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