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InReplyToParser.go
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/
InReplyToParser.go
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package parser
import (
"sip/core"
"sip/header"
)
/** SIPParser for InReplyTo header.
*/
type InReplyToParser struct {
HeaderParser
}
/** Creates a new instance of InReplyToParser
* @param inReplyTo the header to parse
*/
func NewInReplyToParser(inReplyTo string) *InReplyToParser {
this := &InReplyToParser{}
this.HeaderParser.super(inReplyTo)
return this
}
/** Constructor
* @param lexer the lexer to use to parse the header
*/
func NewInReplyToParserFromLexer(lexer core.Lexer) *InReplyToParser {
this := &InReplyToParser{}
this.HeaderParser.superFromLexer(lexer)
return this
}
/** parse the String message
* @return Header (InReplyToList object)
* @throws SIPParseException if the message does not respect the spec.
*/
func (this *InReplyToParser) Parse() (sh header.Header, ParseException error) {
inReplyToList := header.NewInReplyToList()
var ch byte
lexer := this.GetLexer()
this.HeaderName(TokenTypes_IN_REPLY_TO)
for ch, _ = lexer.LookAheadK(0); ch != '\n'; ch, _ = lexer.LookAheadK(0) {
inReplyTo := header.NewInReplyTo()
inReplyTo.SetHeaderName(core.SIPHeaderNames_IN_REPLY_TO)
lexer.Match(TokenTypes_ID)
token := lexer.GetNextToken()
if ch, _ = lexer.LookAheadK(0); ch == '@' {
lexer.Match('@')
lexer.Match(TokenTypes_ID)
secToken := lexer.GetNextToken()
inReplyTo.SetCallId(token.GetTokenValue() + "@" +
secToken.GetTokenValue())
} else {
inReplyTo.SetCallId(token.GetTokenValue())
}
lexer.SPorHT()
inReplyToList.PushBack(inReplyTo)
for ch, _ = lexer.LookAheadK(0); ch == ','; ch, _ = lexer.LookAheadK(0) {
lexer.Match(',')
lexer.SPorHT()
inReplyTo = header.NewInReplyTo()
lexer.Match(TokenTypes_ID)
token = lexer.GetNextToken()
if ch, _ = lexer.LookAheadK(0); ch == '@' {
lexer.Match('@')
lexer.Match(TokenTypes_ID)
secToken := lexer.GetNextToken()
inReplyTo.SetCallId(token.GetTokenValue() + "@" +
secToken.GetTokenValue())
} else {
inReplyTo.SetCallId(token.GetTokenValue())
}
inReplyToList.PushBack(inReplyTo)
}
}
return inReplyToList, nil
}