172 lines
3.7 KiB
C++
172 lines
3.7 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2008-2011 Bruno Lalande, Paris, France.
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// Copyright (c) 2008-2011 Barend Gehrels, Amsterdam, the Netherlands.
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// Copyright (c) 2009-2011 Mateusz Loskot, London, UK.
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// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
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// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_CHECK_HPP
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#define BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_CHECK_HPP
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#include <boost/concept_check.hpp>
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#include <boost/concept/requires.hpp>
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#include <boost/type_traits/is_const.hpp>
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#include <boost/geometry/core/tag.hpp>
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#include <boost/geometry/geometries/concepts/box_concept.hpp>
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#include <boost/geometry/geometries/concepts/linestring_concept.hpp>
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#include <boost/geometry/geometries/concepts/point_concept.hpp>
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#include <boost/geometry/geometries/concepts/polygon_concept.hpp>
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#include <boost/geometry/geometries/concepts/ring_concept.hpp>
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namespace boost { namespace geometry
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{
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#ifndef DOXYGEN_NO_DETAIL
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namespace detail { namespace concept_check
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{
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template <typename Concept>
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class check
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{
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BOOST_CONCEPT_ASSERT((Concept ));
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};
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}} // namespace detail::concept_check
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#endif // DOXYGEN_NO_DETAIL
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#ifndef DOXYGEN_NO_DISPATCH
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namespace dispatch
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{
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template <typename GeometryTag, typename Geometry, bool IsConst>
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struct check
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{};
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template <typename Geometry>
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struct check<point_tag, Geometry, true>
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: detail::concept_check::check<concept::ConstPoint<Geometry> >
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{};
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template <typename Geometry>
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struct check<point_tag, Geometry, false>
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: detail::concept_check::check<concept::Point<Geometry> >
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{};
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template <typename Geometry>
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struct check<linestring_tag, Geometry, true>
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: detail::concept_check::check<concept::ConstLinestring<Geometry> >
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{};
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template <typename Geometry>
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struct check<linestring_tag, Geometry, false>
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: detail::concept_check::check<concept::Linestring<Geometry> >
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{};
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template <typename Geometry>
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struct check<polygon_tag, Geometry, true>
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: detail::concept_check::check<concept::ConstPolygon<Geometry> >
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{};
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template <typename Geometry>
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struct check<polygon_tag, Geometry, false>
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: detail::concept_check::check<concept::Polygon<Geometry> >
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{};
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template <typename Geometry>
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struct check<box_tag, Geometry, true>
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: detail::concept_check::check<concept::ConstBox<Geometry> >
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{};
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template <typename Geometry>
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struct check<box_tag, Geometry, false>
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: detail::concept_check::check<concept::Box<Geometry> >
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{};
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} // namespace dispatch
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#endif
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namespace concept
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{
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#ifndef DOXYGEN_NO_DETAIL
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namespace detail
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{
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template <typename Geometry, bool IsConst>
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struct checker : dispatch::check
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<
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typename tag<Geometry>::type,
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Geometry,
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IsConst
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>
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{};
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}
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#endif // DOXYGEN_NO_DETAIL
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/*!
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\brief Checks, in compile-time, the concept of any geometry
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\ingroup concepts
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*/
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template <typename Geometry>
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inline void check()
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{
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detail::checker<Geometry, boost::is_const<Geometry>::type::value> c;
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boost::ignore_unused_variable_warning(c);
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}
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/*!
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\brief Checks, in compile-time, the concept of two geometries, and if they
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have equal dimensions
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\ingroup concepts
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*/
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template <typename Geometry1, typename Geometry2>
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inline void check_concepts_and_equal_dimensions()
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{
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check<Geometry1>();
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check<Geometry2>();
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assert_dimension_equal<Geometry1, Geometry2>();
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}
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} // namespace concept
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_CHECK_HPP
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