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// -*- C++ -*-
// Copyright (C) 2005-2018 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_hash_multimap.hpp
* Contains an adapter to TR1 unordered containers.
*/
#ifndef PB_DS_NATIVE_HASH_MULTIMAP_HPP
#define PB_DS_NATIVE_HASH_MULTIMAP_HPP
#include <string>
#include <tr1/unordered_map>
#include <ext/pb_ds/detail/type_utils.hpp>
#include <ext/pb_ds/detail/standard_policies.hpp>
#include <native_type/native_hash_tag.hpp>
#include <io/xml.hpp>
namespace __gnu_pbds
{
namespace test
{
#define PB_DS_BASE_C_DEC \
std::tr1::unordered_multimap<Key, Data, Hash_Fn, Eq_Fn, _Alloc>
template<typename Key,
typename Data,
size_t Init_Size = 8,
class Hash_Fn = typename __gnu_pbds::detail::default_hash_fn<Key>::type,
class Eq_Fn = std::equal_to<Key>,
class Less_Fn = std::less<Key>,
typename _Alloc = std::allocator<char> >
class native_hash_multimap : public PB_DS_BASE_C_DEC
{
private:
typedef PB_DS_BASE_C_DEC base_type;
typedef std::pair<Key, Data> pair_type;
public:
typedef native_hash_tag container_category;
typedef _Alloc allocator;
typedef typename base_type::iterator iterator;
typedef typename base_type::const_iterator const_iterator;
typedef
typename allocator::template rebind<pair_type>::other::const_reference
const_reference;
native_hash_multimap() : base_type(Init_Size)
{ }
template<typename It>
native_hash_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_hash_mmap"); }
static std::string
desc()
{ return make_xml_tag("type", "value", "__gnucxx_hash_multimap"); }
};
#undef PB_DS_BASE_C_DEC
} // namespace test
} // namespace __gnu_pbds
#endif
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