Subversion Repositories openrisc_2011-10-31

// -*- C++ -*-

// Copyright (C) 2005, 2006, 2007, 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_hash_map.hpp

 * Contains an adapter to TR1 unordered containers.

 */

#ifndef PB_DS_NATIVE_HASH_MAP_HPP

#define PB_DS_NATIVE_HASH_MAP_HPP

#include <string>

#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>

#include <tr1/unordered_map>

namespace __gnu_pbds

{

  namespace test

  {

#define PB_DS_BASE_C_DEC \

    std::tr1::__unordered_map<Key, Data, Hash_Fn, Eq_Fn, \

    typename Allocator::template rebind<std::pair<const Key, Data> >::other, Cache_Hash>

    template<typename Key,

             typename Data,

             size_t Init_Size = 8,

             typename Hash_Fn = typename __gnu_pbds::detail::default_hash_fn<Key>::type,

             typename Eq_Fn = std::equal_to<Key>,

             typename Less_Fn = std::less<Key>,

             typename Allocator = std::allocator<char>, bool Cache_Hash = false

             >

    class native_hash_map : public PB_DS_BASE_C_DEC

    {

    private:

      typedef PB_DS_BASE_C_DEC base_type;

    public:

      typedef native_hash_tag container_category;

    public:

      native_hash_map() : base_type(Init_Size) { }

      template<typename It>

      native_hash_map(It f, It l) : base_type(f, l) { }

      static std::string

      name()

      {

        return std::string("n_hash_map_")

               + (Cache_Hash ? std::string("cah") : std::string("ncah"));

      }

      static std::string

      desc()

      {

        const std::string cache_hash_desc =

        make_xml_tag("cache_hash_code",

                     "value",

                    (Cache_Hash ? std::string("true") : std::string("false")));

        return make_xml_tag("type", "value", "std_tr1_unordered_map",

                            cache_hash_desc);

      }

    };

#undef PB_DS_BASE_C_DEC

  } // namespace test

} // namespace __gnu_pbds

#endif