ceph/src/boost/boost/geometry/iterators/detail/point_iterator/inner_range_type.hpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2
   3 // Copyright (c) 2014, Oracle and/or its affiliates.
   4
   5 // Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
   6
   7 // Licensed under the Boost Software License version 1.0.
   8 // http://www.boost.org/users/license.html
   9
  10 #ifndef BOOST_GEOMETRY_ITERATORS_DETAIL_POINT_ITERATOR_INNER_RANGE_TYPE_HPP
  11 #define BOOST_GEOMETRY_ITERATORS_DETAIL_POINT_ITERATOR_INNER_RANGE_TYPE_HPP
  12
  13 #include <boost/range.hpp>
  14 #include <boost/type_traits/is_const.hpp>
  15 #include <boost/mpl/if.hpp>
  16
  17 #include <boost/geometry/core/ring_type.hpp>
  18 #include <boost/geometry/core/tag.hpp>
  19 #include <boost/geometry/core/tags.hpp>
  20
  21
  22 namespace boost { namespace geometry
  23 {
  24
  25
  26 #ifndef DOXYGEN_NO_DETAIL
  27 namespace detail { namespace point_iterator
  28 {
  29
  30
  31 template
  32 <
  33     typename Geometry,
  34     typename Tag = typename tag<Geometry>::type
  35 >
  36 struct inner_range_type
  37 {
  38     typedef typename boost::mpl::if_c
  39         <
  40             !boost::is_const<Geometry>::type::value,
  41             typename boost::range_value<Geometry>::type,
  42             typename boost::range_value<Geometry>::type const
  43         >::type type;
  44 };
  45
  46
  47 template <typename Polygon>
  48 struct inner_range_type<Polygon, polygon_tag>
  49 {
  50     typedef typename boost::mpl::if_c
  51         <
  52             !boost::is_const<Polygon>::type::value,
  53             typename geometry::ring_type<Polygon>::type,
  54             typename geometry::ring_type<Polygon>::type const
  55         >::type type;
  56 };
  57
  58
  59 }} // namespace detail::point_iterator
  60 #endif // DOXYGEN_NO_DETAIL
  61
  62
  63 }} // namespace boost::geometry
  64
  65
  66 #endif // BOOST_GEOMETRY_ITERATORS_DETAIL_POINT_ITERATOR_INNER_RANGE_TYPE_HPP