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1 | // Boost.Geometry (aka GGL, Generic Geometry Library) |
2 | ||
3 | // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands. | |
4 | // Copyright (c) 2008-2012 Bruno Lalande, Paris, France. | |
5 | // Copyright (c) 2009-2012 Mateusz Loskot, London, UK. | |
6 | ||
7 | // This file was modified by Oracle on 2014. | |
8 | // Modifications copyright (c) 2014 Oracle and/or its affiliates. | |
9 | ||
10 | // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library | |
11 | // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands. | |
12 | ||
13 | // Use, modification and distribution is subject to the Boost Software License, | |
14 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
15 | // http://www.boost.org/LICENSE_1_0.txt) | |
16 | ||
17 | // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle | |
18 | ||
19 | #ifndef BOOST_GEOMETRY_VIEWS_DETAIL_NORMALIZED_VIEW_HPP | |
20 | #define BOOST_GEOMETRY_VIEWS_DETAIL_NORMALIZED_VIEW_HPP | |
21 | ||
22 | ||
23 | #include <boost/range/begin.hpp> | |
24 | #include <boost/range/end.hpp> | |
25 | #include <boost/range/iterator.hpp> | |
26 | #include <boost/mpl/if.hpp> | |
27 | #include <boost/type_traits/is_const.hpp> | |
28 | #include <boost/geometry/views/detail/range_type.hpp> | |
29 | #include <boost/geometry/views/reversible_view.hpp> | |
30 | #include <boost/geometry/views/closeable_view.hpp> | |
31 | #include <boost/geometry/util/order_as_direction.hpp> | |
32 | ||
33 | namespace boost { namespace geometry { | |
34 | ||
35 | ||
36 | #ifndef DOXYGEN_NO_DETAIL | |
37 | ||
38 | namespace detail { | |
39 | ||
40 | template <typename Geometry> | |
41 | struct normalized_view | |
42 | { | |
43 | static const bool is_const = boost::is_const<Geometry>::value; | |
44 | ||
45 | //typedef typename ring_type<Geometry>::type ring_type; | |
46 | ||
47 | typedef typename detail::range_type<Geometry>::type range_type; | |
48 | ||
49 | typedef typename | |
50 | boost::mpl::if_c | |
51 | < | |
52 | is_const, | |
53 | range_type const, | |
54 | range_type | |
55 | >::type range; | |
56 | ||
57 | typedef typename | |
58 | reversible_view | |
59 | < | |
60 | range, | |
61 | order_as_direction | |
62 | < | |
63 | geometry::point_order<Geometry>::value | |
64 | >::value | |
65 | >::type reversible_type; | |
66 | ||
67 | typedef typename | |
68 | boost::mpl::if_c | |
69 | < | |
70 | is_const, | |
71 | reversible_type const, | |
72 | reversible_type | |
73 | >::type reversible; | |
74 | ||
75 | typedef typename | |
76 | closeable_view | |
77 | < | |
78 | reversible, | |
79 | geometry::closure<Geometry>::value | |
80 | >::type closeable_type; | |
81 | ||
82 | typedef typename | |
83 | boost::mpl::if_c | |
84 | < | |
85 | is_const, | |
86 | closeable_type const, | |
87 | closeable_type | |
88 | >::type closeable; | |
89 | ||
90 | explicit inline normalized_view(range & r) | |
91 | : m_reversible(r) | |
92 | , m_closeable(m_reversible) | |
93 | {} | |
94 | ||
95 | typedef typename boost::range_iterator<closeable>::type iterator; | |
96 | typedef typename boost::range_const_iterator<closeable>::type const_iterator; | |
97 | ||
98 | inline const_iterator begin() const { return boost::begin(m_closeable); } | |
99 | inline const_iterator end() const { return boost::end(m_closeable); } | |
100 | ||
101 | inline iterator begin() { return boost::begin(m_closeable); } | |
102 | inline iterator end() { return boost::end(m_closeable); } | |
103 | ||
104 | private: | |
105 | reversible_type m_reversible; | |
106 | closeable_type m_closeable; | |
107 | }; | |
108 | ||
109 | } // namespace detail | |
110 | ||
111 | #endif // DOXYGEN_NO_DETAIL | |
112 | ||
113 | ||
114 | }} // namespace boost::geometry | |
115 | ||
116 | ||
117 | #endif // BOOST_GEOMETRY_VIEWS_DETAIL_NORMALIZED_VIEW_HPP |