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4569a895 AT |
1 | // -*- C++ -*- |
2 | ||
7adcbafe | 3 | // Copyright (C) 2005-2022 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 | ||
16 | // You should have received a copy of the GNU General Public License | |
748086b7 JJ |
17 | // along with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
4569a895 | 19 | |
4569a895 AT |
20 | |
21 | // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. | |
22 | ||
23 | // Permission to use, copy, modify, sell, and distribute this software | |
24 | // is hereby granted without fee, provided that the above copyright | |
25 | // notice appears in all copies, and that both that copyright notice | |
26 | // and this permission notice appear in supporting documentation. None | |
27 | // of the above authors, nor IBM Haifa Research Laboratories, make any | |
28 | // representation about the suitability of this software for any | |
29 | // purpose. It is provided "as is" without express or implied | |
30 | // warranty. | |
31 | ||
32 | /** | |
33 | * @file native_multimap.hpp | |
0c3de900 | 34 | * Contains an adapter to std::multimap |
4569a895 AT |
35 | */ |
36 | ||
37 | #ifndef PB_DS_NATIVE_MULTIMAP_HPP | |
38 | #define PB_DS_NATIVE_MULTIMAP_HPP | |
39 | ||
40 | #include <map> | |
4569a895 | 41 | #include <string> |
d7f245b1 | 42 | #include <ext/pb_ds/detail/type_utils.hpp> |
2e3f9c21 | 43 | #include <native_type/native_tree_tag.hpp> |
4569a895 | 44 | |
5e11f978 | 45 | namespace __gnu_pbds |
4569a895 | 46 | { |
4569a895 AT |
47 | namespace test |
48 | { | |
d7f245b1 BK |
49 | #define PB_DS_BASE_C_DEC \ |
50 | std::multimap<Key, Data, Less_Fn, \ | |
a345e45d | 51 | typename _Alloc::template rebind<std::pair<const Key, Data> >::other> |
4569a895 AT |
52 | |
53 | template<typename Key, typename Data, class Less_Fn = std::less<Key>, | |
a345e45d | 54 | typename _Alloc = std::allocator<char> > |
4569a895 AT |
55 | class native_multimap : public PB_DS_BASE_C_DEC |
56 | { | |
57 | private: | |
58 | typedef PB_DS_BASE_C_DEC base_type; | |
59 | ||
60 | public: | |
61 | typedef native_tree_tag container_category; | |
62 | ||
a345e45d | 63 | typedef _Alloc allocator; |
4569a895 AT |
64 | |
65 | typedef | |
a345e45d | 66 | typename _Alloc::template rebind< |
d7f245b1 | 67 | std::pair<Key, Data> >::other::const_reference |
4569a895 AT |
68 | const_reference; |
69 | ||
70 | typedef typename base_type::iterator iterator; | |
4569a895 AT |
71 | typedef typename base_type::const_iterator const_iterator; |
72 | ||
d7f245b1 BK |
73 | native_multimap() { } |
74 | ||
75 | template<typename It> | |
76 | native_multimap(It f, It l) : base_type(f, l) | |
77 | { } | |
4569a895 AT |
78 | |
79 | inline void | |
80 | insert(const_reference r_val) | |
81 | { | |
d7f245b1 | 82 | typedef std::pair<iterator, iterator> eq_range_t; |
4569a895 AT |
83 | eq_range_t f = base_type::equal_range(r_val.first); |
84 | ||
d7f245b1 | 85 | iterator it = f.first; |
4569a895 AT |
86 | while (it != f.second) |
87 | { | |
88 | if (it->second == r_val.second) | |
89 | return; | |
4569a895 AT |
90 | ++it; |
91 | } | |
4569a895 AT |
92 | base_type::insert(r_val); |
93 | } | |
94 | ||
95 | inline iterator | |
96 | find(const_reference r_val) | |
97 | { | |
d7f245b1 | 98 | typedef std::pair<iterator, iterator> eq_range_t; |
4569a895 AT |
99 | eq_range_t f = base_type::equal_range(r_val.first); |
100 | ||
d7f245b1 | 101 | iterator it = f.first; |
4569a895 AT |
102 | while (it != f.second) |
103 | { | |
104 | if (it->second == r_val.second) | |
105 | return it; | |
4569a895 AT |
106 | ++it; |
107 | } | |
108 | ||
109 | return base_type::end(); | |
110 | } | |
111 | ||
112 | inline const_iterator | |
113 | find(const_reference r_val) const | |
114 | { | |
d7f245b1 | 115 | typedef std::pair<const_iterator, const_iterator> eq_range_t; |
4569a895 AT |
116 | eq_range_t f = base_type::equal_range(r_val.first); |
117 | ||
d7f245b1 | 118 | const_iterator it = f.first; |
4569a895 AT |
119 | while (it != f.second) |
120 | { | |
121 | if (it->second == r_val.second) | |
122 | return it; | |
4569a895 AT |
123 | ++it; |
124 | } | |
4569a895 AT |
125 | return base_type::end(); |
126 | } | |
f92ab29f | 127 | |
4569a895 AT |
128 | static std::string |
129 | name() | |
d7f245b1 | 130 | { return std::string("n_mmap"); } |
4569a895 AT |
131 | |
132 | static std::string | |
133 | desc() | |
d7f245b1 | 134 | { return make_xml_tag("type", "value", "std_multimap"); } |
4569a895 AT |
135 | }; |
136 | ||
4569a895 | 137 | #undef PB_DS_BASE_C_DEC |
47bea7b8 | 138 | } // namespace test |
4569a895 | 139 | |
5e11f978 | 140 | } // namespace __gnu_pbds |
4569a895 AT |
141 | |
142 | #endif // #ifndef PB_DS_NATIVE_MULTIMAP_HPP |