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1 | // Boost.Geometry Index |
2 | // | |
3 | // R-tree node children box calculating visitor implementation | |
4 | // | |
5 | // Copyright (c) 2011-2015 Adam Wulkiewicz, Lodz, Poland. | |
6 | // | |
7 | // Use, modification and distribution is subject to the Boost Software License, | |
8 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
9 | // http://www.boost.org/LICENSE_1_0.txt) | |
10 | ||
11 | #ifndef BOOST_GEOMETRY_INDEX_DETAIL_RTREE_VISITORS_CHILDREN_BOX_HPP | |
12 | #define BOOST_GEOMETRY_INDEX_DETAIL_RTREE_VISITORS_CHILDREN_BOX_HPP | |
13 | ||
14 | namespace boost { namespace geometry { namespace index { | |
15 | ||
16 | namespace detail { namespace rtree { namespace visitors { | |
17 | ||
18 | template <typename Value, typename Options, typename Translator, typename Box, typename Allocators> | |
19 | class children_box | |
20 | : public rtree::visitor<Value, typename Options::parameters_type, Box, Allocators, typename Options::node_tag, true>::type | |
21 | { | |
22 | typedef typename rtree::internal_node<Value, typename Options::parameters_type, Box, Allocators, typename Options::node_tag>::type internal_node; | |
23 | typedef typename rtree::leaf<Value, typename Options::parameters_type, Box, Allocators, typename Options::node_tag>::type leaf; | |
24 | ||
25 | public: | |
26 | inline children_box(Box & result, Translator const& tr) | |
27 | : m_result(result), m_tr(tr) | |
28 | {} | |
29 | ||
30 | inline void operator()(internal_node const& n) | |
31 | { | |
32 | typedef typename rtree::elements_type<internal_node>::type elements_type; | |
33 | elements_type const& elements = rtree::elements(n); | |
34 | ||
35 | m_result = rtree::elements_box<Box>(elements.begin(), elements.end(), m_tr); | |
36 | } | |
37 | ||
38 | inline void operator()(leaf const& n) | |
39 | { | |
40 | typedef typename rtree::elements_type<leaf>::type elements_type; | |
41 | elements_type const& elements = rtree::elements(n); | |
42 | ||
43 | m_result = rtree::values_box<Box>(elements.begin(), elements.end(), m_tr); | |
44 | } | |
45 | ||
46 | private: | |
47 | Box & m_result; | |
48 | Translator const& m_tr; | |
49 | }; | |
50 | ||
51 | }}} // namespace detail::rtree::visitors | |
52 | ||
53 | }}} // namespace boost::geometry::index | |
54 | ||
55 | #endif // BOOST_GEOMETRY_INDEX_DETAIL_RTREE_VISITORS_CHILDREN_BOX_HPP |