warautodestruct.h

来自「ftpserver very good sample」· C头文件 代码 · 共 110 行

/** 
*/

#ifndef WAR_AUTO_DESTRUCT_H
#define WAR_AUTO_DESTRUCT_H

/* SYSTEM INCLUDES */


/* PROJECT INCLUDES */


/* LOCAL INCLUDES */


/* FORWARD REFERENCES */



#ifdef __cplusplus
extern "C" 
{
#endif
/****************** BEGIN OLD STYLE C spesific ********/


/****************** END OLD STYLE C spesific **********/
#ifdef __cplusplus 
}
#endif

/****************** BEGIN C++ spesific ****************/

#ifdef __cplusplus

template <class classT>
class WarAutoDestruct 
{
public:
	typedef classT type_t;
    // LIFECYCLE
    
    /**
    * Default constructor.
    */
    WarAutoDestruct(type_t *ptr = NULL)
		: mPtr(ptr)
	{}
    
    /**
    * Destructor.
    */
    ~WarAutoDestruct()
	{
		if (NULL != mPtr)
		{
			delete mPtr;
			mPtr = NULL;
		}
	}
    
    // OPERATORS
	
	type_t *operator = (type_t *ptr)
	{
		if (NULL != mPtr)
			delete mPtr;

		mPtr = ptr;
		return ptr;
	}

	operator bool () const
	{
		return (NULL != mPtr);
	}

	operator type_t * ()
	{
		return mPtr;
	}

    // OPERATIONS
    // CALLBACK
    // ACCESS

	type_t * GetPtr() 
	{
		return mPtr;
	}

    // INQUIRY
    
protected:
	type_t *mPtr;

private:
};

/* INLINE METHODS */

/* EXTERNAL REFERENCES */

#endif /* __cplusplus */

/****************** END C++ spesific ******************/

#endif  /* WAR_AUTO_DESTRUCT_H_ */