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adapt mapnik::geometry_type to work with boost::spirit

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This commit is contained in:
Artem Pavlenko 2011-12-08 15:12:56 +00:00
parent b8632c20d4
commit ee404ff8c4
1 changed files with 70 additions and 0 deletions
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include/mapnik/util/spirit_support.hpp Normal file
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/*****************************************************************************
*
* 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 SPIRIT_SUPPORT_HPP
#define SPIRIT_SUPPORT_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 // SPIRIT_SUPPORT_HPP