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107 lines
1.8 KiB
107 lines
1.8 KiB
//-----------------------------------------------------------------------------
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//
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// File: SmartRef.inl
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// Copyright (C) 1994-1997 Microsoft Corporation
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// All rights reserved.
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//
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//
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//
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//-----------------------------------------------------------------------------
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template <class T>
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SmartRef< T >::SmartRef(
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const SmartRef<T> &other)
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{
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m_pInterface = const_cast<T *>(other.m_pInterface);
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m_pInterface->AddRef();
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}
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template <class T>
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void
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SmartRef< T >::operator=(
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const SmartRef<T> &pInterface)
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{
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if (m_pInterface != NULL)
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{
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m_pInterface->Release();
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}
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m_pInterface = ((SmartRef<T> &)pInterface).GetInterface(TRUE);
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}
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template <class T>
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T **
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SmartRef< T >::operator&(void)
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{
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if (m_pInterface != NULL)
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{
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m_pInterface->Release();
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m_pInterface = NULL;
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}
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return &m_pInterface;
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}
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template <class T>
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T *
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SmartRef< T >::ExtractImpl(void)
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{
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T *pInterface = m_pInterface;
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m_pInterface = NULL;
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return pInterface;
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}
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template <class T>
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T *
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SmartRef< T >::GetInterfaceImpl(
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BOOL fAddRef /*= FALSE*/)
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{
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// Should never ask to AddRef with a NULL pointer
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LTASSERT(!fAddRef || NULL != m_pInterface);
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if (fAddRef)
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{
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m_pInterface->AddRef();
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}
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return m_pInterface;
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}
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//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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//
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// This should only be used to init a smart pointer.
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//
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//-----------------------------------------------------------------------------
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template <class T>
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T * &
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SmartRef< T >::opTpRef(void)
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{
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LTASSERT(m_pInterface == NULL);
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return m_pInterface;
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}
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template <class T>
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void
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SmartRef< T >::opEqImpl(
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T *pOther)
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{
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if (m_pInterface != NULL)
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{
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m_pInterface->Release();
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}
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m_pInterface = pOther;
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}
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