add: MessageBus

src/Generators/SendMessageMethodGenerator.cs

@@ -0,0 +1,31 @@
+using System.Text;
+using Microsoft.CodeAnalysis;
+
+namespace Polonium.Generators.Generators;
+[Generator]
+public class SendMessageMethodGenerator : AssetProcessGenerator
+{
+    public override void Execute(GeneratorExecutionContext context)
+    {
+        if (context.SyntaxReceiver is not ClassSyntaxReceiver receiver)
+            return;
+        Compilation compilation = context.Compilation;
+        INamedTypeSymbol? ifc = compilation.GetTypeByMetadataName("Polonium.Interfaces.IMessageClient");
+        foreach (ClassInfo cls in GetClassesWithInterface(context, ifc))
+        {
+            StringBuilder sb = new();
+            sb
+                .AppendLine("using Polonium.Interfaces;")
+                .AppendLine("using System;")
+                .AppendLine("using Polonium.Resources;")
+                .AppendLine("using Polonium.MessageManager;")
+                .AppendLine($"namespace {cls.Namespace};")
+                .AppendLine($"public partial class {cls.ClassName}")
+                .AppendLine("{")
+                .AppendLine("    public event IMessageClient.MessageSentEventHandler MessageSent;")
+                .AppendLine("    public void SendMessage(PoloniumMessage msg) => MessageSent?.Invoke(msg); ")
+                .AppendLine("}");
+            context.AddSource($"{cls.ClassName}_MessageClient.g.cs", sb.ToString());
+        }
+    }
+}