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 ProtoBuf.Compiler;
+using ProtoBuf.Meta;
+
+namespace ProtoBuf.Serializers;
+
+internal sealed class DateTimeSerializer : IProtoSerializer
+{
+	private static readonly Type expectedType = typeof(DateTime);
+
+	private readonly bool includeKind;
+
+	private readonly bool wellKnown;
+
+	public Type ExpectedType => expectedType;
+
+	bool IProtoSerializer.RequiresOldValue => false;
+
+	bool IProtoSerializer.ReturnsValue => true;
+
+	public DateTimeSerializer(DataFormat dataFormat, TypeModel model)
+	{
+		wellKnown = dataFormat == DataFormat.WellKnown;
+		includeKind = model?.SerializeDateTimeKind() ?? false;
+	}
+
+	public object Read(object value, ProtoReader source)
+	{
+		if (wellKnown)
+		{
+			return BclHelpers.ReadTimestamp(source);
+		}
+		return BclHelpers.ReadDateTime(source);
+	}
+
+	public void Write(object value, ProtoWriter dest)
+	{
+		if (wellKnown)
+		{
+			BclHelpers.WriteTimestamp((DateTime)value, dest);
+		}
+		else if (includeKind)
+		{
+			BclHelpers.WriteDateTimeWithKind((DateTime)value, dest);
+		}
+		else
+		{
+			BclHelpers.WriteDateTime((DateTime)value, dest);
+		}
+	}
+
+	void IProtoSerializer.EmitWrite(CompilerContext ctx, Local valueFrom)
+	{
+		ctx.EmitWrite(ctx.MapType(typeof(BclHelpers)), wellKnown ? "WriteTimestamp" : (includeKind ? "WriteDateTimeWithKind" : "WriteDateTime"), valueFrom);
+	}
+
+	void IProtoSerializer.EmitRead(CompilerContext ctx, Local entity)
+	{
+		if (wellKnown)
+		{
+			ctx.LoadValue(entity);
+		}
+		ctx.EmitBasicRead(ctx.MapType(typeof(BclHelpers)), wellKnown ? "ReadTimestamp" : "ReadDateTime", ExpectedType);
+	}
+}