BIFWriter.h

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/***************************************************************************
 *   Copyright (C) 2005 by Pierre-Henri WUILLEMIN et Christophe GONZALES   *
 *   {prenom.nom}_at_lip6.fr                                               *
 *                                                                         *
 *   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 GUM_BIF_WRITER_H
#define GUM_BIF_WRITER_H

#include <fstream>
#include <iostream>
#include <sstream>
#include <string>

#include <agrum/BN/io/BNWriter.h>

#include <agrum/agrum.h>

namespace gum {

  template < typename GUM_SCALAR >
  class BIFWriter : public BNWriter< GUM_SCALAR > {
    public:
    // ==========================================================================
    // ==========================================================================

    BIFWriter();

    ~BIFWriter() final;


    void write(std::ostream& output, const IBayesNet< GUM_SCALAR >& bn) final;

    void write(const std::string&             filePath,
               const IBayesNet< GUM_SCALAR >& bn) final;

    private:
    // Returns the header of the BIF file.
    std::string __header(const IBayesNet< GUM_SCALAR >& bn);

    // Returns a bloc defining a variable in the BIF format.
    std::string __variableBloc(const DiscreteVariable& var);

    // Returns a bloc defining a variable's CPT in the BIF format.
    std::string __variableCPT(const Potential< GUM_SCALAR >& cpt);

    // Returns the modalities labels of the variables in varsSeq
    std::string
       __variablesLabels(const Sequence< const DiscreteVariable* >& varsSeq,
                         const Instantiation&                       inst);
  };


#ifndef GUM_NO_EXTERN_TEMPLATE_CLASS
  extern template class BIFWriter< double >;
#endif

} /* namespace gum */

#include <agrum/BN/io/BIF/BIFWriter_tpl.h>
#endif   // GUM_BIF_WRITER_H