somdataxmlreader.h

/***************************************************************************
 *   Copyright (C) 2004 by root                                            *
 *   root@aquiles                                                          *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
#ifndef SOMDATAXMLREADER_H
#define SOMDATAXMLREADER_H

#include "xmlsomreader.h"
#include "Data.h"


class SOMDataXMLReader : public xmlsom::XMLSOMReader {

  public:
  
    SOMDataXMLReader(std::string filename);
    
    virtual SOMData* load() throw(std::exception);

    virtual ~SOMDataXMLReader() {};

  protected:
  
    virtual void processElement(const std::string& name,
                                const std::string& value,
                                const std::map<std::string,std::string>& attrs) 
      throw(std::exception);
    
  private:
    
    SOMData* data;
    
    TMatrix entries;
    
    TvecLabel labels;
    
    int dimension;
    
    int size;
    
    int actualNode;    
    
    int actualWeight;
};



//default constructor
SOMDataXMLReader::SOMDataXMLReader(std::string filename) 
    : xmlsom::XMLSOMReader(filename) {

  dimension = 1;
  size = 1;
  actualNode = 0;    
  actualWeight = 0;
};



//main method, must call XMLReader::doParse()
SOMData* SOMDataXMLReader::load() throw(std::exception) {

  doParse();
  
  data = new SOMData();  
  data->setEntries(entries);
  data->setLabel(labels);
  data->setDataSize(size);
  data->setDimension(dimension);

  return data;
};



//method for elements processing
void SOMDataXMLReader::processElement( const std::string& name,
                                       const std::string& value,
                                       const std::map<std::string,std::string>& attrs ) 
  throw(std::exception) {

  if(name == "size")
    size = atoi(value.c_str());
  
  else if(name == "dimension")
    dimension = atoi(value.c_str());

  else if(name == "data") {
    entries = create_matrix( 1, size, 1, dimension );
  
  } else if(name == "row") {
    ++actualNode;
    actualWeight = 0;
    
  } else if(name == "label")
    labels.push_back(value);  
  
  else if(name == "weight")
    entries[actualNode][actualWeight] = atof(value.c_str());
};



#endif

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