Chris@16: // Boost.Geometry Index
Chris@16: //
Chris@16: // Pairs intended to be used internally in nodes.
Chris@16: //
Chris@16: // Copyright (c) 2011-2013 Adam Wulkiewicz, Lodz, Poland.
Chris@16: //
Chris@16: // Use, modification and distribution is subject to the Boost Software License,
Chris@16: // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: #ifndef BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_PAIRS_HPP
Chris@16: #define BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_PAIRS_HPP
Chris@16: 
Chris@16: #include <boost/move/move.hpp>
Chris@16: 
Chris@16: namespace boost { namespace geometry { namespace index {
Chris@16: 
Chris@16: namespace detail { namespace rtree {
Chris@16: 
Chris@16: template <typename First, typename Pointer>
Chris@16: class ptr_pair
Chris@16: {
Chris@16: public:
Chris@16:     typedef First first_type;
Chris@16:     typedef Pointer second_type;
Chris@16:     ptr_pair(First const& f, Pointer s) : first(f), second(s) {}
Chris@16:     //ptr_pair(ptr_pair const& p) : first(p.first), second(p.second) {}
Chris@16:     //ptr_pair & operator=(ptr_pair const& p) { first = p.first; second = p.second; return *this; }
Chris@16: 
Chris@16:     first_type first;
Chris@16:     second_type second;
Chris@16: };
Chris@16: 
Chris@16: template <typename First, typename Pointer> inline
Chris@16: ptr_pair<First, Pointer>
Chris@16: make_ptr_pair(First const& f, Pointer s)
Chris@16: {
Chris@16:     return ptr_pair<First, Pointer>(f, s);
Chris@16: }
Chris@16: 
Chris@16: // TODO: It this will be used, rename it to unique_ptr_pair and possibly use unique_ptr.
Chris@16: 
Chris@16: template <typename First, typename Pointer>
Chris@16: class exclusive_ptr_pair
Chris@16: {
Chris@16:     BOOST_MOVABLE_BUT_NOT_COPYABLE(exclusive_ptr_pair)
Chris@16: public:
Chris@16:     typedef First first_type;
Chris@16:     typedef Pointer second_type;
Chris@16:     exclusive_ptr_pair(First const& f, Pointer s) : first(f), second(s) {}
Chris@16: 
Chris@16:     // INFO - members aren't really moved!
Chris@16:     exclusive_ptr_pair(BOOST_RV_REF(exclusive_ptr_pair) p) : first(p.first), second(p.second) { p.second = 0; }
Chris@16:     exclusive_ptr_pair & operator=(BOOST_RV_REF(exclusive_ptr_pair) p) { first = p.first; second = p.second; p.second = 0; return *this; }
Chris@16: 
Chris@16:     first_type first;
Chris@16:     second_type second;
Chris@16: };
Chris@16: 
Chris@16: template <typename First, typename Pointer> inline
Chris@16: exclusive_ptr_pair<First, Pointer>
Chris@16: make_exclusive_ptr_pair(First const& f, Pointer s)
Chris@16: {
Chris@16:     return exclusive_ptr_pair<First, Pointer>(f, s);
Chris@16: }
Chris@16: 
Chris@16: }} // namespace detail::rtree
Chris@16: 
Chris@16: }}} // namespace boost::geometry::index
Chris@16: 
Chris@16: #endif // BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_PAIRS_HPP