ceph/src/boost/boost/geometry/iterators/detail/point_iterator/iterator_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_ITERATOR_TYPE_HPP
  11 #define BOOST_GEOMETRY_ITERATORS_DETAIL_POINT_ITERATOR_ITERATOR_TYPE_HPP
  12
  13 #include <boost/range.hpp>
  14
  15 #include <boost/geometry/core/tag.hpp>
  16 #include <boost/geometry/core/tags.hpp>
  17
  18 #include <boost/geometry/algorithms/not_implemented.hpp>
  19
  20 #include <boost/geometry/iterators/flatten_iterator.hpp>
  21 #include <boost/geometry/iterators/concatenate_iterator.hpp>
  22
  23 #include <boost/geometry/iterators/detail/point_iterator/inner_range_type.hpp>
  24 #include <boost/geometry/iterators/detail/point_iterator/value_type.hpp>
  25
  26 #include <boost/geometry/iterators/dispatch/point_iterator.hpp>
  27
  28
  29 namespace boost { namespace geometry
  30 {
  31
  32
  33 #ifndef DOXYGEN_NO_DETAIL
  34 namespace detail { namespace point_iterator
  35 {
  36
  37
  38 template <typename Geometry, typename Tag = typename tag<Geometry>::type>
  39 struct iterator_type
  40     : not_implemented<Geometry>
  41 {};
  42
  43
  44
  45
  46 template <typename Linestring>
  47 struct iterator_type<Linestring, linestring_tag>
  48 {
  49     typedef typename boost::range_iterator<Linestring>::type type;
  50 };
  51
  52
  53 template <typename Ring>
  54 struct iterator_type<Ring, ring_tag>
  55 {
  56     typedef typename boost::range_iterator<Ring>::type type;
  57 };
  58
  59
  60 template <typename Polygon>
  61 class iterator_type<Polygon, polygon_tag>
  62 {
  63 private:
  64     typedef typename inner_range_type<Polygon>::type inner_range;
  65
  66 public:
  67     typedef concatenate_iterator
  68         <
  69             typename boost::range_iterator<inner_range>::type,
  70             flatten_iterator
  71                 <
  72                     typename boost::range_iterator
  73                         <
  74                             typename geometry::interior_type<Polygon>::type
  75                         >::type,
  76                     typename iterator_type<inner_range>::type,
  77                     typename value_type<Polygon>::type,
  78                     dispatch::points_begin<inner_range>,
  79                     dispatch::points_end<inner_range>
  80                 >,
  81             typename value_type<Polygon>::type
  82         > type;
  83 };
  84
  85
  86 template <typename MultiPoint>
  87 struct iterator_type<MultiPoint, multi_point_tag>
  88 {
  89     typedef typename boost::range_iterator<MultiPoint>::type type;
  90 };
  91
  92
  93 template <typename MultiLinestring>
  94 class iterator_type<MultiLinestring, multi_linestring_tag>
  95 {
  96 private:
  97     typedef typename inner_range_type<MultiLinestring>::type inner_range;
  98
  99 public:
 100     typedef flatten_iterator
 101         <
 102             typename boost::range_iterator<MultiLinestring>::type,
 103             typename iterator_type<inner_range>::type,
 104             typename value_type<MultiLinestring>::type,
 105             dispatch::points_begin<inner_range>,
 106             dispatch::points_end<inner_range>
 107         > type;
 108 };
 109
 110
 111 template <typename MultiPolygon>
 112 class iterator_type<MultiPolygon, multi_polygon_tag>
 113 {
 114 private:
 115     typedef typename inner_range_type<MultiPolygon>::type inner_range;
 116
 117 public:
 118     typedef flatten_iterator
 119         <
 120             typename boost::range_iterator<MultiPolygon>::type,
 121             typename iterator_type<inner_range>::type,
 122             typename value_type<MultiPolygon>::type,
 123             dispatch::points_begin<inner_range>,
 124             dispatch::points_end<inner_range>
 125         > type;
 126 };
 127
 128
 129 }} // namespace detail::point_iterator
 130 #endif // DOXYGEN_NO_DETAIL
 131
 132
 133 }} // namespace boost::geometry
 134
 135
 136 #endif // BOOST_GEOMETRY_ITERATORS_DETAIL_POINT_ITERATOR_ITERATOR_TYPE_HPP