C++ (Cpp) KoStore::write Examples

Example #1

File: hancomwordimport.cpp Project: JeremiasE/KFormula

KoFilter::ConversionStatus HancomWordImport::convert( const QByteArray& from, const QByteArray& to )
{
  if ( from != "application/x-hwp" )
    return KoFilter::NotImplemented;

  if ( to != "application/vnd.oasis.opendocument.text" )
    return KoFilter::NotImplemented;

  d->inputFile = m_chain->inputFile();
  d->outputFile = m_chain->outputFile();
  d->paragraphs.clear();

  POLE::Storage storage( QFile::encodeName(d->inputFile) );
  if( !storage.open() )
    return KoFilter::WrongFormat;

  POLE::Stream* stream;
  stream = new POLE::Stream( &storage, "/PrvText" );
  if( stream->fail() || (stream->size() == 0) )
  {
    delete stream;
    return KoFilter::WrongFormat;
  }

  int len = stream->size() / 2;
  QString plaindoc;
  plaindoc.reserve( len );

  unsigned char* buf = new unsigned char [stream->size()];
  stream->read( buf, stream->size());
  for(int i = 0; i < len; i++ )
    plaindoc.append( QChar((int)readU16(buf + i*2) ) );
  delete[] buf;
  delete stream;

  // split into paragraphs
  d->paragraphs = QStringList::split( "\n", plaindoc, true );

  // create output store
  KoStore* storeout;
  storeout = KoStore::createStore( d->outputFile, KoStore::Write,
    "application/vnd.oasis.opendocument.text", KoStore::Zip );

  if ( !storeout )
  {
    kWarning() << "Couldn't open the requested file.";
    return KoFilter::FileNotFound;
  }

  if ( !storeout->open( "styles.xml" ) )
  {
    kWarning() << "Couldn't open the file 'styles.xml'.";
    return KoFilter::CreationError;
  }
  storeout->write( d->createStyles() );
  storeout->close();

  if ( !storeout->open( "content.xml" ) )
  {
    kWarning() << "Couldn't open the file 'content.xml'.";
    return KoFilter::CreationError;
  }
  storeout->write( d->createContent() );
  storeout->close();

  // store document manifest
  storeout->enterDirectory( "META-INF" );
  if ( !storeout->open( "manifest.xml" ) )
  {
     kWarning() << "Couldn't open the file 'META-INF/manifest.xml'.";
     return KoFilter::CreationError;
  }
  storeout->write( d->createManifest() );
  storeout->close();

  // we are done!
  d->inputFile.clear();
  d->outputFile.clear();
  delete storeout;

  return KoFilter::OK;
}

Example #2

File: WPGImport.cpp Project: JeremiasE/KFormula

KoFilter::ConversionStatus WPGImport::convert( const QByteArray& from, const QByteArray& to )
{
  if ( from != "application/x-wpg" )
    return KoFilter::NotImplemented;

  if ( to != "application/vnd.oasis.opendocument.graphics" )
    return KoFilter::NotImplemented;


  WPXInputStream* input = new libwpg::WPGFileStream( m_chain->inputFile().toLocal8Bit() );
  if (input->isOLEStream())
  {
    WPXInputStream* olestream = input->getDocumentOLEStream();
    if (olestream)
    {
      delete input;
      input = olestream;
    }
  }

  if (!libwpg::WPGraphics::isSupported(input))
  {
    std::cerr << "ERROR: Unsupported file format (unsupported version) or file is encrypted!" << std::endl;
    delete input;
    return KoFilter::NotImplemented;
  }

  // do the conversion
  std::ostringstream tmpStringStream;
  FileOutputHandler tmpHandler(tmpStringStream);
  OdgExporter exporter(&tmpHandler);
  libwpg::WPGraphics::parse(input, &exporter);
  delete input;


  // create output store
  KoStore* storeout;
  storeout = KoStore::createStore( m_chain->outputFile(), KoStore::Write,
    "application/vnd.oasis.opendocument.graphics", KoStore::Zip );

  if ( !storeout )
  {
    kWarning() << "Couldn't open the requested file.";
    return KoFilter::FileNotFound;
  }

#if 0
  if ( !storeout->open( "styles.xml" ) )
  {
    kWarning() << "Couldn't open the file 'styles.xml'.";
    return KoFilter::CreationError;
  }
  //storeout->write( createStyles() );
  storeout->close();
#endif

  if ( !storeout->open( "content.xml" ) )
  {
    kWarning() << "Couldn't open the file 'content.xml'.";
    return KoFilter::CreationError;
  }
  storeout->write(tmpStringStream.str().c_str());
  storeout->close();

  // store document manifest
  storeout->enterDirectory( "META-INF" );
  if ( !storeout->open( "manifest.xml" ) )
  {
     kWarning() << "Couldn't open the file 'META-INF/manifest.xml'.";
     return KoFilter::CreationError;
  }
  storeout->write( createManifest() );
  storeout->close();

  // we are done!
  delete storeout;

  return KoFilter::OK;
}