// -*- coding: utf-8 -*-
// Copyright (C) 2011, 2013, 2014 Laboratoire de Recherche et Developpement
// de l'Epita (LRDE)
//
// 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 "misc/common.hh"
#include <iosfwd>
#include "kripke.hh"

namespace spot
{

  /// \ingroup twa_io
  /// \brief Save the reachable part of Kripke structure in text format.
  ///
  /// The states will be named with the value returned by the
  /// kripke::format_state() method.  Such a string can be large, so
  /// the output will not be I/O efficient.  We recommend using this
  /// function only for debugging.  Use
  /// kripke_save_reachable_renumbered() for large output.
  ///
  SPOT_API std::ostream&
  kripke_save_reachable(std::ostream& os, const const_kripke_ptr& k);

  /// \ingroup twa_io
  /// \brief Save the reachable part of Kripke structure in text format.
  ///
  /// States will be renumbered with sequential number.  This is much
  /// more I/O efficient when dumping large Kripke structures with big
  /// state names.  The drawback is that any information carried by
  /// the state name is lost.
  ///
  SPOT_API std::ostream&
  kripke_save_reachable_renumbered(std::ostream& os, const const_kripke_ptr& k);

} // End namespace spot