//-----------------------------------------------------------------------------+
// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
// = FileName	:   TWAutoDelBuf.h
// = Version	:   ver2.0
// = Author		:   xlc
// = CreateDate	:   2002-09-09
// = Description:   类的声明
// = Maintainers: 
//                  
//-----------------------------------------------------------------------------+
#ifndef _TWAUTODELBUF_H_
#define _TWAUTODELBUF_H_

#ifndef _TWAUTODEL_H_
#include "TWAutoDel.h"
#endif

#ifndef _TPDLIST_H_
#include "TPDList.h"
#endif

#ifndef _TDLISTSTACK_H_
#include "TDListStack.h"
#endif

//动态内存搜集器
class GEOAPI TWAutoDelBuf : public TPDList<TWAutoDel>
{
	friend TWAutoDel::TWAutoDel();

public:

	//只能在堆栈上构造(g_firstBuf除外),新buffer自动成为全局当前buffer
	TWAutoDelBuf();
	
	//自动恢复旧全局当前buffer
	virtual ~TWAutoDelBuf();

	void AutoDel();

	TWAutoDelBuf& GlobalBuf();

protected:
	
	static TWAutoDelBuf* g_pCurBuf;
	static TWAutoDelBuf g_firstBuf;
	static TDListStack<TWAutoDelBuf*> g_bufStack;
};

#endif