176 lines
4.8 KiB
C++
176 lines
4.8 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: AutoBuffer.cxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: rt $ $Date: 2005-09-09 11:52:40 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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//------------------------------------------------------------------------
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// includes
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//------------------------------------------------------------------------
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#ifndef _AUTO_BUFFER_HXX_
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#include "AutoBuffer.hxx"
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#endif
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#ifndef _OSL_DIAGNOSE_H_
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#include <osl/diagnose.h>
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#endif
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#include <windows.h>
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//------------------------------------------------------------------------
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// namespace directives
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//------------------------------------------------------------------------
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using rtl::OUString;
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//------------------------------------------------------------------------
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//
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//------------------------------------------------------------------------
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CAutoUnicodeBuffer::CAutoUnicodeBuffer( size_t size, sal_Bool bLazyCreation ) :
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m_buffSize( size ),
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m_pBuff( NULL )
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{
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if ( !bLazyCreation )
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init( );
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}
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//------------------------------------------------------------------------
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//
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//------------------------------------------------------------------------
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CAutoUnicodeBuffer::~CAutoUnicodeBuffer( )
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{
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delete [] m_pBuff;
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}
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//------------------------------------------------------------------------
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//
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//------------------------------------------------------------------------
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sal_Bool SAL_CALL CAutoUnicodeBuffer::resize( size_t new_size )
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{
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OSL_ASSERT( new_size >= 0 );
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if ( new_size != m_buffSize )
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{
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if ( new_size > m_buffSize )
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{
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delete [] m_pBuff;
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m_pBuff = NULL;
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}
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m_buffSize = new_size;
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}
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return sal_True;
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}
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//------------------------------------------------------------------------
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//
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//------------------------------------------------------------------------
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void SAL_CALL CAutoUnicodeBuffer::empty( )
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{
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if ( m_pBuff )
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ZeroMemory( m_pBuff, m_buffSize * sizeof( sal_Unicode ) );
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}
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//------------------------------------------------------------------------
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//
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//------------------------------------------------------------------------
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sal_Bool SAL_CALL CAutoUnicodeBuffer::fill( const sal_Unicode* pContent, size_t nLen )
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{
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OSL_ASSERT( pContent && m_buffSize && (m_buffSize >= nLen) );
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init( );
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sal_Bool bRet = sal_False;
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if ( m_pBuff && pContent && nLen )
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{
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CopyMemory( m_pBuff, pContent, nLen * sizeof( sal_Unicode ) );
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bRet = sal_True;
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}
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return bRet;
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}
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//------------------------------------------------------------------------
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//
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//------------------------------------------------------------------------
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size_t SAL_CALL CAutoUnicodeBuffer::size( ) const
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{
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return m_buffSize;
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}
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//------------------------------------------------------------------------
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//
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//------------------------------------------------------------------------
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CAutoUnicodeBuffer::operator sal_Unicode*( )
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{
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return m_pBuff;
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}
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//------------------------------------------------------------------------
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//
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//------------------------------------------------------------------------
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sal_Unicode* CAutoUnicodeBuffer::operator&( )
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{
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return m_pBuff;
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}
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//------------------------------------------------------------------------
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//
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//------------------------------------------------------------------------
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const sal_Unicode* CAutoUnicodeBuffer::operator&( ) const
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{
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return m_pBuff;
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}
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//------------------------------------------------------------------------
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//
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//------------------------------------------------------------------------
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void SAL_CALL CAutoUnicodeBuffer::init( )
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{
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if ( !m_pBuff && (m_buffSize > 0) )
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m_pBuff = new sal_Unicode[ m_buffSize ];
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empty( );
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}
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