//////////////////////////////////////////////////////////////////
//
//    FreeLing - Open Source Language Analyzers
//
//    Copyright (C) 2004   TALP Research Center
//                         Universitat Politecnica de Catalunya
//
//    This library 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 2.1 of the License, or (at your option) any later version.
//
//    This library 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 library; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
//    contact: Lluis Padro (padro@lsi.upc.es)
//             TALP Research Center
//             despatx C6.212 - Campus Nord UPC
//             08034 Barcelona.  SPAIN
//
////////////////////////////////////////////////////////////////

#ifndef _CHART_PARSER
#define _CHART_PARSER

#include "fries/language.h"
#include "freeling/grammar.h"
#include "freeling/chart.h"

////////////////////////////////////////////////////////////////
///   Class chart_parser implements a chart parser
////////////////////////////////////////////////////////////////

class chart_parser {

 private:
  /// Part of the rule already matched
  chart ch;
  grammar gram;

 public:
   /// Constructors
   chart_parser(const std::string&);
   /// Get the start symbol of the grammar
   std::string get_start_symbol(void) const;
   /// Parse sentences in list
   void analyze(std::list<sentence> &);
   /// Parse sentences in list, return copy
   std::list<sentence> analyze(const std::list<sentence> &);
};


#endif

