80 lines
1.4 KiB
C++
80 lines
1.4 KiB
C++
/*****************************************************************************
|
|
*
|
|
* (C) COPYRIGHT MICROSOFT CORPORATION, 2000
|
|
*
|
|
* TITLE: gensph.h
|
|
*
|
|
* VERSION: 1.0
|
|
*
|
|
* AUTHOR: LazarI
|
|
*
|
|
* DATE: 23-Dec-2000
|
|
*
|
|
* DESCRIPTION: generic smart pointers & smart handles templates
|
|
*
|
|
*****************************************************************************/
|
|
|
|
////////////////////////////////////////////////
|
|
//
|
|
// class CRefPtrCOM
|
|
//
|
|
// referenced smart COM pointer (ATL style)
|
|
//
|
|
|
|
template <class T>
|
|
inline void CRefPtrCOM<T>::_AddRefAttach(T *p)
|
|
{
|
|
if( IsntNull(p) )
|
|
{
|
|
p->AddRef();
|
|
}
|
|
|
|
Reset();
|
|
m_p = (p ? p : GetNull());
|
|
}
|
|
|
|
template <class T>
|
|
inline HRESULT CRefPtrCOM<T>::CopyFrom(T *p)
|
|
{
|
|
_AddRefAttach(p);
|
|
return S_OK;
|
|
}
|
|
|
|
template <class T>
|
|
inline HRESULT CRefPtrCOM<T>::CopyTo(T **ppObj)
|
|
{
|
|
HRESULT hr = E_INVALIDARG;
|
|
if( ppObj )
|
|
{
|
|
*ppObj = m_p;
|
|
if( IsntNull(*ppObj) )
|
|
{
|
|
(*ppObj)->AddRef();
|
|
}
|
|
hr = S_OK;
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
template <class T>
|
|
inline HRESULT CRefPtrCOM<T>::TransferTo(T **ppObj)
|
|
{
|
|
HRESULT hr = E_INVALIDARG;
|
|
if( ppObj )
|
|
{
|
|
*ppObj = m_p;
|
|
m_p = GetNull();
|
|
hr = S_OK;
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
template <class T>
|
|
inline HRESULT CRefPtrCOM<T>::Adopt(T *p)
|
|
{
|
|
Reset();
|
|
m_p = (p ? p : GetNull());
|
|
return S_OK;
|
|
}
|
|
|