// Boost.Geometry Index
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//
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// R-tree node children box calculating visitor implementation
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//
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// Copyright (c) 2011-2015 Adam Wulkiewicz, Lodz, Poland.
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//
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// This file was modified by Oracle on 2019.
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// Modifications copyright (c) 2019 Oracle and/or its affiliates.
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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//
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_GEOMETRY_INDEX_DETAIL_RTREE_VISITORS_CHILDREN_BOX_HPP
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#define BOOST_GEOMETRY_INDEX_DETAIL_RTREE_VISITORS_CHILDREN_BOX_HPP
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namespace boost { namespace geometry { namespace index {
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namespace detail { namespace rtree { namespace visitors {
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template <typename MembersHolder>
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class children_box
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: public MembersHolder::visitor_const
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{
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typedef typename MembersHolder::parameters_type parameters_type;
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typedef typename MembersHolder::translator_type translator_type;
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typedef typename MembersHolder::box_type box_type;
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typedef typename MembersHolder::internal_node internal_node;
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typedef typename MembersHolder::leaf leaf;
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public:
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inline children_box(box_type & result,
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parameters_type const& parameters,
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translator_type const& tr)
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: m_result(result), m_parameters(parameters), m_tr(tr)
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{}
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inline void operator()(internal_node const& n)
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{
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typedef typename rtree::elements_type<internal_node>::type elements_type;
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elements_type const& elements = rtree::elements(n);
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m_result = rtree::elements_box<box_type>(elements.begin(), elements.end(), m_tr,
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index::detail::get_strategy(m_parameters));
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}
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inline void operator()(leaf const& n)
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{
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typedef typename rtree::elements_type<leaf>::type elements_type;
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elements_type const& elements = rtree::elements(n);
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m_result = rtree::values_box<box_type>(elements.begin(), elements.end(), m_tr,
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index::detail::get_strategy(m_parameters));
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}
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private:
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box_type & m_result;
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parameters_type const& m_parameters;
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translator_type const& m_tr;
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};
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}}} // namespace detail::rtree::visitors
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}}} // namespace boost::geometry::index
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#endif // BOOST_GEOMETRY_INDEX_DETAIL_RTREE_VISITORS_CHILDREN_BOX_HPP
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