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Add Newstonsoft.Json converter support
This is the first template that truly showcases the dynamic nature of our approach: you only need to add a reference to the Newtonsoft.Json package, and you get the added support, without any additional configuration whatesoever.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| using System.Text; | ||
| using Microsoft.CodeAnalysis; | ||
| using Microsoft.CodeAnalysis.Text; | ||
|
|
||
| namespace StructId; | ||
|
|
||
| [Generator(LanguageNames.CSharp)] | ||
| public class NewtonsoftJsonGenerator() : TemplateGenerator( | ||
| "Newtonsoft.Json.JsonConverter", | ||
| ThisAssembly.Resources.Templates.NewtonsoftJsonConverter.Text, | ||
| ThisAssembly.Resources.Templates.NewtonsoftJsonConverterT.Text, | ||
| ReferenceCheck.TypeExists) | ||
| { | ||
| public override void Initialize(IncrementalGeneratorInitializationContext context) | ||
| { | ||
| base.Initialize(context); | ||
|
|
||
| context.RegisterSourceOutput( | ||
| context.CompilationProvider | ||
| .Select((x, _) => x.GetTypeByMetadataName("Newtonsoft.Json.JsonConverter")), | ||
| (context, source) => | ||
| { | ||
| if (source == null) | ||
| return; | ||
|
|
||
| context.AddSource("NewtonsoftJsonConverter.cs", SourceText.From( | ||
| ThisAssembly.Resources.Templates.NewtonsoftJsonConverter_1.Text, Encoding.UTF8)); | ||
| }); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Text; | ||
| using System.Threading.Tasks; | ||
| using Microsoft.CodeAnalysis; | ||
| using Microsoft.CodeAnalysis.CSharp.Testing; | ||
| using Microsoft.CodeAnalysis.Testing; | ||
| using Newtonsoft.Json; | ||
| using Newtonsoft.Json.Linq; | ||
| using Xunit.Sdk; | ||
|
|
||
| namespace StructId; | ||
|
|
||
| public class NewtonsoftJsonGeneratorTests | ||
| { | ||
| [Fact] | ||
| public async Task DoesNotGenerateIfNewtonsoftJsonNotPresent() | ||
| { | ||
| var test = new CSharpSourceGeneratorTest<NewtonsoftJsonGenerator, DefaultVerifier> | ||
| { | ||
| ReferenceAssemblies = ReferenceAssemblies.Net.Net80, | ||
| TestState = | ||
| { | ||
| Sources = | ||
| { | ||
| """ | ||
| using StructId; | ||
|
|
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| public readonly partial record struct UserId(int Value) : IStructId<int>; | ||
| """, | ||
| }, | ||
| }, | ||
| }.WithAnalyzerStructId(); | ||
|
|
||
| await test.RunAsync(); | ||
| } | ||
|
|
||
| [Fact] | ||
| public async Task GenerateIfNewtonsoftJsonPresent() | ||
| { | ||
| var test = new StructIdSourceGeneratorTest<NewtonsoftJsonGenerator>("int") | ||
| { | ||
| SolutionTransforms = | ||
| { | ||
| (solution, projectId) => solution | ||
| .GetProject(projectId)? | ||
| .AddMetadataReference(MetadataReference.CreateFromFile(typeof(JsonConvert).Assembly.Location)) | ||
| .Solution ?? solution | ||
| }, | ||
| ReferenceAssemblies = ReferenceAssemblies.Net.Net80, | ||
| TestState = | ||
| { | ||
| Sources = | ||
| { | ||
| """ | ||
| using StructId; | ||
|
|
||
| public readonly partial record struct UserId(int Value) : IStructId<int>; | ||
| """, | ||
| }, | ||
| GeneratedSources = | ||
| { | ||
| (typeof(NewtonsoftJsonGenerator), "UserId.cs", | ||
| ThisAssembly.Resources.StructId.Templates.NewtonsoftJsonConverterT.Text.Replace("TStruct", "UserId").Replace("TValue", "int"), | ||
| Encoding.UTF8), | ||
| (typeof(NewtonsoftJsonGenerator), "NewtonsoftJsonConverter.cs", | ||
| ThisAssembly.Resources.StructId.Templates.NewtonsoftJsonConverter_1.Text, | ||
| Encoding.UTF8) | ||
| }, | ||
| }, | ||
| }.WithAnalyzerStructId(); | ||
|
|
||
| await test.RunAsync(); | ||
| } | ||
|
|
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| class StructIdSourceGeneratorTest<TGenerator> : CSharpSourceGeneratorTest<TGenerator, DefaultVerifier> | ||
| where TGenerator : new() | ||
| { | ||
| public StructIdSourceGeneratorTest(string? tvalue = null) | ||
| { | ||
| ReferenceAssemblies = ReferenceAssemblies.Net.Net80; | ||
|
|
||
| if (tvalue != null) | ||
| { | ||
| TestState.GeneratedSources.Add( | ||
| (typeof(NewableGenerator), "UserId.cs", | ||
| ThisAssembly.Resources.StructId.Templates.NewableT.Text.Replace("TStruct", "UserId").Replace("TValue", tvalue), | ||
| Encoding.UTF8)); | ||
| TestState.GeneratedSources.Add( | ||
| (typeof(ParsableGenerator), "UserId.cs", | ||
| ThisAssembly.Resources.StructId.Templates.ParsableT.Text.Replace("TStruct", "UserId").Replace("TValue", "int"), | ||
| Encoding.UTF8)); | ||
| } | ||
| else | ||
| { | ||
| TestState.GeneratedSources.Add( | ||
| (typeof(NewableGenerator), "UserId.cs", | ||
| ThisAssembly.Resources.StructId.Templates.Newable.Text.Replace("SStruct", "UserId"), | ||
| Encoding.UTF8)); | ||
| TestState.GeneratedSources.Add( | ||
| (typeof(ParsableGenerator), "UserId.cs", | ||
| ThisAssembly.Resources.StructId.Templates.Parsable.Text.Replace("SStruct", "UserId"), | ||
| Encoding.UTF8)); | ||
| } | ||
| } | ||
|
|
||
| protected override IEnumerable<Type> GetSourceGenerators() | ||
| { | ||
| yield return typeof(NewableGenerator); | ||
| yield return typeof(ParsableGenerator); | ||
| yield return typeof(TGenerator); | ||
| } | ||
| } | ||
| } |
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