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
137