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