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#ifndef __LUAX_REF_H__
#define __LUAX_REF_H__

#include "luax_config.h"
#include "luax_state.h"

namespace Luax
{

	///
	/// ãLUA_REGISTRYINDEX
	///
	class LuaxRef
	{
	public:

		enum RefMode
		{
			STRONG_REF, 
			WEAK_REF
		};
		
		LuaxRef(int mode = STRONG_REF);
		virtual ~LuaxRef();

		operator bool();

		void SetRef(LuaxState& state, int idx);
		bool PushRef(LuaxState& state);

		int GetRefID();

	private:

		int mRefID; // luaL_ref
		int mMode;  // strong or weak 

	};

	///
	/// ǿãLUA_REGISTRYINDEX["_LUAX_STRONGREF_TABLE"]֤lua objectᱻա
	///
	class LuaxStrongRef: public LuaxRef
	{
	public:
		LuaxStrongRef();

	};

	///
	/// ãLUA_REGISTRYINDEX["_LUAX_WEAKREF_TABLE"]Ӱlua objectĻգֻΪһȡlua objectӳ䡣
	///
	class LuaxWeakRef : public LuaxRef
	{
	public:
		LuaxWeakRef();

	};

}

#endif