protected override int GetParsedValueLength(string value, int startIndex, object storeValue,
out object parsedValue)
{
TransferCodingHeaderValue temp = null;
int resultLength = TransferCodingHeaderValue.GetTransferCodingLength(value, startIndex,
_transferCodingCreator, out temp);
parsedValue = temp;
return(resultLength);
}
public override bool Equals(object obj)
{
TransferCodingHeaderValue other = obj as TransferCodingHeaderValue;
if (other == null)
{
return(false);
}
return(string.Equals(_value, other._value, StringComparison.OrdinalIgnoreCase) &&
HeaderUtilities.AreEqualCollections(_parameters, other._parameters));
}
internal static int GetTransferCodingLength(string input, int startIndex,
Func <TransferCodingHeaderValue> transferCodingCreator, out TransferCodingHeaderValue parsedValue)
{
Contract.Requires(transferCodingCreator != null);
Contract.Requires(startIndex >= 0);
parsedValue = null;
if (string.IsNullOrEmpty(input) || (startIndex >= input.Length))
{
return(0);
}
// Caller must remove leading whitespace. If not, we'll return 0.
int valueLength = HttpRuleParser.GetTokenLength(input, startIndex);
if (valueLength == 0)
{
return(0);
}
string value = input.Substring(startIndex, valueLength);
int current = startIndex + valueLength;
current = current + HttpRuleParser.GetWhitespaceLength(input, current);
TransferCodingHeaderValue transferCodingHeader = null;
// If we're not done and we have a parameter delimiter, then we have a list of parameters.
if ((current < input.Length) && (input[current] == ';'))
{
transferCodingHeader = transferCodingCreator();
transferCodingHeader._value = value;
current++; // skip delimiter.
int parameterLength = NameValueHeaderValue.GetNameValueListLength(input, current, ';',
(ObjectCollection <NameValueHeaderValue>)transferCodingHeader.Parameters);
if (parameterLength == 0)
{
return(0);
}
parsedValue = transferCodingHeader;
return(current + parameterLength - startIndex);
}
// We have a transfer coding without parameters.
transferCodingHeader = transferCodingCreator();
transferCodingHeader._value = value;
parsedValue = transferCodingHeader;
return(current - startIndex);
}
public static bool TryParse(string input, out TransferCodingHeaderValue parsedValue)
{
int index = 0;
object output;
parsedValue = null;
if (TransferCodingHeaderParser.SingleValueParser.TryParseValue(input, null, ref index, out output))
{
parsedValue = (TransferCodingHeaderValue)output;
return(true);
}
return(false);
}
protected TransferCodingHeaderValue(TransferCodingHeaderValue source)
{
Contract.Requires(source != null);
_value = source._value;
if (source._parameters != null)
{
foreach (var parameter in source._parameters)
{
this.Parameters.Add((NameValueHeaderValue)((ICloneable)parameter).Clone());
}
}
}
