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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: AutoBuffer.cxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: rt $ $Date: 2005-09-09 11:52:40 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
//------------------------------------------------------------------------
// includes
//------------------------------------------------------------------------
#ifndef _AUTO_BUFFER_HXX_
#include "AutoBuffer.hxx"
#endif
#ifndef _OSL_DIAGNOSE_H_
#include <osl/diagnose.h>
#endif
#include <windows.h>
//------------------------------------------------------------------------
// 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 )
{
OSL_ASSERT( new_size >= 0 );
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( );
}
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