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#ifndef __LUAX_CLASS_H__
#define __LUAX_CLASS_H__

#include <vector>

#include "luax_config.h"
#include "luax_ref.h"

namespace Luax
{

#define LUAX_DECL_METHOD(mtd) static int mtd(lua_State* L)

	///
	/// RegisterLuaxClass עķͳԱö١ȵclass table
	/// LuaxRegisterInterface עӿڷinterface table
	/// LuaxGetFactoryName ùͬʱעʱעΪsingletonͨʱ
	///
#define LUAX_DECL_FACTORY(type) \
	static void RegisterLuaxClass(LuaxState&);\
	static void RegisterLuaxInterface(LuaxState&);\
	static void RegisterLuaxPostprocess(LuaxState&); \
	static const char* GetLuaxFactoryName() { return #type; };\
	static const char* GetLuaxClassName() { return #type; };\
	static bool IsLuaxClassSingleton() { return false; };
	
	///
	/// RegisterLuaxClass עķͳԱö١ȵclass table
	/// LuaxGetSingletonName õ
	///
#define LUAX_DECL_SINGLETON(type) \
	static void RegisterLuaxClass(LuaxState&);  \
	static const char* GetLuaxSingletonName() { return #type; }; \
	static const char* GetLuaxClassName() { return #type; }; \
	static bool IsLuaxClassSingleton() { return true; };

	///
	/// Ҫ¶luaclassҪ̳дࡣͨluaʵҪȷüȷԣڶ߳Ҫȷͷš
	///
	template<class T>
	class LuaxClass
	{
	public:

		void Retain();
		void Release();

	protected:

		LuaxClass();
		virtual ~LuaxClass();

		///
		/// userdata pushջûгʼmUserdataʼúԪѳʼõuserdataջһá
		///
		bool PushLuaUserdata(LuaxState& state);

		//------------------------------------------------------------------------------------------------------------

		///
		/// reftableĹ
		///
		void Ref();

	private:

		friend class LuaxState;

		static void RegisterLuaxClass(LuaxState& state);
		static void RegisterLuaxFactoryClass(LuaxState& state);
		static void RegisterLuaxSingletonClass(LuaxState& state);
		static void RegisterLuaxInterface(LuaxState& state);

		static void SetInterfaceTableRef(LuaxState& state, int idx);
		static void SetClassTableRef(LuaxState& state, int idx);

		static void PushInterfaceTable(LuaxState& state);
		static void PushClassTable(LuaxState& state);
		static void PushRefTable(LuaxState& state);

		///
		/// ȡַҪַֻͨڶϴʵõջϺ;̬ıȡַ֤ü׼ȷ
		/// ҪãʹôݶǴݵַ
		///
		void* operator &();

		///
		/// userdataʵstateǹ
		///
		void BindToLua(LuaxState& state);

		//------------------------------------------------------------------------------------------------------------

		///
		/// LuaxClass<T>͵ʵ
		///
		static LuaxStrongRef mInterfaceTable; // interface table 
		static LuaxStrongRef mClassTable;     // class table
		static LuaxStrongRef mRefTable;       // 

		///
		/// ͨuserdataõref table\member table\interface table
		///
		LuaxWeakRef mUserdata;

		///
		/// ü̼߳乲
		///
		int mRC;

		///
		/// ȷֻͨReleaseõsaferֻҪ̳LuaxClass࣬ʹdeleteֱͻᱨ
		///
		bool mSafer; 

	public:

		//------------------------------------------------------------------------------------------------------------
		// 

		LUAX_DECL_METHOD( l_GetClassName      );
		LUAX_DECL_METHOD( l_GetInterfaceTable );
		LUAX_DECL_METHOD(l_ToString);

		//------------------------------------------------------------------------------------------------------------
		// 

		LUAX_DECL_METHOD( l_ExtendFactory );
		LUAX_DECL_METHOD( l_GC            );

		//------------------------------------------------------------------------------------------------------------
		// 

		LUAX_DECL_METHOD( l_ExtendSingleton );

	};

}

#endif