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[Common] Clean up SmartPointer.h

This commit is contained in:
zilmar 2016-11-14 18:08:42 +11:00
parent e1633bbada
commit 981ec94786
1 changed files with 61 additions and 64 deletions
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125
Source/Common/SmartPointer.h
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@ -1,97 +1,94 @@
#ifndef __SMART_POINTER__H__
#define __SMART_POINTER__H__
#pragma once
//The template class definition for smart pointer
template<class _Ty>
class AUTO_PTR
class AUTO_PTR
{
public:
typedef _Ty element_type;
//ctor
explicit AUTO_PTR(_Ty *pVal = 0) throw() :
m_Owns(pVal != 0),
m_AutoPtr(pVal)
m_Owns(pVal != 0),
m_AutoPtr(pVal)
{
}
//copy ctor
//copy ctor
AUTO_PTR(const AUTO_PTR<_Ty>& ptrCopy) throw() :
m_Owns(ptrCopy.m_Owns),
m_AutoPtr(ptrCopy.release())
m_Owns(ptrCopy.m_Owns),
m_AutoPtr(ptrCopy.release())
{
}
//overloading = operator
//overloading = operator
AUTO_PTR<_Ty>& operator=(AUTO_PTR<_Ty>& ptrCopy) throw()
{
if (this != &ptrCopy)
{
if (m_AutoPtr != ptrCopy.get())
{
if (m_Owns)
{
delete m_AutoPtr;
}
m_Owns = ptrCopy.m_Owns;
}
else if (ptrCopy.m_Owns)
{
m_Owns = true;
}
m_AutoPtr = ptrCopy.release();
}
return (*this);
if (this != &ptrCopy)
{
if (m_AutoPtr != ptrCopy.get())
{
if (m_Owns)
{
delete m_AutoPtr;
}
m_Owns = ptrCopy.m_Owns;
}
else if (ptrCopy.m_Owns)
{
m_Owns = true;
}
m_AutoPtr = ptrCopy.release();
}
return (*this);
}
//dtor
~AUTO_PTR()
{
if (m_Owns)
{
delete m_AutoPtr;
}
if (m_Owns)
{
delete m_AutoPtr;
}
}
//overloading * operator
_Ty& operator*() const throw()
{
return (*get());
}
_Ty& operator*() const throw()
{
return (*get());
}
//overloading -> operator
_Ty *operator->() const throw()
{
return (get());
}
_Ty *operator->() const throw()
{
return (get());
}
//function to get the pointer to the class
_Ty *get() const throw()
{
return (m_AutoPtr);
}
//function to get the pointer to the class and take ownership
_Ty *release() const throw()
{
((AUTO_PTR<_Ty> *)this)->m_Owns = false;
return (m_AutoPtr);
}
_Ty *get() const throw()
{
return (m_AutoPtr);
}
void reset( _Ty *pVal = 0 ) throw()
{
if (m_AutoPtr != pVal)
{
if (m_Owns)
{
delete m_AutoPtr;
}
m_AutoPtr = pVal;
m_Owns = pVal != NULL;
}
}
//function to get the pointer to the class and take ownership
_Ty *release() const throw()
{
((AUTO_PTR<_Ty> *)this)->m_Owns = false;
return (m_AutoPtr);
}
void reset(_Ty *pVal = 0) throw()
{
if (m_AutoPtr != pVal)
{
if (m_Owns)
{
delete m_AutoPtr;
}
m_AutoPtr = pVal;
m_Owns = pVal != NULL;
}
}
private:
_Ty * m_AutoPtr;
bool m_Owns;
bool m_Owns;
};
#endif