initial commit

2026-08-27 10:56:38 -06:00
commit 2e2fbbdb3c
4538 changed files with 820183 additions and 0 deletions
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+using System;
+using System.Runtime.InteropServices;
+using System.Runtime.Serialization;
+
+namespace ProtoBuf;
+
+[Serializable]
+[StructLayout(LayoutKind.Explicit)]
+public readonly struct DiscriminatedUnion128 : ISerializable
+{
+	[FieldOffset(0)]
+	private readonly int _discriminator;
+
+	[FieldOffset(8)]
+	public readonly long Int64;
+
+	[FieldOffset(8)]
+	public readonly ulong UInt64;
+
+	[FieldOffset(8)]
+	public readonly int Int32;
+
+	[FieldOffset(8)]
+	public readonly uint UInt32;
+
+	[FieldOffset(8)]
+	public readonly bool Boolean;
+
+	[FieldOffset(8)]
+	public readonly float Single;
+
+	[FieldOffset(8)]
+	public readonly double Double;
+
+	[FieldOffset(8)]
+	public readonly DateTime DateTime;
+
+	[FieldOffset(8)]
+	public readonly TimeSpan TimeSpan;
+
+	[FieldOffset(8)]
+	public readonly Guid Guid;
+
+	[FieldOffset(8)]
+	private readonly long _lo;
+
+	[FieldOffset(16)]
+	private readonly long _hi;
+
+	public int Discriminator => _discriminator;
+
+	unsafe static DiscriminatedUnion128()
+	{
+		if (sizeof(DateTime) > 16)
+		{
+			throw new InvalidOperationException("DateTime was unexpectedly too big for DiscriminatedUnion128");
+		}
+		if (sizeof(TimeSpan) > 16)
+		{
+			throw new InvalidOperationException("TimeSpan was unexpectedly too big for DiscriminatedUnion128");
+		}
+		if (sizeof(Guid) > 16)
+		{
+			throw new InvalidOperationException("Guid was unexpectedly too big for DiscriminatedUnion128");
+		}
+	}
+
+	private DiscriminatedUnion128(int discriminator)
+	{
+		this = default(DiscriminatedUnion128);
+		_discriminator = discriminator;
+	}
+
+	public bool Is(int discriminator)
+	{
+		return _discriminator == discriminator;
+	}
+
+	public DiscriminatedUnion128(int discriminator, long value)
+		: this(discriminator)
+	{
+		Int64 = value;
+	}
+
+	public DiscriminatedUnion128(int discriminator, int value)
+		: this(discriminator)
+	{
+		Int32 = value;
+	}
+
+	public DiscriminatedUnion128(int discriminator, ulong value)
+		: this(discriminator)
+	{
+		UInt64 = value;
+	}
+
+	public DiscriminatedUnion128(int discriminator, uint value)
+		: this(discriminator)
+	{
+		UInt32 = value;
+	}
+
+	public DiscriminatedUnion128(int discriminator, float value)
+		: this(discriminator)
+	{
+		Single = value;
+	}
+
+	public DiscriminatedUnion128(int discriminator, double value)
+		: this(discriminator)
+	{
+		Double = value;
+	}
+
+	public DiscriminatedUnion128(int discriminator, bool value)
+		: this(discriminator)
+	{
+		Boolean = value;
+	}
+
+	public DiscriminatedUnion128(int discriminator, DateTime? value)
+		: this(value.HasValue ? discriminator : 0)
+	{
+		DateTime = value.GetValueOrDefault();
+	}
+
+	public DiscriminatedUnion128(int discriminator, TimeSpan? value)
+		: this(value.HasValue ? discriminator : 0)
+	{
+		TimeSpan = value.GetValueOrDefault();
+	}
+
+	public DiscriminatedUnion128(int discriminator, Guid? value)
+		: this(value.HasValue ? discriminator : 0)
+	{
+		Guid = value.GetValueOrDefault();
+	}
+
+	public static void Reset(ref DiscriminatedUnion128 value, int discriminator)
+	{
+		if (value.Discriminator == discriminator)
+		{
+			value = default(DiscriminatedUnion128);
+		}
+	}
+
+	void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context)
+	{
+		if (_discriminator != 0)
+		{
+			info.AddValue("d", _discriminator);
+		}
+		if (_lo != 0L)
+		{
+			info.AddValue("l", _lo);
+		}
+		if (_hi != 0L)
+		{
+			info.AddValue("h", _hi);
+		}
+	}
+
+	private DiscriminatedUnion128(SerializationInfo info, StreamingContext context)
+	{
+		this = default(DiscriminatedUnion128);
+		SerializationInfoEnumerator enumerator = info.GetEnumerator();
+		while (enumerator.MoveNext())
+		{
+			SerializationEntry current = enumerator.Current;
+			switch (current.Name)
+			{
+			case "d":
+				_discriminator = (int)current.Value;
+				break;
+			case "l":
+				_lo = (long)current.Value;
+				break;
+			case "h":
+				_hi = (long)current.Value;
+				break;
+			}
+		}
+	}
+}