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25 changes: 25 additions & 0 deletions
25
src/DNX.Extensions.Generators/DNX.Extensions.Generators.csproj
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|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk"> | ||
|
|
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| <PropertyGroup> | ||
| <LangVersion>Latest</LangVersion> | ||
| <TargetFramework>netstandard2.0</TargetFramework> | ||
| <TreatWarningsAsErrors>true</TreatWarningsAsErrors> | ||
| <EnforceExtendedAnalyzerRules>true</EnforceExtendedAnalyzerRules> | ||
| <IsRoslynComponent>true</IsRoslynComponent> | ||
| <EmitCompilerGeneratedFiles>true</EmitCompilerGeneratedFiles> | ||
| <CompilerGeneratedFilesOutputPath>Generated</CompilerGeneratedFilesOutputPath> | ||
| </PropertyGroup> | ||
|
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| <ItemGroup> | ||
| <EmbeddedResource Include="Templates\ConversionGenerator.Template.txt" /> | ||
| </ItemGroup> | ||
|
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| <ItemGroup> | ||
| <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.4"> | ||
| <PrivateAssets>all</PrivateAssets> | ||
| <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets> | ||
| </PackageReference> | ||
| <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.11.0" /> | ||
| </ItemGroup> | ||
|
|
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| </Project> |
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28
src/DNX.Extensions.Generators/Extensions/ResourceExtensions.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| using System; | ||
| using System.Diagnostics.CodeAnalysis; | ||
| using System.IO; | ||
| using System.Linq; | ||
| using System.Reflection; | ||
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| namespace DNX.Extensions.Generators.Extensions; | ||
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| [ExcludeFromCodeCoverage] | ||
| internal static class ResourceExtensions | ||
| { | ||
| internal static string GetEmbeddedResourceText(this object obj, string resourceName) | ||
| { | ||
| var type = obj.GetType(); | ||
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| var assembly = type.Assembly; | ||
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| var manifestFileInfo = assembly.GetManifestResourceNames() | ||
| .SingleOrDefault(x => x.EndsWith(resourceName)); | ||
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| if (string.IsNullOrWhiteSpace(manifestFileInfo)) | ||
| throw new Exception($"Unable to locate resource : {resourceName}"); | ||
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| var stream = Assembly.GetExecutingAssembly().GetManifestResourceStream(manifestFileInfo); | ||
| using var reader = new StreamReader(stream); | ||
| return reader.ReadToEnd(); | ||
| } | ||
| } |
86 changes: 86 additions & 0 deletions
86
src/DNX.Extensions.Generators/Generators/ConversionGenerator.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Diagnostics.CodeAnalysis; | ||
| using DNX.Extensions.Generators.Extensions; | ||
| using Microsoft.CodeAnalysis; | ||
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| namespace DNX.Extensions.Generators.Generators; | ||
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| [ExcludeFromCodeCoverage] | ||
| [Generator] | ||
| public class ConversionGenerator : ISourceGenerator | ||
| { | ||
| private static readonly Dictionary<string, string> TypesForGeneration = new() | ||
| { | ||
| { "short", nameof(Int16) }, | ||
| { "int", nameof(Int32) }, | ||
| { "long", nameof(Int64) }, | ||
| { "bool", nameof(Boolean) }, | ||
| }; | ||
|
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| public void Initialize(GeneratorInitializationContext context) | ||
| { | ||
| } | ||
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| public void Execute(GeneratorExecutionContext context) | ||
| { | ||
| context.ReportDiagnostic( | ||
| Diagnostic.Create( | ||
| new DiagnosticDescriptor( | ||
| "DNX0001", | ||
| $"{nameof(ConversionGenerator)} Executing", | ||
| nameof(ConversionGenerator) + " Executing for {0} types", | ||
| "Build", | ||
| DiagnosticSeverity.Info, | ||
| true | ||
| ), | ||
| Location.None, | ||
| TypesForGeneration.Count.ToString() | ||
| ) | ||
| ); | ||
|
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| var targetNamespace = GetType().Name.Replace("Generator", ""); | ||
|
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| var nameSpace = GetType().Namespace.Replace(".Generators", "") | ||
| .Trim('.') | ||
| + $".{targetNamespace}"; | ||
|
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| var templateFileName = $"{GetType().Name}.Template.txt"; | ||
|
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| var templateText = this.GetEmbeddedResourceText(templateFileName); | ||
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| if (string.IsNullOrWhiteSpace(templateText)) | ||
| throw new Exception($"{nameof(templateText)} is empty"); | ||
|
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| foreach (var kvp in TypesForGeneration) | ||
| { | ||
| var typeName = kvp.Key; | ||
| var typeDescription = kvp.Value; | ||
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| context.ReportDiagnostic( | ||
| Diagnostic.Create( | ||
| new DiagnosticDescriptor( | ||
| "DNX0002", | ||
| $"{nameof(ConversionGenerator)} Generating: {typeName}", | ||
| nameof(ConversionGenerator) + " Generating: {0} as {1}, under {2}", | ||
| "", | ||
| DiagnosticSeverity.Info, | ||
| true | ||
| ), | ||
| Location.None, | ||
| typeName, | ||
| typeDescription, | ||
| nameSpace | ||
| ) | ||
| ); | ||
|
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| var sourceText = templateText | ||
| .Replace("#namespace#", nameSpace) | ||
| .Replace("#type#", typeName) | ||
| .Replace("#name#", typeDescription) | ||
| ; | ||
|
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| context.AddSource($"Convert{kvp.Value}.generated.cs", sourceText); | ||
| } | ||
| } | ||
| } |
91 changes: 91 additions & 0 deletions
91
src/DNX.Extensions.Generators/Templates/ConversionGenerator.Template.txt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| using System; | ||
| using DNX.Extensions.Exceptions; | ||
|
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| namespace #namespace#; | ||
|
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| /// <summary> | ||
| /// Class Convert#Name#Extensions. | ||
| /// </summary> | ||
| /// <remarks> | ||
| /// Extensions for converting #type# values | ||
| /// </remarks> | ||
| public static class Convert#name#Extensions | ||
| { | ||
| /// <summary> | ||
| /// Converts the string to a #type# | ||
| /// </summary> | ||
| /// <param name="text">The text.</param> | ||
| /// <returns>#type#</returns> | ||
| /// <exception cref=""DNX.Helpers.Exceptions.ConversionException"">Unable to convert value to Type</exception> | ||
| public static #type# To#name#(this string text) | ||
| { | ||
| #type# result; | ||
|
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| if (!#type#.TryParse(text, out result)) | ||
| { | ||
| throw new ConversionException(text, "Unable to convert value to Type", typeof(#type#)); | ||
| } | ||
|
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| return result; | ||
| } | ||
|
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| /// <summary> | ||
| /// Converts the string to a #type#, or returns the default value if the conversion fails | ||
| /// </summary> | ||
| /// <param name="text">The text.</param> | ||
| /// <param name="defaultValue">The default value.</param> | ||
| /// <returns>#type#</returns> | ||
| public static #type# To#name#(this string text, #type# defaultValue) | ||
| { | ||
| try | ||
| { | ||
| var result = text.To#name#(); | ||
|
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| return result; | ||
| } | ||
| catch (ConversionException) | ||
| { | ||
| return defaultValue; | ||
| } | ||
| } | ||
|
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| /// <summary> | ||
| /// Determines if the string can be converted to a #type# or not | ||
| /// </summary> | ||
| /// <param name="text">The text.</param> | ||
| /// <returns><c>true</c> if the specified text is a #type; otherwise, <c>false</c>.</returns> | ||
| public static bool Is#name#(this string text) | ||
| { | ||
| try | ||
| { | ||
| text.To#name#(); | ||
|
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| return true; | ||
| } | ||
| catch (ConversionException) | ||
| { | ||
| return false; | ||
| } | ||
| } | ||
|
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| /// <summary> | ||
| /// Determines if the string can be converted to a #type# or not | ||
| /// </summary> | ||
| /// <param name="text">The text.</param> | ||
| /// <returns><c>true</c> if the specified text is a #type; otherwise, <c>false</c>.</returns> | ||
| public static bool Is#name#(this string text, out #type# value) | ||
| { | ||
| value = default; | ||
|
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| try | ||
| { | ||
| value = text.To#name#(); | ||
|
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| return true; | ||
| } | ||
| catch (ConversionException) | ||
| { | ||
| return false; | ||
| } | ||
| } | ||
| } |
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