GUIAutoPtr.h

/*
* Copyright (C) TES Electronic Solutions GmbH,
* All Rights Reserved.
* Contact: info@guiliani.de
*
* This file is part of the Guiliani HMI framework
* for the development of graphical user interfaces on embedded systems.
*/
 
#ifndef __GUIAUTOPTR_H__
#define __GUIAUTOPTR_H__
 
#include "eC_Types.h"
 
#include "eC_CustomMemoryMapping.h"
 
 
template<class T>
class CGUIAutoPtr
{
public:
 
    typedef T element_type;
 
    explicit CGUIAutoPtr(element_type* p, eC_Bool bIsArray) throw() :
        m_ptr(p),
        m_bIsArray(bIsArray)
    { }
 
    CGUIAutoPtr(CGUIAutoPtr<T>& kSource) throw()
    {
        m_ptr = kSource.m_ptr;
        kSource.m_ptr = NULL;
        m_bIsArray = kSource.m_bIsArray;
    }
 
    ~CGUIAutoPtr() throw()
    {
        DestroyPointer();
    }
 
    CGUIAutoPtr<T>& operator= (CGUIAutoPtr<T>& kSource) throw()
    {
        m_ptr = kSource.m_ptr;
        kSource.m_ptr = NULL;
        m_bIsArray = kSource.m_bIsArray;
        return *this;
    }
 
    element_type& operator* () const throw() {return *m_ptr;}
 
    element_type* operator-> () const throw() {return m_ptr;}
 
    element_type* get() const throw() {return m_ptr;}
 
    element_type* release() throw() {element_type* p=m_ptr; m_ptr = NULL; return p;}
 
    void reset(element_type* p=0) throw() {if (p!=m_ptr){DestroyPointer(); m_ptr=p;}}
 
    CGUIAutoPtr& operator = (element_type* p){if (p!=m_ptr){DestroyPointer(); m_ptr=p;}return *this;}
 
    template<class Y> operator CGUIAutoPtr<Y>() throw()
    {
        CGUIAutoPtr<Y> kYAutoPtr = *this;
        return kYAutoPtr;
    }
 
private:
    void DestroyPointer()
    {
        if (m_bIsArray == true)
        {
            delete[] m_ptr;
        }
        else
        {
            delete m_ptr;
        }
        m_ptr = NULL;
    }
 
    element_type* m_ptr;
    eC_Bool m_bIsArray;
};
 
#include "eC_CustomMemoryMappingUndef.h"
 
#endif