HfstDataTypes.h

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// Copyright (c) 2016 University of Helsinki                          
//                                                                    
// This library is free software; you can redistribute it and/or      
// modify it under the terms of the GNU Lesser General Public         
// License as published by the Free Software Foundation; either       
// version 3 of the License, or (at your option) any later version.
// See the file COPYING included with this distribution for more      
// information.

#ifndef _HFST_DATA_TYPES_H_
#define _HFST_DATA_TYPES_H_

#if HAVE_CONFIG_H
#  include <config.h>
#endif

#include <string>
#include <iostream>
#include <vector>
#include <map>
#include <set>


namespace hfst
{

  class HfstTransducer;
  class HfstGrammar;
  class HfstInputStream;
  class HfstOutputStream;

  typedef std::vector<HfstTransducer> HfstTransducerVector;

  // ENUMS AND TYPEDEFS...

  enum ImplementationType 
  {
    SFST_TYPE, 
    TROPICAL_OPENFST_TYPE, 
    LOG_OPENFST_TYPE, 
    FOMA_TYPE, 
    XFSM_TYPE, 
    /* Add an enumerator for your transducer type here. */
    //MY_TRANSDUCER_LIBRARY_TYPE, 
    HFST_OL_TYPE, 
    HFST_OLW_TYPE, 
    HFST2_TYPE, 
    UNSPECIFIED_TYPE, 
    ERROR_TYPE 
  };

  const char * implementation_type_to_string(ImplementationType type);
  const char * implementation_type_to_format(ImplementationType type);

  enum PushType
  { 
    TO_INITIAL_STATE ,
    TO_FINAL_STATE 
  };

  typedef std::vector<HfstTransducer> HfstTransducerVector;
 
  typedef std::pair <HfstTransducer,HfstTransducer> HfstTransducerPair;
  typedef std::vector <HfstTransducerPair> HfstTransducerPairVector;

  typedef std::vector<std::string> StringVector;
  typedef std::pair<float, StringVector> HfstOneLevelPath;
  typedef std::set<HfstOneLevelPath> HfstOneLevelPaths;

  typedef std::vector<std::pair<std::string,std::string> > StringPairVector;
  typedef std::pair<float, StringPairVector> HfstTwoLevelPath;
  typedef std::set<HfstTwoLevelPath> HfstTwoLevelPaths;

  namespace implementations {
    template <class C> class HfstTransitionGraph;
    class HfstTropicalTransducerTransitionData;
    typedef HfstTransitionGraph<HfstTropicalTransducerTransitionData> 
      HfstBasicTransducer;
    class HfstFastTransitionData;
    typedef HfstTransitionGraph<HfstFastTransitionData>
      HfstFastTransducer;
    typedef unsigned int HfstState;

    template <class C> class HfstTransition;
    typedef HfstTransition<HfstTropicalTransducerTransitionData> 
      HfstBasicTransition;
    typedef HfstTransition<HfstFastTransitionData>
      HfstFastTransition;

  }

  // ...ENUMS AND TYPEDEFS


}
// vim: set ft=cpp.doxygen: 
#endif