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Diffstat (limited to 'fpicker/source/win32/misc/AutoBuffer.cxx')
-rw-r--r-- | fpicker/source/win32/misc/AutoBuffer.cxx | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/fpicker/source/win32/misc/AutoBuffer.cxx b/fpicker/source/win32/misc/AutoBuffer.cxx new file mode 100644 index 000000000000..00c0f91fbf42 --- /dev/null +++ b/fpicker/source/win32/misc/AutoBuffer.cxx @@ -0,0 +1,172 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * 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. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_fpicker.hxx" + +//------------------------------------------------------------------------ +// includes +//------------------------------------------------------------------------ +#include "AutoBuffer.hxx" +#include <osl/diagnose.h> + +#if defined _MSC_VER +#pragma warning(push, 1) +#endif +#include <windows.h> +#if defined _MSC_VER +#pragma warning(pop) +#endif + +//------------------------------------------------------------------------ +// namespace directives +//------------------------------------------------------------------------ + +using rtl::OUString; + +//------------------------------------------------------------------------ +// +//------------------------------------------------------------------------ + +CAutoUnicodeBuffer::CAutoUnicodeBuffer( size_t size, sal_Bool bLazyCreation ) : + m_buffSize( size ), + m_pBuff( NULL ) +{ + if ( !bLazyCreation ) + init( ); +} + +//------------------------------------------------------------------------ +// +//------------------------------------------------------------------------ + +CAutoUnicodeBuffer::~CAutoUnicodeBuffer( ) +{ + delete [] m_pBuff; +} + +//------------------------------------------------------------------------ +// +//------------------------------------------------------------------------ + +sal_Bool SAL_CALL CAutoUnicodeBuffer::resize( size_t new_size ) +{ + if ( new_size != m_buffSize ) + { + if ( new_size > m_buffSize ) + { + delete [] m_pBuff; + m_pBuff = NULL; + } + + m_buffSize = new_size; + } + + return sal_True; +} + +//------------------------------------------------------------------------ +// +//------------------------------------------------------------------------ + +void SAL_CALL CAutoUnicodeBuffer::empty( ) +{ + if ( m_pBuff ) + ZeroMemory( m_pBuff, m_buffSize * sizeof( sal_Unicode ) ); +} + +//------------------------------------------------------------------------ +// +//------------------------------------------------------------------------ + +sal_Bool SAL_CALL CAutoUnicodeBuffer::fill( const sal_Unicode* pContent, size_t nLen ) +{ + OSL_ASSERT( pContent && m_buffSize && (m_buffSize >= nLen) ); + + init( ); + + sal_Bool bRet = sal_False; + + if ( m_pBuff && pContent && nLen ) + { + CopyMemory( m_pBuff, pContent, nLen * sizeof( sal_Unicode ) ); + bRet = sal_True; + } + + return bRet; +} + +//------------------------------------------------------------------------ +// +//------------------------------------------------------------------------ + +size_t SAL_CALL CAutoUnicodeBuffer::size( ) const +{ + return m_buffSize; +} + +//------------------------------------------------------------------------ +// +//------------------------------------------------------------------------ + +CAutoUnicodeBuffer::operator sal_Unicode*( ) +{ + return m_pBuff; +} + +//------------------------------------------------------------------------ +// +//------------------------------------------------------------------------ + +sal_Unicode* CAutoUnicodeBuffer::operator&( ) +{ + return m_pBuff; +} + +//------------------------------------------------------------------------ +// +//------------------------------------------------------------------------ + +const sal_Unicode* CAutoUnicodeBuffer::operator&( ) const +{ + return m_pBuff; +} + +//------------------------------------------------------------------------ +// +//------------------------------------------------------------------------ + +void SAL_CALL CAutoUnicodeBuffer::init( ) +{ + if ( !m_pBuff && (m_buffSize > 0) ) + m_pBuff = new sal_Unicode[ m_buffSize ]; + + empty( ); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |