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/**************************************************************
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
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*************************************************************/
#ifndef SAL_CONVERTER_CACHE_HXX_
#define SAL_CONVERTER_CACHE_HXX_
#include <rtl/tencinfo.h>
#include <rtl/textcvt.h>
#include <unx/salunx.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_ */