74 lines
2.2 KiB
C#
74 lines
2.2 KiB
C#
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// Copyright (c) All contributors. All rights reserved.
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// Licensed under the MIT license. See LICENSE file in the project root for full license information.
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using System.Buffers;
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#pragma warning disable SA1649 // File name should match first type name
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namespace MessagePack.Formatters
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{
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public sealed class NullableFormatter<T> : IMessagePackFormatter<T?>
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where T : struct
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{
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public void Serialize(ref MessagePackWriter writer, T? value, MessagePackSerializerOptions options)
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{
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if (value == null)
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{
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writer.WriteNil();
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}
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else
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{
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options.Resolver.GetFormatterWithVerify<T>().Serialize(ref writer, value.Value, options);
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}
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}
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public T? Deserialize(ref MessagePackReader reader, MessagePackSerializerOptions options)
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{
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if (reader.IsNil)
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{
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reader.ReadNil();
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return null;
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}
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else
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{
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return options.Resolver.GetFormatterWithVerify<T>().Deserialize(ref reader, options);
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}
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}
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}
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public sealed class StaticNullableFormatter<T> : IMessagePackFormatter<T?>
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where T : struct
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{
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private readonly IMessagePackFormatter<T> underlyingFormatter;
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public StaticNullableFormatter(IMessagePackFormatter<T> underlyingFormatter)
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{
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this.underlyingFormatter = underlyingFormatter;
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}
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public void Serialize(ref MessagePackWriter writer, T? value, MessagePackSerializerOptions options)
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{
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if (value == null)
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{
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writer.WriteNil();
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}
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else
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{
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this.underlyingFormatter.Serialize(ref writer, value.Value, options);
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}
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}
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public T? Deserialize(ref MessagePackReader reader, MessagePackSerializerOptions options)
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{
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if (reader.TryReadNil())
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{
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return null;
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}
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else
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{
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return this.underlyingFormatter.Deserialize(ref reader, options);
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}
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}
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}
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}
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