history.hh

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// This file is part of Awali.
// Copyright 2016-2021 Sylvain Lombardy, Victor Marsault, Jacques Sakarovitch
//
// Awali is a 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 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, see <http://www.gnu.org/licenses/>.
 
#ifndef AWALI_HISTORY_HH
# define AWALI_HISTORY_HH
 
# include <iostream>
#include<vector>
#include <awali/common/types.hh>
#include <awali/common/enums.hh>
#include <awali/sttc/ctx/traits.hh>
 
namespace awali {
  namespace sttc {
 
 
    //   enum class history_kind_t {
    //     SINGLE, TUPLE, RATEXP, STRING, NO_HISTORY, PARTITION
    //   };
    class history_base {
    public:
 
      virtual std::ostream&
      print_state_name(state_t s, std::ostream& o,
                       const std::string& fmt = "text") const = 0;
 
 
      virtual history_kind_t get_nature() const =0;
 
      virtual bool has_history() {
        return true;
      }
 
      virtual bool has_history(state_t s) const =0;
 
      virtual bool remove_history(state_t s) =0;
 
      template<typename H>
      H& as()
      {
        return dynamic_cast<H&>(*this);
      }
 
      template<typename H>
      H& as() const
      {
        return dynamic_cast<const H&>(*this);
      }
 
      virtual state_t get_state(state_t s) = 0;
      virtual std::vector<state_t> get_state_set(state_t s) = 0;
 
      virtual ~history_base() {}
    };
  }
}//end of ns awali::stc
 
#endif // !AWALI_HISTORY_HH