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1 | // Boost.Geometry Index | |
2 | // | |
3 | // R-tree scoped deallocator | |
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_NODE_SCOPED_DEALLOCATOR_HPP | |
12 | #define BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_SCOPED_DEALLOCATOR_HPP | |
13 | ||
14 | namespace boost { namespace geometry { namespace index { | |
15 | ||
16 | namespace detail { namespace rtree { | |
17 | ||
18 | template <typename Alloc> | |
19 | class scoped_deallocator | |
20 | { | |
21 | scoped_deallocator(scoped_deallocator const&); | |
22 | scoped_deallocator & operator=(scoped_deallocator const&); | |
23 | public: | |
24 | typedef typename Alloc::pointer pointer; | |
25 | inline scoped_deallocator(pointer p, Alloc & a) | |
26 | : m_ptr(p), m_alloc(a) | |
27 | {} | |
28 | inline ~scoped_deallocator() | |
29 | { | |
30 | if ( m_ptr ) | |
31 | { | |
32 | boost::container::allocator_traits<Alloc>::deallocate(m_alloc, m_ptr, 1); | |
33 | } | |
34 | } | |
35 | inline void release() | |
36 | { | |
37 | m_ptr = 0; | |
38 | } | |
39 | private: | |
40 | pointer m_ptr; | |
41 | Alloc & m_alloc; | |
42 | }; | |
43 | ||
44 | }} // namespace detail::rtree | |
45 | ||
46 | }}} // namespace boost::geometry::index | |
47 | ||
48 | #endif // BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_SCOPED_DEALLOCATOR_HPP |