2012-03-27 23:13:14 +00:00
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// -*- C++ -*-
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2014-09-21 17:33:12 +00:00
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// Copyright (C) 2005-2014 Free Software Foundation, Inc.
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2012-03-27 23:13:14 +00:00
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the terms
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// of the GNU General Public License as published by the Free Software
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// Foundation; either version 3, or (at your option) any later
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// version.
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
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// Permission to use, copy, modify, sell, and distribute this software
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// is hereby granted without fee, provided that the above copyright
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// notice appears in all copies, and that both that copyright notice
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// and this permission notice appear in supporting documentation. None
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// of the above authors, nor IBM Haifa Research Laboratories, make any
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// representation about the suitability of this software for any
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// purpose. It is provided "as is" without express or implied
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// warranty.
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/**
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* @file native_multimap.hpp
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* Contains an adapter to std::multimap
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*/
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#ifndef PB_DS_NATIVE_MULTIMAP_HPP
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#define PB_DS_NATIVE_MULTIMAP_HPP
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#include <map>
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#include <string>
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#include <ext/pb_ds/detail/type_utils.hpp>
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#include <native_type/native_tree_tag.hpp>
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namespace __gnu_pbds
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{
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namespace test
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{
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#define PB_DS_BASE_C_DEC \
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std::multimap<Key, Data, Less_Fn, \
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typename _Alloc::template rebind<std::pair<const Key, Data> >::other>
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template<typename Key, typename Data, class Less_Fn = std::less<Key>,
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typename _Alloc = std::allocator<char> >
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class native_multimap : public PB_DS_BASE_C_DEC
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{
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private:
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typedef PB_DS_BASE_C_DEC base_type;
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public:
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typedef native_tree_tag container_category;
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typedef _Alloc allocator;
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typedef
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typename _Alloc::template rebind<
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std::pair<Key, Data> >::other::const_reference
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const_reference;
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typedef typename base_type::iterator iterator;
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typedef typename base_type::const_iterator const_iterator;
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native_multimap() { }
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template<typename It>
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native_multimap(It f, It l) : base_type(f, l)
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{ }
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inline void
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insert(const_reference r_val)
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{
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typedef std::pair<iterator, iterator> eq_range_t;
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eq_range_t f = base_type::equal_range(r_val.first);
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iterator it = f.first;
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while (it != f.second)
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{
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if (it->second == r_val.second)
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return;
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++it;
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}
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base_type::insert(r_val);
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}
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inline iterator
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find(const_reference r_val)
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{
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typedef std::pair<iterator, iterator> eq_range_t;
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eq_range_t f = base_type::equal_range(r_val.first);
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iterator it = f.first;
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while (it != f.second)
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{
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if (it->second == r_val.second)
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return it;
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++it;
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}
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return base_type::end();
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}
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inline const_iterator
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find(const_reference r_val) const
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{
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typedef std::pair<const_iterator, const_iterator> eq_range_t;
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eq_range_t f = base_type::equal_range(r_val.first);
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const_iterator it = f.first;
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while (it != f.second)
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{
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if (it->second == r_val.second)
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return it;
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++it;
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}
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return base_type::end();
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}
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static std::string
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name()
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{ return std::string("n_mmap"); }
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static std::string
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desc()
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{ return make_xml_tag("type", "value", "std_multimap"); }
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};
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#undef PB_DS_BASE_C_DEC
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} // namespace test
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} // namespace __gnu_pbds
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#endif // #ifndef PB_DS_NATIVE_MULTIMAP_HPP
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