automat.h

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//
//    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 3 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 _AUTOMAT
#define _AUTOMAT

#include <set>

#include "freeling/windll.h"
#include "freeling/morfo/language.h"
#include "freeling/morfo/processor.h"

#define MAX_STATES 100
#define MAX_TOKENS 50


class WINDLL automat : public processor {
 private:
  virtual int ComputeToken(int, sentence::iterator &, sentence &) =0;
  virtual void ResetActions() =0;
  virtual void StateActions(int, int, int, sentence::const_iterator) =0;
  virtual void SetMultiwordAnalysis(sentence::iterator, int) =0;
  virtual bool ValidMultiWord(const word &);

  virtual sentence::iterator BuildMultiword(sentence &,sentence::iterator,sentence::iterator, int, bool &);

 protected:
  int initialState;
  int stopState;
  int trans[MAX_STATES][MAX_TOKENS];
  std::set<int> Final;
  // shift beggining of multiword by N words (in_1982 -> 1982)
  int shiftbegin; 

 public:
  automat();
  virtual ~automat() {};

  bool matching(sentence &, sentence::iterator &);

  void analyze(sentence &);
  void analyze(std::list<sentence> &);
  sentence analyze(const sentence &);
  std::list<sentence> analyze(const std::list<sentence> &);
};

#endif