boss_unitselection.h

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/* boss_unitselection.h    $Revision: 1.2 $ $Date: 2005/12/10 20:33:54 $
   Copyright (C) 2000 University of Bonn.
   http://www.ikp.uni-bonn.de/boss

   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 BOSS_UNITSELECTION_H
#define BOSS_UNITSELECTION_H

using namespace std;

#include <string>
#include "xercesc/dom/DOM.hpp"
#include "boss_utility/boss_module.h"
#include "boss_utility/boss_config.h"
#include "boss_mysql/boss_mysql_handler.h"
#include "unit_level.h"
#include "boss_node.h"
#include "cost.h"
#include "factory.h"

class BOSS_Unitselection : public BOSS::Module {

        UnitLevel * word;
        UnitLevel * syllable;
        UnitLevel * phone;
        UnitLevel * halfphone;
        
        UnitSelectionFactory * factory;
        Cost * unit_cost;

        string lang;

        // preselection functions
        bool rejectUnit (xercesc::DOMNode* node,
                const MySQL_Result & query_result, const unsigned &pos) const;
        void unitSelect(xercesc::DOMNode * sub_tree, UnitLevel * level);
        void PreSelection(UnitLevel * level,
                const xercesc::DOMNode* unit,
                MySQL_Result & query_result) const;

        // graph functions
        void createUnitGraph(const xercesc::DOMNode * node, UNIT_Graph & unit_graph);
        void shortpath(UNIT_Graph & unit_graph);


public:

        BOSS_Unitselection(BOSS::Config & _cl, MySQL_Handler * _db);
        ~BOSS_Unitselection();
        void operator () (xercesc::DOMNode * sentence);
        virtual string getDescription();

};



extern "C" BOSS::Module * create(BOSS::Config & _cl, MySQL_Handler * _db) {
        return new BOSS_Unitselection(_cl, _db);
}

extern "C" void destroy(BOSS_Unitselection * cm) {
        delete cm;
}
 //end of boss_unitselection group

#endif

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