props.hh

// Copyright (C) 2008, 2009 EPITA Research and Development Laboratory (LRDE)
//
// This file is part of Olena.
//
// Olena 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, version 2 of the License.
//
// Olena 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 Olena.  If not, see <http://www.gnu.org/licenses/>.
//
// As a special exception, you may use this file as part of a free
// software project without restriction.  Specifically, if other files
// instantiate templates or use macros or inline functions from this
// file, or you compile this file and link it with other files to produce
// an executable, this file does not by itself cause the resulting
// executable to be covered by the GNU General Public License.  This
// exception does not however invalidate any other reasons why the
// executable file might be covered by the GNU General Public License.

#ifndef MLN_TRAIT_SITE_SET_PROPS_HH
# define MLN_TRAIT_SITE_SET_PROPS_HH

# include <string>
# include <mln/trait/undef.hh>



//  Properties of site sets.
//  ========================

//  nsites:   /any/
//              |
//              + -- unknown
//              |
//              + -- known

//  bbox:     /any/
//              |
//              + -- unknown
//              |
//              + -- /known/
//                     |
//                     + -- lazy
//                     |
//                     + -- straight

//  contents: /any/
//              |
//              + -- fixed
//              |
//              + -- /dynamic/
//                     |
//                     + -- growing
//                     |
//                     + -- free

//  arity:    /any/
//              |
//              + -- unique
//              |
//              + -- multiple


namespace mln
{

  namespace trait
  {

    namespace site_set
    {


      struct nsites
      {
        struct any { protected: any() {} };

        struct unknown : any { std::string name() const { return "nsites::unknown"; } };

        struct known   : any { std::string name() const { return "nsites::known"; } };
      };


      struct bbox
      {
        struct any { protected: any() {} };

        struct unknown : any { std::string name() const { return "bbox::unknown"; } };

        struct known   : any { protected: known() {} };

        struct lazy     : known { std::string name() const { return "bbox::lazy"; } };

        struct straight : known { std::string name() const { return "bbox::straight"; } };
      };


      struct contents
      {
        struct any { protected: any() {} };
        struct fixed   : any     { std::string name() const { return "contents::fixed"; } };
        struct dynamic : any { protected: dynamic() {} };
        struct growing : dynamic { std::string name() const { return "contents::growing"; } };
        struct free    : dynamic { std::string name() const { return "contents::free"; } };
      };

      struct arity
      {
        struct any { protected: any() {} };
        struct unique   : any { std::string name() const { return "arity::unique"; } };
        struct multiple : any { std::string name() const { return "arity::multiple"; } };
      };


      // FIXME: support = psite::support


    } // end of namespace mln::trait::site_set

  } // end of namespace mln::trait


} // end of namespace mln


#endif // ! MLN_TRAIT_SITE_SET_PROPS_HH