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36fed23c | 1 | // -*- C++ -*- |
2 | ||
f1717362 | 3 | // Copyright (C) 2005-2016 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 | ||
16 | // You should have received a copy of the GNU General Public License | |
6bc9506f | 17 | // along with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
19 | ||
36fed23c | 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_hash_set.hpp | |
4d76c7df | 34 | * Contains an adapter to TR1 unordered containers. |
36fed23c | 35 | */ |
36 | ||
37 | #ifndef PB_DS_NATIVE_HASH_SET_HPP | |
38 | #define PB_DS_NATIVE_HASH_SET_HPP | |
39 | ||
59ae0c9c | 40 | #include <string> |
41 | #include <ext/pb_ds/detail/type_utils.hpp> | |
36fed23c | 42 | #include <ext/pb_ds/detail/standard_policies.hpp> |
2661beb5 | 43 | #include <native_type/native_hash_tag.hpp> |
36fed23c | 44 | #include <io/xml.hpp> |
36fed23c | 45 | #include <tr1/unordered_set> |
36fed23c | 46 | |
b34535d7 | 47 | namespace __gnu_pbds |
36fed23c | 48 | { |
49 | namespace test | |
50 | { | |
36fed23c | 51 | #define PB_DS_BASE_C_DEC \ |
5494e5d3 | 52 | std::tr1::__unordered_set<Key, Hash_Fn, Eq_Fn, \ |
4f4a327e | 53 | typename _Alloc::template rebind<Key>::other, Cache_Hash> |
36fed23c | 54 | |
55 | template<typename Key, | |
56 | size_t Init_Size = 8, | |
b34535d7 | 57 | typename Hash_Fn = typename __gnu_pbds::detail::default_hash_fn<Key>::type, |
36fed23c | 58 | typename Eq_Fn = std::equal_to<Key>, |
59 | typename Less_Fn = std::less<Key>, | |
4f4a327e | 60 | typename _Alloc = std::allocator<char>, bool Cache_Hash = false |
36fed23c | 61 | > |
62 | class native_hash_set : public PB_DS_BASE_C_DEC | |
63 | { | |
64 | private: | |
65 | typedef PB_DS_BASE_C_DEC base_type; | |
66 | ||
67 | public: | |
68 | typedef native_hash_tag container_category; | |
69 | ||
70 | native_hash_set() : base_type(Init_Size) { } | |
71 | ||
72 | template<typename It> | |
73 | native_hash_set(It f, It l) : base_type(f, l) { } | |
74 | ||
75 | template<typename Pred> | |
76 | inline size_t | |
77 | erase_if(Pred pred) | |
78 | { | |
79 | size_t ersd = 0; | |
80 | bool done = false; | |
81 | while (!done) | |
82 | { | |
83 | typename base_type::iterator b_it = base_type::begin(); | |
84 | typename base_type::iterator e_it = base_type::end(); | |
85 | done = true; | |
86 | while (b_it != e_it) | |
87 | { | |
88 | if (pred(*b_it)) | |
89 | { | |
90 | ++ersd; | |
91 | done = false; | |
92 | base_type::erase(*b_it); | |
93 | b_it = e_it; | |
94 | } | |
95 | else | |
96 | ++b_it; | |
97 | } | |
98 | } | |
99 | return ersd; | |
100 | } | |
101 | ||
102 | static std::string | |
103 | name() | |
104 | { | |
36fed23c | 105 | return std::string("n_hash_set_") |
106 | + (Cache_Hash ? std::string("cah") : std::string("ncah")); | |
36fed23c | 107 | } |
108 | ||
109 | static std::string | |
110 | desc() | |
111 | { | |
36fed23c | 112 | const std::string cache_hash_desc = |
113 | make_xml_tag("cache_hash_code", "value", | |
114 | Cache_Hash ? std::string("true") : std::string("false")); | |
115 | ||
116 | return make_xml_tag("type", "value", "std_tr1_unordered_set", | |
117 | cache_hash_desc); | |
36fed23c | 118 | } |
119 | }; | |
120 | ||
121 | #undef PB_DS_BASE_C_DEC | |
122 | } // namespace test | |
b34535d7 | 123 | } // namespace __gnu_pbds |
36fed23c | 124 | |
125 | #endif |