hoa.hh

// -*- coding: utf-8 -*-
// Copyright (C) by the Spot authors, see the AUTHORS file for details.
//
// This file is part of Spot, a model checking library.
//
// Spot 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.
//
// Spot 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/>.
 
#pragma once
 
#include <iosfwd>
#include <spot/misc/common.hh>
#include <spot/twa/fwd.hh>
#include <vector>
#include <unordered_map>
#include <utility>
#include <functional>
#include <bddx.h>
 
namespace spot
{
  SPOT_API std::ostream&
  print_hoa(std::ostream& os,
            const const_twa_ptr& g,
            const char* opt = nullptr);
 
  SPOT_API std::vector<std::pair<std::string, bdd>>*
  get_aliases(const const_twa_ptr& g);
 
  SPOT_API void
  set_aliases(twa_ptr g,
              const std::vector<std::pair<std::string, bdd>>& aliases);
 
  class SPOT_API hoa_alias_formater final
  {
  public:
    typedef std::vector<std::pair<std::string, bdd>> aliases_t;
  private:
    aliases_t* aliases_;
    std::unordered_map<int, unsigned> aliases_map_;
    std::vector<std::pair<bdd, unsigned>> alias_cubes_;
    const char* false_str_;
    const char* true_str_;
    const char* or_str_;
    const char* and_str_;
    const char* not_str_;
    const char* lpar_str_;
    const char* rpar_str_;
    std::function<std::string(int)> ap_printer_;
  public:
    hoa_alias_formater(const const_twa_graph_ptr& aut,
                       const char* false_str,
                       const char* true_str,
                       const char* or_str,
                       const char* and_str,
                       const char* not_str,
                       const char* lpar_str,
                       const char* rpar_str,
                       std::function<std::string(int)> ap_printer);
 
    std::string
    encode_label(bdd label, unsigned aliases_start = 0);
 
    aliases_t* aliases()
    {
      return aliases_;
    }
  };
 
  SPOT_API void
  create_alias_basis(const twa_graph_ptr& aut);
 
}