public unsafe bool TryParse(string str, out Guid value)
{
var vector = AsciiInterface.UnicodeToAscii_32(ref AsciiInterface.StringTo <char, Vector256 <short> >(str)).AsInt16();
var r = TryParseGuid(in vector, out value);
return(r);
}
private unsafe bool TryParseDateTime(ReadOnlySpan <byte> input, out DateTime value)
{
#if NET5_0_OR_GREATER
Unsafe.SkipInit(out value);
#else
value = default;
#endif
bool success = true;
if (input.Length == 19 | input.Length == 20)
{
return(Utf8_19ToDate(in AsciiInterface.StringTo <byte, Vector256 <sbyte> >(input), out value));
}
if (input.Length == 10 | input.Length == 11)
{
var v128 = AsciiInterface.StringTo <byte, Vector128 <sbyte> >(input);
if (IsNumber(v128, input.Length))
{
//纯数字时表示时间戳
System.Buffers.Text.Utf8Parser.TryParse(input, out long lv, out _);
value = new DateTime(1970, 1, 1).AddTicks(TimeSpan.TicksPerSecond * lv);
return(true);
}
#if NET6_0_OR_GREATER
var r = DateOnlyF.Utf8_10ToDate(v128, out var v0);
value = v0.ToDateTime(default);
public unsafe string GuidToString(ref Guid value)
{
var str = AsciiInterface.FastAllocateString(32);
var vector = GuidToUtf8_32(in Unsafe.As <Guid, Vector128 <byte> >(ref value)).AsByte();
AsciiInterface.AsciiToUnicode(vector, ref AsciiInterface.StringTo <char, Vector256 <short> >(str));
return(str);
}
public override unsafe Guid Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
{
var str = reader.ValueSpan;
if (str.Length == 32)
{
if (TryParseGuid(in AsciiInterface.StringTo <byte, Vector256 <short> >(str), out var v))
{
return(v);
}
}
else
{
return(reader.GetGuid());
}
throw new InvalidCastException();
}
public override unsafe long Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
{
if (reader.TokenType == JsonTokenType.Number)
{
return(reader.GetInt64());
}
var str = reader.ValueSpan;
if (str.Length != 16)
{
throw new InvalidCastException();
}
if (TryParseLong(in AsciiInterface.StringTo <byte, Vector128 <short> >(str), out var v))
{
return(v);
}
throw new InvalidCastException();
}
public unsafe bool TryParse(ReadOnlySpan <char> s, out DateTime result)
{
var vector = AsciiInterface.UnicodeToAscii_32(ref AsciiInterface.StringTo <char, Vector256 <short> >(s));
return(TryParseDateTime(new ReadOnlySpan <byte>(&vector, s.Length), out result));
}
