src/XMLtoUtf8.cc

   1 /*
   2  * Copyright (C) 2005, 2006 Ronald Lamprecht
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version 2
   7  * of the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17  *
  18  */
  19
  20 #include "XMLtoUtf8.hh"
  21 #include "main.hh"
  22 #include <xercesc/util/XMLString.hpp>
  23 #include <xercesc/util/TransService.hpp>
  24
  25 XERCES_CPP_NAMESPACE_USE
  26
  27 namespace enigma
  28 {
  29     XMLtoUtf8::XMLtoUtf8(const XMLCh* const toTranscode) {
  30 #if _XERCES_VERSION >= 30000
  31         XMLSize_t srcLength = XMLString::stringLen(toTranscode) + 1;
  32         // make safe assumptions on utf-8 size
  33         XMLSize_t maxDestLength = 3 * srcLength;
  34         XMLSize_t charsEaten;
  35         XMLSize_t destLength;
  36 #else
  37         unsigned int srcLength = XMLString::stringLen(toTranscode) + 1;
  38         // make safe assumptions on utf-8 size
  39         unsigned int maxDestLength = 3 * srcLength;
  40         unsigned int charsEaten;
  41         unsigned int destLength;
  42 #endif
  43         // make a buffer - size does not matter - the object is temporary
  44         utf8String = new char[maxDestLength];
  45         // transcode to utf-8 -- there are no unrepresentable chars
  46         destLength = app.xmlUtf8Transcoder->transcodeTo(toTranscode, srcLength,
  47                 (XMLByte *)utf8String, maxDestLength,
  48                 charsEaten, XMLTranscoder::UnRep_RepChar);
  49         if (charsEaten < srcLength)
  50             // an assert - should never occur
  51             Log << "XMLtoUtf8: incomplete transcoding - only "<< charsEaten <<
  52                     " of " << srcLength << "characters were processed!" << std::endl;
  53     }
  54
  55     XMLtoUtf8::~XMLtoUtf8() {
  56         delete [] utf8String;
  57     }
  58
  59     const char* XMLtoUtf8::c_str() const {
  60         return utf8String;
  61     };
  62 } //namespace enigma
  63