| // -*- C++ -*- |
| |
| // Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the terms |
| // of the GNU General Public License as published by the Free Software |
| // Foundation; either version 3, or (at your option) any later |
| // version. |
| |
| // This library is distributed in the hope that it will be useful, but |
| // WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| // General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License |
| // along with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| |
| // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. |
| |
| // Permission to use, copy, modify, sell, and distribute this software |
| // is hereby granted without fee, provided that the above copyright |
| // notice appears in all copies, and that both that copyright notice |
| // and this permission notice appear in supporting documentation. None |
| // of the above authors, nor IBM Haifa Research Laboratories, make any |
| // representation about the suitability of this software for any |
| // purpose. It is provided "as is" without express or implied |
| // warranty. |
| |
| /** |
| * @file native_multimap.hpp |
| * Contains an adapter to std::multimap |
| */ |
| |
| #ifndef PB_DS_NATIVE_MULTIMAP_HPP |
| #define PB_DS_NATIVE_MULTIMAP_HPP |
| |
| #include <map> |
| #include <string> |
| #include <ext/pb_ds/detail/type_utils.hpp> |
| #include <native_type/native_tree_tag.hpp> |
| |
| namespace __gnu_pbds |
| { |
| namespace test |
| { |
| #define PB_DS_BASE_C_DEC \ |
| std::multimap<Key, Data, Less_Fn, \ |
| typename Allocator::template rebind<std::pair<const Key, Data> >::other> |
| |
| template<typename Key, typename Data, class Less_Fn = std::less<Key>, |
| class Allocator = std::allocator<char> > |
| class native_multimap : public PB_DS_BASE_C_DEC |
| { |
| private: |
| typedef PB_DS_BASE_C_DEC base_type; |
| |
| public: |
| typedef native_tree_tag container_category; |
| |
| typedef Allocator allocator; |
| |
| typedef |
| typename Allocator::template rebind< |
| std::pair<Key, Data> >::other::const_reference |
| const_reference; |
| |
| typedef typename base_type::iterator iterator; |
| typedef typename base_type::const_iterator const_iterator; |
| |
| native_multimap() { } |
| |
| template<typename It> |
| native_multimap(It f, It l) : base_type(f, l) |
| { } |
| |
| inline void |
| insert(const_reference r_val) |
| { |
| typedef std::pair<iterator, iterator> eq_range_t; |
| eq_range_t f = base_type::equal_range(r_val.first); |
| |
| iterator it = f.first; |
| while (it != f.second) |
| { |
| if (it->second == r_val.second) |
| return; |
| ++it; |
| } |
| base_type::insert(r_val); |
| } |
| |
| inline iterator |
| find(const_reference r_val) |
| { |
| typedef std::pair<iterator, iterator> eq_range_t; |
| eq_range_t f = base_type::equal_range(r_val.first); |
| |
| iterator it = f.first; |
| while (it != f.second) |
| { |
| if (it->second == r_val.second) |
| return it; |
| ++it; |
| } |
| |
| return base_type::end(); |
| } |
| |
| inline const_iterator |
| find(const_reference r_val) const |
| { |
| typedef std::pair<const_iterator, const_iterator> eq_range_t; |
| eq_range_t f = base_type::equal_range(r_val.first); |
| |
| const_iterator it = f.first; |
| while (it != f.second) |
| { |
| if (it->second == r_val.second) |
| return it; |
| ++it; |
| } |
| return base_type::end(); |
| } |
| |
| static std::string |
| name() |
| { return std::string("n_mmap"); } |
| |
| static std::string |
| desc() |
| { return make_xml_tag("type", "value", "std_multimap"); } |
| }; |
| |
| #undef PB_DS_BASE_C_DEC |
| } // namespace test |
| |
| } // namespace __gnu_pbds |
| |
| #endif // #ifndef PB_DS_NATIVE_MULTIMAP_HPP |