mapnik/include/mapnik/util/container_adapter.hpp

/*****************************************************************************
 *
 * This file is part of Mapnik (c++ mapping toolkit)
 *
 * Copyright (C) 2011 Artem Pavlenko
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 *****************************************************************************/

//$Id$

#ifndef CONTAINER_ADAPTER_HPP
#define CONTAINER_ADAPTER_HPP

// mapnik
#include <mapnik/global.hpp>
#include <mapnik/geometry.hpp>
#include <mapnik/util/vertex_iterator.hpp>

// boost
#include <boost/tuple/tuple.hpp>
#include <boost/spirit/include/karma.hpp>

namespace boost { namespace spirit { namespace traits {

        template <>
        struct is_container<mapnik::geometry_type const> : mpl::true_ {} ;

        template <>
        struct container_iterator<mapnik::geometry_type const>
        {
            typedef mapnik::util::vertex_iterator<double> type;
        };

        template <>
        struct begin_container<mapnik::geometry_type const>
        {
            static mapnik::util::vertex_iterator<double>
            call (mapnik::geometry_type const& g)
            {
                return mapnik::util::vertex_iterator<double>(g.data());
            }
        };

        template <>
        struct end_container<mapnik::geometry_type const>
        {
            static mapnik::util::vertex_iterator<double>
            call (mapnik::geometry_type const& g)
            {
                return mapnik::util::vertex_iterator<double>();
            }
        };

        }}}

#endif // CONTAINER_ADAPTER_HPP