From 302ac27294a1ebba56b4bbff271a22d88557c744 Mon Sep 17 00:00:00 2001
From: OhFlowi <ohflowi@users.noreply.github.com>
Date: Fri, 15 Mar 2024 15:32:17 +0100
Subject: [PATCH] BREAKING CHANGE: Changed the namespace of the generated
 extension methods to the same as the enum. Moved the generated attribute
 namespace to the generator namespace.

---
 .../EnumSourceGenerator.cs                    |  6 ++-
 .../Extensions/NamespaceSymbolExtensions.cs   | 40 +++++++++++++++++++
 test/Console.Test.Benchmark/Program.cs        |  2 +-
 test/UnitTests/EnumGeneratorTest.cs           |  4 +-
 test/UnitTests/InternalEnumGeneratorTest.cs   |  4 +-
 5 files changed, 49 insertions(+), 7 deletions(-)
 create mode 100644 Supernova.Enum.Generators/Extensions/NamespaceSymbolExtensions.cs

diff --git a/Supernova.Enum.Generators/EnumSourceGenerator.cs b/Supernova.Enum.Generators/EnumSourceGenerator.cs
index a567f3e..644a698 100644
--- a/Supernova.Enum.Generators/EnumSourceGenerator.cs
+++ b/Supernova.Enum.Generators/EnumSourceGenerator.cs
@@ -5,6 +5,7 @@
 using Microsoft.CodeAnalysis;
 using Microsoft.CodeAnalysis.CSharp.Syntax;
 using Microsoft.CodeAnalysis.Text;
+using Supernova.Enum.Generators.Extensions;
 
 namespace Supernova.Enum.Generators;
 
@@ -24,7 +25,7 @@ public void Execute(GeneratorExecutionContext context)
         //        }
         //#endif
         context.AddSource($"{SourceGeneratorHelper.AttributeName}Attribute.g.cs", SourceText.From($@"using System;
-namespace {SourceGeneratorHelper.NameSpace}
+namespace Supernova.Enum.Generators
 {{
     [AttributeUsage(AttributeTargets.Enum)]
     public sealed class {SourceGeneratorHelper.AttributeName}Attribute : Attribute
@@ -104,7 +105,8 @@ public sealed class {SourceGeneratorHelper.AttributeName}Attribute : Attribute
             var sourceBuilder = new StringBuilder($@"using System;
 using System.Collections.Generic;
 using System.Collections.Immutable;
-namespace {SourceGeneratorHelper.NameSpace}
+
+namespace {symbol.ContainingNamespace.FullName()}
 {{
     {symbol.DeclaredAccessibility.ToString("G").ToLower()} static class {symbol.Name}EnumExtensions
     {{");
diff --git a/Supernova.Enum.Generators/Extensions/NamespaceSymbolExtensions.cs b/Supernova.Enum.Generators/Extensions/NamespaceSymbolExtensions.cs
new file mode 100644
index 0000000..49202bf
--- /dev/null
+++ b/Supernova.Enum.Generators/Extensions/NamespaceSymbolExtensions.cs
@@ -0,0 +1,40 @@
+using System;
+using Microsoft.CodeAnalysis;
+
+namespace Supernova.Enum.Generators.Extensions;
+
+/// <summary>
+/// Provides extension methods for <see cref="INamespaceSymbol"/> objects.
+/// </summary>
+public static class NamespaceSymbolExtensions
+{
+    /// <summary>
+    /// Gets the full name of the namespace, including parent namespaces.
+    /// </summary>
+    /// <param name="namespaceSymbol">The namespace symbol.</param>
+    /// <param name="fullName">Optional. The initial full name to start with.</param>
+    /// <returns>The full name of the namespace.</returns>
+    public static string FullName(this INamespaceSymbol namespaceSymbol, string fullName = null)
+    {
+        fullName ??= string.Empty;
+
+        if (namespaceSymbol == null)
+        {
+            return fullName;
+        }
+        
+        if (namespaceSymbol.ContainingNamespace != null)
+        {
+            fullName = namespaceSymbol.ContainingNamespace.FullName(fullName);
+        }
+
+        if (!fullName.Equals(string.Empty, StringComparison.OrdinalIgnoreCase))
+        {
+            fullName += ".";
+        }
+
+        fullName += namespaceSymbol.Name;
+
+        return fullName;
+    }
+}
diff --git a/test/Console.Test.Benchmark/Program.cs b/test/Console.Test.Benchmark/Program.cs
index 4985a18..2b8585e 100644
--- a/test/Console.Test.Benchmark/Program.cs
+++ b/test/Console.Test.Benchmark/Program.cs
@@ -8,13 +8,13 @@
 using BenchmarkDotNet.Jobs;
 using BenchmarkDotNet.Order;
 using BenchmarkDotNet.Running;
-using EnumFastToStringGenerated;
 using Perfolizer.Horology;
 using System;
 using System.ComponentModel.DataAnnotations;
 using System.Linq;
 using System.Reflection;
 using System.Text.RegularExpressions;
+using Supernova.Enum.Generators;
 
 namespace Console.Test.Benchmark;
 
diff --git a/test/UnitTests/EnumGeneratorTest.cs b/test/UnitTests/EnumGeneratorTest.cs
index c0e50bb..981343a 100644
--- a/test/UnitTests/EnumGeneratorTest.cs
+++ b/test/UnitTests/EnumGeneratorTest.cs
@@ -1,9 +1,9 @@
-using EnumFastToStringGenerated;
-using FluentAssertions;
+using FluentAssertions;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
+using Supernova.Enum.Generators;
 
 namespace UnitTests;
 
diff --git a/test/UnitTests/InternalEnumGeneratorTest.cs b/test/UnitTests/InternalEnumGeneratorTest.cs
index 84a5a5a..01edcb0 100644
--- a/test/UnitTests/InternalEnumGeneratorTest.cs
+++ b/test/UnitTests/InternalEnumGeneratorTest.cs
@@ -1,9 +1,9 @@
-using EnumFastToStringGenerated;
-using FluentAssertions;
+using FluentAssertions;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
+using Supernova.Enum.Generators;
 
 namespace UnitTests;