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);
}
public Guid(string g)
{
if (g == null)
{
throw new ArgumentNullException(nameof(g));
}
Guid.GuidResult result = new Guid.GuidResult(Guid.GuidParseThrowStyle.All);
Guid.TryParseGuid((ReadOnlySpan <char>)g, ref result);
this = result._parsedGuid;
}
public static bool TryParse(ReadOnlySpan <char> input, out Guid result)
{
Guid.GuidResult result1 = new Guid.GuidResult(Guid.GuidParseThrowStyle.None);
if (Guid.TryParseGuid(input, ref result1))
{
result = result1._parsedGuid;
return(true);
}
result = new Guid();
return(false);
}
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;
public static bool TryParseExact(
ReadOnlySpan <char> input,
ReadOnlySpan <char> format,
out Guid result)
{
if (format.Length != 1)
{
result = new Guid();
return(false);
}
input = input.Trim();
Guid.GuidResult result1 = new Guid.GuidResult(Guid.GuidParseThrowStyle.None);
bool flag = false;
switch ((char)((uint)format[0] | 32U))
{
case 'b':
flag = Guid.TryParseExactB(input, ref result1);
break;
case 'd':
flag = Guid.TryParseExactD(input, ref result1);
break;
case 'n':
flag = Guid.TryParseExactN(input, ref result1);
break;
case 'p':
flag = Guid.TryParseExactP(input, ref result1);
break;
case 'x':
flag = Guid.TryParseExactX(input, ref result1);
break;
}
if (flag)
{
result = result1._parsedGuid;
return(true);
}
result = new Guid();
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));
}
}
public static Guid ParseExact(ReadOnlySpan <char> input, ReadOnlySpan <char> format)
{
if (format.Length != 1)
{
throw new FormatException(SR.Format_InvalidGuidFormatSpecification);
}
input = input.Trim();
Guid.GuidResult result = new Guid.GuidResult(Guid.GuidParseThrowStyle.AllButOverflow);
bool flag;
switch ((char)((uint)format[0] | 32U))
{
case 'b':
flag = Guid.TryParseExactB(input, ref result);
break;
case 'd':
flag = Guid.TryParseExactD(input, ref result);
break;
case 'n':
flag = Guid.TryParseExactN(input, ref result);
break;
case 'p':
flag = Guid.TryParseExactP(input, ref result);
break;
case 'x':
flag = Guid.TryParseExactX(input, ref result);
break;
default:
throw new FormatException(SR.Format_InvalidGuidFormatSpecification);
}
return(result._parsedGuid);
}
public static Guid Parse(ReadOnlySpan <char> input)
{
Guid.GuidResult result = new Guid.GuidResult(Guid.GuidParseThrowStyle.AllButOverflow);
Guid.TryParseGuid(input, ref result);
return(result._parsedGuid);
}
