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/*************************************************************************
*
* 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_dtrans.hxx"
//------------------------------------------------------------------------
// includes
//------------------------------------------------------------------------
#include <osl/diagnose.h>
#include "TxtCnvtHlp.hxx"
#include "DTransHelper.hxx"
#include "..\misc\ImplHelper.hxx"
using namespace ::com::sun::star::datatransfer;
using namespace ::com::sun::star::uno;
//------------------------------------------------------------------
// assuming a '\0' terminated string if no length specified
//------------------------------------------------------------------
int CalcBuffSizeForTextConversion( UINT code_page, LPCSTR lpMultiByteString, int nLen = -1 )
{
return ( MultiByteToWideChar( code_page,
0,
lpMultiByteString,
nLen,
NULL,
0 ) * sizeof( sal_Unicode ) );
}
//------------------------------------------------------------------
// assuming a '\0' terminated string if no length specified
//------------------------------------------------------------------
int CalcBuffSizeForTextConversion( UINT code_page, LPCWSTR lpWideCharString, int nLen = -1 )
{
return WideCharToMultiByte( code_page,
0,
lpWideCharString,
nLen,
NULL,
0,
NULL,
NULL );
}
//------------------------------------------------------------------
// converts text in one code page into unicode text
// automatically calculates the necessary buffer size and allocates
// the buffer
//------------------------------------------------------------------
int MultiByteToWideCharEx( UINT cp_src,
LPCSTR lpMultiByteString,
sal_uInt32 lenStr,
CStgTransferHelper& refDTransHelper,
BOOL bEnsureTrailingZero )
{
OSL_ASSERT( IsValidCodePage( cp_src ) );
OSL_ASSERT( NULL != lpMultiByteString );
// calculate the required buff size
int reqSize = CalcBuffSizeForTextConversion( cp_src, lpMultiByteString, lenStr );
if ( bEnsureTrailingZero )
reqSize += sizeof( sal_Unicode );
// initialize the data-transfer helper
refDTransHelper.init( reqSize );
// setup a global memory pointer
CRawHGlobalPtr ptrHGlob( refDTransHelper );
// do the converssion an return
return MultiByteToWideChar( cp_src,
0,
lpMultiByteString,
lenStr,
static_cast< LPWSTR >( ptrHGlob.GetMemPtr( ) ),
ptrHGlob.MemSize( ) );
}
//------------------------------------------------------------------
// converts unicode text into text of the specified code page
// automatically calculates the necessary buffer size and allocates
// the buffer
//------------------------------------------------------------------
int WideCharToMultiByteEx( UINT cp_dest,
LPCWSTR lpWideCharString,
sal_uInt32 lenStr,
CStgTransferHelper& refDTransHelper,
BOOL bEnsureTrailingZero )
{
OSL_ASSERT( IsValidCodePage( cp_dest ) );
OSL_ASSERT( NULL != lpWideCharString );
// calculate the required buff size
int reqSize = CalcBuffSizeForTextConversion( cp_dest, lpWideCharString, lenStr );
if ( bEnsureTrailingZero )
reqSize += sizeof( sal_Int8 );
// initialize the data-transfer helper
refDTransHelper.init( reqSize );
// setup a global memory pointer
CRawHGlobalPtr ptrHGlob( refDTransHelper );
// do the converssion an return
return WideCharToMultiByte( cp_dest,
0,
lpWideCharString,
lenStr,
static_cast< LPSTR >( ptrHGlob.GetMemPtr( ) ),
ptrHGlob.MemSize( ),
NULL,
NULL );
}
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