static bool TryParseElement(Lexer lexer, out TransferCodingHeaderValue parsedValue, out Token t)
{
parsedValue = null;
t = lexer.Scan();
if (t != Token.Type.Token)
{
return(false);
}
var result = new TransferCodingHeaderValue();
result.value = lexer.GetStringValue(t);
t = lexer.Scan();
// Parameters parsing
if (t == Token.Type.SeparatorSemicolon && (!NameValueHeaderValue.TryParseParameters(lexer, out result.parameters, out t) || t != Token.Type.End))
{
return(false);
}
parsedValue = result;
return(true);
}
protected TransferCodingHeaderValue(TransferCodingHeaderValue source)
{
this.value = source.value;
if (source.parameters != null)
{
foreach (var p in source.parameters)
{
Parameters.Add(new NameValueHeaderValue(p));
}
}
}
public static bool TryParse(string input, out TransferCodingHeaderValue parsedValue)
{
var lexer = new Lexer(input);
Token token;
if (TryParseElement(lexer, out parsedValue, out token) && token == Token.Type.End)
{
return(true);
}
parsedValue = null;
return(false);
}