100 lines
2.5 KiB
Go
100 lines
2.5 KiB
Go
// Copyright 2013 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package cldr
|
|
|
|
import (
|
|
"encoding/xml"
|
|
"regexp"
|
|
"strconv"
|
|
)
|
|
|
|
// Elem is implemented by every XML element.
|
|
type Elem interface {
|
|
setEnclosing(Elem)
|
|
setName(string)
|
|
enclosing() Elem
|
|
|
|
GetCommon() *Common
|
|
}
|
|
|
|
type hidden struct {
|
|
CharData string `xml:",chardata"`
|
|
Alias *struct {
|
|
Common
|
|
Source string `xml:"source,attr"`
|
|
Path string `xml:"path,attr"`
|
|
} `xml:"alias"`
|
|
Def *struct {
|
|
Common
|
|
Choice string `xml:"choice,attr,omitempty"`
|
|
Type string `xml:"type,attr,omitempty"`
|
|
} `xml:"default"`
|
|
}
|
|
|
|
// Common holds several of the most common attributes and sub elements
|
|
// of an XML element.
|
|
type Common struct {
|
|
XMLName xml.Name
|
|
name string
|
|
enclElem Elem
|
|
Type string `xml:"type,attr,omitempty"`
|
|
Reference string `xml:"reference,attr,omitempty"`
|
|
Alt string `xml:"alt,attr,omitempty"`
|
|
ValidSubLocales string `xml:"validSubLocales,attr,omitempty"`
|
|
Draft string `xml:"draft,attr,omitempty"`
|
|
hidden
|
|
}
|
|
|
|
// Default returns the default type to select from the enclosed list
|
|
// or "" if no default value is specified.
|
|
func (e *Common) Default() string {
|
|
if e.Def == nil {
|
|
return ""
|
|
}
|
|
if e.Def.Choice != "" {
|
|
return e.Def.Choice
|
|
} else if e.Def.Type != "" {
|
|
// Type is still used by the default element in collation.
|
|
return e.Def.Type
|
|
}
|
|
return ""
|
|
}
|
|
|
|
// GetCommon returns e. It is provided such that Common implements Elem.
|
|
func (e *Common) GetCommon() *Common {
|
|
return e
|
|
}
|
|
|
|
// Data returns the character data accumulated for this element.
|
|
func (e *Common) Data() string {
|
|
e.CharData = charRe.ReplaceAllStringFunc(e.CharData, replaceUnicode)
|
|
return e.CharData
|
|
}
|
|
|
|
func (e *Common) setName(s string) {
|
|
e.name = s
|
|
}
|
|
|
|
func (e *Common) enclosing() Elem {
|
|
return e.enclElem
|
|
}
|
|
|
|
func (e *Common) setEnclosing(en Elem) {
|
|
e.enclElem = en
|
|
}
|
|
|
|
// Escape characters that can be escaped without further escaping the string.
|
|
var charRe = regexp.MustCompile(`&#x[0-9a-fA-F]*;|\\u[0-9a-fA-F]{4}|\\U[0-9a-fA-F]{8}|\\x[0-9a-fA-F]{2}|\\[0-7]{3}|\\[abtnvfr]`)
|
|
|
|
// replaceUnicode converts hexadecimal Unicode codepoint notations to a one-rune string.
|
|
// It assumes the input string is correctly formatted.
|
|
func replaceUnicode(s string) string {
|
|
if s[1] == '#' {
|
|
r, _ := strconv.ParseInt(s[3:len(s)-1], 16, 32)
|
|
return string(r)
|
|
}
|
|
r, _, _, _ := strconv.UnquoteChar(s, 0)
|
|
return string(r)
|
|
}
|