From ff277cfa6e1d24cfab6b4952bae2002d7a0daf0d Mon Sep 17 00:00:00 2001
From: momo5502 <mauriceheumann@gmail.com>
Date: Sun, 23 Dec 2018 23:21:30 +0100
Subject: [PATCH] Prepare module management

---
 src/loader/module_loader.cpp | 23 +++++++++++++++++++++++
 src/loader/module_loader.hpp | 31 +++++++++++++++++++++++++++++++
 src/module/ceg.cpp           | 18 ++++++++++++++++++
 src/module/dw.cpp            | 18 ++++++++++++++++++
 4 files changed, 90 insertions(+)
 create mode 100644 src/loader/module_loader.cpp
 create mode 100644 src/loader/module_loader.hpp
 create mode 100644 src/module/ceg.cpp
 create mode 100644 src/module/dw.cpp

diff --git a/src/loader/module_loader.cpp b/src/loader/module_loader.cpp
new file mode 100644
index 0000000..56e40bb
--- /dev/null
+++ b/src/loader/module_loader.cpp
@@ -0,0 +1,23 @@
+#include <std_include.hpp>
+#include "module_loader.hpp"
+
+std::vector<std::unique_ptr<module>>* module_loader::modules_ = nullptr;
+
+void module_loader::register_module(std::unique_ptr<module>&& module_)
+{
+	if(!module_loader::modules_)
+	{
+		module_loader::modules_ = new std::vector<std::unique_ptr<module>>();
+		atexit(module_loader::destroy_modules);
+	}
+
+	module_loader::modules_->push_back(std::move(module_));
+}
+
+void module_loader::destroy_modules()
+{
+	if(!module_loader::modules_) return;
+
+	delete module_loader::modules_;
+	module_loader::modules_ = nullptr;
+}
diff --git a/src/loader/module_loader.hpp b/src/loader/module_loader.hpp
new file mode 100644
index 0000000..50dff89
--- /dev/null
+++ b/src/loader/module_loader.hpp
@@ -0,0 +1,31 @@
+#pragma once
+#include "module.hpp"
+
+class module_loader final
+{
+public:
+	template <typename T>
+	class installer
+	{
+		static_assert(std::is_base_of<module, T>::value, "Module has invalid base class");
+
+	public:
+		installer()
+		{
+			register_module(std::make_unique<T>());
+		}
+	};
+
+	static void register_module(std::unique_ptr<module>&& module);
+
+private:
+	static std::vector<std::unique_ptr<module>>* modules_;
+
+	static void destroy_modules();
+};
+
+#define REGISTER_MODULE(name)                       \
+namespace                                           \
+{                                                   \
+	static module_loader::installer<name> $_##name; \
+}
diff --git a/src/module/ceg.cpp b/src/module/ceg.cpp
new file mode 100644
index 0000000..6522fdb
--- /dev/null
+++ b/src/module/ceg.cpp
@@ -0,0 +1,18 @@
+#include <std_include.hpp>
+#include "loader/module_loader.hpp"
+
+class ceg final : public module
+{
+public:
+	ceg()
+	{
+		OutputDebugStringA("+ CEG\n");
+	}
+
+	~ceg()
+	{
+		OutputDebugStringA("- CEG\n");
+	}
+};
+
+REGISTER_MODULE(ceg)
\ No newline at end of file
diff --git a/src/module/dw.cpp b/src/module/dw.cpp
new file mode 100644
index 0000000..2ccc52e
--- /dev/null
+++ b/src/module/dw.cpp
@@ -0,0 +1,18 @@
+#include <std_include.hpp>
+#include "loader/module_loader.hpp"
+
+class dw final : public module
+{
+public:
+	dw()
+	{
+		OutputDebugStringA("+ DW\n");
+	}
+
+	~dw()
+	{
+		OutputDebugStringA("- DW\n");
+	}
+};
+
+REGISTER_MODULE(dw)
\ No newline at end of file