]>
Commit | Line | Data |
---|---|---|
4569a895 AT |
1 | // -*- C++ -*- |
2 | ||
a945c346 | 3 | // Copyright (C) 2005-2024 Free Software Foundation, Inc. |
4569a895 AT |
4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the terms | |
7 | // of the GNU General Public License as published by the Free Software | |
748086b7 | 8 | // Foundation; either version 3, or (at your option) any later |
4569a895 AT |
9 | // version. |
10 | ||
11 | // This library is distributed in the hope that it will be useful, but | |
12 | // WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | // General Public License for more details. | |
15 | ||
748086b7 JJ |
16 | // Under Section 7 of GPL version 3, you are granted additional |
17 | // permissions described in the GCC Runtime Library Exception, version | |
18 | // 3.1, as published by the Free Software Foundation. | |
19 | ||
20 | // You should have received a copy of the GNU General Public License and | |
21 | // a copy of the GCC Runtime Library Exception along with this program; | |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | // <http://www.gnu.org/licenses/>. | |
4569a895 AT |
24 | |
25 | // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. | |
26 | ||
27 | // Permission to use, copy, modify, sell, and distribute this software | |
28 | // is hereby granted without fee, provided that the above copyright | |
29 | // notice appears in all copies, and that both that copyright notice | |
30 | // and this permission notice appear in supporting documentation. None | |
31 | // of the above authors, nor IBM Haifa Research Laboratories, make any | |
32 | // representation about the suitability of this software for any | |
33 | // purpose. It is provided "as is" without express or implied | |
34 | // warranty. | |
35 | ||
36 | /** | |
a345e45d | 37 | * @file rb_tree_map_/node.hpp |
4569a895 AT |
38 | * Contains an implementation for rb_tree_. |
39 | */ | |
40 | ||
41 | #ifndef PB_DS_RB_TREE_NODE_HPP | |
42 | #define PB_DS_RB_TREE_NODE_HPP | |
43 | ||
a345e45d | 44 | #include <ext/pb_ds/detail/branch_policy/null_node_metadata.hpp> |
4569a895 | 45 | |
5e11f978 | 46 | namespace __gnu_pbds |
4569a895 AT |
47 | { |
48 | namespace detail | |
49 | { | |
a345e45d BK |
50 | /// Node for Red-Black trees. |
51 | template<typename Value_Type, class Metadata, typename _Alloc> | |
4569a895 AT |
52 | struct rb_tree_node_ |
53 | { | |
54 | public: | |
a345e45d BK |
55 | typedef Value_Type value_type; |
56 | typedef Metadata metadata_type; | |
1b24692f | 57 | |
ec541f1b JW |
58 | typedef typename rebind_traits<_Alloc, rb_tree_node_>::pointer |
59 | node_pointer; | |
60 | ||
61 | typedef typename rebind_traits<_Alloc, metadata_type>::reference | |
62 | metadata_reference; | |
63 | ||
64 | typedef typename rebind_traits<_Alloc, metadata_type>::const_reference | |
65 | metadata_const_reference; | |
4569a895 | 66 | |
a345e45d | 67 | bool |
4569a895 | 68 | special() const |
1b24692f | 69 | { return m_red; } |
4569a895 | 70 | |
a345e45d | 71 | metadata_const_reference |
4569a895 | 72 | get_metadata() const |
1b24692f | 73 | { return m_metadata; } |
4569a895 | 74 | |
a345e45d | 75 | metadata_reference |
4569a895 | 76 | get_metadata() |
1b24692f | 77 | { return m_metadata; } |
4569a895 AT |
78 | |
79 | #ifdef PB_DS_BIN_SEARCH_TREE_TRACE_ | |
80 | void | |
81 | trace() const | |
82 | { | |
1b24692f BK |
83 | std::cout << PB_DS_V2F(m_value) <<(m_red? " <r> " : " <b> ") |
84 | << "(" << m_metadata << ")"; | |
4569a895 | 85 | } |
1b24692f | 86 | #endif |
4569a895 | 87 | |
a345e45d BK |
88 | node_pointer m_p_left; |
89 | node_pointer m_p_right; | |
90 | node_pointer m_p_parent; | |
91 | value_type m_value; | |
92 | bool m_red; | |
93 | metadata_type m_metadata; | |
4569a895 AT |
94 | }; |
95 | ||
a345e45d BK |
96 | template<typename Value_Type, typename _Alloc> |
97 | struct rb_tree_node_<Value_Type, null_type, _Alloc> | |
4569a895 AT |
98 | { |
99 | public: | |
a345e45d BK |
100 | typedef Value_Type value_type; |
101 | typedef null_type metadata_type; | |
1b24692f | 102 | |
ec541f1b JW |
103 | typedef typename rebind_traits<_Alloc, rb_tree_node_>::pointer |
104 | node_pointer; | |
4569a895 | 105 | |
a345e45d | 106 | bool |
4569a895 | 107 | special() const |
1b24692f | 108 | { return m_red; } |
4569a895 AT |
109 | |
110 | #ifdef PB_DS_BIN_SEARCH_TREE_TRACE_ | |
111 | void | |
112 | trace() const | |
1b24692f BK |
113 | { std::cout << PB_DS_V2F(m_value) <<(m_red? " <r> " : " <b> "); } |
114 | #endif | |
4569a895 | 115 | |
a345e45d BK |
116 | node_pointer m_p_left; |
117 | node_pointer m_p_right; | |
118 | node_pointer m_p_parent; | |
119 | value_type m_value; | |
120 | bool m_red; | |
4569a895 | 121 | }; |
4569a895 | 122 | } // namespace detail |
5e11f978 | 123 | } // namespace __gnu_pbds |
4569a895 | 124 | |
1b24692f | 125 | #endif |