private static int GetValueLength(string input, int startIndex, out StringSegment value)
{
var current = startIndex;
current++; // skip '='.
current += HttpTokenParsingRules.GetWhitespaceLength(input, current);
var valueLength = HttpTokenParsingRules.GetTokenLength(input, current);
if (valueLength == 0)
{
// A value can either be a token or a quoted string. Check if it is a quoted string.
var result = HttpTokenParsingRules.GetQuotedStringLength(input, current, out valueLength);
if (result != HttpParseResult.Parsed)
{
// We have an invalid value. Reset the name and return.
value = default(StringSegment);
return(0);
}
// Quotation marks are not part of a quoted parameter value.
value = new StringSegment(input, current + 1, valueLength - 2);
}
else
{
value = new StringSegment(input, current, valueLength);
}
current += valueLength;
current += HttpTokenParsingRules.GetWhitespaceLength(input, current);
return(current - startIndex);
}
