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171 lines
3.7 KiB
171 lines
3.7 KiB
// 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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