1// -*- C++ -*- 2 3// Copyright (C) 2005-2015 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_multimap.hpp 34 * Contains an adapter to std::multimap 35 */ 36 37#ifndef PB_DS_NATIVE_MULTIMAP_HPP 38#define PB_DS_NATIVE_MULTIMAP_HPP 39 40#include <map> 41#include <string> 42#include <ext/pb_ds/detail/type_utils.hpp> 43#include <native_type/native_tree_tag.hpp> 44 45namespace __gnu_pbds 46{ 47 namespace test 48 { 49#define PB_DS_BASE_C_DEC \ 50 std::multimap<Key, Data, Less_Fn, \ 51 typename _Alloc::template rebind<std::pair<const Key, Data> >::other> 52 53 template<typename Key, typename Data, class Less_Fn = std::less<Key>, 54 typename _Alloc = std::allocator<char> > 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 63 typedef _Alloc allocator; 64 65 typedef 66 typename _Alloc::template rebind< 67 std::pair<Key, Data> >::other::const_reference 68 const_reference; 69 70 typedef typename base_type::iterator iterator; 71 typedef typename base_type::const_iterator const_iterator; 72 73 native_multimap() { } 74 75 template<typename It> 76 native_multimap(It f, It l) : base_type(f, l) 77 { } 78 79 inline void 80 insert(const_reference r_val) 81 { 82 typedef std::pair<iterator, iterator> eq_range_t; 83 eq_range_t f = base_type::equal_range(r_val.first); 84 85 iterator it = f.first; 86 while (it != f.second) 87 { 88 if (it->second == r_val.second) 89 return; 90 ++it; 91 } 92 base_type::insert(r_val); 93 } 94 95 inline iterator 96 find(const_reference r_val) 97 { 98 typedef std::pair<iterator, iterator> eq_range_t; 99 eq_range_t f = base_type::equal_range(r_val.first); 100 101 iterator it = f.first; 102 while (it != f.second) 103 { 104 if (it->second == r_val.second) 105 return it; 106 ++it; 107 } 108 109 return base_type::end(); 110 } 111 112 inline const_iterator 113 find(const_reference r_val) const 114 { 115 typedef std::pair<const_iterator, const_iterator> eq_range_t; 116 eq_range_t f = base_type::equal_range(r_val.first); 117 118 const_iterator it = f.first; 119 while (it != f.second) 120 { 121 if (it->second == r_val.second) 122 return it; 123 ++it; 124 } 125 return base_type::end(); 126 } 127 128 static std::string 129 name() 130 { return std::string("n_mmap"); } 131 132 static std::string 133 desc() 134 { return make_xml_tag("type", "value", "std_multimap"); } 135 }; 136 137#undef PB_DS_BASE_C_DEC 138} // namespace test 139 140} // namespace __gnu_pbds 141 142#endif // #ifndef PB_DS_NATIVE_MULTIMAP_HPP 143