1// -*- C++ -*-
2
3// Copyright (C) 2005, 2006, 2007, 2009 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_hash_map.hpp
34 * Contains an adapter to TR1 unordered containers.
35 */
36
37#ifndef PB_DS_NATIVE_HASH_MAP_HPP
38#define PB_DS_NATIVE_HASH_MAP_HPP
39
40#include <string>
41#include <ext/pb_ds/detail/type_utils.hpp>
42#include <ext/pb_ds/detail/standard_policies.hpp>
43#include <native_type/native_hash_tag.hpp>
44#include <io/xml.hpp>
45#include <tr1/unordered_map>
46
47namespace __gnu_pbds
48{
49  namespace test
50  {
51#define PB_DS_BASE_C_DEC \
52    std::tr1::__unordered_map<Key, Data, Hash_Fn, Eq_Fn, \
53    typename Allocator::template rebind<std::pair<const Key, Data> >::other, Cache_Hash>
54
55    template<typename Key,
56	     typename Data,
57	     size_t Init_Size = 8,
58	     typename Hash_Fn = typename __gnu_pbds::detail::default_hash_fn<Key>::type,
59	     typename Eq_Fn = std::equal_to<Key>,
60	     typename Less_Fn = std::less<Key>,
61	     typename Allocator = std::allocator<char>, bool Cache_Hash = false
62	     >
63    class native_hash_map : public PB_DS_BASE_C_DEC
64    {
65    private:
66      typedef PB_DS_BASE_C_DEC base_type;
67
68    public:
69      typedef native_hash_tag container_category;
70
71    public:
72      native_hash_map() : base_type(Init_Size) { }
73
74      template<typename It>
75      native_hash_map(It f, It l) : base_type(f, l) { }
76
77      static std::string
78      name()
79      {
80        return std::string("n_hash_map_")
81               + (Cache_Hash ? std::string("cah") : std::string("ncah"));
82      }
83
84      static std::string
85      desc()
86      {
87        const std::string cache_hash_desc =
88	make_xml_tag("cache_hash_code",
89		     "value",
90		    (Cache_Hash ? std::string("true") : std::string("false")));
91
92        return make_xml_tag("type", "value", "std_tr1_unordered_map",
93			    cache_hash_desc);
94      }
95    };
96
97#undef PB_DS_BASE_C_DEC
98
99  } // namespace test
100} // namespace __gnu_pbds
101
102#endif
103
104