| /************************************************************** |
| * |
| * 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 |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| #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_ */ |
| |