//
// 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));
}