Added boost header
This commit is contained in:
Christophe Riccio
324
test/external/boost/geometry/core/access.hpp
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324
test/external/boost/geometry/core/access.hpp
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// 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_CORE_ACCESS_HPP
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#define BOOST_GEOMETRY_CORE_ACCESS_HPP
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#include <cstddef>
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#include <boost/mpl/assert.hpp>
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#include <boost/type_traits/remove_const.hpp>
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#include <boost/concept_check.hpp>
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#include <boost/geometry/core/coordinate_type.hpp>
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#include <boost/geometry/core/point_type.hpp>
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#include <boost/geometry/core/tag.hpp>
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namespace boost { namespace geometry
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{
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/// Index of minimum corner of the box.
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int const min_corner = 0;
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/// Index of maximum corner of the box.
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int const max_corner = 1;
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namespace traits
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{
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/*!
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\brief Traits class which gives access (get,set) to points.
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\ingroup traits
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\par Geometries:
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/// @li point
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\par Specializations should provide, per Dimension
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/// @li static inline T get(G const&)
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/// @li static inline void set(G&, T const&)
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\tparam Geometry geometry-type
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\tparam Dimension dimension to access
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*/
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template <typename Geometry, std::size_t Dimension, typename Enable = void>
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struct access
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{
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BOOST_MPL_ASSERT_MSG
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(
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false, NOT_IMPLEMENTED_FOR_THIS_POINT_TYPE, (types<Geometry>)
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);
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};
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/*!
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\brief Traits class defining "get" and "set" to get
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and set point coordinate values
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\tparam Geometry geometry (box, segment)
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\tparam Index index (min_corner/max_corner for box, 0/1 for segment)
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\tparam Dimension dimension
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\par Geometries:
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- box
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- segment
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\par Specializations should provide:
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- static inline T get(G const&)
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- static inline void set(G&, T const&)
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\ingroup traits
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*/
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template <typename Geometry, std::size_t Index, std::size_t Dimension>
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struct indexed_access {};
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} // namespace traits
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#ifndef DOXYGEN_NO_DISPATCH
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namespace core_dispatch
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{
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template
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<
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typename Tag,
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typename Geometry,
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typename
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CoordinateType, std::size_t Dimension
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>
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struct access
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{
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//static inline T get(G const&) {}
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//static inline void set(G& g, T const& value) {}
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};
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template
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<
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typename Tag,
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typename Geometry,
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typename CoordinateType,
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std::size_t Index,
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std::size_t Dimension
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>
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struct indexed_access
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{
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//static inline T get(G const&) {}
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//static inline void set(G& g, T const& value) {}
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};
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template <typename Point, typename CoordinateType, std::size_t Dimension>
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struct access<point_tag, Point, CoordinateType, Dimension>
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{
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static inline CoordinateType get(Point const& point)
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{
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return traits::access<Point, Dimension>::get(point);
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}
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static inline void set(Point& p, CoordinateType const& value)
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{
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traits::access<Point, Dimension>::set(p, value);
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}
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};
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template
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<
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typename Box,
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typename CoordinateType,
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std::size_t Index,
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std::size_t Dimension
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>
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struct indexed_access<box_tag, Box, CoordinateType, Index, Dimension>
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{
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static inline CoordinateType get(Box const& box)
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{
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return traits::indexed_access<Box, Index, Dimension>::get(box);
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}
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static inline void set(Box& b, CoordinateType const& value)
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{
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traits::indexed_access<Box, Index, Dimension>::set(b, value);
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}
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};
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template
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<
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typename Segment,
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typename CoordinateType,
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std::size_t Index,
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std::size_t Dimension
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>
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struct indexed_access<segment_tag, Segment, CoordinateType, Index, Dimension>
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{
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static inline CoordinateType get(Segment const& segment)
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{
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return traits::indexed_access<Segment, Index, Dimension>::get(segment);
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}
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static inline void set(Segment& segment, CoordinateType const& value)
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{
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traits::indexed_access<Segment, Index, Dimension>::set(segment, value);
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}
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};
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} // namespace core_dispatch
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#endif // DOXYGEN_NO_DISPATCH
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#ifndef DOXYGEN_NO_DETAIL
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namespace detail
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{
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// Two dummy tags to distinguish get/set variants below.
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// They don't have to be specified by the user. The functions are distinguished
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// by template signature also, but for e.g. GCC this is not enough. So give them
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// a different signature.
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struct signature_getset_dimension {};
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struct signature_getset_index_dimension {};
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} // namespace detail
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#endif // DOXYGEN_NO_DETAIL
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/*!
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\brief Get coordinate value of a geometry (usually a point)
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\details \details_get_set
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\ingroup get
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\tparam Dimension \tparam_dimension_required
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\tparam Geometry \tparam_geometry (usually a Point Concept)
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\param geometry \param_geometry (usually a point)
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\param dummy \qbk_skip
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\return The coordinate value of specified dimension of specified geometry
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\qbk{[include reference/core/get_point.qbk]}
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*/
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template <std::size_t Dimension, typename Geometry>
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inline typename coordinate_type<Geometry>::type get(Geometry const& geometry
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, detail::signature_getset_dimension* dummy = 0
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)
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{
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boost::ignore_unused_variable_warning(dummy);
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typedef typename boost::remove_const<Geometry>::type ncg_type;
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typedef core_dispatch::access
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<
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typename tag<Geometry>::type,
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ncg_type,
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typename coordinate_type<ncg_type>::type,
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Dimension
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> coord_access_type;
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return coord_access_type::get(geometry);
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}
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/*!
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\brief Set coordinate value of a geometry (usually a point)
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\details \details_get_set
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\tparam Dimension \tparam_dimension_required
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\tparam Geometry \tparam_geometry (usually a Point Concept)
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\param geometry geometry to assign coordinate to
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\param geometry \param_geometry (usually a point)
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\param value The coordinate value to set
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\param dummy \qbk_skip
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\ingroup set
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\qbk{[include reference/core/set_point.qbk]}
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*/
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template <std::size_t Dimension, typename Geometry>
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inline void set(Geometry& geometry
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, typename coordinate_type<Geometry>::type const& value
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, detail::signature_getset_dimension* dummy = 0
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)
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{
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boost::ignore_unused_variable_warning(dummy);
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typedef typename boost::remove_const<Geometry>::type ncg_type;
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typedef core_dispatch::access
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<
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typename tag<Geometry>::type,
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ncg_type,
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typename coordinate_type<ncg_type>::type,
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Dimension
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> coord_access_type;
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coord_access_type::set(geometry, value);
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}
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/*!
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\brief get coordinate value of a Box or Segment
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\details \details_get_set
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\tparam Index \tparam_index_required
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\tparam Dimension \tparam_dimension_required
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\tparam Geometry \tparam_box_or_segment
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\param geometry \param_geometry
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\param dummy \qbk_skip
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\return coordinate value
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\ingroup get
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\qbk{distinguish,with index}
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\qbk{[include reference/core/get_box.qbk]}
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*/
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template <std::size_t Index, std::size_t Dimension, typename Geometry>
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inline typename coordinate_type<Geometry>::type get(Geometry const& geometry
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, detail::signature_getset_index_dimension* dummy = 0
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)
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{
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boost::ignore_unused_variable_warning(dummy);
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typedef typename boost::remove_const<Geometry>::type ncg_type;
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typedef core_dispatch::indexed_access
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<
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typename tag<Geometry>::type,
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ncg_type,
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typename coordinate_type<ncg_type>::type,
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Index,
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Dimension
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> coord_access_type;
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return coord_access_type::get(geometry);
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}
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/*!
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\brief set coordinate value of a Box / Segment
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\details \details_get_set
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\tparam Index \tparam_index_required
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\tparam Dimension \tparam_dimension_required
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\tparam Geometry \tparam_box_or_segment
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\param geometry geometry to assign coordinate to
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\param geometry \param_geometry
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\param value The coordinate value to set
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\param dummy \qbk_skip
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\ingroup set
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\qbk{distinguish,with index}
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\qbk{[include reference/core/set_box.qbk]}
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*/
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template <std::size_t Index, std::size_t Dimension, typename Geometry>
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inline void set(Geometry& geometry
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, typename coordinate_type<Geometry>::type const& value
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, detail::signature_getset_index_dimension* dummy = 0
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)
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{
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boost::ignore_unused_variable_warning(dummy);
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typedef typename boost::remove_const<Geometry>::type ncg_type;
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typedef core_dispatch::indexed_access
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<
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typename tag<Geometry>::type, ncg_type,
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typename coordinate_type<ncg_type>::type,
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Index,
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Dimension
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> coord_access_type;
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coord_access_type::set(geometry, value);
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}
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_CORE_ACCESS_HPP
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