1 // -*- C++ -*- 2 3 // Copyright (C) 2005-2021 Free Software Foundation, Inc. 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 8 // Foundation; either version 3, or (at your option) any later 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 17 // along with this library; see the file COPYING3. If not see 18 // <http://www.gnu.org/licenses/>. 19 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_map.hpp 34 * Contains an adapter to TR1 unordered containers. 35 */ 36 37 #ifndef PB_DS_NATIVE_HASH_MAP_HPP 38 #define PB_DS_NATIVE_HASH_MAP_HPP 39 40 #include <string> 41 #include <ext/pb_ds/detail/type_utils.hpp> 42 #include <ext/pb_ds/detail/standard_policies.hpp> 43 #include <native_type/native_hash_tag.hpp> 44 #include <io/xml.hpp> 45 #include <tr1/unordered_map> 46 47 namespace __gnu_pbds 48 { 49 namespace test 50 { 51 #define PB_DS_BASE_C_DEC \ 52 std::tr1::__unordered_map<Key, Data, Hash_Fn, Eq_Fn, \ 53 typename _Alloc::template rebind<std::pair<const Key, Data> >::other, Cache_Hash> 54 55 template<typename Key, 56 typename Data, 57 size_t Init_Size = 8, 58 typename Hash_Fn = typename __gnu_pbds::detail::default_hash_fn<Key>::type, 59 typename Eq_Fn = std::equal_to<Key>, 60 typename Less_Fn = std::less<Key>, 61 typename _Alloc = std::allocator<char>, bool Cache_Hash = false 62 > 63 class native_hash_map : public PB_DS_BASE_C_DEC 64 { 65 private: 66 typedef PB_DS_BASE_C_DEC base_type; 67 68 public: 69 typedef native_hash_tag container_category; 70 71 public: native_hash_map()72 native_hash_map() : base_type(Init_Size) { } 73 74 template<typename It> native_hash_map(It f,It l)75 native_hash_map(It f, It l) : base_type(f, l) { } 76 77 static std::string name()78 name() 79 { 80 return std::string("n_hash_map_") 81 + (Cache_Hash ? std::string("cah") : std::string("ncah")); 82 } 83 84 static std::string desc()85 desc() 86 { 87 const std::string cache_hash_desc = 88 make_xml_tag("cache_hash_code", 89 "value", 90 (Cache_Hash ? std::string("true") : std::string("false"))); 91 92 return make_xml_tag("type", "value", "std_tr1_unordered_map", 93 cache_hash_desc); 94 } 95 }; 96 97 #undef PB_DS_BASE_C_DEC 98 99 } // namespace test 100 } // namespace __gnu_pbds 101 102 #endif 103 104