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75 lines
2.3 KiB
75 lines
2.3 KiB
3 years ago
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#if !NO_RUNTIME
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using System;
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#if FEAT_IKVM
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using Type = IKVM.Reflection.Type;
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using IKVM.Reflection;
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#else
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#endif
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namespace ProtoBuf.Serializers
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{
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sealed class DateTimeSerializer : IProtoSerializer
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{
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#if FEAT_IKVM
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readonly Type expectedType;
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#else
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static readonly Type expectedType = typeof(DateTime);
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#endif
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public Type ExpectedType => expectedType;
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bool IProtoSerializer.RequiresOldValue => false;
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bool IProtoSerializer.ReturnsValue => true;
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private readonly bool includeKind, wellKnown;
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public DateTimeSerializer(DataFormat dataFormat, ProtoBuf.Meta.TypeModel model)
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{
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#if FEAT_IKVM
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expectedType = model.MapType(typeof(DateTime));
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#endif
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wellKnown = dataFormat == DataFormat.WellKnown;
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includeKind = model != null && model.SerializeDateTimeKind();
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}
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#if !FEAT_IKVM
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public object Read(object value, ProtoReader source)
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{
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if(wellKnown)
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{
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return BclHelpers.ReadTimestamp(source);
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}
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else
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{
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Helpers.DebugAssert(value == null); // since replaces
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return BclHelpers.ReadDateTime(source);
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}
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}
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public void Write(object value, ProtoWriter dest)
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{
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if(wellKnown)
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BclHelpers.WriteTimestamp((DateTime)value, dest);
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else if(includeKind)
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BclHelpers.WriteDateTimeWithKind((DateTime)value, dest);
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else
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BclHelpers.WriteDateTime((DateTime)value, dest);
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}
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#endif
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#if FEAT_COMPILER
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void IProtoSerializer.EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
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{
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ctx.EmitWrite(ctx.MapType(typeof(BclHelpers)),
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wellKnown ? nameof(BclHelpers.WriteTimestamp)
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: includeKind ? nameof(BclHelpers.WriteDateTimeWithKind) : nameof(BclHelpers.WriteDateTime), valueFrom);
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}
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void IProtoSerializer.EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
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{
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if (wellKnown) ctx.LoadValue(valueFrom);
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ctx.EmitBasicRead(ctx.MapType(typeof(BclHelpers)),
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wellKnown ? nameof(BclHelpers.ReadTimestamp) : nameof(BclHelpers.ReadDateTime),
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ExpectedType);
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}
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#endif
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}
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}
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#endif
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