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Diffstat (limited to 'embedserv/source/inprocserv/smartpointer.hxx')
-rw-r--r-- | embedserv/source/inprocserv/smartpointer.hxx | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/embedserv/source/inprocserv/smartpointer.hxx b/embedserv/source/inprocserv/smartpointer.hxx new file mode 100644 index 000000000000..2b72d11287fa --- /dev/null +++ b/embedserv/source/inprocserv/smartpointer.hxx @@ -0,0 +1,197 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#ifndef _INPROCSERV_SMARTPOINTER_HXX_ +#define _INPROCSERV_SMARTPOINTER_HXX_ + +// #define OWNDEBUG + +#ifdef OWNDEBUG +#define WRITEDEBUGINFOINTERN( x ) WriteDebugInfo( (DWORD)this, x, sizeof( x ) ) +#define WRITEDEBUGINFO( x ) WRITEDEBUGINFOINTERN( x ":" MY_STRING_LINE "\n" ) +#define TO_STRING( x ) #x +#define MACRO_VALUE_TO_STRING( x ) TO_STRING( x ) +#define MY_STRING_LINE MACRO_VALUE_TO_STRING( __LINE__ ) +#else +#define WRITEDEBUGINFO( x ) void() +#define MY_STRING_LINE +#endif + + +namespace inprocserv{ + +void WriteDebugInfo( DWORD pThis, char* pString, DWORD nToWrite ); + +template< class T > class ComSmart +{ + T* m_pInterface; + + void OwnRelease() + { + if ( m_pInterface ) + { + T* pInterface = m_pInterface; + m_pInterface = NULL; + pInterface->Release(); + } + } + +public: + ComSmart() + : m_pInterface( NULL ) + {} + + ComSmart( const ComSmart<T>& rObj ) + : m_pInterface( rObj.m_pInterface ) + { + if ( m_pInterface != NULL ) + m_pInterface->AddRef(); + } + + ComSmart( T* pInterface ) + : m_pInterface( pInterface ) + { + if ( m_pInterface != NULL ) + m_pInterface->AddRef(); + } + + ~ComSmart() + { + OwnRelease(); + } + + ComSmart& operator=( const ComSmart<T>& rObj ) + { + OwnRelease(); + + m_pInterface = rObj.m_pInterface; + + if ( m_pInterface != NULL ) + m_pInterface->AddRef(); + + return *this; + } + + ComSmart<T>& operator=( T* pInterface ) + { + OwnRelease(); + + m_pInterface = pInterface; + + if ( m_pInterface != NULL ) + m_pInterface->AddRef(); + + return *this; + } + + operator T*() const + { + return m_pInterface; + } + + T& operator*() const + { + return *m_pInterface; + } + + T** operator&() + { + OwnRelease(); + + m_pInterface = NULL; + + return &m_pInterface; + } + + T* operator->() const + { + return m_pInterface; + } + + BOOL operator==( const ComSmart<T>& rObj ) const + { + return ( m_pInterface == rObj.m_pInterface ); + } + + BOOL operator!=( const ComSmart<T>& rObj ) const + { + return ( m_pInterface != rObj.m_pInterface ); + } + + BOOL operator==( const T* pInterface ) const + { + return ( m_pInterface == pInterface ); + } + + BOOL operator!=( const T* pInterface ) const + { + return ( m_pInterface != pInterface ); + } +}; + +class CSGuard +{ + CRITICAL_SECTION* m_pCriticalSection; + +public: + CSGuard( CRITICAL_SECTION* pCS ) + : m_pCriticalSection( pCS ) + { + if ( m_pCriticalSection ) + EnterCriticalSection( m_pCriticalSection ); + } + + ~CSGuard() + { + if ( m_pCriticalSection ) + LeaveCriticalSection( m_pCriticalSection ); + } +}; + +class ULONGGuard +{ + ULONG* m_pValue; + +public: + ULONGGuard( ULONG* pValue ) + : m_pValue( pValue ) + { + if ( m_pValue ) + (*m_pValue)++; + } + + ~ULONGGuard() + { + if ( m_pValue ) + (*m_pValue)--; + } +}; + +} // namespace inprocserv + +#endif + |