/// <summary>Determines whether a string is valid <see cref="T:NMasters.Silverlight.Net.Http.Headers.RangeHeaderValue" /> information.</summary>
/// <returns>Returns <see cref="T:System.Boolean" />.true if <paramref name="input" /> is valid <see cref="T:NMasters.Silverlight.Net.Http.Headers.AuthenticationHeaderValue" /> information; otherwise, false.</returns>
/// <param name="input">he string to validate.</param>
/// <param name="parsedValue">The <see cref="T:NMasters.Silverlight.Net.Http.Headers.RangeHeaderValue" /> version of the string.</param>
public static bool TryParse(string input, out RangeHeaderValue parsedValue)
{
object obj2;
int index = 0;
parsedValue = null;
if (GenericHeaderParser.RangeParser.TryParseValue(input, null, ref index, out obj2))
{
parsedValue = (RangeHeaderValue) obj2;
return true;
}
return false;
}
internal static int GetRangeLength(string input, int startIndex, out object parsedValue)
{
parsedValue = null;
if (string.IsNullOrEmpty(input) || (startIndex >= input.Length))
{
return 0;
}
int tokenLength = HttpRuleParser.GetTokenLength(input, startIndex);
if (tokenLength == 0)
{
return 0;
}
RangeHeaderValue value2 = new RangeHeaderValue {
unit = input.Substring(startIndex, tokenLength)
};
int num2 = startIndex + tokenLength;
num2 += HttpRuleParser.GetWhitespaceLength(input, num2);
if ((num2 == input.Length) || (input[num2] != '='))
{
return 0;
}
num2++;
num2 += HttpRuleParser.GetWhitespaceLength(input, num2);
int num3 = RangeItemHeaderValue.GetRangeItemListLength(input, num2, value2.Ranges);
if (num3 == 0)
{
return 0;
}
num2 += num3;
parsedValue = value2;
return (num2 - startIndex);
}