Automatically release memeory

MAutoReleasePointer

/*
 * MAutoReleasePointer.h release memory automatically
 *
 *  Created on: 2011-10-27
 *      Author: bourneli
 */

#ifndef MSMARTPOINTER_H_
#define MSMARTPOINTER_H_

/**
 * DemoCode:
    void aFuntion()
    {
        Object* ptr = CreateObject();
        MAutoReleasePointer<Object> pArp(ptr); // delete ptr when get out of the scope
        ...
        ptr->FuntionWouldThrowException();
        ...
        AFunctionMightThrowException(ptr);
        ...
        // pArp will delete ptr automatically
    }
 */
template <class T>
class MAutoReleasePointer
{
private:

    const T* m_p;   // pointer for the memory

private:

    /**
     * no copying constructing
     */
    MAutoReleasePointer(const MAutoReleasePointer& pRhs) {}

    /**
     * no operator =
     */
    void operator = (const MAutoReleasePointer& pRhs) {}

public:

    /**
     * constructor for const
     */
    MAutoReleasePointer(const T* p) : m_p(p) {}

    /**
     * constructor
     */
    MAutoReleasePointer(T* p) : m_p(p) {}

    /**
     * delete the memory in desctructor
     */
    ~MAutoReleasePointer() {delete m_p;}
};

#endif /* MSMARTPOINTER_H_ */