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36fed23c 1// -*- C++ -*-
2
fbd26352 3// Copyright (C) 2005-2019 Free Software Foundation, Inc.
36fed23c 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
6bc9506f 8// Foundation; either version 3, or (at your option) any later
36fed23c 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
6bc9506f 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.
36fed23c 19
6bc9506f 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/>.
36fed23c 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/**
4f4a327e 37 * @file bin_search_tree_/traits.hpp
36fed23c 38 * Contains an implementation for bin_search_tree_.
39 */
40
41#ifndef PB_DS_BIN_SEARCH_TREE_NODE_AND_IT_TRAITS_HPP
42#define PB_DS_BIN_SEARCH_TREE_NODE_AND_IT_TRAITS_HPP
43
44#include <ext/pb_ds/detail/bin_search_tree_/point_iterators.hpp>
45#include <ext/pb_ds/detail/bin_search_tree_/node_iterators.hpp>
46
b34535d7 47namespace __gnu_pbds
36fed23c 48{
49 namespace detail
50 {
3f2eba6f 51 /// Binary search tree traits, primary template
52 /// @ingroup traits
36fed23c 53 template<typename Key,
54 typename Mapped,
55 class Cmp_Fn,
4f4a327e 56 template<typename Node_CItr,
57 class Node_Itr,
863ddc12 58 class _Cmp_Fn,
4f4a327e 59 typename _Alloc>
3f2eba6f 60 class Node_Update,
36fed23c 61 class Node,
4f4a327e 62 typename _Alloc>
36fed23c 63 struct bin_search_tree_traits
64 {
65 private:
4f4a327e 66 typedef types_traits<Key, Mapped, _Alloc, false> type_traits;
36fed23c 67
68 public:
69 typedef Node node;
70
71 typedef
72 bin_search_tree_const_it_<
4f4a327e 73 typename _Alloc::template rebind<
36fed23c 74 node>::other::pointer,
75 typename type_traits::value_type,
76 typename type_traits::pointer,
77 typename type_traits::const_pointer,
78 typename type_traits::reference,
79 typename type_traits::const_reference,
80 true,
4f4a327e 81 _Alloc>
82 point_const_iterator;
36fed23c 83
84 typedef
85 bin_search_tree_it_<
4f4a327e 86 typename _Alloc::template rebind<
36fed23c 87 node>::other::pointer,
88 typename type_traits::value_type,
89 typename type_traits::pointer,
90 typename type_traits::const_pointer,
91 typename type_traits::reference,
92 typename type_traits::const_reference,
93 true,
4f4a327e 94 _Alloc>
36fed23c 95 point_iterator;
96
97 typedef
98 bin_search_tree_const_it_<
4f4a327e 99 typename _Alloc::template rebind<
36fed23c 100 node>::other::pointer,
101 typename type_traits::value_type,
102 typename type_traits::pointer,
103 typename type_traits::const_pointer,
104 typename type_traits::reference,
105 typename type_traits::const_reference,
106 false,
4f4a327e 107 _Alloc>
36fed23c 108 const_reverse_iterator;
109
110 typedef
111 bin_search_tree_it_<
4f4a327e 112 typename _Alloc::template rebind<
36fed23c 113 node>::other::pointer,
114 typename type_traits::value_type,
115 typename type_traits::pointer,
116 typename type_traits::const_pointer,
117 typename type_traits::reference,
118 typename type_traits::const_reference,
119 false,
4f4a327e 120 _Alloc>
36fed23c 121 reverse_iterator;
122
3f2eba6f 123 /// This is an iterator to an iterator: it iterates over nodes,
124 /// and de-referencing it returns one of the tree's iterators.
36fed23c 125 typedef
126 bin_search_tree_const_node_it_<
127 Node,
4f4a327e 128 point_const_iterator,
36fed23c 129 point_iterator,
4f4a327e 130 _Alloc>
131 node_const_iterator;
36fed23c 132
133 typedef
134 bin_search_tree_node_it_<
135 Node,
4f4a327e 136 point_const_iterator,
36fed23c 137 point_iterator,
4f4a327e 138 _Alloc>
36fed23c 139 node_iterator;
140
141 typedef
142 Node_Update<
4f4a327e 143 node_const_iterator,
36fed23c 144 node_iterator,
145 Cmp_Fn,
4f4a327e 146 _Alloc>
36fed23c 147 node_update;
148
149 typedef
4f4a327e 150 __gnu_pbds::null_node_update<
151 node_const_iterator,
36fed23c 152 node_iterator,
153 Cmp_Fn,
4f4a327e 154 _Alloc>*
36fed23c 155 null_node_update_pointer;
156 };
157
4f4a327e 158 /// Specialization.
3f2eba6f 159 /// @ingroup traits
36fed23c 160 template<typename Key,
161 class Cmp_Fn,
4f4a327e 162 template<typename Node_CItr,
163 class Node_Itr,
863ddc12 164 class _Cmp_Fn,
4f4a327e 165 typename _Alloc>
3f2eba6f 166 class Node_Update,
36fed23c 167 class Node,
4f4a327e 168 typename _Alloc>
91315195 169 struct
170 bin_search_tree_traits<Key, null_type, Cmp_Fn, Node_Update, Node, _Alloc>
36fed23c 171 {
172 private:
4f4a327e 173 typedef types_traits<Key, null_type, _Alloc, false> type_traits;
36fed23c 174
175 public:
176 typedef Node node;
177
178 typedef
179 bin_search_tree_const_it_<
4f4a327e 180 typename _Alloc::template rebind<
36fed23c 181 node>::other::pointer,
182 typename type_traits::value_type,
183 typename type_traits::pointer,
184 typename type_traits::const_pointer,
185 typename type_traits::reference,
186 typename type_traits::const_reference,
187 true,
4f4a327e 188 _Alloc>
189 point_const_iterator;
36fed23c 190
4f4a327e 191 typedef point_const_iterator point_iterator;
36fed23c 192
193 typedef
194 bin_search_tree_const_it_<
4f4a327e 195 typename _Alloc::template rebind<
36fed23c 196 node>::other::pointer,
197 typename type_traits::value_type,
198 typename type_traits::pointer,
199 typename type_traits::const_pointer,
200 typename type_traits::reference,
201 typename type_traits::const_reference,
202 false,
4f4a327e 203 _Alloc>
36fed23c 204 const_reverse_iterator;
205
206 typedef const_reverse_iterator reverse_iterator;
207
3f2eba6f 208 /// This is an iterator to an iterator: it iterates over nodes,
209 /// and de-referencing it returns one of the tree's iterators.
36fed23c 210 typedef
211 bin_search_tree_const_node_it_<
212 Node,
4f4a327e 213 point_const_iterator,
36fed23c 214 point_iterator,
4f4a327e 215 _Alloc>
216 node_const_iterator;
36fed23c 217
4f4a327e 218 typedef node_const_iterator node_iterator;
36fed23c 219
220 typedef
4f4a327e 221 Node_Update<node_const_iterator, node_iterator, Cmp_Fn, _Alloc>
36fed23c 222 node_update;
223
224 typedef
4f4a327e 225 __gnu_pbds::null_node_update<
226 node_const_iterator,
36fed23c 227 node_iterator,
228 Cmp_Fn,
4f4a327e 229 _Alloc>*
36fed23c 230 null_node_update_pointer;
231 };
232
233 } // namespace detail
b34535d7 234} // namespace __gnu_pbds
36fed23c 235
236#endif // #ifndef PB_DS_BIN_SEARCH_TREE_NODE_AND_IT_TRAITS_HPP
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