interfaceGraph.h

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/***************************************************************************
 *   Copyright (C) 2005 by Christophe GONZALES and Pierre-Henri WUILLEMIN  *
 *   {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_INTERFACE_GRAPH_H
#define GUM_INTERFACE_GRAPH_H

#include <list>
#include <sstream>
#include <string>

#include <agrum/PRM/PRM.h>
#include <agrum/core/hashTable.h>
#include <agrum/graphs/undiGraph.h>

namespace gum {
  namespace prm {
    template < typename GUM_SCALAR >
    class GSpan;

    namespace gspan {

      struct LabelData {
        LabelData();
        LabelData(const LabelData& from);
        ~LabelData();
        Idx id;
        std::string l;
        Size tree_width;
        bool operator==(const LabelData& from) const;
        bool operator!=(const LabelData& from) const;
      };

      std::ostream& operator<<(std::ostream& out, const LabelData& data);

      template < typename GUM_SCALAR >
      class NodeData {
        public:
        NodeData< GUM_SCALAR >();
        NodeData< GUM_SCALAR >(const NodeData< GUM_SCALAR >& from);
        ~NodeData< GUM_SCALAR >();
        PRMInstance< GUM_SCALAR >* n;
        LabelData* l;
        bool operator==(const NodeData< GUM_SCALAR >& from) const;
        bool operator!=(const NodeData< GUM_SCALAR >& from) const;
      };

      template < typename GUM_SCALAR >
      std::ostream& operator<<(std::ostream&                 out,
                               const NodeData< GUM_SCALAR >& data);

      template < typename GUM_SCALAR >
      class EdgeData {
        public:
        EdgeData();
        EdgeData(const EdgeData< GUM_SCALAR >& from);
        ~EdgeData();
        PRMInstance< GUM_SCALAR >* u;
        LabelData* l_u;
        PRMInstance< GUM_SCALAR >* v;
        LabelData* l_v;
        LabelData* l;
        bool operator==(const EdgeData< GUM_SCALAR >& from) const;
        bool operator!=(const EdgeData< GUM_SCALAR >& from) const;
      };

      template < typename GUM_SCALAR >
      std::ostream& operator<<(std::ostream&                 out,
                               const EdgeData< GUM_SCALAR >& data);

      template < typename GUM_SCALAR >
      class InterfaceGraph {
        friend class gum::prm::GSpan< GUM_SCALAR >;

        public:
        explicit InterfaceGraph(const PRMSystem< GUM_SCALAR >& sys);

        InterfaceGraph(const InterfaceGraph& source);

        InterfaceGraph& operator=(const InterfaceGraph& source);

        ~InterfaceGraph();

        UndiGraph& graph();

        const UndiGraph& graph() const;

        Bijection< Idx, LabelData* >& labels();

        const Bijection< Idx, LabelData* >& labels() const;

        Size size(const LabelData* l) const;

        Set< NodeData< GUM_SCALAR >* >& nodes(const LabelData* l);

        const Set< NodeData< GUM_SCALAR >* >& nodes(const LabelData* l) const;

        Set< EdgeData< GUM_SCALAR >* >& edges(const LabelData* l);

        const Set< EdgeData< GUM_SCALAR >* >& edges(const LabelData* l) const;

        LabelData* label(Idx id);

        NodeId id(const PRMInstance< GUM_SCALAR >& i) const;

        NodeId id(const PRMInstance< GUM_SCALAR >* i) const;

        NodeData< GUM_SCALAR >& node(const PRMInstance< GUM_SCALAR >* i);

        const NodeData< GUM_SCALAR >&
           node(const PRMInstance< GUM_SCALAR >* i) const;

        NodeData< GUM_SCALAR >& node(NodeId id);

        const NodeData< GUM_SCALAR >& node(NodeId id) const;

        EdgeData< GUM_SCALAR >& edge(NodeId u, NodeId v);

        const EdgeData< GUM_SCALAR >& edge(NodeId u, NodeId v) const;

        private:
        const PRMSystem< GUM_SCALAR >* __sys;

        UndiGraph __graph;

        NodeProperty< NodeData< GUM_SCALAR >* > __nodes;

        HashTable< PRMInstance< GUM_SCALAR >*, NodeId > __idMap;

        EdgeProperty< EdgeData< GUM_SCALAR >* > __edges;

        Bijection< Idx, LabelData* >* __labels;

        HashTable< LabelData*, Set< NodeData< GUM_SCALAR >* >* > __nodeMap;

        HashTable< LabelData*, Set< EdgeData< GUM_SCALAR >* >* > __edgeMap;

        Idx __counter;

        bool __erase_flag;

        void __label(NodeData< GUM_SCALAR >*               node,
                     HashTable< std::string, LabelData* >& label_map);

        void __label(EdgeData< GUM_SCALAR >*               edge,
                     HashTable< std::string, LabelData* >& label_map);
      };


#ifndef GUM_NO_EXTERN_TEMPLATE_CLASS
#  ifndef GUM_NO_EXTERN_TEMPLATE_CLASS
#    ifndef GUM_NO_EXTERN_TEMPLATE_CLASS
      extern template class NodeData< double >;
#    endif
#  endif
#endif
#ifndef GUM_NO_EXTERN_TEMPLATE_CLASS
#  ifndef GUM_NO_EXTERN_TEMPLATE_CLASS
#    ifndef GUM_NO_EXTERN_TEMPLATE_CLASS
      extern template class EdgeData< double >;
#    endif
#  endif
#endif
#ifndef GUM_NO_EXTERN_TEMPLATE_CLASS
#  ifndef GUM_NO_EXTERN_TEMPLATE_CLASS
#    ifndef GUM_NO_EXTERN_TEMPLATE_CLASS
      extern template class InterfaceGraph< double >;
#    endif
#  endif
#endif


    } /* namespace gspan */
  }   /* namespace prm */
} /* namespace gum */

#include <agrum/PRM/gspan/interfaceGraph_tpl.h>

#endif /* GUM_INTERFACE_GRAPH_H */