phonetics.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 _PHONETICS
#define _PHONETICS

#include <string>
#include <map>
#include <vector>

#include "processor.h"


class ph_rule {
 public:
  std::wstring from;
  std::wstring to;
  std::wstring env;
};


class rule_set {
 public:
  std::map<std::wstring, std::wstring> Cache;
  std::map<std::wstring,std::wstring> Vars;
  std::vector<ph_rule> Rules;
  
};



class WINDLL phonetics : public processor {

 private:  
  std::vector<rule_set> RuleSets;

  std::map<std::wstring, std::wstring> Exceptions;

  void add_rule(const std::wstring &, const std::wstring &, const std::wstring &);
  void apply_rule(const ph_rule&, std::wstring &) const;
  bool check_cond(const std::wstring &, const std::wstring &, int, const std::wstring &) const;
  
 public:
  phonetics(const std::wstring&);
  
  std::wstring get_sound(const std::wstring &);

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

};

#endif