/// <summary>
/// Asserts the given value is a token.
/// </summary>
/// <param name="value">value in question.</param>
private static void AssertToken(string value)
{
Debug.Assert(!string.IsNullOrEmpty(value), "!string.IsNullOrEmpty(value)");
int index = 0;
bool isQuotedString;
HttpUtils.ReadTokenOrQuotedStringValue("header", value, ref index, out isQuotedString, message => new ODataException(message));
Debug.Assert(!isQuotedString, "!isQuotedString");
Debug.Assert(index == value.Length, "index == value.Length");
}
/// <summary>
/// Asserts the given value is a token or a quoted-string.
/// </summary>
/// <param name="value">value in question.</param>
private static void AssertTokenOrQuotedString(string value)
{
if (value == null)
{
return;
}
int index = 0;
bool isQuotedString;
HttpUtils.ReadTokenOrQuotedStringValue("header", value, ref index, out isQuotedString, message => new ODataException(message));
Debug.Assert(index == value.Length, "index == value.Length");
}
/// <summary>
/// Reads a token or quoted-string value from the header.
/// </summary>
/// <returns>The token or quoted-string value that was read from the header.</returns>
private HttpHeaderValueLexer ReadNextTokenOrQuotedString()
{
int index = this.startIndexOfNextItem;
bool isQuotedString;
string nextValue = HttpUtils.ReadTokenOrQuotedStringValue(this.httpHeaderName, this.httpHeaderValue, ref index, out isQuotedString, message => new ODataException(message));
// Instead of testing whether result is null or empty, we check to see if the index have moved forward because we can encounter the empty quoted string "".
if (index == this.startIndexOfNextItem)
{
throw new ODataException(Strings.HttpHeaderValueLexer_FailedToReadTokenOrQuotedString(this.httpHeaderName, this.httpHeaderValue, this.startIndexOfNextItem));
}
if (isQuotedString)
{
string original = this.httpHeaderValue.Substring(this.startIndexOfNextItem, index - this.startIndexOfNextItem);
return(new HttpHeaderQuotedString(this.httpHeaderName, this.httpHeaderValue, nextValue, original, index));
}
return(new HttpHeaderToken(this.httpHeaderName, this.httpHeaderValue, nextValue, index));
}