Add integration with Rider IDE

Source/Editor/Scripting/CodeEditors/RiderCodeEditor.cpp

@@ -0,0 +1,167 @@
+// Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
+
+#include "RiderCodeEditor.h"
+#include "Engine/Platform/FileSystem.h"
+#include "Engine/Core/Log.h"
+#include "Editor/Editor.h"
+#include "Editor/ProjectInfo.h"
+#include "Editor/Scripting/ScriptsBuilder.h"
+#include "Engine/Engine/Globals.h"
+
+#if PLATFORM_WINDOWS
+
+#include "Engine/Platform/File.h"
+#include "Engine/Platform/Win32/IncludeWindowsHeaders.h"
+#include "Engine/Serialization/Json.h"
+
+namespace
+{
+    bool FindRegistryKeyItems(HKEY hKey, Array<String>& results)
+    {
+        Char nameBuffer[256];
+        for (int32 i = 0;; i++)
+        {
+            const LONG result = RegEnumKeyW(hKey, i, nameBuffer, ARRAY_COUNT(nameBuffer));
+            if (result == ERROR_NO_MORE_ITEMS)
+                break;
+            if (result != ERROR_SUCCESS)
+                return false;
+            results.Add(nameBuffer);
+        }
+        return true;
+    }
+
+    void SearchDirectory(Array<CodeEditor*>* output, const String& directory)
+    {
+        if (!FileSystem::DirectoryExists(directory))
+            return;
+
+        // Load product info
+        Array<byte> productInfoData;
+        const String productInfoPath = directory / TEXT("product-info.json");
+        if (File::ReadAllBytes(productInfoPath, productInfoData))
+            return;
+        rapidjson_flax::Document document;
+        document.Parse((char*)productInfoData.Get(), productInfoData.Count());
+        if (document.HasParseError())
+            return;
+
+        // Find executable file path
+        auto launchMember = document.FindMember("launch");
+        if (launchMember != document.MemberEnd() && launchMember->value.IsArray() && launchMember->value.Size() > 0)
+        {
+            auto launcherPathMember = launchMember->value[0].FindMember("launcherPath");
+            if (launcherPathMember != launchMember->value[0].MemberEnd())
+            {
+                auto launcherPath = launcherPathMember->value.GetText();
+                auto exePath = directory / launcherPath;
+                if (launcherPath.HasChars() && FileSystem::FileExists(exePath))
+                {
+                    output->Add(New<RiderCodeEditor>(exePath));
+                }
+            }
+        }
+    }
+
+    void SearchRegistry(Array<CodeEditor*>* output, HKEY root, const Char* key)
+    {
+        // Open key
+        HKEY keyH;
+        if (RegOpenKeyExW(root, key, 0, KEY_READ, &keyH) != ERROR_SUCCESS)
+            return;
+
+        // Iterate over subkeys
+        Array<String> subKeys;
+        if (FindRegistryKeyItems(keyH, subKeys))
+        {
+            for (auto& subKey : subKeys)
+            {
+                HKEY subKeyH;
+                if (RegOpenKeyExW(keyH, *subKey, 0, KEY_READ, &subKeyH) != ERROR_SUCCESS)
+                    continue;
+
+                // Read subkey value
+                DWORD type;
+                DWORD cbData;
+                if (RegQueryValueExW(subKeyH, TEXT(""), nullptr, &type, nullptr, &cbData) != ERROR_SUCCESS || type != REG_SZ)
+                {
+                    RegCloseKey(subKeyH);
+                    continue;
+                }
+                Array<Char> data;
+                data.Resize((int32)cbData / sizeof(Char));
+                if (RegQueryValueExW(subKeyH, TEXT(""), nullptr, nullptr, reinterpret_cast<LPBYTE>(data.Get()), &cbData) != ERROR_SUCCESS)
+                {
+                    RegCloseKey(subKeyH);
+                    continue;
+                }
+
+                // Check if it's a valid installation path
+                String path(data.Get(), data.Count() - 1);
+                SearchDirectory(output, path);
+
+                RegCloseKey(subKeyH);
+            }
+        }
+
+        RegCloseKey(keyH);
+    }
+}
+
+#endif
+
+RiderCodeEditor::RiderCodeEditor(const String& execPath)
+    : _execPath(execPath)
+    , _solutionPath(Globals::ProjectFolder / Editor::Project->Name + TEXT(".sln"))
+{
+}
+
+void RiderCodeEditor::FindEditors(Array<CodeEditor*>* output)
+{
+#if PLATFORM_WINDOWS
+    SearchRegistry(output, HKEY_CURRENT_USER, TEXT("SOFTWARE\\WOW6432Node\\JetBrains\\JetBrains Rider"));
+    SearchRegistry(output, HKEY_LOCAL_MACHINE, TEXT("SOFTWARE\\WOW6432Node\\JetBrains\\JetBrains Rider"));
+#endif
+}
+
+CodeEditorTypes RiderCodeEditor::GetType() const
+{
+    return CodeEditorTypes::Rider;
+}
+
+String RiderCodeEditor::GetName() const
+{
+    return TEXT("Rider");
+}
+
+void RiderCodeEditor::OpenFile(const String& path, int32 line)
+{
+    // Generate project files if solution is missing
+    if (!FileSystem::FileExists(_solutionPath))
+    {
+        ScriptsBuilder::GenerateProject(TEXT("-vs2019"));
+    }
+
+    // Open file
+    line = line > 0 ? line : 1;
+    const String args = String::Format(TEXT("\"{0}\" --line {2} \"{1}\""), _solutionPath, path, line);
+    Platform::StartProcess(_execPath, args, StringView::Empty);
+}
+
+void RiderCodeEditor::OpenSolution()
+{
+    // Generate project files if solution is missing
+    if (!FileSystem::FileExists(_solutionPath))
+    {
+        ScriptsBuilder::GenerateProject(TEXT("-vs2019"));
+    }
+
+    // Open solution
+    const String args = String::Format(TEXT("\"{0}\""), _solutionPath);
+    Platform::StartProcess(_execPath, args, StringView::Empty);
+}
+
+void RiderCodeEditor::OnFileAdded(const String& path)
+{
+    ScriptsBuilder::GenerateProject();
+}

Source/Editor/Scripting/CodeEditors/RiderCodeEditor.h

@@ -0,0 +1,41 @@
+// Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
+
+#pragma once
+
+#include "Editor/Scripting/CodeEditor.h"
+
+/// <summary>
+/// Implementation of code editor utility that is using Rider from JetBrains.
+/// </summary>
+class RiderCodeEditor : public CodeEditor
+{
+private:
+
+    String _execPath;
+    String _solutionPath;
+
+public:
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="VisualStudioEditor"/> class.
+    /// </summary>
+    /// <param name="execPath">Executable file path</param>
+    RiderCodeEditor(const String& execPath);
+
+public:
+
+    /// <summary>
+    /// Tries to find installed Visual Studio Code instance. Adds them to the result list.
+    /// </summary>
+    /// <param name="output">The output editors.</param>
+    static void FindEditors(Array<CodeEditor*>* output);
+
+public:
+
+    // [CodeEditor]
+    CodeEditorTypes GetType() const override;
+    String GetName() const override;
+    void OpenFile(const String& path, int32 line) override;
+    void OpenSolution() override;
+    void OnFileAdded(const String& path) override;
+};