/*
  Copyright 2014 Statoil ASA.

  This file is part of the Open Porous Media project (OPM).

  OPM 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.

  OPM 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 OPM.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef OPM_FACEDIR_HPP
#define OPM_FACEDIR_HPP

#include <string>

namespace Opm {


    namespace FaceDir {

        enum DirEnum {
            Unknown = 0,
            XPlus   = 1,
            XMinus  = 2,
            YPlus   = 4,
            YMinus  = 8,
            ZPlus   = 16,
            ZMinus  = 32
        };
        /**
           The MULTREGTScanner will use these values as bitmaps;
           i.e. it is essential they form a 2^n sequence.
        */


        DirEnum FromString(const std::string& stringValue);
        int     FromMULTREGTString(const std::string& stringValue);
        DirEnum FromIntersectionIndex(int idx);
        int ToIntersectionIndex(DirEnum dir);

        const std::string toString(DirEnum dir);
    }
}

#endif
