Пример #1
0
        //
        // Check if highSurr and lowSurr are a surrogate pair then
        // it checks if the combined char is in the range
        // Takes in isQuery because because iri restrictions for query are different
        //
        internal static bool CheckIriUnicodeRange(char highSurr, char lowSurr, ref bool surrogatePair, bool isQuery)
        {
            bool inRange = false;

            surrogatePair = false;

            Debug.Assert(Char.IsHighSurrogate(highSurr));

            if (Char.IsSurrogatePair(highSurr, lowSurr))
            {
                surrogatePair = true;
                char[] chars = new char[2] {
                    highSurr, lowSurr
                };
                string surrPair = new string(chars);
                if (((string.CompareOrdinal(surrPair, "\U00010000") >= 0) &&
                     (string.CompareOrdinal(surrPair, "\U0001FFFD") <= 0)) ||
                    ((string.CompareOrdinal(surrPair, "\U00020000") >= 0) &&
                     (string.CompareOrdinal(surrPair, "\U0002FFFD") <= 0)) ||
                    ((string.CompareOrdinal(surrPair, "\U00030000") >= 0) &&
                     (string.CompareOrdinal(surrPair, "\U0003FFFD") <= 0)) ||
                    ((string.CompareOrdinal(surrPair, "\U00040000") >= 0) &&
                     (string.CompareOrdinal(surrPair, "\U0004FFFD") <= 0)) ||
                    ((string.CompareOrdinal(surrPair, "\U00050000") >= 0) &&
                     (string.CompareOrdinal(surrPair, "\U0005FFFD") <= 0)) ||
                    ((string.CompareOrdinal(surrPair, "\U00060000") >= 0) &&
                     (string.CompareOrdinal(surrPair, "\U0006FFFD") <= 0)) ||
                    ((string.CompareOrdinal(surrPair, "\U00070000") >= 0) &&
                     (string.CompareOrdinal(surrPair, "\U0007FFFD") <= 0)) ||
                    ((string.CompareOrdinal(surrPair, "\U00080000") >= 0) &&
                     (string.CompareOrdinal(surrPair, "\U0008FFFD") <= 0)) ||
                    ((string.CompareOrdinal(surrPair, "\U00090000") >= 0) &&
                     (string.CompareOrdinal(surrPair, "\U0009FFFD") <= 0)) ||
                    ((string.CompareOrdinal(surrPair, "\U000A0000") >= 0) &&
                     (string.CompareOrdinal(surrPair, "\U000AFFFD") <= 0)) ||
                    ((string.CompareOrdinal(surrPair, "\U000B0000") >= 0) &&
                     (string.CompareOrdinal(surrPair, "\U000BFFFD") <= 0)) ||
                    ((string.CompareOrdinal(surrPair, "\U000C0000") >= 0) &&
                     (string.CompareOrdinal(surrPair, "\U000CFFFD") <= 0)) ||
                    ((string.CompareOrdinal(surrPair, "\U000D0000") >= 0) &&
                     (string.CompareOrdinal(surrPair, "\U000DFFFD") <= 0)) ||
                    ((string.CompareOrdinal(surrPair, "\U000E1000") >= 0) &&
                     (string.CompareOrdinal(surrPair, "\U000EFFFD") <= 0)) ||
                    (isQuery &&
                     (((string.CompareOrdinal(surrPair, "\U000F0000") >= 0) &&
                       (string.CompareOrdinal(surrPair, "\U000FFFFD") <= 0)) ||
                      ((string.CompareOrdinal(surrPair, "\U00100000") >= 0) &&
                       (string.CompareOrdinal(surrPair, "\U0010FFFD") <= 0)))))
                {
                    inRange = true;
                }
            }

            return(inRange);
        }
 public static Boolean IsSurrogatePair(this Char highSurrogate, Char lowSurrogate)
 {
     return(Char.IsSurrogatePair(highSurrogate, lowSurrogate));
 }