From 1eb11b55a0dfd3d28b2db29d0c341d2fa0bbda15 Mon Sep 17 00:00:00 2001
From: Ryan Houdek <Sonicadvance1@gmail.com>
Date: Wed, 27 Jan 2016 18:08:58 -0600
Subject: [PATCH] Base configuration loader

---
 .../Core/ConfigLoaders/BaseConfigLoader.cpp   | 95 +++++++++++++++++++
 .../Core/ConfigLoaders/BaseConfigLoader.h     | 17 ++++
 2 files changed, 112 insertions(+)
 create mode 100644 Source/Core/Core/ConfigLoaders/BaseConfigLoader.cpp
 create mode 100644 Source/Core/Core/ConfigLoaders/BaseConfigLoader.h

diff --git a/Source/Core/Core/ConfigLoaders/BaseConfigLoader.cpp b/Source/Core/Core/ConfigLoaders/BaseConfigLoader.cpp
new file mode 100644
index 0000000000..c073cfcf2e
--- /dev/null
+++ b/Source/Core/Core/ConfigLoaders/BaseConfigLoader.cpp
@@ -0,0 +1,95 @@
+// Copyright 2016 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include <cstring>
+#include <list>
+#include <map>
+#include <string>
+
+#include "Common/CommonPaths.h"
+#include "Common/CommonTypes.h"
+#include "Common/Config/Config.h"
+#include "Common/FileUtil.h"
+#include "Common/IniFile.h"
+#include "Common/Logging/Log.h"
+
+#include "Core/ConfigLoaders/BaseConfigLoader.h"
+
+namespace ConfigLoaders
+{
+const std::map<Config::System, int> system_to_ini = {
+    {Config::System::Main, F_DOLPHINCONFIG_IDX},
+    {Config::System::GCPad, F_GCPADCONFIG_IDX},
+    {Config::System::WiiPad, F_WIIPADCONFIG_IDX},
+    {Config::System::GCKeyboard, F_GCKEYBOARDCONFIG_IDX},
+    {Config::System::GFX, F_GFXCONFIG_IDX},
+    {Config::System::Logger, F_LOGGERCONFIG_IDX},
+    {Config::System::Debugger, F_DEBUGGERCONFIG_IDX},
+    {Config::System::UI, F_UICONFIG_IDX},
+};
+
+// INI layer configuration loader
+class INIBaseConfigLayerLoader final : public Config::ConfigLayerLoader
+{
+public:
+  INIBaseConfigLayerLoader() : ConfigLayerLoader(Config::LayerType::Base) {}
+  void Load(Config::Layer* config_layer) override
+  {
+    for (const auto& system : system_to_ini)
+    {
+      IniFile ini;
+      ini.Load(File::GetUserPath(system.second));
+      const std::list<IniFile::Section>& system_sections = ini.GetSections();
+
+      for (const auto& section : system_sections)
+      {
+        const std::string section_name = section.GetName();
+        Config::Section* config_section =
+            config_layer->GetOrCreateSection(system.first, section_name);
+        const IniFile::Section::SectionMap& section_map = section.GetValues();
+
+        for (const auto& value : section_map)
+          config_section->Set(value.first, value.second);
+      }
+    }
+  }
+
+  void Save(Config::Layer* config_layer) override
+  {
+    const Config::LayerMap& sections = config_layer->GetLayerMap();
+    for (const auto& system : sections)
+    {
+      auto mapping = system_to_ini.find(system.first);
+      if (mapping == system_to_ini.end())
+      {
+        ERROR_LOG(COMMON, "Config can't map system '%s' to an INI file!",
+                  Config::GetSystemName(system.first).c_str());
+        continue;
+      }
+
+      IniFile ini;
+      ini.Load(File::GetUserPath(mapping->second));
+
+      for (const auto& section : system.second)
+      {
+        const std::string section_name = section.GetName();
+        const Config::SectionValueMap& section_values = section.GetValues();
+
+        IniFile::Section* ini_section = ini.GetOrCreateSection(section_name);
+
+        for (const auto& value : section_values)
+          ini_section->Set(value.first, value.second);
+      }
+
+      ini.Save(File::GetUserPath(mapping->second));
+    }
+  }
+};
+
+// Loader generation
+std::unique_ptr<Config::ConfigLayerLoader> GenerateBaseConfigLoader()
+{
+  return std::make_unique<INIBaseConfigLayerLoader>();
+}
+}
diff --git a/Source/Core/Core/ConfigLoaders/BaseConfigLoader.h b/Source/Core/Core/ConfigLoaders/BaseConfigLoader.h
new file mode 100644
index 0000000000..4356c5ad47
--- /dev/null
+++ b/Source/Core/Core/ConfigLoaders/BaseConfigLoader.h
@@ -0,0 +1,17 @@
+// Copyright 2016 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+
+namespace Config
+{
+class ConfigLayerLoader;
+}
+
+namespace ConfigLoaders
+{
+std::unique_ptr<Config::ConfigLayerLoader> GenerateBaseConfigLoader();
+}