185 lines
3.9 KiB
C++
185 lines
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifndef _INPROCSERV_SMARTPOINTER_HXX_
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#define _INPROCSERV_SMARTPOINTER_HXX_
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namespace inprocserv{
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void WriteDebugInfo( DWORD pThis, char* pString, DWORD nToWrite );
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template< class T > class ComSmart
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{
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T* m_pInterface;
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void OwnRelease()
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{
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if ( m_pInterface )
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{
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T* pInterface = m_pInterface;
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m_pInterface = NULL;
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pInterface->Release();
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}
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}
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public:
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ComSmart()
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: m_pInterface( NULL )
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{}
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ComSmart( const ComSmart<T>& rObj )
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: m_pInterface( rObj.m_pInterface )
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{
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if ( m_pInterface != NULL )
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m_pInterface->AddRef();
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}
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ComSmart( T* pInterface )
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: m_pInterface( pInterface )
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{
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if ( m_pInterface != NULL )
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m_pInterface->AddRef();
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}
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~ComSmart()
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{
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OwnRelease();
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}
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ComSmart& operator=( const ComSmart<T>& rObj )
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{
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OwnRelease();
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m_pInterface = rObj.m_pInterface;
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if ( m_pInterface != NULL )
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m_pInterface->AddRef();
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return *this;
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}
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ComSmart<T>& operator=( T* pInterface )
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{
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OwnRelease();
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m_pInterface = pInterface;
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if ( m_pInterface != NULL )
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m_pInterface->AddRef();
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return *this;
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}
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operator T*() const
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{
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return m_pInterface;
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}
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T& operator*() const
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{
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return *m_pInterface;
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}
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T** operator&()
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{
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OwnRelease();
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m_pInterface = NULL;
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return &m_pInterface;
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}
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T* operator->() const
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{
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return m_pInterface;
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}
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BOOL operator==( const ComSmart<T>& rObj ) const
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{
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return ( m_pInterface == rObj.m_pInterface );
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}
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BOOL operator!=( const ComSmart<T>& rObj ) const
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{
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return ( m_pInterface != rObj.m_pInterface );
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}
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BOOL operator==( const T* pInterface ) const
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{
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return ( m_pInterface == pInterface );
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}
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BOOL operator!=( const T* pInterface ) const
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{
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return ( m_pInterface != pInterface );
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}
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};
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class CSGuard
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{
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CRITICAL_SECTION* m_pCriticalSection;
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public:
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CSGuard( CRITICAL_SECTION* pCS )
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: m_pCriticalSection( pCS )
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{
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if ( m_pCriticalSection )
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EnterCriticalSection( m_pCriticalSection );
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}
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~CSGuard()
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{
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if ( m_pCriticalSection )
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LeaveCriticalSection( m_pCriticalSection );
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}
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};
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class ULONGGuard
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{
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ULONG* m_pValue;
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public:
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ULONGGuard( ULONG* pValue )
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: m_pValue( pValue )
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{
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if ( m_pValue )
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(*m_pValue)++;
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}
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~ULONGGuard()
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{
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if ( m_pValue )
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(*m_pValue)--;
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}
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};
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} // namespace inprocserv
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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