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181 lines
6.4 KiB
C++
181 lines
6.4 KiB
C++
2 years ago
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// Boost.Geometry Index
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//
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// R-tree nodes based on static conversion, storing static-size containers
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//
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// Copyright (c) 2011-2018 Adam Wulkiewicz, Lodz, Poland.
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//
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// This file was modified by Oracle on 2021.
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// Modifications copyright (c) 2021 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_NODE_WEAK_STATIC_HPP
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#define BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_WEAK_STATIC_HPP
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#include <boost/geometry/index/detail/rtree/node/weak_dynamic.hpp>
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#include <boost/geometry/index/detail/varray.hpp>
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namespace boost { namespace geometry { namespace index {
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namespace detail { namespace rtree {
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template <typename Value, typename Parameters, typename Box, typename Allocators>
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struct weak_internal_node<Value, Parameters, Box, Allocators, node_weak_static_tag>
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: public weak_node<Value, Parameters, Box, Allocators, node_weak_static_tag>
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{
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typedef detail::varray<
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rtree::ptr_pair<Box, typename Allocators::node_pointer>,
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Parameters::max_elements + 1
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> elements_type;
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template <typename Alloc>
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inline weak_internal_node(Alloc const&) {}
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elements_type elements;
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};
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template <typename Value, typename Parameters, typename Box, typename Allocators>
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struct weak_leaf<Value, Parameters, Box, Allocators, node_weak_static_tag>
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: public weak_node<Value, Parameters, Box, Allocators, node_weak_static_tag>
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{
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typedef detail::varray<
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Value,
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Parameters::max_elements + 1
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> elements_type;
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template <typename Alloc>
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inline weak_leaf(Alloc const&) {}
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elements_type elements;
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};
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// nodes traits
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template <typename Value, typename Parameters, typename Box, typename Allocators>
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struct node<Value, Parameters, Box, Allocators, node_weak_static_tag>
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{
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typedef weak_node<Value, Parameters, Box, Allocators, node_weak_static_tag> type;
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};
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template <typename Value, typename Parameters, typename Box, typename Allocators>
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struct internal_node<Value, Parameters, Box, Allocators, node_weak_static_tag>
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{
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typedef weak_internal_node<Value, Parameters, Box, Allocators, node_weak_static_tag> type;
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};
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template <typename Value, typename Parameters, typename Box, typename Allocators>
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struct leaf<Value, Parameters, Box, Allocators, node_weak_static_tag>
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{
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typedef weak_leaf<Value, Parameters, Box, Allocators, node_weak_static_tag> type;
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};
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template <typename Value, typename Parameters, typename Box, typename Allocators, bool IsVisitableConst>
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struct visitor<Value, Parameters, Box, Allocators, node_weak_static_tag, IsVisitableConst>
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{
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typedef weak_visitor<Value, Parameters, Box, Allocators, node_weak_static_tag, IsVisitableConst> type;
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};
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// allocators
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template <typename Allocator, typename Value, typename Parameters, typename Box>
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class allocators<Allocator, Value, Parameters, Box, node_weak_static_tag>
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: public detail::rtree::internal_node_alloc<Allocator, Value, Parameters, Box, node_weak_static_tag>::type
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, public detail::rtree::leaf_alloc<Allocator, Value, Parameters, Box, node_weak_static_tag>::type
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{
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typedef detail::rtree::internal_node_alloc
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<
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Allocator, Value, Parameters, Box, node_weak_static_tag
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> internal_node_alloc;
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typedef detail::rtree::leaf_alloc
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<
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Allocator, Value, Parameters, Box, node_weak_static_tag
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> leaf_alloc;
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typedef detail::rtree::node_alloc
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<
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Allocator, Value, Parameters, Box, node_weak_static_tag
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> node_alloc;
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public:
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typedef typename internal_node_alloc::type internal_node_allocator_type;
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typedef typename leaf_alloc::type leaf_allocator_type;
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typedef typename node_alloc::traits::pointer node_pointer;
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private:
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typedef typename boost::container::allocator_traits
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<
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leaf_allocator_type
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>::template rebind_alloc<Value> value_allocator_type;
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typedef boost::container::allocator_traits<value_allocator_type> value_allocator_traits;
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public:
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typedef Allocator allocator_type;
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typedef Value value_type;
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typedef typename value_allocator_traits::reference reference;
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typedef typename value_allocator_traits::const_reference const_reference;
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typedef typename value_allocator_traits::size_type size_type;
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typedef typename value_allocator_traits::difference_type difference_type;
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typedef typename value_allocator_traits::pointer pointer;
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typedef typename value_allocator_traits::const_pointer const_pointer;
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inline allocators()
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: internal_node_allocator_type()
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, leaf_allocator_type()
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{}
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template <typename Alloc>
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inline explicit allocators(Alloc const& alloc)
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: internal_node_allocator_type(alloc)
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, leaf_allocator_type(alloc)
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{}
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inline allocators(BOOST_FWD_REF(allocators) a)
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: internal_node_allocator_type(boost::move(a.internal_node_allocator()))
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, leaf_allocator_type(boost::move(a.leaf_allocator()))
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{}
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inline allocators & operator=(BOOST_FWD_REF(allocators) a)
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{
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internal_node_allocator() = ::boost::move(a.internal_node_allocator());
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leaf_allocator() = ::boost::move(a.leaf_allocator());
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return *this;
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}
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#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
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inline allocators & operator=(allocators const& a)
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{
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internal_node_allocator() = a.internal_node_allocator();
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leaf_allocator() = a.leaf_allocator();
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return *this;
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}
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#endif
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void swap(allocators & a)
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{
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boost::swap(internal_node_allocator(), a.internal_node_allocator());
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boost::swap(leaf_allocator(), a.leaf_allocator());
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}
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bool operator==(allocators const& a) const { return leaf_allocator() == a.leaf_allocator(); }
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template <typename Alloc>
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bool operator==(Alloc const& a) const { return leaf_allocator() == leaf_allocator_type(a); }
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Allocator allocator() const { return Allocator(leaf_allocator()); }
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internal_node_allocator_type & internal_node_allocator() { return *this; }
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internal_node_allocator_type const& internal_node_allocator() const { return *this; }
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leaf_allocator_type & leaf_allocator() { return *this; }
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leaf_allocator_type const& leaf_allocator() const{ return *this; }
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};
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}} // namespace detail::rtree
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}}} // namespace boost::geometry::index
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#endif // BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_WEAK_STATIC_HPP
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