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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: salcvt.hxx,v $
* $Revision: 1.5 $
*
* 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 SAL_CONVERTER_CACHE_HXX_
#define SAL_CONVERTER_CACHE_HXX_
#include <salunx.h>
#include <rtl/tencinfo.h>
#include <rtl/textcvt.h>
#include <map>
extern "C" const char*
pGetEncodingName( rtl_TextEncoding nEncoding );
//
// Cache TextToUnicode and UnicodeToText converter and conversion info which is
// used in DrawXYZ routines and in the Event loop
//
class SalConverterCache {
public:
SalConverterCache();
~SalConverterCache();
Bool EncodingHasChar(
rtl_TextEncoding nEncoding, sal_Unicode nChar );
rtl_UnicodeToTextConverter
GetU2TConverter( rtl_TextEncoding nEncoding );
rtl_TextToUnicodeConverter
GetT2UConverter( rtl_TextEncoding nEncoding );
Bool IsSingleByteEncoding( rtl_TextEncoding nEncoding );
sal_Size ConvertStringUTF16( const sal_Unicode *pText, int nTextLen,
sal_Char *pBuffer, sal_Size nBufferSize,
rtl_TextEncoding nEncoding);
static SalConverterCache*
GetInstance ();
private:
struct ConverterT {
rtl_UnicodeToTextConverter mpU2T;
rtl_TextToUnicodeConverter mpT2U;
Bool mbSingleByteEncoding;
Bool mbValid;
ConverterT() :
mpU2T( NULL ),
mpT2U( NULL ),
mbSingleByteEncoding( False ),
mbValid( False )
{
}
~ConverterT()
{
if( mpU2T )
rtl_destroyUnicodeToTextConverter( mpU2T );
if( mpT2U )
rtl_destroyTextToUnicodeConverter( mpT2U );
}
};
std::map< rtl_TextEncoding, ConverterT > m_aConverters;
};
#endif /* SAL_CONVERTER_CACHE_HXX_ */
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