65 lines
1.4 KiB
Go
65 lines
1.4 KiB
Go
// Package visitor contains walker.visitor implementations
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package visitor
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import (
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"github.com/z7zmey/php-parser/node"
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"github.com/z7zmey/php-parser/node/name"
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"github.com/z7zmey/php-parser/node/stmt"
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"github.com/z7zmey/php-parser/walker"
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)
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type NsResolver struct {
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Namespace string
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ResolvedNames map[node.Node]string
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Aliases map[string]map[string]string
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}
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// NewNsResolver NsResolver type constructor
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func NewNsResolver() *NsResolver {
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return &NsResolver{
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Namespace: "",
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ResolvedNames: map[node.Node]string{},
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}
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}
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// EnterNode is invoked at every node in heirerchy
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func (nsr *NsResolver) EnterNode(w walker.Walkable) bool {
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switch n := w.(type) {
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case *stmt.Namespace:
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nsr.Namespace = concatNameParts(n.NamespaceName.(*name.Name).Parts)
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case *stmt.Use:
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}
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return true
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}
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// GetChildrenVisitor is invoked at every node parameter that contains children nodes
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func (nsr *NsResolver) GetChildrenVisitor(key string) walker.Visitor {
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return nsr
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}
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// LeaveNode is invoked after node process
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func (nsr *NsResolver) LeaveNode(w walker.Walkable) {
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switch n := w.(type) {
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case *stmt.Namespace:
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if n.Stmts != nil {
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nsr.Namespace = ""
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}
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}
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}
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func concatNameParts(parts []node.Node) string {
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str := ""
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for _, n := range parts {
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if str == "" {
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str = n.(*name.NamePart).Value
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} else {
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str = str + "\\" + n.(*name.NamePart).Value
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}
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}
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return str
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}
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