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Add sample for deserializing inline union (#147)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| using System.Runtime.Serialization; | ||
| using Serde; | ||
| using Serde.Json; | ||
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| var json = """ | ||
| { "bar": { "_t": "Bar1", "bar": 1 } } | ||
| """; | ||
| var bar = JsonSerializer.Deserialize<Foo>(json); | ||
| Console.WriteLine(bar); | ||
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| [GenerateDeserialize] | ||
| partial class Foo { | ||
| public required AbstractBar bar; | ||
| } | ||
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| [GenerateDeserialize] | ||
| partial class Bar1 : AbstractBar { | ||
| public int bar; | ||
| } | ||
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| [GenerateSerde] | ||
| partial class Bar2 : AbstractBar { | ||
| public double bar; | ||
| } | ||
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| abstract partial class AbstractBar : IDeserialize<AbstractBar> | ||
| { | ||
| static AbstractBar IDeserialize<AbstractBar>.Deserialize<D>(ref D deserializer) | ||
| { | ||
| var visitor = new SerdeVisitor(deserializer); | ||
| var fieldNames = new[] | ||
| { | ||
| "bar" | ||
| }; | ||
| return deserializer.DeserializeType<AbstractBar, SerdeVisitor>("AbstractBar", fieldNames, visitor); | ||
| } | ||
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| private sealed class SerdeVisitor : IDeserializeVisitor<AbstractBar> | ||
| { | ||
| private readonly IDeserializer _deserializer; | ||
| public SerdeVisitor(IDeserializer deserializer) | ||
| { | ||
| _deserializer = deserializer; | ||
| } | ||
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| public string ExpectedTypeName => "AbstractBar"; | ||
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| AbstractBar IDeserializeVisitor<AbstractBar>.VisitDictionary<D>(ref D d) | ||
| { | ||
| var result = d.TryGetNextKey<string, StringWrap>(out string? key); | ||
| if (!result || key != "_t") | ||
| { | ||
| throw new InvalidDeserializeValueException("Expected a _t field"); | ||
| } | ||
| var value = d.GetNextValue<string, StringWrap>(); | ||
| var inline = new InlineDeserializer(_deserializer, d); | ||
| switch (value) | ||
| { | ||
| case "Bar1": | ||
| var bar1 = InlineDeserialize<Bar1>(inline); | ||
| return bar1; | ||
| case "Bar2": | ||
| var bar2 = InlineDeserialize<Bar2>(inline); | ||
| return bar2; | ||
| default: | ||
| throw new InvalidDeserializeValueException($"Unexpected value {value}"); | ||
| } | ||
| } | ||
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| private static T InlineDeserialize<T>(IDeserializer deserializer) where T : IDeserialize<T> | ||
| { | ||
| return T.Deserialize(ref deserializer); | ||
| } | ||
| } | ||
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| private class InlineDeserializer : IDeserializer | ||
| { | ||
| private readonly IDeserializer _deserializer; | ||
| private IDeserializeDictionary _deserializeDictionary; | ||
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| public InlineDeserializer(IDeserializer deserializer, IDeserializeDictionary deserializeDictionary) | ||
| { | ||
| _deserializer = deserializer; | ||
| _deserializeDictionary = deserializeDictionary; | ||
| } | ||
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| public T DeserializeAny<T, V>(V v) where V : IDeserializeVisitor<T> => throw new NotImplementedException(); | ||
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| public T DeserializeBool<T, V>(V v) where V : IDeserializeVisitor<T> => throw new NotImplementedException(); | ||
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| public T DeserializeByte<T, V>(V v) where V : IDeserializeVisitor<T> => throw new NotImplementedException(); | ||
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| public T DeserializeChar<T, V>(V v) where V : IDeserializeVisitor<T> => throw new NotImplementedException(); | ||
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| public T DeserializeDecimal<T, V>(V v) where V : IDeserializeVisitor<T> => throw new NotImplementedException(); | ||
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| public T DeserializeDictionary<T, V>(V v) where V : IDeserializeVisitor<T> | ||
| => v.VisitDictionary(ref _deserializeDictionary); | ||
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| public T DeserializeDouble<T, V>(V v) where V : IDeserializeVisitor<T> => throw new NotImplementedException(); | ||
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| public T DeserializeEnumerable<T, V>(V v) where V : IDeserializeVisitor<T> => throw new NotImplementedException(); | ||
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| public T DeserializeFloat<T, V>(V v) where V : IDeserializeVisitor<T> => throw new NotImplementedException(); | ||
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| public T DeserializeI16<T, V>(V v) where V : IDeserializeVisitor<T> => throw new NotImplementedException(); | ||
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| public T DeserializeI32<T, V>(V v) where V : IDeserializeVisitor<T> => throw new NotImplementedException(); | ||
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| public T DeserializeI64<T, V>(V v) where V : IDeserializeVisitor<T> => throw new NotImplementedException(); | ||
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| public T DeserializeIdentifier<T, V>(V v) where V : IDeserializeVisitor<T> => throw new NotImplementedException(); | ||
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| public T DeserializeNullableRef<T, V>(V v) where V : IDeserializeVisitor<T> => throw new NotImplementedException(); | ||
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| public T DeserializeSByte<T, V>(V v) where V : IDeserializeVisitor<T> => throw new NotImplementedException(); | ||
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| public T DeserializeString<T, V>(V v) where V : IDeserializeVisitor<T> => throw new NotImplementedException(); | ||
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| public T DeserializeType<T, V>(string typeName, ReadOnlySpan<string> fieldNames, V v) where V : IDeserializeVisitor<T> | ||
| => DeserializeDictionary<T, V>(v); | ||
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| public T DeserializeU16<T, V>(V v) where V : IDeserializeVisitor<T> => throw new NotImplementedException(); | ||
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| public T DeserializeU32<T, V>(V v) where V : IDeserializeVisitor<T> => throw new NotImplementedException(); | ||
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| public T DeserializeU64<T, V>(V v) where V : IDeserializeVisitor<T> => throw new NotImplementedException(); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <OutputType>Exe</OutputType> | ||
| <TargetFramework>net7.0</TargetFramework> | ||
| <ImplicitUsings>enable</ImplicitUsings> | ||
| <Nullable>enable</Nullable> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <ProjectReference Include="../../src/serde/Serde.csproj" /> | ||
| <ProjectReference Include="../../src/generator/SerdeGenerator.csproj" OutputItemType="Analyzer" /> | ||
| </ItemGroup> | ||
| </Project> |
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