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ContentLanguageParser.go
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ContentLanguageParser.go
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package parser
import (
"sip/core"
"sip/header"
)
/** SIPParser for ContentLanguage header.
*/
type ContentLanguageParser struct {
HeaderParser
}
/**
* Creates a new instance of ContentLanguageParser
* @param contentLanguage the header to parse
*/
func NewContentLanguageParser(contentLanguage string) *ContentLanguageParser {
this := &ContentLanguageParser{}
this.HeaderParser.super(contentLanguage)
return this
}
/** Constructor
* @param lexer the lexer to use to parse the header
*/
func NewContentLanguageParserFromLexer(lexer core.Lexer) *ContentLanguageParser {
this := &ContentLanguageParser{}
this.HeaderParser.superFromLexer(lexer)
return this
}
/** parse the ContentLanguageHeader String header
* @return Header (ContentLanguageList object)
* @throws SIPParseException if the message does not respect the spec.
*/
func (this *ContentLanguageParser) Parse() (sh header.Header, ParseException error) {
contentLanguageList := header.NewContentLanguageList()
var ch byte
lexer := this.GetLexer()
this.HeaderName(TokenTypes_CONTENT_LANGUAGE)
for ch, _ = lexer.LookAheadK(0); ch != '\n'; ch, _ = lexer.LookAheadK(0) {
cl := header.NewContentLanguage()
cl.SetHeaderName(core.SIPHeaderNames_CONTENT_LANGUAGE)
lexer.SPorHT()
lexer.Match(TokenTypes_ID)
token := lexer.GetNextToken()
cl.SetContentLanguage(token.GetTokenValue())
lexer.SPorHT()
contentLanguageList.PushBack(cl)
for ch, _ = lexer.LookAheadK(0); ch == ','; ch, _ = lexer.LookAheadK(0) {
cl = header.NewContentLanguage()
lexer.Match(',')
lexer.SPorHT()
lexer.Match(TokenTypes_ID)
lexer.SPorHT()
token = lexer.GetNextToken()
cl.SetContentLanguage(token.GetTokenValue())
lexer.SPorHT()
contentLanguageList.PushBack(cl)
}
}
return contentLanguageList, nil
}