/* * 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. */ /* * $Id: IconvGNUTransService.hpp 568078 2007-08-21 11:43:25Z amassari $ */ #ifndef ICONVGNUTRANSSERVICE_HPP #define ICONVGNUTRANSSERVICE_HPP #include #include XERCES_CPP_NAMESPACE_BEGIN // --------------------------------------------------------------------------- // Libiconv wrapper (low-level conversion utilities collection) // --------------------------------------------------------------------------- class XMLUTIL_EXPORT IconvGNUWrapper { public: // ----------------------------------------------------------------------- // Constructors and Destructor // ----------------------------------------------------------------------- IconvGNUWrapper ( iconv_t cd_from, iconv_t cd_to, size_t uchsize, unsigned int ubo ); virtual ~IconvGNUWrapper(); // Convert "native unicode" character into XMLCh void mbcToXMLCh (const char *mbc, XMLCh *toRet) const; // Convert XMLCh into "native unicode" character void xmlChToMbc (XMLCh xch, char *mbc) const; // Return uppercase equivalent for XMLCh XMLCh toUpper (const XMLCh ch) const; // Return uppercase equivalent for XMLCh XMLCh toLower (const XMLCh ch) const; // Check if passed characters belongs to the :space: class virtual bool isSpace(const XMLCh toCheck) const; // Fill array of XMLCh characters with data, supplyed in the array // of "native unicode" characters. XMLCh* mbsToXML ( const char* mbs_str, size_t mbs_cnt, XMLCh* xml_str, size_t xml_cnt ) const; // Fill array of "native unicode" characters with data, supplyed // in the array of XMLCh characters. char* xmlToMbs ( const XMLCh* xml_str, size_t xml_cnt, char* mbs_str, size_t mbs_cnt ) const; // Wrapper aroung the iconv() for transcoding from the local charset size_t iconvFrom ( const char *fromPtr, size_t *fromLen, char **toPtr, size_t toLen ) const; // Wrapper aroung the iconv() for transcoding to the local charset size_t iconvTo ( const char *fromPtr, size_t *fromLen, char **toPtr, size_t toLen ) const; // Private data accessors inline iconv_t cdTo () const { return fCDTo; } inline iconv_t cdFrom () const { return fCDFrom; } inline size_t uChSize () const { return fUChSize; } inline unsigned int UBO () const { return fUBO; } protected: // Hiden defaull constructor IconvGNUWrapper(); // Private data accessors inline void setCDTo (iconv_t cd) { fCDTo = cd; } inline void setCDFrom (iconv_t cd) { fCDFrom = cd; } inline void setUChSize (size_t sz) { fUChSize = sz; } inline void setUBO (unsigned int u) { fUBO = u; } private: // ----------------------------------------------------------------------- // Unimplemented constructors and operators // ----------------------------------------------------------------------- IconvGNUWrapper(const IconvGNUWrapper&); IconvGNUWrapper& operator=(const IconvGNUWrapper&); // ----------------------------------------------------------------------- // Private data members // // fCDTo // Characterset conversion descriptor TO the local-host encoding // fCDFrom // Characterset conversion descriptor FROM the local-host encoding // fUChSize // Sizeof the "native unicode" character in bytes // fUBO // "Native unicode" characters byte order // ----------------------------------------------------------------------- size_t fUChSize; unsigned int fUBO; iconv_t fCDTo; iconv_t fCDFrom; }; // --------------------------------------------------------------------------- // FreeBSD-specific Transcoding Service implementation // --------------------------------------------------------------------------- class XMLUTIL_EXPORT IconvGNUTransService : public XMLTransService, IconvGNUWrapper { public : // ----------------------------------------------------------------------- // Constructors and Destructor // ----------------------------------------------------------------------- IconvGNUTransService(); ~IconvGNUTransService(); // ----------------------------------------------------------------------- // Implementation of the virtual transcoding service API // ----------------------------------------------------------------------- virtual int compareIString ( const XMLCh* const comp1 , const XMLCh* const comp2 ); virtual int compareNIString ( const XMLCh* const comp1 , const XMLCh* const comp2 , const unsigned int maxChars ); virtual const XMLCh* getId() const; virtual bool isSpace(const XMLCh toCheck) const; virtual XMLLCPTranscoder* makeNewLCPTranscoder(); virtual bool supportsSrcOfs() const; virtual void upperCase(XMLCh* const toUpperCase) const; virtual void lowerCase(XMLCh* const toUpperCase) const; protected : // ----------------------------------------------------------------------- // Protected virtual methods // ----------------------------------------------------------------------- virtual XMLTranscoder* makeNewXMLTranscoder ( const XMLCh* const encodingName , XMLTransService::Codes& resValue , const unsigned int blockSize , MemoryManager* const manager ); private : // ----------------------------------------------------------------------- // Unimplemented constructors and operators // ----------------------------------------------------------------------- IconvGNUTransService(const IconvGNUTransService&); IconvGNUTransService& operator=(const IconvGNUTransService&); // ----------------------------------------------------------------------- // Private data members // // fUnicodeCP // Unicode encoding schema name // ----------------------------------------------------------------------- const char* fUnicodeCP; }; //---------------------------------------------------------------------------- // Implementation of the transcoders for arbitrary input characterset is // supported ONLY through libiconv interface //---------------------------------------------------------------------------- class XMLUTIL_EXPORT IconvGNUTranscoder : public XMLTranscoder, IconvGNUWrapper { public : // ----------------------------------------------------------------------- // Constructors and Destructor // ----------------------------------------------------------------------- IconvGNUTranscoder(const XMLCh* const encodingName , const unsigned int blockSize , iconv_t cd_from , iconv_t cd_to , size_t uchsize , unsigned int ubo , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); ~IconvGNUTranscoder(); // ----------------------------------------------------------------------- // Implementation of the virtual transcoder interface // ----------------------------------------------------------------------- virtual unsigned int transcodeFrom ( const XMLByte* const srcData , const unsigned int srcCount , XMLCh* const toFill , const unsigned int maxChars , unsigned int& bytesEaten , unsigned char* const charSizes ); virtual unsigned int transcodeTo ( const XMLCh* const srcData , const unsigned int srcCount , XMLByte* const toFill , const unsigned int maxBytes , unsigned int& charsEaten , const UnRepOpts options ); virtual bool canTranscodeTo ( const unsigned int toCheck ) const; private : // ----------------------------------------------------------------------- // Unimplemented constructors and operators // ----------------------------------------------------------------------- IconvGNUTranscoder(); IconvGNUTranscoder(const IconvGNUTranscoder&); IconvGNUTranscoder& operator=(const IconvGNUTranscoder&); }; // --------------------------------------------------------------------------- // GNU-specific XMLCh <-> local (host) characterset transcoder // --------------------------------------------------------------------------- class XMLUTIL_EXPORT IconvGNULCPTranscoder : public XMLLCPTranscoder, IconvGNUWrapper { public : // ----------------------------------------------------------------------- // Constructors and Destructor // ----------------------------------------------------------------------- IconvGNULCPTranscoder ( iconv_t from, iconv_t to, size_t uchsize, unsigned int ubo ); protected: IconvGNULCPTranscoder(); // Unimplemented public: ~IconvGNULCPTranscoder(); // ----------------------------------------------------------------------- // Implementation of the virtual transcoder interface // ----------------------------------------------------------------------- virtual unsigned int calcRequiredSize(const char* const srcText , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); virtual unsigned int calcRequiredSize(const XMLCh* const srcText , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); virtual char* transcode(const XMLCh* const toTranscode); virtual char* transcode(const XMLCh* const toTranscode, MemoryManager* const manager); virtual bool transcode ( const XMLCh* const toTranscode , char* const toFill , const unsigned int maxBytes , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); virtual XMLCh* transcode(const char* const toTranscode); virtual XMLCh* transcode(const char* const toTranscode, MemoryManager* const manager); virtual bool transcode ( const char* const toTranscode , XMLCh* const toFill , const unsigned int maxChars , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); private : // ----------------------------------------------------------------------- // Unimplemented constructors and operators // ----------------------------------------------------------------------- IconvGNULCPTranscoder(const IconvGNULCPTranscoder&); IconvGNULCPTranscoder& operator=(const IconvGNULCPTranscoder&); }; XERCES_CPP_NAMESPACE_END #endif /* ICONVGNUTRANSSERVICE */