private static bool TryParseExactD(ReadOnlySpan <char> guidString, ref Guid.GuidResult result)
{
if (guidString.Length != 36)
{
result.SetFailure(false, "Format_GuidInvLen");
return(false);
}
if (guidString[8] != '-' || guidString[13] != '-' || (guidString[18] != '-' || guidString[23] != '-'))
{
result.SetFailure(false, "Format_GuidDashes");
return(false);
}
ref Guid local = ref result._parsedGuid;
private static bool TryParseExactB(ReadOnlySpan <char> guidString, ref Guid.GuidResult result)
{
if (guidString.Length == 38 && guidString[0] == '{' && guidString[37] == '}')
{
return(Guid.TryParseExactD(guidString.Slice(1, 36), ref result));
}
result.SetFailure(false, "Format_GuidInvLen");
return(false);
}
private static bool TryParseGuid(ReadOnlySpan <char> guidString, ref Guid.GuidResult result)
{
guidString = guidString.Trim();
if (guidString.Length == 0)
{
result.SetFailure(false, "Format_GuidUnrecognized");
return(false);
}
switch (guidString[0])
{
case '(':
return(Guid.TryParseExactP(guidString, ref result));
case '{':
return(!guidString.Contains <char>('-') ? Guid.TryParseExactX(guidString, ref result) : Guid.TryParseExactB(guidString, ref result));
default:
return(!guidString.Contains <char>('-') ? Guid.TryParseExactN(guidString, ref result) : Guid.TryParseExactD(guidString, ref result));
}
}