projects / ceph.git / blame
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1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // | |
| 3 | // (C) Copyright Ion Gaztanaga 2006-2013 | |
| 4 | // | |
| 5 | // Distributed under the Boost Software License, Version 1.0. | |
| 6 | // (See accompanying file LICENSE_1_0.txt or copy at | |
| 7 | // http://www.boost.org/LICENSE_1_0.txt) | |
| 8 | // | |
| 9 | // See http://www.boost.org/libs/intrusive for documentation. | |
| 10 | // | |
| 11 | ///////////////////////////////////////////////////////////////////////////// | |
| 12 | ||
| 13 | #ifndef BOOST_INTRUSIVE_TRIVIAL_VALUE_TRAITS_HPP | |
| 14 | #define BOOST_INTRUSIVE_TRIVIAL_VALUE_TRAITS_HPP | |
| 15 | ||
| 16 | #include <boost/intrusive/detail/config_begin.hpp> | |
| 17 | #include <boost/intrusive/detail/workaround.hpp> | |
| 18 | #include <boost/intrusive/intrusive_fwd.hpp> | |
| 19 | #include <boost/intrusive/link_mode.hpp> | |
| 20 | #include <boost/intrusive/pointer_traits.hpp> | |
| 21 | ||
| 22 | #if defined(BOOST_HAS_PRAGMA_ONCE) | |
| 23 | # pragma once | |
| 24 | #endif | |
| 25 | ||
| 26 | namespace boost { | |
| 27 | namespace intrusive { | |
| 28 | ||
| 29 | //!This value traits template is used to create value traits | |
| 30 | //!from user defined node traits where value_traits::value_type and | |
| 31 | //!node_traits::node should be equal | |
| 32 | template<class NodeTraits, link_mode_type LinkMode | |
| 33 | #ifdef BOOST_INTRUSIVE_DOXYGEN_INVOKED | |
| 34 | = safe_link | |
| 35 | #endif | |
| 36 | > | |
| 37 | struct trivial_value_traits | |
| 38 | { | |
| 39 | typedef NodeTraits node_traits; | |
| 40 | typedef typename node_traits::node_ptr node_ptr; | |
| 41 | typedef typename node_traits::const_node_ptr const_node_ptr; | |
| 42 | typedef typename node_traits::node value_type; | |
| 43 | typedef node_ptr pointer; | |
| 44 | typedef const_node_ptr const_pointer; | |
| 45 | static const link_mode_type link_mode = LinkMode; | |
| 46 | BOOST_INTRUSIVE_FORCEINLINE static node_ptr to_node_ptr (value_type &value) | |
| 47 | { return pointer_traits<node_ptr>::pointer_to(value); } | |
| 48 | BOOST_INTRUSIVE_FORCEINLINE static const_node_ptr to_node_ptr (const value_type &value) | |
| 49 | { return pointer_traits<const_node_ptr>::pointer_to(value); } | |
| 50 | BOOST_INTRUSIVE_FORCEINLINE static const pointer & to_value_ptr(const node_ptr &n) { return n; } | |
| 51 | BOOST_INTRUSIVE_FORCEINLINE static const const_pointer &to_value_ptr(const const_node_ptr &n) { return n; } | |
| 52 | }; | |
| 53 | ||
| 54 | } //namespace intrusive | |
| 55 | } //namespace boost | |
| 56 | ||
| 57 | #include <boost/intrusive/detail/config_end.hpp> | |
| 58 | ||
| 59 | #endif //BOOST_INTRUSIVE_TRIVIAL_VALUE_TRAITS_HPP |