]>
Commit | Line | Data |
---|---|---|
7c673cae FG |
1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // | |
3 | // (C) Copyright Matei David 2014-2014. | |
4 | // (C) Copyright Ion Gaztanaga 2014-2014. | |
5 | // | |
6 | // Distributed under the Boost Software License, Version 1.0. | |
7 | // (See accompanying file LICENSE_1_0.txt or copy at | |
8 | // http://www.boost.org/LICENSE_1_0.txt) | |
9 | // | |
10 | // See http://www.boost.org/libs/intrusive for documentation. | |
11 | // | |
12 | ///////////////////////////////////////////////////////////////////////////// | |
13 | #ifndef BOOST_INTRUSIVE_DETAIL_NONHOOK_NODE_HPP | |
14 | #define BOOST_INTRUSIVE_DETAIL_NONHOOK_NODE_HPP | |
15 | ||
16 | #include <boost/intrusive/detail/config_begin.hpp> | |
17 | #include <boost/intrusive/pointer_traits.hpp> | |
18 | #include <boost/detail/lightweight_test.hpp> | |
19 | #include <boost/static_assert.hpp> | |
20 | #include <boost/intrusive/detail/to_raw_pointer.hpp> | |
21 | #include <boost/intrusive/detail/parent_from_member.hpp> | |
22 | ||
23 | ||
24 | namespace boost{ | |
25 | namespace intrusive{ | |
26 | ||
27 | //This node will only be used in safe or auto unlink modes | |
28 | //so test it's been properly released | |
29 | template < typename NodeTraits, template <typename> class Node_Algorithms > | |
30 | struct nonhook_node_member : public NodeTraits::node | |
31 | { | |
32 | typedef NodeTraits node_traits; | |
33 | typedef typename node_traits::node node; | |
34 | typedef typename node_traits::node_ptr node_ptr; | |
35 | typedef typename node_traits::const_node_ptr const_node_ptr; | |
36 | typedef Node_Algorithms< node_traits > node_algorithms; | |
37 | ||
38 | nonhook_node_member() | |
39 | { | |
40 | node_algorithms::init(pointer_traits<node_ptr>::pointer_to(static_cast< node& >(*this))); | |
41 | } | |
42 | ||
43 | nonhook_node_member(const nonhook_node_member& rhs) | |
44 | { | |
45 | BOOST_TEST(!rhs.is_linked()); | |
46 | *this = rhs; | |
47 | } | |
48 | ||
49 | nonhook_node_member& operator = (const nonhook_node_member& rhs) | |
50 | { | |
51 | BOOST_TEST(!this->is_linked() && !rhs.is_linked()); | |
52 | static_cast< node& >(*this) = rhs; | |
53 | return *this; | |
54 | } | |
55 | ||
56 | ~nonhook_node_member() | |
57 | { | |
58 | BOOST_TEST(!this->is_linked()); | |
59 | node_algorithms::init(pointer_traits<node_ptr>::pointer_to(static_cast< node& >(*this))); | |
60 | } | |
61 | ||
62 | void swap_nodes(nonhook_node_member& other) | |
63 | { | |
64 | node_algorithms::swap_nodes(pointer_traits<node_ptr>::pointer_to(static_cast< node& >(*this)), | |
65 | pointer_traits<node_ptr>::pointer_to(static_cast< node& >(other))); | |
66 | } | |
67 | ||
68 | bool is_linked() const | |
69 | { | |
70 | return !node_algorithms::unique(pointer_traits<const_node_ptr>::pointer_to(static_cast< const node& >(*this))); | |
71 | } | |
72 | }; | |
73 | ||
74 | template < typename T, typename NonHook_Member, NonHook_Member T::* P, link_mode_type Link_Mode > | |
75 | struct nonhook_node_member_value_traits | |
76 | { | |
77 | typedef T value_type; | |
78 | typedef typename NonHook_Member::node_traits node_traits; | |
79 | typedef typename node_traits::node node; | |
80 | typedef typename node_traits::node_ptr node_ptr; | |
81 | typedef typename node_traits::const_node_ptr const_node_ptr; | |
82 | typedef typename pointer_traits<node_ptr>:: | |
83 | template rebind_pointer<T>::type pointer; | |
84 | typedef typename pointer_traits<node_ptr>:: | |
85 | template rebind_pointer<const T>::type const_pointer; | |
86 | typedef T & reference; | |
87 | typedef const T & const_reference; | |
88 | ||
89 | static const link_mode_type link_mode = Link_Mode; | |
90 | ||
91 | BOOST_STATIC_ASSERT((Link_Mode == safe_link || Link_Mode == auto_unlink)); | |
92 | ||
93 | static node_ptr to_node_ptr(reference value) | |
94 | { | |
95 | return pointer_traits<node_ptr>::pointer_to(static_cast<node&>(value.*P)); | |
96 | } | |
97 | ||
98 | static const_node_ptr to_node_ptr(const_reference value) | |
99 | { | |
100 | return pointer_traits<const_node_ptr>::pointer_to(static_cast<const node&>(value.*P)); | |
101 | } | |
102 | ||
103 | static pointer to_value_ptr(node_ptr n) | |
104 | { | |
105 | return pointer_traits<pointer>::pointer_to | |
106 | (*detail::parent_from_member<T, NonHook_Member> | |
107 | (static_cast<NonHook_Member*>(boost::intrusive::detail::to_raw_pointer(n)), P)); | |
108 | } | |
109 | ||
110 | static const_pointer to_value_ptr(const_node_ptr n) | |
111 | { | |
112 | return pointer_traits<const_pointer>::pointer_to | |
113 | (*detail::parent_from_member<T, NonHook_Member> | |
114 | (static_cast<const NonHook_Member*>(boost::intrusive::detail::to_raw_pointer(n)), P)); | |
115 | } | |
116 | }; | |
117 | ||
118 | } | |
119 | } | |
120 | ||
121 | #endif |