TryGetRangeLength()

static bool System.Net.Http.Headers.ContentRangeHeaderValue.TryGetRangeLength ( string input, ref int current, out int fromLength, out int toStartIndex, out int toLength )

inlinestaticprivate

Definition at line 243 of file ContentRangeHeaderValue.cs.

    {
        fromLength = 0;
        toStartIndex = 0;
        toLength = 0;
        if (input[current] == '*')
        {
            current++;
        }
        else
        {
            fromLength = HttpRuleParser.GetNumberLength(input, current, allowDecimal: false);
            if (fromLength == 0 || fromLength > 19)
            {
                return false;
            }
            current += fromLength;
            current += HttpRuleParser.GetWhitespaceLength(input, current);
            if (current == input.Length || input[current] != '-')
            {
                return false;
            }
            current++;
            current += HttpRuleParser.GetWhitespaceLength(input, current);
            if (current == input.Length)
            {
                return false;
            }
            toStartIndex = current;
            toLength = HttpRuleParser.GetNumberLength(input, current, allowDecimal: false);
            if (toLength == 0 || toLength > 19)
            {
                return false;
            }
            current += toLength;
        }
        current += HttpRuleParser.GetWhitespaceLength(input, current);
        return true;
    }

References System.Net.Http.HttpRuleParser.GetNumberLength(), System.Net.Http.HttpRuleParser.GetWhitespaceLength(), and System.input.

Referenced by System.Net.Http.Headers.ContentRangeHeaderValue.GetContentRangeLength().