ms_trait.hpp

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// -*- C++ -*-

// Copyright (C) 2005 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library 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 2, or (at your option)
// any later version.

// This library 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 library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library 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.

// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.

// Permission to use, copy, modify, sell, and distribute this software
// is hereby granted without fee, provided that the above copyright
// notice appears in all copies, and that both that copyright notice and
// this permission notice appear in supporting documentation. None of
// the above authors, nor IBM Haifa Research Laboratories, make any
// representation about the suitability of this software for any
// purpose. It is provided "as is" without express or implied warranty.

/**
 * @file ms_trait.hpp
 * Contains mapping-semantic traits.
 */

#ifndef MS_TRAIT_HPP
#define MS_TRAIT_HPP

#include <ext/pb_assoc/data_type.hpp>
#include <ext/pb_assoc/detail/mapping_level_imp.hpp>

namespace pb_assoc
{
  struct basic_ms_tag
  { };

  struct data_enabled_ms_tag : public basic_ms_tag
  { };

  struct compound_data_enabled_ms_tag : public data_enabled_ms_tag
  { };

#include <ext/pb_assoc/detail/ms_trait_imp.hpp>

#define PB_ASSOC_BASE_C_DEC \
	detail::mapping_semantics_traits<Cntnr, typename Cntnr::ms_category>

  template<typename Cntnr>
    struct ms_traits : private PB_ASSOC_BASE_C_DEC
    {
      enum
	{
	  has_data = PB_ASSOC_BASE_C_DEC::has_data,
	  has_compound_data = PB_ASSOC_BASE_C_DEC::has_compound_data,
	  mapping_level = PB_ASSOC_BASE_C_DEC::mapping_level
      };
  };

#undef PB_ASSOC_BASE_C_DEC

} // namespace pb_assoc

#endif // #ifndef MS_TRAIT_HPP