ceph/src/boost/boost/geometry/geometries/concepts/check.hpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2
   3 // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
   4 // Copyright (c) 2008-2012 Barend Gehrels, Amsterdam, the Netherlands.
   5 // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
   6
   7 // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
   8 // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
   9
  10 // Use, modification and distribution is subject to the Boost Software License,
  11 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  12 // http://www.boost.org/LICENSE_1_0.txt)
  13
  14
  15 #ifndef BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_CHECK_HPP
  16 #define BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_CHECK_HPP
  17
  18
  19 #include <boost/concept_check.hpp>
  20 #include <boost/concept/requires.hpp>
  21 #include <boost/type_traits/is_const.hpp>
  22 #include <boost/variant/variant_fwd.hpp>
  23
  24 #include <boost/geometry/core/tag.hpp>
  25 #include <boost/geometry/core/tags.hpp>
  26
  27 #include <boost/geometry/geometries/concepts/box_concept.hpp>
  28 #include <boost/geometry/geometries/concepts/linestring_concept.hpp>
  29 #include <boost/geometry/geometries/concepts/multi_point_concept.hpp>
  30 #include <boost/geometry/geometries/concepts/multi_linestring_concept.hpp>
  31 #include <boost/geometry/geometries/concepts/multi_polygon_concept.hpp>
  32 #include <boost/geometry/geometries/concepts/point_concept.hpp>
  33 #include <boost/geometry/geometries/concepts/polygon_concept.hpp>
  34 #include <boost/geometry/geometries/concepts/ring_concept.hpp>
  35 #include <boost/geometry/geometries/concepts/segment_concept.hpp>
  36
  37 #include <boost/geometry/algorithms/not_implemented.hpp>
  38
  39 namespace boost { namespace geometry
  40 {
  41
  42
  43 #ifndef DOXYGEN_NO_DETAIL
  44 namespace detail { namespace concept_check
  45 {
  46
  47 template <typename Concept>
  48 class check
  49 {
  50     BOOST_CONCEPT_ASSERT((Concept ));
  51 };
  52
  53 }} // namespace detail::concept_check
  54 #endif // DOXYGEN_NO_DETAIL
  55
  56
  57
  58 #ifndef DOXYGEN_NO_DISPATCH
  59 namespace dispatch
  60 {
  61
  62 template
  63 <
  64     typename Geometry,
  65     typename GeometryTag = typename geometry::tag<Geometry>::type,
  66     bool IsConst = boost::is_const<Geometry>::type::value
  67 >
  68 struct check : not_implemented<GeometryTag>
  69 {};
  70
  71
  72 template <typename Geometry>
  73 struct check<Geometry, point_tag, true>
  74     : detail::concept_check::check<concepts::ConstPoint<Geometry> >
  75 {};
  76
  77
  78 template <typename Geometry>
  79 struct check<Geometry, point_tag, false>
  80     : detail::concept_check::check<concepts::Point<Geometry> >
  81 {};
  82
  83
  84 template <typename Geometry>
  85 struct check<Geometry, linestring_tag, true>
  86     : detail::concept_check::check<concepts::ConstLinestring<Geometry> >
  87 {};
  88
  89
  90 template <typename Geometry>
  91 struct check<Geometry, linestring_tag, false>
  92     : detail::concept_check::check<concepts::Linestring<Geometry> >
  93 {};
  94
  95
  96 template <typename Geometry>
  97 struct check<Geometry, ring_tag, true>
  98     : detail::concept_check::check<concepts::ConstRing<Geometry> >
  99 {};
 100
 101
 102 template <typename Geometry>
 103 struct check<Geometry, ring_tag, false>
 104     : detail::concept_check::check<concepts::Ring<Geometry> >
 105 {};
 106
 107 template <typename Geometry>
 108 struct check<Geometry, polygon_tag, true>
 109     : detail::concept_check::check<concepts::ConstPolygon<Geometry> >
 110 {};
 111
 112
 113 template <typename Geometry>
 114 struct check<Geometry, polygon_tag, false>
 115     : detail::concept_check::check<concepts::Polygon<Geometry> >
 116 {};
 117
 118
 119 template <typename Geometry>
 120 struct check<Geometry, box_tag, true>
 121     : detail::concept_check::check<concepts::ConstBox<Geometry> >
 122 {};
 123
 124
 125 template <typename Geometry>
 126 struct check<Geometry, box_tag, false>
 127     : detail::concept_check::check<concepts::Box<Geometry> >
 128 {};
 129
 130
 131 template <typename Geometry>
 132 struct check<Geometry, segment_tag, true>
 133     : detail::concept_check::check<concepts::ConstSegment<Geometry> >
 134 {};
 135
 136
 137 template <typename Geometry>
 138 struct check<Geometry, segment_tag, false>
 139     : detail::concept_check::check<concepts::Segment<Geometry> >
 140 {};
 141
 142
 143 template <typename Geometry>
 144 struct check<Geometry, multi_point_tag, true>
 145     : detail::concept_check::check<concepts::ConstMultiPoint<Geometry> >
 146 {};
 147
 148
 149 template <typename Geometry>
 150 struct check<Geometry, multi_point_tag, false>
 151     : detail::concept_check::check<concepts::MultiPoint<Geometry> >
 152 {};
 153
 154
 155 template <typename Geometry>
 156 struct check<Geometry, multi_linestring_tag, true>
 157     : detail::concept_check::check<concepts::ConstMultiLinestring<Geometry> >
 158 {};
 159
 160
 161 template <typename Geometry>
 162 struct check<Geometry, multi_linestring_tag, false>
 163     : detail::concept_check::check<concepts::MultiLinestring<Geometry> >
 164 {};
 165
 166
 167 template <typename Geometry>
 168 struct check<Geometry, multi_polygon_tag, true>
 169     : detail::concept_check::check<concepts::ConstMultiPolygon<Geometry> >
 170 {};
 171
 172
 173 template <typename Geometry>
 174 struct check<Geometry, multi_polygon_tag, false>
 175     : detail::concept_check::check<concepts::MultiPolygon<Geometry> >
 176 {};
 177
 178
 179 } // namespace dispatch
 180 #endif
 181
 182
 183
 184
 185 namespace concepts
 186 {
 187
 188
 189 #ifndef DOXYGEN_NO_DETAIL
 190 namespace detail
 191 {
 192
 193
 194 template <typename Geometry>
 195 struct checker : dispatch::check<Geometry>
 196 {};
 197
 198 template <BOOST_VARIANT_ENUM_PARAMS(typename T)>
 199 struct checker<boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)> >
 200 {};
 201
 202 template <BOOST_VARIANT_ENUM_PARAMS(typename T)>
 203 struct checker<boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)> const>
 204 {};
 205
 206
 207 }
 208 #endif // DOXYGEN_NO_DETAIL
 209
 210
 211 /*!
 212     \brief Checks, in compile-time, the concept of any geometry
 213     \ingroup concepts
 214 */
 215 template <typename Geometry>
 216 inline void check()
 217 {
 218     detail::checker<Geometry> c;
 219     boost::ignore_unused_variable_warning(c);
 220 }
 221
 222
 223 /*!
 224     \brief Checks, in compile-time, the concept of two geometries, and if they
 225         have equal dimensions
 226     \ingroup concepts
 227 */
 228 template <typename Geometry1, typename Geometry2>
 229 inline void check_concepts_and_equal_dimensions()
 230 {
 231     check<Geometry1>();
 232     check<Geometry2>();
 233     assert_dimension_equal<Geometry1, Geometry2>();
 234 }
 235
 236
 237 } // namespace concepts
 238
 239
 240 }} // namespace boost::geometry
 241
 242
 243 #endif // BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_CHECK_HPP