/* * Copyright 1999-2000,2004 The Apache Software Foundation. *  * Licensed 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 XMLUTF8TRANSCODER_HPP#define XMLUTF8TRANSCODER_HPP#include <xercesc/util/XercesDefs.hpp>#include <xercesc/util/TransService.hpp>#include <xercesc/util/UTFDataFormatException.hpp>XERCES_CPP_NAMESPACE_BEGIN////  This class provides an implementation of the XMLTranscoder interface//  for a simple UTF8 transcoder. The parser does some encodings//  intrinsically without depending upon external transcoding services.//  To make everything more orthagonal, we implement these internal//  transcoders using the same transcoder abstraction as the pluggable//  transcoding services do.//class XMLUTIL_EXPORT XMLUTF8Transcoder : public XMLTranscoder{public :    // -----------------------------------------------------------------------    //  Public constructors and destructor    // -----------------------------------------------------------------------    XMLUTF8Transcoder    (        const   XMLCh* const    encodingName        , const unsigned int    blockSize        , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager    );    virtual ~XMLUTF8Transcoder();    // -----------------------------------------------------------------------    //  Implementation of the XMLTranscoder 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 :    inline void checkTrailingBytes(                                    const XMLByte      toCheck                                  , const unsigned int trailingBytes                                  , const unsigned int position                                         ) const;private :    // -----------------------------------------------------------------------    //  Unimplemented constructors and operators    // -----------------------------------------------------------------------    XMLUTF8Transcoder(const XMLUTF8Transcoder&);    XMLUTF8Transcoder& operator=(const XMLUTF8Transcoder&);};inline void XMLUTF8Transcoder::checkTrailingBytes(const XMLByte      toCheck                                          , const unsigned int trailingBytes                                          , const unsigned int position) const{    if((toCheck & 0xC0) != 0x80)     {        char len[2]  = {(char)(trailingBytes+0x31), 0};        char pos[2]  = {(char)(position+0x31), 0};        char byte[2] = {toCheck,0};        ThrowXMLwithMemMgr3(UTFDataFormatException, XMLExcepts::UTF8_FormatError, pos, byte, len, getMemoryManager());    }}XERCES_CPP_NAMESPACE_END#endif