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76 lines
2.1 KiB
76 lines
2.1 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 TimeSpanSerializer : 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(TimeSpan);
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#endif
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private readonly bool wellKnown;
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public TimeSpanSerializer(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(TimeSpan));
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#endif
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wellKnown = dataFormat == DataFormat.WellKnown;
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}
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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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#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.ReadDuration(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.ReadTimeSpan(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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{
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BclHelpers.WriteDuration((TimeSpan)value, dest);
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}
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else
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{
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BclHelpers.WriteTimeSpan((TimeSpan)value, dest);
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}
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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.WriteDuration) : nameof(BclHelpers.WriteTimeSpan), 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.ReadDuration) : nameof(BclHelpers.ReadTimeSpan),
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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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