Create basic CppSharp generator

NativeFileDialogs.CppSharpGenerator/NativeFileDialogsLibrary.cs

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+// Copyright (c) Speykious
+// This file is part of NativeFileDialogs.NET.
+// NativeFileDialogs.NET is licensed under the Zlib License. See LICENSE for details.
+
+using CppSharp;
+using CppSharp.AST;
+using CppSharp.Generators;
+using CppSharp.Passes;
+
+namespace NativeFileDialogs.CppSharpGenerator;
+
+public class NativeFileDialogsLibrary : ILibrary
+{
+    private const string lib_name = "NativeFileDialogs";
+
+    public void Setup(Driver driver)
+    {
+        DriverOptions options = driver.Options;
+        options.GeneratorKind = GeneratorKind.CSharp;
+        options.OutputDir = $"../{lib_name}.AutoGen";
+        var module = options.AddModule("nfd");
+        module.IncludeDirs.Add(@"../nativefiledialog-extended/src/include");
+        module.Headers.Add("nfd.h");
+        module.OutputNamespace = $"{lib_name}.AutoGen";
+    }
+
+    public void SetupPasses(Driver driver)
+    {
+        driver.Context.TranslationUnitPasses.RenameDeclsUpperCase(RenameTargets.Any);
+    }
+
+    public void Preprocess(Driver driver, ASTContext ctx)
+    {
+    }
+
+    public void Postprocess(Driver driver, ASTContext ctx)
+    {
+    }
+}