replace Namespace struct

This commit is contained in:
z7zmey 2018-02-27 15:38:58 +02:00
parent 25798f6445
commit eb9e88f1a1

View File

@ -13,103 +13,6 @@ import (
"github.com/z7zmey/php-parser/walker"
)
func concatNameParts(parts ...[]node.Node) string {
str := ""
for _, p := range parts {
for _, n := range p {
if str == "" {
str = n.(*name.NamePart).Value
} else {
str = str + "\\" + n.(*name.NamePart).Value
}
}
}
return str
}
// Namespace context
type Namespace struct {
Namespace string
Aliases map[string]map[string]string
}
// NewNamespace constructor
func NewNamespace(NSName string) *Namespace {
return &Namespace{
Namespace: NSName,
Aliases: map[string]map[string]string{
"": {},
"const": {},
"function": {},
},
}
}
// AddAlias adds a new alias
func (ns *Namespace) AddAlias(aliasType string, aliasName string, alias string) {
aliasType = strings.ToLower(aliasType)
if aliasType == "const" {
ns.Aliases[aliasType][alias] = aliasName
} else {
ns.Aliases[aliasType][strings.ToLower(alias)] = aliasName
}
}
// ResolveName returns a resolved fully qualified name
func (ns *Namespace) ResolveName(nameNode node.Node, aliasType string) string {
switch n := nameNode.(type) {
case *name.FullyQualified:
// Fully qualifid name is already resolved
return concatNameParts(n.Parts)
case *name.Relative:
return ns.Namespace + "\\" + concatNameParts(n.Parts)
case *name.Name:
aliasName, err := ns.ResolveAlias(nameNode, aliasType)
if err != nil {
// resolve as relative name if alias not found
return ns.Namespace + "\\" + concatNameParts(n.Parts)
}
if len(n.Parts) > 1 {
// if name qualified, replace first part by alias
return aliasName + "\\" + concatNameParts(n.Parts[1:])
}
return aliasName
}
panic("invalid nameNode variable type")
}
// ResolveAlias returns alias or error if not found
func (ns *Namespace) ResolveAlias(nameNode node.Node, aliasType string) (string, error) {
aliasType = strings.ToLower(aliasType)
nameParts := nameNode.(*name.Name).Parts
firstPartStr := nameParts[0].(*name.NamePart).Value
if len(nameParts) > 1 { // resolve aliases for qualified names, always against class alias table
firstPartStr = strings.ToLower(firstPartStr)
aliasType = ""
} else {
if aliasType != "const" { // constans are case-sensitive
firstPartStr = strings.ToLower(firstPartStr)
}
}
aliasName, ok := ns.Aliases[aliasType][firstPartStr]
if !ok {
return "", errors.New("Not found")
}
return aliasName, nil
}
// NsResolver visitor
type NsResolver struct {
Namespace *Namespace
@ -347,3 +250,100 @@ func (nsr *NsResolver) ResolveType(n node.Node) {
nsr.ResolveName(n, "")
}
}
// Namespace context
type Namespace struct {
Namespace string
Aliases map[string]map[string]string
}
// NewNamespace constructor
func NewNamespace(NSName string) *Namespace {
return &Namespace{
Namespace: NSName,
Aliases: map[string]map[string]string{
"": {},
"const": {},
"function": {},
},
}
}
// AddAlias adds a new alias
func (ns *Namespace) AddAlias(aliasType string, aliasName string, alias string) {
aliasType = strings.ToLower(aliasType)
if aliasType == "const" {
ns.Aliases[aliasType][alias] = aliasName
} else {
ns.Aliases[aliasType][strings.ToLower(alias)] = aliasName
}
}
// ResolveName returns a resolved fully qualified name
func (ns *Namespace) ResolveName(nameNode node.Node, aliasType string) string {
switch n := nameNode.(type) {
case *name.FullyQualified:
// Fully qualifid name is already resolved
return concatNameParts(n.Parts)
case *name.Relative:
return ns.Namespace + "\\" + concatNameParts(n.Parts)
case *name.Name:
aliasName, err := ns.ResolveAlias(nameNode, aliasType)
if err != nil {
// resolve as relative name if alias not found
return ns.Namespace + "\\" + concatNameParts(n.Parts)
}
if len(n.Parts) > 1 {
// if name qualified, replace first part by alias
return aliasName + "\\" + concatNameParts(n.Parts[1:])
}
return aliasName
}
panic("invalid nameNode variable type")
}
// ResolveAlias returns alias or error if not found
func (ns *Namespace) ResolveAlias(nameNode node.Node, aliasType string) (string, error) {
aliasType = strings.ToLower(aliasType)
nameParts := nameNode.(*name.Name).Parts
firstPartStr := nameParts[0].(*name.NamePart).Value
if len(nameParts) > 1 { // resolve aliases for qualified names, always against class alias table
firstPartStr = strings.ToLower(firstPartStr)
aliasType = ""
} else {
if aliasType != "const" { // constans are case-sensitive
firstPartStr = strings.ToLower(firstPartStr)
}
}
aliasName, ok := ns.Aliases[aliasType][firstPartStr]
if !ok {
return "", errors.New("Not found")
}
return aliasName, nil
}
func concatNameParts(parts ...[]node.Node) string {
str := ""
for _, p := range parts {
for _, n := range p {
if str == "" {
str = n.(*name.NamePart).Value
} else {
str = str + "\\" + n.(*name.NamePart).Value
}
}
}
return str
}