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ReasonParser.go
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ReasonParser.go
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package parser
import (
"sip/core"
"sip/header"
)
/** SIPParser for Reason header.
*/
type ReasonParser struct {
ParametersParser
}
/** Creates a new instance of ReasonParser
* @param reason the header to parse
*/
func NewReasonParser(reason string) *ReasonParser {
this := &ReasonParser{}
this.ParametersParser.super(reason)
return this
}
/** Constructor
* @param lexer the lexer to use to parse the header
*/
func NewReasonParserFromLexer(lexer core.Lexer) *ReasonParser {
this := &ReasonParser{}
this.ParametersParser.superFromLexer(lexer)
return this
}
/** parse the String message
* @return SIPHeader (ReasonParserList object)
* @throws SIPParseException if the message does not respect the spec.
*/
func (this *ReasonParser) Parse() (sh header.Header, ParseException error) {
reasonList := header.NewReasonList()
var ch byte
lexer := this.GetLexer()
this.HeaderName(TokenTypes_REASON)
lexer.SPorHT()
for ch, _ = lexer.LookAheadK(0); ch != '\n'; ch, _ = lexer.LookAheadK(0) {
reason := header.NewReason()
lexer.Match(TokenTypes_ID)
token := lexer.GetNextToken()
value := token.GetTokenValue()
reason.SetProtocol(value)
if ParseException = this.ParametersParser.Parse(reason); ParseException != nil {
return nil, ParseException
}
reasonList.PushBack(reason)
if ch, _ = lexer.LookAheadK(0); ch == ',' {
lexer.Match(',')
lexer.SPorHT()
} else {
lexer.SPorHT()
}
}
return reasonList, nil
}