x = this._terminal.nextStop();\n    };\n    InputHandler.prototype.shiftOut = function () {\n        this._terminal.setgLevel(1);\n    };\n    InputHandler.prototype.shiftIn = function () {\n        this._terminal.setgLevel(0);\n    };\n    InputHandler.prototype.insertChars = function (params) {\n        var param, row, j, ch;\n        param = params[0];\n        if (param < 1)\n            param = 1;\n        row = this._terminal.y + this._terminal.ybase;\n        j = this._terminal.x;\n        ch = [this._terminal.eraseAttr(), ' ', 1];\n        while (param-- && j < this._terminal.cols) {\n            this._terminal.lines.get(row).splice(j++, 0, ch);\n            this._terminal.lines.get(row).pop();\n        }\n    };\n    InputHandler.prototype.cursorUp = function (params) {\n        var param = params[0];\n        if (param < 1) {\n            param = 1;\n        }\n        this._terminal.y -= param;\n        if (this._terminal.y < 0) {\n            this._terminal.y = 0;\n        }\n    };\n    InputHandler.prototype.cursorDown = function (params) {\n        var param = params[0];\n        if (param < 1) {\n            param = 1;\n        }\n        this._terminal.y += param;\n        if (this._terminal.y >= this._terminal.rows) {\n            this._terminal.y = this._terminal.rows - 1;\n        }\n        if (this._terminal.x >= this._terminal.cols) {\n            this._terminal.x--;\n        }\n    };\n    InputHandler.prototype.cursorForward = function (params) {\n        var param = params[0];\n        if (param < 1) {\n            param = 1;\n        }\n        this._terminal.x += param;\n        if (this._terminal.x >= this._terminal.cols) {\n            this._terminal.x = this._terminal.cols - 1;\n        }\n    };\n    InputHandler.prototype.cursorBackward = function (params) {\n        var param = params[0];\n        if (param < 1) {\n            param = 1;\n        }\n        if (this._terminal.x >= this._terminal.cols) {\n            this._terminal.x--;\n        }\n        this._terminal.x -= param;\n        if (this._terminal.x < 0) {\n            this._terminal.x = 0;\n        }\n    };\n    InputHandler.prototype.cursorNextLine = function (params) {\n        var param = params[0];\n        if (param < 1) {\n            param = 1;\n        }\n        this._terminal.y += param;\n        if (this._terminal.y >= this._terminal.rows) {\n            this._terminal.y = this._terminal.rows - 1;\n        }\n        this._terminal.x = 0;\n    };\n    ;\n    InputHandler.prototype.cursorPrecedingLine = function (params) {\n        var param = params[0];\n        if (param < 1) {\n            param = 1;\n        }\n        this._terminal.y -= param;\n        if (this._terminal.y < 0) {\n            this._terminal.y = 0;\n        }\n        this._terminal.x = 0;\n    };\n    ;\n    InputHandler.prototype.cursorCharAbsolute = function (params) {\n        var param = params[0];\n        if (param < 1) {\n            param = 1;\n        }\n        this._terminal.x = param - 1;\n    };\n    InputHandler.prototype.cursorPosition = function (params) {\n        var row, col;\n        row = params[0] - 1;\n        if (params.length >= 2) {\n            col = params[1] - 1;\n        }\n        else {\n            col = 0;\n        }\n        if (row < 0) {\n            row = 0;\n        }\n        else if (row >= this._terminal.rows) {\n            row = this._terminal.rows - 1;\n        }\n        if (col < 0) {\n            col = 0;\n        }\n        else if (col >= this._terminal.cols) {\n            col = this._terminal.cols - 1;\n        }\n        this._terminal.x = col;\n        this._terminal.y = row;\n    };\n    InputHandler.prototype.cursorForwardTab = function (params) {\n        var param = params[0] || 1;\n        while (param--) {\n            this._terminal.x = this._terminal.nextStop();\n        }\n    };\n    InputHandler.prototype.eraseInDisplay = function (params) {\n        var j;\n        switch (params[0]) {\n            case 0:\n                this._terminal.eraseRight(this._terminal.x, this._terminal.y);\n                j = this._terminal.y + 1;\n                for (; j < this._terminal.rows; j++) {\n                    this._terminal.eraseLine(j);\n                }\n                break;\n            case 1:\n                this._terminal.eraseLeft(this._terminal.x, this._terminal.y);\n                j = this._terminal.y;\n                while (j--) {\n                    this._terminal.eraseLine(j);\n                }\n                break;\n            case 2:\n                j = this._terminal.rows;\n                while (j--)\n                    this._terminal.eraseLine(j);\n                break;\n            case 3:\n                var scrollBackSize = this._terminal.lines.length - this._terminal.rows;\n                if (scrollBackSize > 0) {\n                    this._terminal.lines.trimStart(scrollBackSize);\n                    this._terminal.ybase = Math.max(this._terminal.ybase - scrollBackSize, 0);\n                    this._terminal.ydisp = Math.max(this._terminal.ydisp - scrollBackSize, 0);\n                }\n                break;\n        }\n    };\n    InputHandler.prototype.eraseInLine = function (params) {\n        switch (params[0]) {\n            case 0:\n                this._terminal.eraseRight(this._terminal.x, this._terminal.y);\n                break;\n            case 1:\n                this._terminal.eraseLeft(this._terminal.x, this._terminal.y);\n                break;\n            case 2:\n                this._terminal.eraseLine(this._terminal.y);\n                break;\n        }\n    };\n    InputHandler.prototype.insertLines = function (params) {\n        var param, row, j;\n        param = params[0];\n        if (param < 1) {\n            param = 1;\n        }\n        row = this._terminal.y + this._terminal.ybase;\n        j = this._terminal.rows - 1 - this._terminal.scrollBottom;\n        j = this._terminal.rows - 1 + this._terminal.ybase - j + 1;\n        while (param--) {\n            if (this._terminal.lines.length === this._terminal.lines.maxLength) {\n                this._terminal.lines.trimStart(1);\n                this._terminal.ybase--;\n                this._terminal.ydisp--;\n                row--;\n                j--;\n            }\n            this._terminal.lines.splice(row, 0, this._terminal.blankLine(true));\n            this._terminal.lines.splice(j, 1);\n        }\n        this._terminal.updateRange(this._terminal.y);\n        this._terminal.updateRange(this._terminal.scrollBottom);\n    };\n    InputHandler.prototype.deleteLines = function (params) {\n        var param, row, j;\n        param = params[0];\n        if (param < 1) {\n            param = 1;\n        }\n        row = this._terminal.y + this._terminal.ybase;\n        j = this._terminal.rows - 1 - this._terminal.scrollBottom;\n        j = this._terminal.rows - 1 + this._terminal.ybase - j;\n        while (param--) {\n            if (this._terminal.lines.length === this._terminal.lines.maxLength) {\n                this._terminal.lines.trimStart(1);\n                this._terminal.ybase -= 1;\n                this._terminal.ydisp -= 1;\n            }\n            this._terminal.lines.splice(j + 1, 0, this._terminal.blankLine(true));\n            this._terminal.lines.splice(row, 1);\n        }\n        this._terminal.updateRange(this._terminal.y);\n        this._terminal.updateRange(this._terminal.scrollBottom);\n    };\n    InputHandler.prototype.deleteChars = function (params) {\n        var param, row, ch;\n        param = params[0];\n        if (param < 1) {\n            param = 1;\n        }\n        row = this._terminal.y + this._terminal.ybase;\n        ch = [this._terminal.eraseAttr(), ' ', 1];\n        while (param--) {\n            this._terminal.lines.get(row).splice(this._terminal.x, 1);\n            this._terminal.lines.get(row).push(ch);\n        }\n    };\n    InputHandler.prototype.scrollUp = function (params) {\n        var param = params[0] || 1;\n        while (param--) {\n            this._terminal.lines.splice(this._terminal.ybase + this._terminal.scrollTop, 1);\n            this._terminal.lines.splice(this._terminal.ybase + this._terminal.scrollBottom, 0, this._terminal.blankLine());\n        }\n        this._terminal.updateRange(this._terminal.scrollTop);\n        this._terminal.updateRange(this._terminal.scrollBottom);\n    };\n    InputHandler.prototype.scrollDown = function (params) {\n        var param = params[0] || 1;\n        while (param--) {\n            this._terminal.lines.splice(this._terminal.ybase + this._terminal.scrollBottom, 1);\n            this._terminal.lines.splice(this._terminal.ybase + this._terminal.scrollTop, 0, this._terminal.blankLine());\n        }\n        this._terminal.updateRange(this._terminal.scrollTop);\n        this._terminal.updateRange(this._terminal.scrollBottom);\n    };\n    InputHandler.prototype.eraseChars = function (params) {\n        var param, row, j, ch;\n        param = params[0];\n        if (param < 1) {\n            param = 1;\n        }\n        row = this._terminal.y + this._terminal.ybase;\n        j = this._terminal.x;\n        ch = [this._terminal.eraseAttr(), ' ', 1];\n        while (param-- && j < this._terminal.cols) {\n            this._terminal.lines.get(row)[j++] = ch;\n        }\n    };\n    InputHandler.prototype.cursorBackwardTab = function (params) {\n        var param = params[0] || 1;\n        while (param--) {\n            this._terminal.x = this._terminal.prevStop();\n        }\n    };\n    InputHandler.prototype.charPosAbsolute = function (params) {\n        var param = params[0];\n        if (param < 1) {\n            param = 1;\n        }\n        this._terminal.x = param - 1;\n        if (this._terminal.x >= this._terminal.cols) {\n            this._terminal.x = this._terminal.cols - 1;\n        }\n    };\n    InputHandler.prototype.HPositionRelative = function (params) {\n        var param = params[0];\n        if (param < 1) {\n            param = 1;\n        }\n        this._terminal.x += param;\n        if (this._terminal.x >= this._terminal.cols) {\n            this._terminal.x = this._terminal.cols - 1;\n        }\n    };\n    InputHandler.prototype.repeatPrecedingCharacter = function (params) {\n        var param = params[0] || 1, line = this._terminal.lines.get(this._terminal.ybase + this._terminal.y), ch = line[this._terminal.x - 1] || [this._terminal.defAttr, ' ', 1];\n        while (param--) {\n            line[this._terminal.x++] = ch;\n        }\n    };\n    InputHandler.prototype.sendDeviceAttributes = function (params) {\n        if (params[0] > 0) {\n            return;\n        }\n        if (!this._terminal.prefix) {\n            if (this._terminal.is('xterm') || this._terminal.is('rxvt-unicode') || this._terminal.is('screen')) {\n                this._terminal.send(EscapeSequences_1.C0.ESC + '[?1;2c');\n            }\n            else if (this._terminal.is('linux')) {\n                this._terminal.send(EscapeSequences_1.C0.ESC + '[?6c');\n            }\n        }\n        else if (this._terminal.prefix === '>') {\n            if (this._terminal.is('xterm')) {\n                this._terminal.send(EscapeSequences_1.C0.ESC + '[>0;276;0c');\n            }\n            else if (this._terminal.is('rxvt-unicode')) {\n                this._terminal.send(EscapeSequences_1.C0.ESC + '[>85;95;0c');\n            }\n            else if (this._terminal.is('linux')) {\n                this._terminal.send(params[0] + 'c');\n            }\n            else if (this._terminal.is('screen')) {\n                this._terminal.send(EscapeSequences_1.C0.ESC + '[>83;40003;0c');\n            }\n        }\n    };\n    InputHandler.prototype.linePosAbsolute = function (params) {\n        var param = params[0];\n        if (param < 1) {\n            param = 1;\n        }\n        this._terminal.y = param - 1;\n        if (this._terminal.y >= this._terminal.rows) {\n            this._terminal.y = this._terminal.rows - 1;\n        }\n    };\n    InputHandler.prototype.VPositionRelative = function (params) {\n        var param = params[0];\n        if (param < 1) {\n            param = 1;\n        }\n        this._terminal.y += param;\n        if (this._terminal.y >= this._terminal.rows) {\n            this._terminal.y = this._terminal.rows - 1;\n        }\n        if (this._terminal.x >= this._terminal.cols) {\n            this._terminal.x--;\n        }\n    };\n    InputHandler.prototype.HVPosition = function (params) {\n        if (params[0] < 1)\n            params[0] = 1;\n        if (params[1] < 1)\n            params[1] = 1;\n        this._terminal.y = params[0] - 1;\n        if (this._terminal.y >= this._terminal.rows) {\n            this._terminal.y = this._terminal.rows - 1;\n        }\n        this._terminal.x = params[1] - 1;\n        if (this._terminal.x >= this._terminal.cols) {\n            this._terminal.x = this._terminal.cols - 1;\n        }\n    };\n    InputHandler.prototype.tabClear = function (params) {\n        var param = params[0];\n        if (param <= 0) {\n            delete this._terminal.tabs[this._terminal.x];\n        }\n        else if (param === 3) {\n            this._terminal.tabs = {};\n        }\n    };\n    InputHandler.prototype.setMode = function (params) {\n        if (params.length > 1) {\n            for (var i = 0; i < params.length; i++) {\n                this.setMode([params[i]]);\n            }\n            return;\n        }\n        if (!this._terminal.prefix) {\n            switch (params[0]) {\n                case 4:\n                    this._terminal.insertMode = true;\n                    break;\n                case 20:\n                    break;\n            }\n        }\n        else if (this._terminal.prefix === '?') {\n            switch (params[0]) {\n                case 1:\n                    this._terminal.applicationCursor = true;\n                    break;\n                case 2:\n                    this._terminal.setgCharset(0, Charsets_1.DEFAULT_CHARSET);\n                    this._terminal.setgCharset(1, Charsets_1.DEFAULT_CHARSET);\n                    this._terminal.setgCharset(2, Charsets_1.DEFAULT_CHARSET);\n                    this._terminal.setgCharset(3, Charsets_1.DEFAULT_CHARSET);\n                    break;\n                case 3:\n                    this._terminal.savedCols = this._terminal.cols;\n                    this._terminal.resize(132, this._terminal.rows);\n                    break;\n                case 6:\n                    this._terminal.originMode = true;\n                    break;\n                case 7:\n                    this._terminal.wraparoundMode = true;\n                    break;\n                case 12:\n                    break;\n                case 66:\n                    this._terminal.log('Serial port requested application keypad.');\n                    this._terminal.applicationKeypad = true;\n                    this._terminal.viewport.syncScrollArea();\n                    break;\n                case 9:\n                case 1000:\n                case 1002:\n                case 1003:\n                    this._terminal.x10Mouse = params[0] === 9;\n                    this._terminal.vt200Mouse = params[0] === 1000;\n                    this._terminal.normalMouse = params[0] > 1000;\n                    this._terminal.mouseEvents = true;\n                    this._terminal.element.classList.add('enable-mouse-events');\n                    this._terminal.selectionManager.disable();\n                    this._terminal.log('Binding to mouse events.');\n                    break;\n                case 1004:\n                    this._terminal.sendFocus = true;\n                    break;\n                case 1005:\n                    this._terminal.utfMouse = true;\n                    break;\n                case 1006:\n                    this._terminal.sgrMouse = true;\n                    break;\n                case 1015:\n                    this._terminal.urxvtMouse = true;\n                    break;\n                case 25:\n                    this._terminal.cursorHidden = false;\n                    break;\n                case 1049:\n                    ;\n                case 47:\n                case 1047:\n                    if (!this._terminal.normal) {\n                        var normal = {\n                            lines: this._terminal.lines,\n                            ybase: this._terminal.ybase,\n                            ydisp: this._terminal.ydisp,\n                            x: this._terminal.x,\n                            y: this._terminal.y,\n                            scrollTop: this._terminal.scrollTop,\n                            scrollBottom: this._terminal.scrollBottom,\n                            tabs: this._terminal.tabs\n                        };\n                        this._terminal.reset();\n                        this._terminal.viewport.syncScrollArea();\n                        this._terminal.normal = normal;\n                        this._terminal.showCursor();\n                    }\n                    break;\n            }\n        }\n    };\n    InputHandler.prototype.resetMode = function (params) {\n        if (params.length > 1) {\n            for (var i = 0; i < params.length; i++) {\n                this.resetMode([params[i]]);\n            }\n            return;\n        }\n        if (!this._terminal.prefix) {\n            switch (params[0]) {\n                case 4:\n                    this._terminal.insertMode = false;\n                    break;\n                case 20:\n                    break;\n            }\n        }\n        else if (this._terminal.prefix === '?') {\n            switch (params[0]) {\n                case 1:\n                    this._terminal.applicationCursor = false;\n                    break;\n                case 3:\n                    if (this._terminal.cols === 132 && this._terminal.savedCols) {\n                        this._terminal.resize(this._terminal.savedCols, this._terminal.rows);\n                    }\n                    delete this._terminal.savedCols;\n                    break;\n                case 6:\n                    this._terminal.originMode = false;\n                    break;\n                case 7:\n                    this._terminal.wraparoundMode = false;\n                    break;\n                case 12:\n                    break;\n                case 66:\n                    this._terminal.log('Switching back to normal keypad.');\n                    this._terminal.applicationKeypad = false;\n                    this._terminal.viewport.syncScrollArea();\n                    break;\n                case 9:\n                case 1000:\n                case 1002:\n                case 1003:\n                    this._terminal.x10Mouse = false;\n                    this._terminal.vt200Mouse = false;\n                    this._terminal.normalMouse = false;\n                    this._terminal.mouseEvents = false;\n                    this._terminal.element.classList.remove('enable-mouse-events');\n                    this._terminal.selectionManager.enable();\n                    break;\n                case 1004:\n                    this._terminal.sendFocus = false;\n                    break;\n                case 1005:\n                    this._terminal.utfMouse = false;\n                    break;\n                case 1006:\n                    this._terminal.sgrMouse = false;\n                    break;\n                case 1015:\n                    this._terminal.urxvtMouse = false;\n                    break;\n                case 25:\n                    this._terminal.cursorHidden = true;\n                    break;\n                case 1049:\n                    ;\n                case 47:\n                case 1047:\n                    if (this._terminal.normal) {\n                        this._terminal.lines = this._terminal.normal.lines;\n                        this._terminal.ybase = this._terminal.normal.ybase;\n                        this._terminal.ydisp = this._terminal.normal.ydisp;\n                        this._terminal.x = this._terminal.normal.x;\n                        this._terminal.y = this._terminal.normal.y;\n                        this._terminal.scrollTop = this._terminal.normal.scrollTop;\n                        this._terminal.scrollBottom = this._terminal.normal.scrollBottom;\n                        this._terminal.tabs = this._terminal.normal.tabs;\n                        this._terminal.normal = null;\n                        this._terminal.selectionManager.setBuffer(this._terminal.lines);\n                        this._terminal.refresh(0, this._terminal.rows - 1);\n                        this._terminal.viewport.syncScrollArea();\n                        this._terminal.showCursor();\n                    }\n                    break;\n            }\n        }\n    };\n    InputHandler.prototype.charAttributes = function (params) {\n        if (params.length === 1 && params[0] === 0) {\n            this._terminal.curAttr = this._terminal.defAttr;\n            return;\n        }\n        var l = params.length, i = 0, flags = this._terminal.curAttr >> 18, fg = (this._terminal.curAttr >> 9) & 0x1ff, bg = this._terminal.curAttr & 0x1ff, p;\n        for (; i < l; i++) {\n            p = params[i];\n            if (p >= 30 && p <= 37) {\n                fg = p - 30;\n            }\n            else if (p >= 40 && p <= 47) {\n                bg = p - 40;\n            }\n            else if (p >= 90 && p <= 97) {\n                p += 8;\n                fg = p - 90;\n            }\n            else if (p >= 100 && p <= 107) {\n                p += 8;\n                bg = p - 100;\n            }\n            else if (p === 0) {\n                flags = this._terminal.defAttr >> 18;\n                fg = (this._terminal.defAttr >> 9) & 0x1ff;\n                bg = this._terminal.defAttr & 0x1ff;\n            }\n            else if (p === 1) {\n                flags |= 1;\n            }\n            else if (p === 4) {\n                flags |= 2;\n            }\n            else if (p === 5) {\n                flags |= 4;\n            }\n            else if (p === 7) {\n                flags |= 8;\n            }\n            else if (p === 8) {\n                flags |= 16;\n            }\n            else if (p === 22) {\n                flags &= ~1;\n            }\n            else if (p === 24) {\n                flags &= ~2;\n            }\n            else if (p === 25) {\n                flags &= ~4;\n            }\n            else if (p === 27) {\n                flags &= ~8;\n            }\n            else if (p === 28) {\n                flags &= ~16;\n            }\n            else if (p === 39) {\n                fg = (this._terminal.defAttr >> 9) & 0x1ff;\n            }\n            else if (p === 49) {\n                bg = this._terminal.defAttr & 0x1ff;\n            }\n            else if (p === 38) {\n                if (params[i + 1] === 2) {\n                    i += 2;\n                    fg = this._terminal.matchColor(params[i] & 0xff, params[i + 1] & 0xff, params[i + 2] & 0xff);\n                    if (fg === -1)\n                        fg = 0x1ff;\n                    i += 2;\n                }\n                else if (params[i + 1] === 5) {\n                    i += 2;\n                    p = params[i] & 0xff;\n                    fg = p;\n                }\n            }\n            else if (p === 48) {\n                if (params[i + 1] === 2) {\n                    i += 2;\n                    bg = this._terminal.matchColor(params[i] & 0xff, params[i + 1] & 0xff, params[i + 2] & 0xff);\n                    if (bg === -1)\n                        bg = 0x1ff;\n                    i += 2;\n                }\n                else if (params[i + 1] === 5) {\n                    i += 2;\n                    p = params[i] & 0xff;\n                    bg = p;\n                }\n            }\n            else if (p === 100) {\n                fg = (this._terminal.defAttr >> 9) & 0x1ff;\n                bg = this._terminal.defAttr & 0x1ff;\n            }\n            else {\n                this._terminal.error('Unknown SGR attribute: %d.', p);\n            }\n        }\n        this._terminal.curAttr = (flags << 18) | (fg << 9) | bg;\n    };\n    InputHandler.prototype.deviceStatus = function (params) {\n        if (!this._terminal.prefix) {\n            switch (params[0]) {\n                case 5:\n                    this._terminal.send(EscapeSequences_1.C0.ESC + '[0n');\n                    break;\n                case 6:\n                    this._terminal.send(EscapeSequences_1.C0.ESC + '['\n                        + (this._terminal.y + 1)\n                        + ';'\n                        + (this._terminal.x + 1)\n                        + 'R');\n                    break;\n            }\n        }\n        else if (this._terminal.prefix === '?') {\n            switch (params[0]) {\n                case 6:\n                    this._terminal.send(EscapeSequences_1.C0.ESC + '[?'\n                        + (this._terminal.y + 1)\n                        + ';'\n                        + (this._terminal.x + 1)\n                        + 'R');\n                    break;\n                case 15:\n                    break;\n                case 25:\n                    break;\n                case 26:\n                    break;\n                case 53:\n                    break;\n            }\n        }\n    };\n    InputHandler.prototype.softReset = function (params) {\n        this._terminal.cursorHidden = false;\n        this._terminal.insertMode = false;\n        this._terminal.originMode = false;\n        this._terminal.wraparoundMode = true;\n        this._terminal.applicationKeypad = false;\n        this._terminal.viewport.syncScrollArea();\n        this._terminal.applicationCursor = false;\n        this._terminal.scrollTop = 0;\n        this._terminal.scrollBottom = this._terminal.rows - 1;\n        this._terminal.curAttr = this._terminal.defAttr;\n        this._terminal.x = this._terminal.y = 0;\n        this._terminal.charset = null;\n        this._terminal.glevel = 0;\n        this._terminal.charsets = [null];\n    };\n    InputHandler.prototype.setCursorStyle = function (params) {\n        var param = params[0] < 1 ? 1 : params[0];\n        switch (param) {\n            case 1:\n            case 2:\n                this._terminal.setOption('cursorStyle', 'block');\n                break;\n            case 3:\n            case 4:\n                this._terminal.setOption('cursorStyle', 'underline');\n                break;\n            case 5:\n            case 6:\n                this._terminal.setOption('cursorStyle', 'bar');\n                break;\n        }\n        var isBlinking = param % 2 === 1;\n        this._terminal.setOption('cursorBlink', isBlinking);\n    };\n    InputHandler.prototype.setScrollRegion = function (params) {\n        if (this._terminal.prefix)\n            return;\n        this._terminal.scrollTop = (params[0] || 1) - 1;\n        this._terminal.scrollBottom = (params[1] && params[1] <= this._terminal.rows ? params[1] : this._terminal.rows) - 1;\n        this._terminal.x = 0;\n        this._terminal.y = 0;\n    };\n    InputHandler.prototype.saveCursor = function (params) {\n        this._terminal.savedX = this._terminal.x;\n        this._terminal.savedY = this._terminal.y;\n    };\n    InputHandler.prototype.restoreCursor = function (params) {\n        this._terminal.x = this._terminal.savedX || 0;\n        this._terminal.y = this._terminal.savedY || 0;\n    };\n    return InputHandler;\n}());\nexports.InputHandler = InputHandler;\nvar wcwidth = (function (opts) {\n    var COMBINING = [\n        [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],\n        [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],\n        [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],\n        [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],\n        [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],\n        [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],\n        [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],\n        [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],\n        [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],\n        [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],\n        [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],\n        [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],\n        [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],\n        [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],\n        [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],\n        [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],\n        [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],\n        [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],\n        [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],\n        [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],\n        [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],\n        [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],\n        [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],\n        [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],\n        [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],\n        [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],\n        [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],\n        [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],\n        [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],\n        [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],\n        [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],\n        [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],\n        [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],\n        [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],\n        [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],\n        [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],\n        [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],\n        [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],\n        [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],\n        [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],\n        [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],\n        [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],\n        [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB],\n        [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],\n        [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],\n        [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],\n        [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],\n        [0xE0100, 0xE01EF]\n    ];\n    function bisearch(ucs) {\n        var min = 0;\n        var max = COMBINING.length - 1;\n        var mid;\n        if (ucs < COMBINING[0][0] || ucs > COMBINING[max][1])\n            return false;\n        while (max >= min) {\n            mid = Math.floor((min + max) / 2);\n            if (ucs > COMBINING[mid][1])\n                min = mid + 1;\n            else if (ucs < COMBINING[mid][0])\n                max = mid - 1;\n            else\n                return true;\n        }\n        return false;\n    }\n    function wcwidth(ucs) {\n        if (ucs === 0)\n            return opts.nul;\n        if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0))\n            return opts.control;\n        if (bisearch(ucs))\n            return 0;\n        if (isWide(ucs)) {\n            return 2;\n        }\n        return 1;\n    }\n    function isWide(ucs) {\n        return (ucs >= 0x1100 && (ucs <= 0x115f ||\n            ucs === 0x2329 ||\n            ucs === 0x232a ||\n            (ucs >= 0x2e80 && ucs <= 0xa4cf && ucs !== 0x303f) ||\n            (ucs >= 0xac00 && ucs <= 0xd7a3) ||\n            (ucs >= 0xf900 && ucs <= 0xfaff) ||\n            (ucs >= 0xfe10 && ucs <= 0xfe19) ||\n            (ucs >= 0xfe30 && ucs <= 0xfe6f) ||\n            (ucs >= 0xff00 && ucs <= 0xff60) ||\n            (ucs >= 0xffe0 && ucs <= 0xffe6) ||\n            (ucs >= 0x20000 && ucs <= 0x2fffd) ||\n            (ucs >= 0x30000 && ucs <= 0x3fffd)));\n    }\n    return wcwidth;\n})({ nul: 0, control: 0 });\n\n//# sourceMappingURL=InputHandler.js.map\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/InputHandler.js\n// module id = 17\n// module chunks = 0","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar INVALID_LINK_CLASS = 'xterm-invalid-link';\nvar protocolClause = '(https?:\\\\/\\\\/)';\nvar domainCharacterSet = '[\\\\da-z\\\\.-]+';\nvar negatedDomainCharacterSet = '[^\\\\da-z\\\\.-]+';\nvar domainBodyClause = '(' + domainCharacterSet + ')';\nvar tldClause = '([a-z\\\\.]{2,6})';\nvar ipClause = '((\\\\d{1,3}\\\\.){3}\\\\d{1,3})';\nvar localHostClause = '(localhost)';\nvar portClause = '(:\\\\d{1,5})';\nvar hostClause = '((' + domainBodyClause + '\\\\.' + tldClause + ')|' + ipClause + '|' + localHostClause + ')' + portClause + '?';\nvar pathClause = '(\\\\/[\\\\/\\\\w\\\\.\\\\-%~]*)*';\nvar queryStringHashFragmentCharacterSet = '[0-9\\\\w\\\\[\\\\]\\\\(\\\\)\\\\/\\\\?\\\\!#@$%&\\'*+,:;~\\\\=\\\\.\\\\-]*';\nvar queryStringClause = '(\\\\?' + queryStringHashFragmentCharacterSet + ')?';\nvar hashFragmentClause = '(#' + queryStringHashFragmentCharacterSet + ')?';\nvar negatedPathCharacterSet = '[^\\\\/\\\\w\\\\.\\\\-%]+';\nvar bodyClause = hostClause + pathClause + queryStringClause + hashFragmentClause;\nvar start = '(?:^|' + negatedDomainCharacterSet + ')(';\nvar end = ')($|' + negatedPathCharacterSet + ')';\nvar strictUrlRegex = new RegExp(start + protocolClause + bodyClause + end);\nvar HYPERTEXT_LINK_MATCHER_ID = 0;\nvar Linkifier = (function () {\n    function Linkifier() {\n        this._nextLinkMatcherId = HYPERTEXT_LINK_MATCHER_ID;\n        this._rowTimeoutIds = [];\n        this._linkMatchers = [];\n        this.registerLinkMatcher(strictUrlRegex, null, { matchIndex: 1 });\n    }\n    Linkifier.prototype.attachToDom = function (document, rows) {\n        this._document = document;\n        this._rows = rows;\n    };\n    Linkifier.prototype.linkifyRow = function (rowIndex) {\n        if (!this._document) {\n            return;\n        }\n        var timeoutId = this._rowTimeoutIds[rowIndex];\n        if (timeoutId) {\n            clearTimeout(timeoutId);\n        }\n        this._rowTimeoutIds[rowIndex] = setTimeout(this._linkifyRow.bind(this, rowIndex), Linkifier.TIME_BEFORE_LINKIFY);\n    };\n    Linkifier.prototype.setHypertextLinkHandler = function (handler) {\n        this._linkMatchers[HYPERTEXT_LINK_MATCHER_ID].handler = handler;\n    };\n    Linkifier.prototype.setHypertextValidationCallback = function (callback) {\n        this._linkMatchers[HYPERTEXT_LINK_MATCHER_ID].validationCallback = callback;\n    };\n    Linkifier.prototype.registerLinkMatcher = function (regex, handler, options) {\n        if (options === void 0) { options = {}; }\n        if (this._nextLinkMatcherId !== HYPERTEXT_LINK_MATCHER_ID && !handler) {\n            throw new Error('handler must be defined');\n        }\n        var matcher = {\n            id: this._nextLinkMatcherId++,\n            regex: regex,\n            handler: handler,\n            matchIndex: options.matchIndex,\n            validationCallback: options.validationCallback,\n            priority: options.priority || 0\n        };\n        this._addLinkMatcherToList(matcher);\n        return matcher.id;\n    };\n    Linkifier.prototype._addLinkMatcherToList = function (matcher) {\n        if (this._linkMatchers.length === 0) {\n            this._linkMatchers.push(matcher);\n            return;\n        }\n        for (var i = this._linkMatchers.length - 1; i >= 0; i--) {\n            if (matcher.priority <= this._linkMatchers[i].priority) {\n                this._linkMatchers.splice(i + 1, 0, matcher);\n                return;\n            }\n        }\n        this._linkMatchers.splice(0, 0, matcher);\n    };\n    Linkifier.prototype.deregisterLinkMatcher = function (matcherId) {\n        for (var i = 1; i < this._linkMatchers.length; i++) {\n            if (this._linkMatchers[i].id === matcherId) {\n                this._linkMatchers.splice(i, 1);\n                return true;\n            }\n        }\n        return false;\n    };\n    Linkifier.prototype._linkifyRow = function (rowIndex) {\n        var row = this._rows[rowIndex];\n        if (!row) {\n            return;\n        }\n        var text = row.textContent;\n        for (var i = 0; i < this._linkMatchers.length; i++) {\n            var matcher = this._linkMatchers[i];\n            var linkElements = this._doLinkifyRow(row, matcher);\n            if (linkElements.length > 0) {\n                if (matcher.validationCallback) {\n                    var _loop_1 = function (j) {\n                        var element = linkElements[j];\n                        matcher.validationCallback(element.textContent, element, function (isValid) {\n                            if (!isValid) {\n                                element.classList.add(INVALID_LINK_CLASS);\n                            }\n                        });\n                    };\n                    for (var j = 0; j < linkElements.length; j++) {\n                        _loop_1(j);\n                    }\n                }\n                return;\n            }\n        }\n    };\n    Linkifier.prototype._doLinkifyRow = function (row, matcher) {\n        var result = [];\n        var isHttpLinkMatcher = matcher.id === HYPERTEXT_LINK_MATCHER_ID;\n        var nodes = row.childNodes;\n        var match = row.textContent.match(matcher.regex);\n        if (!match || match.length === 0) {\n            return result;\n        }\n        var uri = match[typeof matcher.matchIndex !== 'number' ? 0 : matcher.matchIndex];\n        var rowStartIndex = match.index + uri.length;\n        for (var i = 0; i < nodes.length; i++) {\n            var node = nodes[i];\n            var searchIndex = node.textContent.indexOf(uri);\n            if (searchIndex >= 0) {\n                var linkElement = this._createAnchorElement(uri, matcher.handler, isHttpLinkMatcher);\n                if (node.textContent.length === uri.length) {\n                    if (node.nodeType === 3) {\n                        this._replaceNode(node, linkElement);\n                    }\n                    else {\n                        var element = node;\n                        if (element.nodeName === 'A') {\n                            return result;\n                        }\n                        element.innerHTML = '';\n                        element.appendChild(linkElement);\n                    }\n                }\n                else if (node.childNodes.length > 1) {\n                    for (var j = 0; j < node.childNodes.length; j++) {\n                        var childNode = node.childNodes[j];\n                        var childSearchIndex = childNode.textContent.indexOf(uri);\n                        if (childSearchIndex !== -1) {\n                            this._replaceNodeSubstringWithNode(childNode, linkElement, uri, childSearchIndex);\n                            break;\n                        }\n                    }\n                }\n                else {\n                    var nodesAdded = this._replaceNodeSubstringWithNode(node, linkElement, uri, searchIndex);\n                    i += nodesAdded;\n                }\n                result.push(linkElement);\n                match = row.textContent.substring(rowStartIndex).match(matcher.regex);\n                if (!match || match.length === 0) {\n                    return result;\n                }\n                uri = match[typeof matcher.matchIndex !== 'number' ? 0 : matcher.matchIndex];\n                rowStartIndex += match.index + uri.length;\n            }\n        }\n        return result;\n    };\n    Linkifier.prototype._createAnchorElement = function (uri, handler, isHypertextLinkHandler) {\n        var element = this._document.createElement('a');\n        element.textContent = uri;\n        element.draggable = false;\n        if (isHypertextLinkHandler) {\n            element.href = uri;\n            element.target = '_blank';\n            element.addEventListener('click', function (event) {\n                if (handler) {\n                    return handler(event, uri);\n                }\n            });\n        }\n        else {\n            element.addEventListener('click', function (event) {\n                if (element.classList.contains(INVALID_LINK_CLASS)) {\n                    return;\n                }\n                return handler(event, uri);\n            });\n        }\n        return element;\n    };\n    Linkifier.prototype._replaceNode = function (oldNode) {\n        var newNodes = [];\n        for (var _i = 1; _i < arguments.length; _i++) {\n            newNodes[_i - 1] = arguments[_i];\n        }\n        var parent = oldNode.parentNode;\n        for (var i = 0; i < newNodes.length; i++) {\n            parent.insertBefore(newNodes[i], oldNode);\n        }\n        parent.removeChild(oldNode);\n    };\n    Linkifier.prototype._replaceNodeSubstringWithNode = function (targetNode, newNode, substring, substringIndex) {\n        if (targetNode.childNodes.length === 1) {\n            targetNode = targetNode.childNodes[0];\n        }\n        if (targetNode.nodeType !== 3) {\n            throw new Error('targetNode must be a text node or only contain a single text node');\n        }\n        var fullText = targetNode.textContent;\n        if (substringIndex === 0) {\n            var rightText_1 = fullText.substring(substring.length);\n            var rightTextNode_1 = this._document.createTextNode(rightText_1);\n            this._replaceNode(targetNode, newNode, rightTextNode_1);\n            return 0;\n        }\n        if (substringIndex === targetNode.textContent.length - substring.length) {\n            var leftText_1 = fullText.substring(0, substringIndex);\n            var leftTextNode_1 = this._document.createTextNode(leftText_1);\n            this._replaceNode(targetNode, leftTextNode_1, newNode);\n            return 0;\n        }\n        var leftText = fullText.substring(0, substringIndex);\n        var leftTextNode = this._document.createTextNode(leftText);\n        var rightText = fullText.substring(substringIndex + substring.length);\n        var rightTextNode = this._document.createTextNode(rightText);\n        this._replaceNode(targetNode, leftTextNode, newNode, rightTextNode);\n        return 1;\n    };\n    return Linkifier;\n}());\nLinkifier.TIME_BEFORE_LINKIFY = 200;\nexports.Linkifier = Linkifier;\n\n//# sourceMappingURL=Linkifier.js.map\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/Linkifier.js\n// module id = 18\n// module chunks = 0","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar EscapeSequences_1 = require(\"./EscapeSequences\");\nvar Charsets_1 = require(\"./Charsets\");\nvar normalStateHandler = {};\nnormalStateHandler[EscapeSequences_1.C0.BEL] = function (parser, handler) { return handler.bell(); };\nnormalStateHandler[EscapeSequences_1.C0.LF] = function (parser, handler) { return handler.lineFeed(); };\nnormalStateHandler[EscapeSequences_1.C0.VT] = normalStateHandler[EscapeSequences_1.C0.LF];\nnormalStateHandler[EscapeSequences_1.C0.FF] = normalStateHandler[EscapeSequences_1.C0.LF];\nnormalStateHandler[EscapeSequences_1.C0.CR] = function (parser, handler) { return handler.carriageReturn(); };\nnormalStateHandler[EscapeSequences_1.C0.BS] = function (parser, handler) { return handler.backspace(); };\nnormalStateHandler[EscapeSequences_1.C0.HT] = function (parser, handler) { return handler.tab(); };\nnormalStateHandler[EscapeSequences_1.C0.SO] = function (parser, handler) { return handler.shiftOut(); };\nnormalStateHandler[EscapeSequences_1.C0.SI] = function (parser, handler) { return handler.shiftIn(); };\nnormalStateHandler[EscapeSequences_1.C0.ESC] = function (parser, handler) { return parser.setState(ParserState.ESCAPED); };\nvar escapedStateHandler = {};\nescapedStateHandler['['] = function (parser, terminal) {\n    terminal.params = [];\n    terminal.currentParam = 0;\n    parser.setState(ParserState.CSI_PARAM);\n};\nescapedStateHandler[']'] = function (parser, terminal) {\n    terminal.params = [];\n    terminal.currentParam = 0;\n    parser.setState(ParserState.OSC);\n};\nescapedStateHandler['P'] = function (parser, terminal) {\n    terminal.params = [];\n    terminal.currentParam = 0;\n    parser.setState(ParserState.DCS);\n};\nescapedStateHandler['_'] = function (parser, terminal) {\n    parser.setState(ParserState.IGNORE);\n};\nescapedStateHandler['^'] = function (parser, terminal) {\n    parser.setState(ParserState.IGNORE);\n};\nescapedStateHandler['c'] = function (parser, terminal) {\n    terminal.reset();\n};\nescapedStateHandler['E'] = function (parser, terminal) {\n    terminal.x = 0;\n    terminal.index();\n    parser.setState(ParserState.NORMAL);\n};\nescapedStateHandler['D'] = function (parser, terminal) {\n    terminal.index();\n    parser.setState(ParserState.NORMAL);\n};\nescapedStateHandler['M'] = function (parser, terminal) {\n    terminal.reverseIndex();\n    parser.setState(ParserState.NORMAL);\n};\nescapedStateHandler['%'] = function (parser, terminal) {\n    terminal.setgLevel(0);\n    terminal.setgCharset(0, Charsets_1.DEFAULT_CHARSET);\n    parser.setState(ParserState.NORMAL);\n    parser.skipNextChar();\n};\nescapedStateHandler[EscapeSequences_1.C0.CAN] = function (parser) { return parser.setState(ParserState.NORMAL); };\nvar csiParamStateHandler = {};\ncsiParamStateHandler['?'] = function (parser) { return parser.setPrefix('?'); };\ncsiParamStateHandler['>'] = function (parser) { return parser.setPrefix('>'); };\ncsiParamStateHandler['!'] = function (parser) { return parser.setPrefix('!'); };\ncsiParamStateHandler['0'] = function (parser) { return parser.setParam(parser.getParam() * 10); };\ncsiParamStateHandler['1'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 1); };\ncsiParamStateHandler['2'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 2); };\ncsiParamStateHandler['3'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 3); };\ncsiParamStateHandler['4'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 4); };\ncsiParamStateHandler['5'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 5); };\ncsiParamStateHandler['6'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 6); };\ncsiParamStateHandler['7'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 7); };\ncsiParamStateHandler['8'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 8); };\ncsiParamStateHandler['9'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 9); };\ncsiParamStateHandler['$'] = function (parser) { return parser.setPostfix('$'); };\ncsiParamStateHandler['\"'] = function (parser) { return parser.setPostfix('\"'); };\ncsiParamStateHandler[' '] = function (parser) { return parser.setPostfix(' '); };\ncsiParamStateHandler['\\''] = function (parser) { return parser.setPostfix('\\''); };\ncsiParamStateHandler[';'] = function (parser) { return parser.finalizeParam(); };\ncsiParamStateHandler[EscapeSequences_1.C0.CAN] = function (parser) { return parser.setState(ParserState.NORMAL); };\nvar csiStateHandler = {};\ncsiStateHandler['@'] = function (handler, params, prefix) { return handler.insertChars(params); };\ncsiStateHandler['A'] = function (handler, params, prefix) { return handler.cursorUp(params); };\ncsiStateHandler['B'] = function (handler, params, prefix) { return handler.cursorDown(params); };\ncsiStateHandler['C'] = function (handler, params, prefix) { return handler.cursorForward(params); };\ncsiStateHandler['D'] = function (handler, params, prefix) { return handler.cursorBackward(params); };\ncsiStateHandler['E'] = function (handler, params, prefix) { return handler.cursorNextLine(params); };\ncsiStateHandler['F'] = function (handler, params, prefix) { return handler.cursorPrecedingLine(params); };\ncsiStateHandler['G'] = function (handler, params, prefix) { return handler.cursorCharAbsolute(params); };\ncsiStateHandler['H'] = function (handler, params, prefix) { return handler.cursorPosition(params); };\ncsiStateHandler['I'] = function (handler, params, prefix) { return handler.cursorForwardTab(params); };\ncsiStateHandler['J'] = function (handler, params, prefix) { return handler.eraseInDisplay(params); };\ncsiStateHandler['K'] = function (handler, params, prefix) { return handler.eraseInLine(params); };\ncsiStateHandler['L'] = function (handler, params, prefix) { return handler.insertLines(params); };\ncsiStateHandler['M'] = function (handler, params, prefix) { return handler.deleteLines(params); };\ncsiStateHandler['P'] = function (handler, params, prefix) { return handler.deleteChars(params); };\ncsiStateHandler['S'] = function (handler, params, prefix) { return handler.scrollUp(params); };\ncsiStateHandler['T'] = function (handler, params, prefix) {\n    if (params.length < 2 && !prefix) {\n        handler.scrollDown(params);\n    }\n};\ncsiStateHandler['X'] = function (handler, params, prefix) { return handler.eraseChars(params); };\ncsiStateHandler['Z'] = function (handler, params, prefix) { return handler.cursorBackwardTab(params); };\ncsiStateHandler['`'] = function (handler, params, prefix) { return handler.charPosAbsolute(params); };\ncsiStateHandler['a'] = function (handler, params, prefix) { return handler.HPositionRelative(params); };\ncsiStateHandler['b'] = function (handler, params, prefix) { return handler.repeatPrecedingCharacter(params); };\ncsiStateHandler['c'] = function (handler, params, prefix) { return handler.sendDeviceAttributes(params); };\ncsiStateHandler['d'] = function (handler, params, prefix) { return handler.linePosAbsolute(params); };\ncsiStateHandler['e'] = function (handler, params, prefix) { return handler.VPositionRelative(params); };\ncsiStateHandler['f'] = function (handler, params, prefix) { return handler.HVPosition(params); };\ncsiStateHandler['g'] = function (handler, params, prefix) { return handler.tabClear(params); };\ncsiStateHandler['h'] = function (handler, params, prefix) { return handler.setMode(params); };\ncsiStateHandler['l'] = function (handler, params, prefix) { return handler.resetMode(params); };\ncsiStateHandler['m'] = function (handler, params, prefix) { return handler.charAttributes(params); };\ncsiStateHandler['n'] = function (handler, params, prefix) { return handler.deviceStatus(params); };\ncsiStateHandler['p'] = function (handler, params, prefix) {\n    switch (prefix) {\n        case '!':\n            handler.softReset(params);\n            break;\n    }\n};\ncsiStateHandler['q'] = function (handler, params, prefix, postfix) {\n    if (postfix === ' ') {\n        handler.setCursorStyle(params);\n    }\n};\ncsiStateHandler['r'] = function (handler, params) { return handler.setScrollRegion(params); };\ncsiStateHandler['s'] = function (handler, params) { return handler.saveCursor(params); };\ncsiStateHandler['u'] = function (handler, params) { return handler.restoreCursor(params); };\ncsiStateHandler[EscapeSequences_1.C0.CAN] = function (handler, params, prefix, postfix, parser) { return parser.setState(ParserState.NORMAL); };\nvar ParserState;\n(function (ParserState) {\n    ParserState[ParserState[\"NORMAL\"] = 0] = \"NORMAL\";\n    ParserState[ParserState[\"ESCAPED\"] = 1] = \"ESCAPED\";\n    ParserState[ParserState[\"CSI_PARAM\"] = 2] = \"CSI_PARAM\";\n    ParserState[ParserState[\"CSI\"] = 3] = \"CSI\";\n    ParserState[ParserState[\"OSC\"] = 4] = \"OSC\";\n    ParserState[ParserState[\"CHARSET\"] = 5] = \"CHARSET\";\n    ParserState[ParserState[\"DCS\"] = 6] = \"DCS\";\n    ParserState[ParserState[\"IGNORE\"] = 7] = \"IGNORE\";\n})(ParserState || (ParserState = {}));\nvar Parser = (function () {\n    function Parser(_inputHandler, _terminal) {\n        this._inputHandler = _inputHandler;\n        this._terminal = _terminal;\n        this._state = ParserState.NORMAL;\n    }\n    Parser.prototype.parse = function (data) {\n        var l = data.length, j, cs, ch, code, low;\n        this._position = 0;\n        if (this._terminal.surrogate_high) {\n            data = this._terminal.surrogate_high + data;\n            this._terminal.surrogate_high = '';\n        }\n        for (; this._position < l; this._position++) {\n            ch = data[this._position];\n            code = data.charCodeAt(this._position);\n            if (0xD800 <= code && code <= 0xDBFF) {\n                low = data.charCodeAt(this._position + 1);\n                if (isNaN(low)) {\n                    this._terminal.surrogate_high = ch;\n                    continue;\n                }\n                code = ((code - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000;\n                ch += data.charAt(this._position + 1);\n            }\n            if (0xDC00 <= code && code <= 0xDFFF)\n                continue;\n            switch (this._state) {\n                case ParserState.NORMAL:\n                    if (ch in normalStateHandler) {\n                        normalStateHandler[ch](this, this._inputHandler);\n                    }\n                    else {\n                        this._inputHandler.addChar(ch, code);\n                    }\n                    break;\n                case ParserState.ESCAPED:\n                    if (ch in escapedStateHandler) {\n                        escapedStateHandler[ch](this, this._terminal);\n                        break;\n                    }\n                    switch (ch) {\n                        case '(':\n                        case ')':\n                        case '*':\n                        case '+':\n                        case '-':\n                        case '.':\n                            switch (ch) {\n                                case '(':\n                                    this._terminal.gcharset = 0;\n                                    break;\n                                case ')':\n                                    this._terminal.gcharset = 1;\n                                    break;\n                                case '*':\n                                    this._terminal.gcharset = 2;\n                                    break;\n                                case '+':\n                                    this._terminal.gcharset = 3;\n                                    break;\n                                case '-':\n                                    this._terminal.gcharset = 1;\n                                    break;\n                                case '.':\n                                    this._terminal.gcharset = 2;\n                                    break;\n                            }\n                            this._state = ParserState.CHARSET;\n                            break;\n                        case '/':\n                            this._terminal.gcharset = 3;\n                            this._state = ParserState.CHARSET;\n                            this._position--;\n                            break;\n                        case 'N':\n                            break;\n                        case 'O':\n                            break;\n                        case 'n':\n                            this._terminal.setgLevel(2);\n                            break;\n                        case 'o':\n                            this._terminal.setgLevel(3);\n                            break;\n                        case '|':\n                            this._terminal.setgLevel(3);\n                            break;\n                        case '}':\n                            this._terminal.setgLevel(2);\n                            break;\n                        case '~':\n                            this._terminal.setgLevel(1);\n                            break;\n                        case '7':\n                            this._inputHandler.saveCursor();\n                            this._state = ParserState.NORMAL;\n                            break;\n                        case '8':\n                            this._inputHandler.restoreCursor();\n                            this._state = ParserState.NORMAL;\n                            break;\n                        case '#':\n                            this._state = ParserState.NORMAL;\n                            this._position++;\n                            break;\n                        case 'H':\n                            this._terminal.tabSet();\n                            this._state = ParserState.NORMAL;\n                            break;\n                        case '=':\n                            this._terminal.log('Serial port requested application keypad.');\n                            this._terminal.applicationKeypad = true;\n                            this._terminal.viewport.syncScrollArea();\n                            this._state = ParserState.NORMAL;\n                            break;\n                        case '>':\n                            this._terminal.log('Switching back to normal keypad.');\n                            this._terminal.applicationKeypad = false;\n                            this._terminal.viewport.syncScrollArea();\n                            this._state = ParserState.NORMAL;\n                            break;\n                        default:\n                            this._state = ParserState.NORMAL;\n                            this._terminal.error('Unknown ESC control: %s.', ch);\n                            break;\n                    }\n                    break;\n                case ParserState.CHARSET:\n                    if (ch in Charsets_1.CHARSETS) {\n                        cs = Charsets_1.CHARSETS[ch];\n                        if (ch === '/') {\n                            this.skipNextChar();\n                        }\n                    }\n                    else {\n                        cs = Charsets_1.DEFAULT_CHARSET;\n                    }\n                    this._terminal.setgCharset(this._terminal.gcharset, cs);\n                    this._terminal.gcharset = null;\n                    this._state = ParserState.NORMAL;\n                    break;\n                case ParserState.OSC:\n                    if (ch === EscapeSequences_1.C0.ESC || ch === EscapeSequences_1.C0.BEL) {\n                        if (ch === EscapeSequences_1.C0.ESC)\n                            this._position++;\n                        this._terminal.params.push(this._terminal.currentParam);\n                        switch (this._terminal.params[0]) {\n                            case 0:\n                            case 1:\n                            case 2:\n                                if (this._terminal.params[1]) {\n                                    this._terminal.title = this._terminal.params[1];\n                                    this._terminal.handleTitle(this._terminal.title);\n                                }\n                                break;\n                            case 3:\n                                break;\n                            case 4:\n                            case 5:\n                                break;\n                            case 10:\n                            case 11:\n                            case 12:\n                            case 13:\n                            case 14:\n                            case 15:\n                            case 16:\n                            case 17:\n                            case 18:\n                            case 19:\n                                break;\n                            case 46:\n                                break;\n                            case 50:\n                                break;\n                            case 51:\n                                break;\n                            case 52:\n                                break;\n                            case 104:\n                            case 105:\n                            case 110:\n                            case 111:\n                            case 112:\n                            case 113:\n                            case 114:\n                            case 115:\n                            case 116:\n                            case 117:\n                            case 118:\n                                break;\n                        }\n                        this._terminal.params = [];\n                        this._terminal.currentParam = 0;\n                        this._state = ParserState.NORMAL;\n                    }\n                    else {\n                        if (!this._terminal.params.length) {\n                            if (ch >= '0' && ch <= '9') {\n                                this._terminal.currentParam =\n                                    this._terminal.currentParam * 10 + ch.charCodeAt(0) - 48;\n                            }\n                            else if (ch === ';') {\n                                this._terminal.params.push(this._terminal.currentParam);\n                                this._terminal.currentParam = '';\n                            }\n                        }\n                        else {\n                            this._terminal.currentParam += ch;\n                        }\n                    }\n                    break;\n                case ParserState.CSI_PARAM:\n                    if (ch in csiParamStateHandler) {\n                        csiParamStateHandler[ch](this);\n                        break;\n                    }\n                    this.finalizeParam();\n                    this._state = ParserState.CSI;\n                case ParserState.CSI:\n                    if (ch in csiStateHandler) {\n                        csiStateHandler[ch](this._inputHandler, this._terminal.params, this._terminal.prefix, this._terminal.postfix, this);\n                    }\n                    else {\n                        this._terminal.error('Unknown CSI code: %s.', ch);\n                    }\n                    this._state = ParserState.NORMAL;\n                    this._terminal.prefix = '';\n                    this._terminal.postfix = '';\n                    break;\n                case ParserState.DCS:\n                    if (ch === EscapeSequences_1.C0.ESC || ch === EscapeSequences_1.C0.BEL) {\n                        if (ch === EscapeSequences_1.C0.ESC)\n                            this._position++;\n                        var pt = void 0;\n                        var valid = void 0;\n                        switch (this._terminal.prefix) {\n                            case '':\n                                break;\n                            case '$q':\n                                pt = this._terminal.currentParam;\n                                valid = false;\n                                switch (pt) {\n                                    case '\"q':\n                                        pt = '0\"q';\n                                        break;\n                                    case '\"p':\n                                        pt = '61\"p';\n                                        break;\n                                    case 'r':\n                                        pt = ''\n                                            + (this._terminal.scrollTop + 1)\n                                            + ';'\n                                            + (this._terminal.scrollBottom + 1)\n                                            + 'r';\n                                        break;\n                                    case 'm':\n                                        pt = '0m';\n                                        break;\n                                    default:\n                                        this._terminal.error('Unknown DCS Pt: %s.', pt);\n                                        pt = '';\n                                        break;\n                                }\n                                this._terminal.send(EscapeSequences_1.C0.ESC + 'P' + +valid + '$r' + pt + EscapeSequences_1.C0.ESC + '\\\\');\n                                break;\n                            case '+p':\n                                break;\n                            case '+q':\n                                pt = this._terminal.currentParam;\n                                valid = false;\n                                this._terminal.send(EscapeSequences_1.C0.ESC + 'P' + +valid + '+r' + pt + EscapeSequences_1.C0.ESC + '\\\\');\n                                break;\n                            default:\n                                this._terminal.error('Unknown DCS prefix: %s.', this._terminal.prefix);\n                                break;\n                        }\n                        this._terminal.currentParam = 0;\n                        this._terminal.prefix = '';\n                        this._state = ParserState.NORMAL;\n                    }\n                    else if (!this._terminal.currentParam) {\n                        if (!this._terminal.prefix && ch !== '$' && ch !== '+') {\n                            this._terminal.currentParam = ch;\n                        }\n                        else if (this._terminal.prefix.length === 2) {\n                            this._terminal.currentParam = ch;\n                        }\n                        else {\n                            this._terminal.prefix += ch;\n                        }\n                    }\n                    else {\n                        this._terminal.currentParam += ch;\n                    }\n                    break;\n                case ParserState.IGNORE:\n                    if (ch === EscapeSequences_1.C0.ESC || ch === EscapeSequences_1.C0.BEL) {\n                        if (ch === EscapeSequences_1.C0.ESC)\n                            this._position++;\n                        this._state = ParserState.NORMAL;\n                    }\n                    break;\n            }\n        }\n        return this._state;\n    };\n    Parser.prototype.setState = function (state) {\n        this._state = state;\n    };\n    Parser.prototype.setPrefix = function (prefix) {\n        this._terminal.prefix = prefix;\n    };\n    Parser.prototype.setPostfix = function (postfix) {\n        this._terminal.postfix = postfix;\n    };\n    Parser.prototype.setParam = function (param) {\n        this._terminal.currentParam = param;\n    };\n    Parser.prototype.getParam = function () {\n        return this._terminal.currentParam;\n    };\n    Parser.prototype.finalizeParam = function () {\n        this._terminal.params.push(this._terminal.currentParam);\n        this._terminal.currentParam = 0;\n    };\n    Parser.prototype.skipNextChar = function () {\n        this._position++;\n    };\n    return Parser;\n}());\nexports.Parser = Parser;\n\n//# sourceMappingURL=Parser.js.map\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/Parser.js\n// module id = 19\n// module chunks = 0","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar DomElementObjectPool_1 = require(\"./utils/DomElementObjectPool\");\nvar MAX_REFRESH_FRAME_SKIP = 5;\nvar FLAGS;\n(function (FLAGS) {\n    FLAGS[FLAGS[\"BOLD\"] = 1] = \"BOLD\";\n    FLAGS[FLAGS[\"UNDERLINE\"] = 2] = \"UNDERLINE\";\n    FLAGS[FLAGS[\"BLINK\"] = 4] = \"BLINK\";\n    FLAGS[FLAGS[\"INVERSE\"] = 8] = \"INVERSE\";\n    FLAGS[FLAGS[\"INVISIBLE\"] = 16] = \"INVISIBLE\";\n})(FLAGS || (FLAGS = {}));\n;\nvar brokenBold = null;\nvar Renderer = (function () {\n    function Renderer(_terminal) {\n        this._terminal = _terminal;\n        this._refreshRowsQueue = [];\n        this._refreshFramesSkipped = 0;\n        this._refreshAnimationFrame = null;\n        this._spanElementObjectPool = new DomElementObjectPool_1.DomElementObjectPool('span');\n        if (brokenBold === null) {\n            brokenBold = checkBoldBroken(this._terminal.element);\n        }\n        this._spanElementObjectPool = new DomElementObjectPool_1.DomElementObjectPool('span');\n    }\n    Renderer.prototype.queueRefresh = function (start, end) {\n        this._refreshRowsQueue.push({ start: start, end: end });\n        if (!this._refreshAnimationFrame) {\n            this._refreshAnimationFrame = window.requestAnimationFrame(this._refreshLoop.bind(this));\n        }\n    };\n    Renderer.prototype._refreshLoop = function () {\n        var skipFrame = this._terminal.writeBuffer.length > 0 && this._refreshFramesSkipped++ <= MAX_REFRESH_FRAME_SKIP;\n        if (skipFrame) {\n            this._refreshAnimationFrame = window.requestAnimationFrame(this._refreshLoop.bind(this));\n            return;\n        }\n        this._refreshFramesSkipped = 0;\n        var start;\n        var end;\n        if (this._refreshRowsQueue.length > 4) {\n            start = 0;\n            end = this._terminal.rows - 1;\n        }\n        else {\n            start = this._refreshRowsQueue[0].start;\n            end = this._refreshRowsQueue[0].end;\n            for (var i = 1; i < this._refreshRowsQueue.length; i++) {\n                if (this._refreshRowsQueue[i].start < start) {\n                    start = this._refreshRowsQueue[i].start;\n                }\n                if (this._refreshRowsQueue[i].end > end) {\n                    end = this._refreshRowsQueue[i].end;\n                }\n            }\n        }\n        this._refreshRowsQueue = [];\n        this._refreshAnimationFrame = null;\n        this._refresh(start, end);\n    };\n    Renderer.prototype._refresh = function (start, end) {\n        var parent;\n        if (end - start >= this._terminal.rows / 2) {\n            parent = this._terminal.element.parentNode;\n            if (parent) {\n                this._terminal.element.removeChild(this._terminal.rowContainer);\n            }\n        }\n        var width = this._terminal.cols;\n        var y = start;\n        if (end >= this._terminal.rows) {\n            this._terminal.log('`end` is too large. Most likely a bad CSR.');\n            end = this._terminal.rows - 1;\n        }\n        for (; y <= end; y++) {\n            var row = y + this._terminal.ydisp;\n            var line = this._terminal.lines.get(row);\n            var x = void 0;\n            if (this._terminal.y === y - (this._terminal.ybase - this._terminal.ydisp) &&\n                this._terminal.cursorState &&\n                !this._terminal.cursorHidden) {\n                x = this._terminal.x;\n            }\n            else {\n                x = -1;\n            }\n            var attr = this._terminal.defAttr;\n            var documentFragment = document.createDocumentFragment();\n            var innerHTML = '';\n            var currentElement = void 0;\n            while (this._terminal.children[y].children.length) {\n                var child = this._terminal.children[y].children[0];\n                this._terminal.children[y].removeChild(child);\n                this._spanElementObjectPool.release(child);\n            }\n            for (var i = 0; i < width; i++) {\n                var data = line[i][0];\n                var ch = line[i][1];\n                var ch_width = line[i][2];\n                if (!ch_width) {\n                    continue;\n                }\n                if (i === x) {\n                    data = -1;\n                }\n                if (data !== attr) {\n                    if (attr !== this._terminal.defAttr) {\n                        if (innerHTML) {\n                            currentElement.innerHTML = innerHTML;\n                            innerHTML = '';\n                        }\n                        documentFragment.appendChild(currentElement);\n                        currentElement = null;\n                    }\n                    if (data !== this._terminal.defAttr) {\n                        if (innerHTML && !currentElement) {\n                            currentElement = this._spanElementObjectPool.acquire();\n                        }\n                        if (currentElement) {\n                            if (innerHTML) {\n                                currentElement.innerHTML = innerHTML;\n                                innerHTML = '';\n                            }\n                            documentFragment.appendChild(currentElement);\n                        }\n                        currentElement = this._spanElementObjectPool.acquire();\n                        if (data === -1) {\n                            currentElement.classList.add('reverse-video');\n                            currentElement.classList.add('terminal-cursor');\n                        }\n                        else {\n                            var bg = data & 0x1ff;\n                            var fg = (data >> 9) & 0x1ff;\n                            var flags = data >> 18;\n                            if (flags & FLAGS.BOLD) {\n                                if (!brokenBold) {\n                                    currentElement.classList.add('xterm-bold');\n                                }\n                                if (fg < 8) {\n                                    fg += 8;\n                                }\n                            }\n                            if (flags & FLAGS.UNDERLINE) {\n                                currentElement.classList.add('xterm-underline');\n                            }\n                            if (flags & FLAGS.BLINK) {\n                                currentElement.classList.add('xterm-blink');\n                            }\n                            if (flags & FLAGS.INVERSE) {\n                                var temp = bg;\n                                bg = fg;\n                                fg = temp;\n                                if ((flags & 1) && fg < 8) {\n                                    fg += 8;\n                                }\n                            }\n                            if (flags & FLAGS.INVISIBLE) {\n                                currentElement.classList.add('xterm-hidden');\n                            }\n                            if (flags & FLAGS.INVERSE) {\n                                if (bg === 257) {\n                                    bg = 15;\n                                }\n                                if (fg === 256) {\n                                    fg = 0;\n                                }\n                            }\n                            if (bg < 256) {\n                                currentElement.classList.add(\"xterm-bg-color-\" + bg);\n                            }\n                            if (fg < 256) {\n                                currentElement.classList.add(\"xterm-color-\" + fg);\n                            }\n                        }\n                    }\n                }\n                if (ch_width === 2) {\n                    innerHTML += \"<span class=\\\"xterm-wide-char\\\">\" + ch + \"</span>\";\n                }\n                else if (ch.charCodeAt(0) > 255) {\n                    innerHTML += \"<span class=\\\"xterm-normal-char\\\">\" + ch + \"</span>\";\n                }\n                else {\n                    switch (ch) {\n                        case '&':\n                            innerHTML += '&amp;';\n                            break;\n                        case '<':\n                            innerHTML += '&lt;';\n                            break;\n                        case '>':\n                            innerHTML += '&gt;';\n                            break;\n                        default:\n                            if (ch <= ' ') {\n                                innerHTML += '&nbsp;';\n                            }\n                            else {\n                                innerHTML += ch;\n                            }\n                            break;\n                    }\n                }\n                attr = data;\n            }\n            if (innerHTML && !currentElement) {\n                currentElement = this._spanElementObjectPool.acquire();\n            }\n            if (currentElement) {\n                if (innerHTML) {\n                    currentElement.innerHTML = innerHTML;\n                    innerHTML = '';\n                }\n                documentFragment.appendChild(currentElement);\n                currentElement = null;\n            }\n            this._terminal.children[y].appendChild(documentFragment);\n        }\n        if (parent) {\n            this._terminal.element.appendChild(this._terminal.rowContainer);\n        }\n        this._terminal.emit('refresh', { element: this._terminal.element, start: start, end: end });\n    };\n    ;\n    Renderer.prototype.refreshSelection = function (start, end) {\n        while (this._terminal.selectionContainer.children.length) {\n            this._terminal.selectionContainer.removeChild(this._terminal.selectionContainer.children[0]);\n        }\n        if (!start || !end) {\n            return;\n        }\n        var viewportStartRow = start[1] - this._terminal.ydisp;\n        var viewportEndRow = end[1] - this._terminal.ydisp;\n        var viewportCappedStartRow = Math.max(viewportStartRow, 0);\n        var viewportCappedEndRow = Math.min(viewportEndRow, this._terminal.rows - 1);\n        if (viewportCappedStartRow >= this._terminal.rows || viewportCappedEndRow < 0) {\n            return;\n        }\n        var documentFragment = document.createDocumentFragment();\n        var startCol = viewportStartRow === viewportCappedStartRow ? start[0] : 0;\n        var endCol = viewportCappedStartRow === viewportCappedEndRow ? end[0] : this._terminal.cols;\n        documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow, startCol, endCol));\n        var middleRowsCount = viewportCappedEndRow - viewportCappedStartRow - 1;\n        documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow + 1, 0, this._terminal.cols, middleRowsCount));\n        if (viewportCappedStartRow !== viewportCappedEndRow) {\n            var endCol_1 = viewportEndRow === viewportCappedEndRow ? end[0] : this._terminal.cols;\n            documentFragment.appendChild(this._createSelectionElement(viewportCappedEndRow, 0, endCol_1));\n        }\n        this._terminal.selectionContainer.appendChild(documentFragment);\n    };\n    Renderer.prototype._createSelectionElement = function (row, colStart, colEnd, rowCount) {\n        if (rowCount === void 0) { rowCount = 1; }\n        var element = document.createElement('div');\n        element.style.height = rowCount * this._terminal.charMeasure.height + \"px\";\n        element.style.top = row * this._terminal.charMeasure.height + \"px\";\n        element.style.left = colStart * this._terminal.charMeasure.width + \"px\";\n        element.style.width = this._terminal.charMeasure.width * (colEnd - colStart) + \"px\";\n        return element;\n    };\n    return Renderer;\n}());\nexports.Renderer = Renderer;\nfunction checkBoldBroken(terminal) {\n    var document = terminal.ownerDocument;\n    var el = document.createElement('span');\n    el.innerHTML = 'hello world';\n    terminal.appendChild(el);\n    var w1 = el.offsetWidth;\n    var h1 = el.offsetHeight;\n    el.style.fontWeight = 'bold';\n    var w2 = el.offsetWidth;\n    var h2 = el.offsetHeight;\n    terminal.removeChild(el);\n    return w1 !== w2 || h1 !== h2;\n}\n\n//# sourceMappingURL=Renderer.js.map\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/Renderer.js\n// module id = 20\n// module chunks = 0","\"use strict\";\nvar __extends = (this && this.__extends) || (function () {\n    var extendStatics = Object.setPrototypeOf ||\n        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\n    return function (d, b) {\n        extendStatics(d, b);\n        function __() { this.constructor = d; }\n        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n    };\n})();\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar Mouse = require(\"./utils/Mouse\");\nvar Browser = require(\"./utils/Browser\");\nvar EventEmitter_1 = require(\"./EventEmitter\");\nvar SelectionModel_1 = require(\"./SelectionModel\");\nvar DRAG_SCROLL_MAX_THRESHOLD = 50;\nvar DRAG_SCROLL_MAX_SPEED = 15;\nvar DRAG_SCROLL_INTERVAL = 50;\nvar CLEAR_MOUSE_DOWN_TIME = 400;\nvar CLEAR_MOUSE_DISTANCE = 10;\nvar WORD_SEPARATORS = ' ()[]{}\\'\"';\nvar LINE_DATA_CHAR_INDEX = 1;\nvar LINE_DATA_WIDTH_INDEX = 2;\nvar NON_BREAKING_SPACE_CHAR = String.fromCharCode(160);\nvar ALL_NON_BREAKING_SPACE_REGEX = new RegExp(NON_BREAKING_SPACE_CHAR, 'g');\nvar SelectionMode;\n(function (SelectionMode) {\n    SelectionMode[SelectionMode[\"NORMAL\"] = 0] = \"NORMAL\";\n    SelectionMode[SelectionMode[\"WORD\"] = 1] = \"WORD\";\n    SelectionMode[SelectionMode[\"LINE\"] = 2] = \"LINE\";\n})(SelectionMode || (SelectionMode = {}));\nvar SelectionManager = (function (_super) {\n    __extends(SelectionManager, _super);\n    function SelectionManager(_terminal, _buffer, _rowContainer, _charMeasure) {\n        var _this = _super.call(this) || this;\n        _this._terminal = _terminal;\n        _this._buffer = _buffer;\n        _this._rowContainer = _rowContainer;\n        _this._charMeasure = _charMeasure;\n        _this._initListeners();\n        _this.enable();\n        _this._model = new SelectionModel_1.SelectionModel(_terminal);\n        _this._lastMouseDownTime = 0;\n        _this._activeSelectionMode = SelectionMode.NORMAL;\n        return _this;\n    }\n    SelectionManager.prototype._initListeners = function () {\n        var _this = this;\n        this._bufferTrimListener = function (amount) { return _this._onTrim(amount); };\n        this._mouseMoveListener = function (event) { return _this._onMouseMove(event); };\n        this._mouseDownListener = function (event) { return _this._onMouseDown(event); };\n        this._mouseUpListener = function (event) { return _this._onMouseUp(event); };\n    };\n    SelectionManager.prototype.disable = function () {\n        this.clearSelection();\n        this._buffer.off('trim', this._bufferTrimListener);\n        this._rowContainer.removeEventListener('mousedown', this._mouseDownListener);\n    };\n    SelectionManager.prototype.enable = function () {\n        this._buffer.on('trim', this._bufferTrimListener);\n        this._rowContainer.addEventListener('mousedown', this._mouseDownListener);\n    };\n    SelectionManager.prototype.setBuffer = function (buffer) {\n        this._buffer = buffer;\n        this.clearSelection();\n    };\n    Object.defineProperty(SelectionManager.prototype, \"hasSelection\", {\n        get: function () {\n            var start = this._model.finalSelectionStart;\n            var end = this._model.finalSelectionEnd;\n            if (!start || !end) {\n                return false;\n            }\n            return start[0] !== end[0] || start[1] !== end[1];\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(SelectionManager.prototype, \"selectionText\", {\n        get: function () {\n            var start = this._model.finalSelectionStart;\n            var end = this._model.finalSelectionEnd;\n            if (!start || !end) {\n                return '';\n            }\n            var startRowEndCol = start[1] === end[1] ? end[0] : null;\n            var result = [];\n            result.push(this._translateBufferLineToString(this._buffer.get(start[1]), true, start[0], startRowEndCol));\n            for (var i = start[1] + 1; i <= end[1] - 1; i++) {\n                var bufferLine = this._buffer.get(i);\n                var lineText = this._translateBufferLineToString(bufferLine, true);\n                if (bufferLine.isWrapped) {\n                    result[result.length - 1] += lineText;\n                }\n                else {\n                    result.push(lineText);\n                }\n            }\n            if (start[1] !== end[1]) {\n                var bufferLine = this._buffer.get(end[1]);\n                var lineText = this._translateBufferLineToString(bufferLine, true, 0, end[0]);\n                if (bufferLine.isWrapped) {\n                    result[result.length - 1] += lineText;\n                }\n                else {\n                    result.push(lineText);\n                }\n            }\n            var formattedResult = result.map(function (line) {\n                return line.replace(ALL_NON_BREAKING_SPACE_REGEX, ' ');\n            }).join(Browser.isMSWindows ? '\\r\\n' : '\\n');\n            return formattedResult;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    SelectionManager.prototype.clearSelection = function () {\n        this._model.clearSelection();\n        this._removeMouseDownListeners();\n        this.refresh();\n    };\n    SelectionManager.prototype._translateBufferLineToString = function (line, trimRight, startCol, endCol) {\n        if (startCol === void 0) { startCol = 0; }\n        if (endCol === void 0) { endCol = null; }\n        var lineString = '';\n        var widthAdjustedStartCol = startCol;\n        var widthAdjustedEndCol = endCol;\n        for (var i = 0; i < line.length; i++) {\n            var char = line[i];\n            lineString += char[LINE_DATA_CHAR_INDEX];\n            if (char[LINE_DATA_WIDTH_INDEX] === 0) {\n                if (startCol >= i) {\n                    widthAdjustedStartCol--;\n                }\n                if (endCol >= i) {\n                    widthAdjustedEndCol--;\n                }\n            }\n        }\n        var finalEndCol = widthAdjustedEndCol || line.length;\n        if (trimRight) {\n            var rightWhitespaceIndex = lineString.search(/\\s+$/);\n            if (rightWhitespaceIndex !== -1) {\n                finalEndCol = Math.min(finalEndCol, rightWhitespaceIndex);\n            }\n            if (finalEndCol <= widthAdjustedStartCol) {\n                return '';\n            }\n        }\n        return lineString.substring(widthAdjustedStartCol, finalEndCol);\n    };\n    SelectionManager.prototype.refresh = function (isNewSelection) {\n        var _this = this;\n        if (!this._refreshAnimationFrame) {\n            this._refreshAnimationFrame = window.requestAnimationFrame(function () { return _this._refresh(); });\n        }\n        if (Browser.isLinux && isNewSelection) {\n            var selectionText = this.selectionText;\n            if (selectionText.length) {\n                this.emit('newselection', this.selectionText);\n            }\n        }\n    };\n    SelectionManager.prototype._refresh = function () {\n        this._refreshAnimationFrame = null;\n        this.emit('refresh', { start: this._model.finalSelectionStart, end: this._model.finalSelectionEnd });\n    };\n    SelectionManager.prototype.selectAll = function () {\n        this._model.isSelectAllActive = true;\n        this.refresh();\n    };\n    SelectionManager.prototype._onTrim = function (amount) {\n        var needsRefresh = this._model.onTrim(amount);\n        if (needsRefresh) {\n            this.refresh();\n        }\n    };\n    SelectionManager.prototype._getMouseBufferCoords = function (event) {\n        var coords = Mouse.getCoords(event, this._rowContainer, this._charMeasure, this._terminal.cols, this._terminal.rows, true);\n        coords[0]--;\n        coords[1]--;\n        coords[1] += this._terminal.ydisp;\n        return coords;\n    };\n    SelectionManager.prototype._getMouseEventScrollAmount = function (event) {\n        var offset = Mouse.getCoordsRelativeToElement(event, this._rowContainer)[1];\n        var terminalHeight = this._terminal.rows * this._charMeasure.height;\n        if (offset >= 0 && offset <= terminalHeight) {\n            return 0;\n        }\n        if (offset > terminalHeight) {\n            offset -= terminalHeight;\n        }\n        offset = Math.min(Math.max(offset, -DRAG_SCROLL_MAX_THRESHOLD), DRAG_SCROLL_MAX_THRESHOLD);\n        offset /= DRAG_SCROLL_MAX_THRESHOLD;\n        return (offset / Math.abs(offset)) + Math.round(offset * (DRAG_SCROLL_MAX_SPEED - 1));\n    };\n    SelectionManager.prototype._onMouseDown = function (event) {\n        if (event.button !== 0) {\n            return;\n        }\n        event.preventDefault();\n        this._dragScrollAmount = 0;\n        this._setMouseClickCount(event);\n        if (event.shiftKey) {\n            this._onShiftClick(event);\n        }\n        else {\n            if (this._clickCount === 1) {\n                this._onSingleClick(event);\n            }\n            else if (this._clickCount === 2) {\n                this._onDoubleClick(event);\n            }\n            else if (this._clickCount === 3) {\n                this._onTripleClick(event);\n            }\n        }\n        this._addMouseDownListeners();\n        this.refresh(true);\n    };\n    SelectionManager.prototype._addMouseDownListeners = function () {\n        var _this = this;\n        this._rowContainer.ownerDocument.addEventListener('mousemove', this._mouseMoveListener);\n        this._rowContainer.ownerDocument.addEventListener('mouseup', this._mouseUpListener);\n        this._dragScrollIntervalTimer = setInterval(function () { return _this._dragScroll(); }, DRAG_SCROLL_INTERVAL);\n    };\n    SelectionManager.prototype._removeMouseDownListeners = function () {\n        this._rowContainer.ownerDocument.removeEventListener('mousemove', this._mouseMoveListener);\n        this._rowContainer.ownerDocument.removeEventListener('mouseup', this._mouseUpListener);\n        clearInterval(this._dragScrollIntervalTimer);\n        this._dragScrollIntervalTimer = null;\n    };\n    SelectionManager.prototype._onShiftClick = function (event) {\n        if (this._model.selectionStart) {\n            this._model.selectionEnd = this._getMouseBufferCoords(event);\n        }\n    };\n    SelectionManager.prototype._onSingleClick = function (event) {\n        this._model.selectionStartLength = 0;\n        this._model.isSelectAllActive = false;\n        this._activeSelectionMode = SelectionMode.NORMAL;\n        this._model.selectionStart = this._getMouseBufferCoords(event);\n        if (this._model.selectionStart) {\n            this._model.selectionEnd = null;\n            var char = this._buffer.get(this._model.selectionStart[1])[this._model.selectionStart[0]];\n            if (char[LINE_DATA_WIDTH_INDEX] === 0) {\n                this._model.selectionStart[0]++;\n            }\n        }\n    };\n    SelectionManager.prototype._onDoubleClick = function (event) {\n        var coords = this._getMouseBufferCoords(event);\n        if (coords) {\n            this._activeSelectionMode = SelectionMode.WORD;\n            this._selectWordAt(coords);\n        }\n    };\n    SelectionManager.prototype._onTripleClick = function (event) {\n        var coords = this._getMouseBufferCoords(event);\n        if (coords) {\n            this._activeSelectionMode = SelectionMode.LINE;\n            this._selectLineAt(coords[1]);\n        }\n    };\n    SelectionManager.prototype._setMouseClickCount = function (event) {\n        var currentTime = (new Date()).getTime();\n        if (currentTime - this._lastMouseDownTime > CLEAR_MOUSE_DOWN_TIME || this._distanceFromLastMousePosition(event) > CLEAR_MOUSE_DISTANCE) {\n            this._clickCount = 0;\n        }\n        this._lastMouseDownTime = currentTime;\n        this._lastMousePosition = [event.pageX, event.pageY];\n        this._clickCount++;\n    };\n    SelectionManager.prototype._distanceFromLastMousePosition = function (event) {\n        var result = Math.max(Math.abs(this._lastMousePosition[0] - event.pageX), Math.abs(this._lastMousePosition[1] - event.pageY));\n        return result;\n    };\n    SelectionManager.prototype._onMouseMove = function (event) {\n        var previousSelectionEnd = this._model.selectionEnd ? [this._model.selectionEnd[0], this._model.selectionEnd[1]] : null;\n        this._model.selectionEnd = this._getMouseBufferCoords(event);\n        if (this._activeSelectionMode === SelectionMode.LINE) {\n            if (this._model.selectionEnd[1] < this._model.selectionStart[1]) {\n                this._model.selectionEnd[0] = 0;\n            }\n            else {\n                this._model.selectionEnd[0] = this._terminal.cols;\n            }\n        }\n        else if (this._activeSelectionMode === SelectionMode.WORD) {\n            this._selectToWordAt(this._model.selectionEnd);\n        }\n        this._dragScrollAmount = this._getMouseEventScrollAmount(event);\n        if (this._dragScrollAmount > 0) {\n            this._model.selectionEnd[0] = this._terminal.cols - 1;\n        }\n        else if (this._dragScrollAmount < 0) {\n            this._model.selectionEnd[0] = 0;\n        }\n        if (this._model.selectionEnd[1] < this._buffer.length) {\n            var char = this._buffer.get(this._model.selectionEnd[1])[this._model.selectionEnd[0]];\n            if (char && char[2] === 0) {\n                this._model.selectionEnd[0]++;\n            }\n        }\n        if (!previousSelectionEnd ||\n            previousSelectionEnd[0] !== this._model.selectionEnd[0] ||\n            previousSelectionEnd[1] !== this._model.selectionEnd[1]) {\n            this.refresh(true);\n        }\n    };\n    SelectionManager.prototype._dragScroll = function () {\n        if (this._dragScrollAmount) {\n            this._terminal.scrollDisp(this._dragScrollAmount, false);\n            if (this._dragScrollAmount > 0) {\n                this._model.selectionEnd = [this._terminal.cols - 1, this._terminal.ydisp + this._terminal.rows];\n            }\n            else {\n                this._model.selectionEnd = [0, this._terminal.ydisp];\n            }\n            this.refresh();\n        }\n    };\n    SelectionManager.prototype._onMouseUp = function (event) {\n        this._removeMouseDownListeners();\n    };\n    SelectionManager.prototype._convertViewportColToCharacterIndex = function (bufferLine, coords) {\n        var charIndex = coords[0];\n        for (var i = 0; coords[0] >= i; i++) {\n            var char = bufferLine[i];\n            if (char[LINE_DATA_WIDTH_INDEX] === 0) {\n                charIndex--;\n            }\n        }\n        return charIndex;\n    };\n    SelectionManager.prototype._getWordAt = function (coords) {\n        var bufferLine = this._buffer.get(coords[1]);\n        var line = this._translateBufferLineToString(bufferLine, false);\n        var endIndex = this._convertViewportColToCharacterIndex(bufferLine, coords);\n        var startIndex = endIndex;\n        var charOffset = coords[0] - startIndex;\n        var leftWideCharCount = 0;\n        var rightWideCharCount = 0;\n        if (line.charAt(startIndex) === ' ') {\n            while (startIndex > 0 && line.charAt(startIndex - 1) === ' ') {\n                startIndex--;\n            }\n            while (endIndex < line.length && line.charAt(endIndex + 1) === ' ') {\n                endIndex++;\n            }\n        }\n        else {\n            var startCol = coords[0];\n            var endCol = coords[0];\n            if (bufferLine[startCol][LINE_DATA_WIDTH_INDEX] === 0) {\n                leftWideCharCount++;\n                startCol--;\n            }\n            if (bufferLine[endCol][LINE_DATA_WIDTH_INDEX] === 2) {\n                rightWideCharCount++;\n                endCol++;\n            }\n            while (startIndex > 0 && !this._isCharWordSeparator(line.charAt(startIndex - 1))) {\n                if (bufferLine[startCol - 1][LINE_DATA_WIDTH_INDEX] === 0) {\n                    leftWideCharCount++;\n                    startCol--;\n                }\n                startIndex--;\n                startCol--;\n            }\n            while (endIndex + 1 < line.length && !this._isCharWordSeparator(line.charAt(endIndex + 1))) {\n                if (bufferLine[endCol + 1][LINE_DATA_WIDTH_INDEX] === 2) {\n                    rightWideCharCount++;\n                    endCol++;\n                }\n                endIndex++;\n                endCol++;\n            }\n        }\n        var start = startIndex + charOffset - leftWideCharCount;\n        var length = Math.min(endIndex - startIndex + leftWideCharCount + rightWideCharCount + 1, this._terminal.cols);\n        return { start: start, length: length };\n    };\n    SelectionManager.prototype._selectWordAt = function (coords) {\n        var wordPosition = this._getWordAt(coords);\n        this._model.selectionStart = [wordPosition.start, coords[1]];\n        this._model.selectionStartLength = wordPosition.length;\n    };\n    SelectionManager.prototype._selectToWordAt = function (coords) {\n        var wordPosition = this._getWordAt(coords);\n        this._model.selectionEnd = [this._model.areSelectionValuesReversed() ? wordPosition.start : (wordPosition.start + wordPosition.length), coords[1]];\n    };\n    SelectionManager.prototype._isCharWordSeparator = function (char) {\n        return WORD_SEPARATORS.indexOf(char) >= 0;\n    };\n    SelectionManager.prototype._selectLineAt = function (line) {\n        this._model.selectionStart = [0, line];\n        this._model.selectionStartLength = this._terminal.cols;\n    };\n    return SelectionManager;\n}(EventEmitter_1.EventEmitter));\nexports.SelectionManager = SelectionManager;\n\n//# sourceMappingURL=SelectionManager.js.map\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/SelectionManager.js\n// module id = 21\n// module chunks = 0","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar SelectionModel = (function () {\n    function SelectionModel(_terminal) {\n        this._terminal = _terminal;\n        this.clearSelection();\n    }\n    SelectionModel.prototype.clearSelection = function () {\n        this.selectionStart = null;\n        this.selectionEnd = null;\n        this.isSelectAllActive = false;\n        this.selectionStartLength = 0;\n    };\n    Object.defineProperty(SelectionModel.prototype, \"finalSelectionStart\", {\n        get: function () {\n            if (this.isSelectAllActive) {\n                return [0, 0];\n            }\n            if (!this.selectionEnd || !this.selectionStart) {\n                return this.selectionStart;\n            }\n            return this.areSelectionValuesReversed() ? this.selectionEnd : this.selectionStart;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(SelectionModel.prototype, \"finalSelectionEnd\", {\n        get: function () {\n            if (this.isSelectAllActive) {\n                return [this._terminal.cols, this._terminal.ybase + this._terminal.rows - 1];\n            }\n            if (!this.selectionStart) {\n                return null;\n            }\n            if (!this.selectionEnd || this.areSelectionValuesReversed()) {\n                return [this.selectionStart[0] + this.selectionStartLength, this.selectionStart[1]];\n            }\n            if (this.selectionStartLength) {\n                if (this.selectionEnd[1] === this.selectionStart[1]) {\n                    return [Math.max(this.selectionStart[0] + this.selectionStartLength, this.selectionEnd[0]), this.selectionEnd[1]];\n                }\n            }\n            return this.selectionEnd;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    SelectionModel.prototype.areSelectionValuesReversed = function () {\n        var start = this.selectionStart;\n        var end = this.selectionEnd;\n        return start[1] > end[1] || (start[1] === end[1] && start[0] > end[0]);\n    };\n    SelectionModel.prototype.onTrim = function (amount) {\n        if (this.selectionStart) {\n            this.selectionStart[1] -= amount;\n        }\n        if (this.selectionEnd) {\n            this.selectionEnd[1] -= amount;\n        }\n        if (this.selectionEnd && this.selectionEnd[1] < 0) {\n            this.clearSelection();\n            return true;\n        }\n        if (this.selectionStart && this.selectionStart[1] < 0) {\n            this.selectionStart[1] = 0;\n        }\n        return false;\n    };\n    return SelectionModel;\n}());\nexports.SelectionModel = SelectionModel;\n\n//# sourceMappingURL=SelectionModel.js.map\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/SelectionModel.js\n// module id = 22\n// module chunks = 0","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar Viewport = (function () {\n    function Viewport(terminal, viewportElement, scrollArea, charMeasure) {\n        var _this = this;\n        this.terminal = terminal;\n        this.viewportElement = viewportElement;\n        this.scrollArea = scrollArea;\n        this.charMeasure = charMeasure;\n        this.currentRowHeight = 0;\n        this.lastRecordedBufferLength = 0;\n        this.lastRecordedViewportHeight = 0;\n        this.terminal.on('scroll', this.syncScrollArea.bind(this));\n        this.terminal.on('resize', this.syncScrollArea.bind(this));\n        this.viewportElement.addEventListener('scroll', this.onScroll.bind(this));\n        setTimeout(function () { return _this.syncScrollArea(); }, 0);\n    }\n    Viewport.prototype.refresh = function () {\n        if (this.charMeasure.height > 0) {\n            var rowHeightChanged = this.charMeasure.height !== this.currentRowHeight;\n            if (rowHeightChanged) {\n                this.currentRowHeight = this.charMeasure.height;\n                this.viewportElement.style.lineHeight = this.charMeasure.height + 'px';\n                this.terminal.rowContainer.style.lineHeight = this.charMeasure.height + 'px';\n            }\n            var viewportHeightChanged = this.lastRecordedViewportHeight !== this.terminal.rows;\n            if (rowHeightChanged || viewportHeightChanged) {\n                this.lastRecordedViewportHeight = this.terminal.rows;\n                this.viewportElement.style.height = this.charMeasure.height * this.terminal.rows + 'px';\n                this.terminal.selectionContainer.style.height = this.viewportElement.style.height;\n            }\n            this.scrollArea.style.height = (this.charMeasure.height * this.lastRecordedBufferLength) + 'px';\n        }\n    };\n    Viewport.prototype.syncScrollArea = function () {\n        if (this.lastRecordedBufferLength !== this.terminal.lines.length) {\n            this.lastRecordedBufferLength = this.terminal.lines.length;\n            this.refresh();\n        }\n        else if (this.lastRecordedViewportHeight !== this.terminal.rows) {\n            this.refresh();\n        }\n        else {\n            if (this.charMeasure.height !== this.currentRowHeight) {\n                this.refresh();\n            }\n        }\n        var scrollTop = this.terminal.ydisp * this.currentRowHeight;\n        if (this.viewportElement.scrollTop !== scrollTop) {\n            this.viewportElement.scrollTop = scrollTop;\n        }\n    };\n    Viewport.prototype.onScroll = function (ev) {\n        var newRow = Math.round(this.viewportElement.scrollTop / this.currentRowHeight);\n        var diff = newRow - this.terminal.ydisp;\n        this.terminal.scrollDisp(diff, true);\n    };\n    Viewport.prototype.onWheel = function (ev) {\n        if (ev.deltaY === 0) {\n            return;\n        }\n        var multiplier = 1;\n        if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) {\n            multiplier = this.currentRowHeight;\n        }\n        else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {\n            multiplier = this.currentRowHeight * this.terminal.rows;\n        }\n        this.viewportElement.scrollTop += ev.deltaY * multiplier;\n        ev.preventDefault();\n    };\n    ;\n    Viewport.prototype.onTouchStart = function (ev) {\n        this.lastTouchY = ev.touches[0].pageY;\n    };\n    ;\n    Viewport.prototype.onTouchMove = function (ev) {\n        var deltaY = this.lastTouchY - ev.touches[0].pageY;\n        this.lastTouchY = ev.touches[0].pageY;\n        if (deltaY === 0) {\n            return;\n        }\n        this.viewportElement.scrollTop += deltaY;\n        ev.preventDefault();\n    };\n    ;\n    return Viewport;\n}());\nexports.Viewport = Viewport;\n\n//# sourceMappingURL=Viewport.js.map\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/Viewport.js\n// module id = 23\n// module chunks = 0","var map = {\n\t\"./attach/attach\": 4,\n\t\"./attach/attach.js\": 4,\n\t\"./attach/package.json\": 25,\n\t\"./fit/fit\": 5,\n\t\"./fit/fit.js\": 5,\n\t\"./fit/package.json\": 26,\n\t\"./fullscreen/fullscreen\": 6,\n\t\"./fullscreen/fullscreen.css\": 27,\n\t\"./fullscreen/fullscreen.js\": 6,\n\t\"./fullscreen/package.json\": 28,\n\t\"./terminado/package.json\": 29,\n\t\"./terminado/terminado\": 7,\n\t\"./terminado/terminado.js\": 7\n};\nfunction webpackContext(req) {\n\treturn __webpack_require__(webpackContextResolve(req));\n};\nfunction webpackContextResolve(req) {\n\tvar id = map[req];\n\tif(!(id + 1)) // check for number or string\n\t\tthrow new Error(\"Cannot find module '\" + req + \"'.\");\n\treturn id;\n};\nwebpackContext.keys = function webpackContextKeys() {\n\treturn Object.keys(map);\n};\nwebpackContext.resolve = webpackContextResolve;\nmodule.exports = webpackContext;\nwebpackContext.id = 24;\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/addons ^\\.\\/.*$\n// module id = 24\n// module chunks = 0","module.exports = {\"name\":\"xterm.attach\",\"main\":\"attach.js\",\"private\":true}\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/addons/attach/package.json\n// module id = 25\n// module chunks = 0","module.exports = {\"name\":\"xterm.fit\",\"main\":\"fit.js\",\"private\":true}\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/addons/fit/package.json\n// module id = 26\n// module chunks = 0","module.exports = {\"name\":\"xterm.fullscreen\",\"main\":\"fullscreen.js\",\"private\":true}\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/addons/fullscreen/package.json\n// module id = 28\n// module chunks = 0","module.exports = {\"name\":\"xterm.terminado\",\"main\":\"terminado.js\",\"private\":true}\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/addons/terminado/package.json\n// module id = 29\n// module chunks = 0","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nfunction prepareTextForTerminal(text, isMSWindows) {\n    if (isMSWindows) {\n        return text.replace(/\\r?\\n/g, '\\r');\n    }\n    return text;\n}\nexports.prepareTextForTerminal = prepareTextForTerminal;\nfunction copyHandler(ev, term, selectionManager) {\n    if (term.browser.isMSIE) {\n        window.clipboardData.setData('Text', selectionManager.selectionText);\n    }\n    else {\n        ev.clipboardData.setData('text/plain', selectionManager.selectionText);\n    }\n    ev.preventDefault();\n}\nexports.copyHandler = copyHandler;\nfunction pasteHandler(ev, term) {\n    ev.stopPropagation();\n    var text;\n    var dispatchPaste = function (text) {\n        text = prepareTextForTerminal(text, term.browser.isMSWindows);\n        term.handler(text);\n        term.textarea.value = '';\n        term.emit('paste', text);\n        return term.cancel(ev);\n    };\n    if (term.browser.isMSIE) {\n        if (window.clipboardData) {\n            text = window.clipboardData.getData('Text');\n            dispatchPaste(text);\n        }\n    }\n    else {\n        if (ev.clipboardData) {\n            text = ev.clipboardData.getData('text/plain');\n            dispatchPaste(text);\n        }\n    }\n}\nexports.pasteHandler = pasteHandler;\nfunction moveTextAreaUnderMouseCursor(ev, textarea) {\n    textarea.style.position = 'fixed';\n    textarea.style.width = '20px';\n    textarea.style.height = '20px';\n    textarea.style.left = (ev.clientX - 10) + 'px';\n    textarea.style.top = (ev.clientY - 10) + 'px';\n    textarea.style.zIndex = '1000';\n    textarea.focus();\n    setTimeout(function () {\n        textarea.style.position = null;\n        textarea.style.width = null;\n        textarea.style.height = null;\n        textarea.style.left = null;\n        textarea.style.top = null;\n        textarea.style.zIndex = null;\n    }, 4);\n}\nexports.moveTextAreaUnderMouseCursor = moveTextAreaUnderMouseCursor;\nfunction rightClickHandler(ev, textarea, selectionManager) {\n    moveTextAreaUnderMouseCursor(ev, textarea);\n    textarea.value = selectionManager.selectionText;\n    textarea.select();\n}\nexports.rightClickHandler = rightClickHandler;\n\n//# sourceMappingURL=Clipboard.js.map\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/handlers/Clipboard.js\n// module id = 30\n// module chunks = 0","\"use strict\";\nvar __extends = (this && this.__extends) || (function () {\n    var extendStatics = Object.setPrototypeOf ||\n        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\n    return function (d, b) {\n        extendStatics(d, b);\n        function __() { this.constructor = d; }\n        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n    };\n})();\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar EventEmitter_js_1 = require(\"../EventEmitter.js\");\nvar CharMeasure = (function (_super) {\n    __extends(CharMeasure, _super);\n    function CharMeasure(document, parentElement) {\n        var _this = _super.call(this) || this;\n        _this._document = document;\n        _this._parentElement = parentElement;\n        return _this;\n    }\n    Object.defineProperty(CharMeasure.prototype, \"width\", {\n        get: function () {\n            return this._width;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(CharMeasure.prototype, \"height\", {\n        get: function () {\n            return this._height;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    CharMeasure.prototype.measure = function () {\n        var _this = this;\n        if (!this._measureElement) {\n            this._measureElement = this._document.createElement('span');\n            this._measureElement.style.position = 'absolute';\n            this._measureElement.style.top = '0';\n            this._measureElement.style.left = '-9999em';\n            this._measureElement.textContent = 'W';\n            this._measureElement.setAttribute('aria-hidden', 'true');\n            this._parentElement.appendChild(this._measureElement);\n            setTimeout(function () { return _this._doMeasure(); }, 0);\n        }\n        else {\n            this._doMeasure();\n        }\n    };\n    CharMeasure.prototype._doMeasure = function () {\n        var geometry = this._measureElement.getBoundingClientRect();\n        if (geometry.width === 0 || geometry.height === 0) {\n            return;\n        }\n        if (this._width !== geometry.width || this._height !== geometry.height) {\n            this._width = geometry.width;\n            this._height = geometry.height;\n            this.emit('charsizechanged');\n        }\n    };\n    return CharMeasure;\n}(EventEmitter_js_1.EventEmitter));\nexports.CharMeasure = CharMeasure;\n\n//# sourceMappingURL=CharMeasure.js.map\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/utils/CharMeasure.js\n// module id = 31\n// module chunks = 0","\"use strict\";\nvar __extends = (this && this.__extends) || (function () {\n    var extendStatics = Object.setPrototypeOf ||\n        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\n    return function (d, b) {\n        extendStatics(d, b);\n        function __() { this.constructor = d; }\n        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n    };\n})();\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar EventEmitter_1 = require(\"../EventEmitter\");\nvar CircularList = (function (_super) {\n    __extends(CircularList, _super);\n    function CircularList(maxLength) {\n        var _this = _super.call(this) || this;\n        _this._array = new Array(maxLength);\n        _this._startIndex = 0;\n        _this._length = 0;\n        return _this;\n    }\n    Object.defineProperty(CircularList.prototype, \"maxLength\", {\n        get: function () {\n            return this._array.length;\n        },\n        set: function (newMaxLength) {\n            var newArray = new Array(newMaxLength);\n            for (var i = 0; i < Math.min(newMaxLength, this.length); i++) {\n                newArray[i] = this._array[this._getCyclicIndex(i)];\n            }\n            this._array = newArray;\n            this._startIndex = 0;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(CircularList.prototype, \"length\", {\n        get: function () {\n            return this._length;\n        },\n        set: function (newLength) {\n            if (newLength > this._length) {\n                for (var i = this._length; i < newLength; i++) {\n                    this._array[i] = undefined;\n                }\n            }\n            this._length = newLength;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(CircularList.prototype, \"forEach\", {\n        get: function () {\n            var _this = this;\n            return function (callbackfn) {\n                var i = 0;\n                var length = _this.length;\n                for (var i_1 = 0; i_1 < length; i_1++) {\n                    callbackfn(_this.get(i_1), i_1);\n                }\n            };\n        },\n        enumerable: true,\n        configurable: true\n    });\n    CircularList.prototype.get = function (index) {\n        return this._array[this._getCyclicIndex(index)];\n    };\n    CircularList.prototype.set = function (index, value) {\n        this._array[this._getCyclicIndex(index)] = value;\n    };\n    CircularList.prototype.push = function (value) {\n        this._array[this._getCyclicIndex(this._length)] = value;\n        if (this._length === this.maxLength) {\n            this._startIndex++;\n            if (this._startIndex === this.maxLength) {\n                this._startIndex = 0;\n            }\n            this.emit('trim', 1);\n        }\n        else {\n            this._length++;\n        }\n    };\n    CircularList.prototype.pop = function () {\n        return this._array[this._getCyclicIndex(this._length-- - 1)];\n    };\n    CircularList.prototype.splice = function (start, deleteCount) {\n        var items = [];\n        for (var _i = 2; _i < arguments.length; _i++) {\n            items[_i - 2] = arguments[_i];\n        }\n        if (deleteCount) {\n            for (var i = start; i < this._length - deleteCount; i++) {\n                this._array[this._getCyclicIndex(i)] = this._array[this._getCyclicIndex(i + deleteCount)];\n            }\n            this._length -= deleteCount;\n        }\n        if (items && items.length) {\n            for (var i = this._length - 1; i >= start; i--) {\n                this._array[this._getCyclicIndex(i + items.length)] = this._array[this._getCyclicIndex(i)];\n            }\n            for (var i = 0; i < items.length; i++) {\n                this._array[this._getCyclicIndex(start + i)] = items[i];\n            }\n            if (this._length + items.length > this.maxLength) {\n                var countToTrim = (this._length + items.length) - this.maxLength;\n                this._startIndex += countToTrim;\n                this._length = this.maxLength;\n                this.emit('trim', countToTrim);\n            }\n            else {\n                this._length += items.length;\n            }\n        }\n    };\n    CircularList.prototype.trimStart = function (count) {\n        if (count > this._length) {\n            count = this._length;\n        }\n        this._startIndex += count;\n        this._length -= count;\n        this.emit('trim', count);\n    };\n    CircularList.prototype.shiftElements = function (start, count, offset) {\n        if (count <= 0) {\n            return;\n        }\n        if (start < 0 || start >= this._length) {\n            throw new Error('start argument out of range');\n        }\n        if (start + offset < 0) {\n            throw new Error('Cannot shift elements in list beyond index 0');\n        }\n        if (offset > 0) {\n            for (var i = count - 1; i >= 0; i--) {\n                this.set(start + i + offset, this.get(start + i));\n            }\n            var expandListBy = (start + count + offset) - this._length;\n            if (expandListBy > 0) {\n                this._length += expandListBy;\n                while (this._length > this.maxLength) {\n                    this._length--;\n                    this._startIndex++;\n                    this.emit('trim', 1);\n                }\n            }\n        }\n        else {\n            for (var i = 0; i < count; i++) {\n                this.set(start + i + offset, this.get(start + i));\n            }\n        }\n    };\n    CircularList.prototype._getCyclicIndex = function (index) {\n        return (this._startIndex + index) % this.maxLength;\n    };\n    return CircularList;\n}(EventEmitter_1.EventEmitter));\nexports.CircularList = CircularList;\n\n//# sourceMappingURL=CircularList.js.map\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/utils/CircularList.js\n// module id = 32\n// module chunks = 0","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar DomElementObjectPool = (function () {\n    function DomElementObjectPool(type) {\n        this.type = type;\n        this._type = type;\n        this._pool = [];\n        this._inUse = {};\n    }\n    DomElementObjectPool.prototype.acquire = function () {\n        var element;\n        if (this._pool.length === 0) {\n            element = this._createNew();\n        }\n        else {\n            element = this._pool.pop();\n        }\n        this._inUse[element.getAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE)] = element;\n        return element;\n    };\n    DomElementObjectPool.prototype.release = function (element) {\n        if (!this._inUse[element.getAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE)]) {\n            throw new Error('Could not release an element not yet acquired');\n        }\n        delete this._inUse[element.getAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE)];\n        this._cleanElement(element);\n        this._pool.push(element);\n    };\n    DomElementObjectPool.prototype._createNew = function () {\n        var element = document.createElement(this._type);\n        var id = DomElementObjectPool._objectCount++;\n        element.setAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE, id.toString(10));\n        return element;\n    };\n    DomElementObjectPool.prototype._cleanElement = function (element) {\n        element.className = '';\n        element.innerHTML = '';\n    };\n    return DomElementObjectPool;\n}());\nDomElementObjectPool.OBJECT_ID_ATTRIBUTE = 'data-obj-id';\nDomElementObjectPool._objectCount = 0;\nexports.DomElementObjectPool = DomElementObjectPool;\n\n//# sourceMappingURL=DomElementObjectPool.js.map\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/utils/DomElementObjectPool.js\n// module id = 33\n// module chunks = 0","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nfunction contains(arr, el) {\n    return arr.indexOf(el) >= 0;\n}\nexports.contains = contains;\n;\n\n//# sourceMappingURL=Generic.js.map\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/xterm/lib/utils/Generic.js\n// module id = 34\n// module chunks = 0"],"sourceRoot":""}