libstdc++-v3/testsuite/util/native_type/assoc/native_hash_map.hpp

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005, 2006, 2007 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 2, 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 COPYING.  If not, write to
  18 // the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
  19 // MA 02111-1307, USA.
  20
  21 // As a special exception, you may use this file as part of a free
  22 // software library without restriction.  Specifically, if other files
  23 // instantiate templates or use macros or inline functions from this
  24 // file, or you compile this file and link it with other files to
  25 // produce an executable, this file does not by itself cause the
  26 // resulting executable to be covered by the GNU General Public
  27 // License.  This exception does not however invalidate any other
  28 // reasons why the executable file might be covered by the GNU General
  29 // Public License.
  30
  31 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
  32
  33 // Permission to use, copy, modify, sell, and distribute this software
  34 // is hereby granted without fee, provided that the above copyright
  35 // notice appears in all copies, and that both that copyright notice
  36 // and this permission notice appear in supporting documentation. None
  37 // of the above authors, nor IBM Haifa Research Laboratories, make any
  38 // representation about the suitability of this software for any
  39 // purpose. It is provided "as is" without express or implied
  40 // warranty.
  41
  42 /**
  43  * @file native_hash_map.hpp
  44  * Contains an adapter to TR1 unordered containers.
  45  */
  46
  47 #ifndef PB_DS_NATIVE_HASH_MAP_HPP
  48 #define PB_DS_NATIVE_HASH_MAP_HPP
  49
  50 #include <string>
  51 #include <ext/pb_ds/detail/type_utils.hpp>
  52 #include <ext/pb_ds/detail/standard_policies.hpp>
  53 #include <native_type/assoc/native_hash_tag.hpp>
  54 #include <io/xml.hpp>
  55 #include <tr1/unordered_map>
  56
  57 namespace __gnu_pbds
  58 {
  59   namespace test
  60   {
  61 #define PB_DS_BASE_C_DEC \
  62     std::tr1::__unordered_map<Key, Data, Hash_Fn, Eq_Fn, \
  63     typename Allocator::template rebind<std::pair<const Key, Data> >::other, Cache_Hash>
  64
  65     template<typename Key,
  66              typename Data,
  67              size_t Init_Size = 8,
  68              typename Hash_Fn = typename __gnu_pbds::detail::default_hash_fn<Key>::type,
  69              typename Eq_Fn = std::equal_to<Key>,
  70              typename Less_Fn = std::less<Key>,
  71              typename Allocator = std::allocator<char>, bool Cache_Hash = false
  72              >
  73     class native_hash_map : public PB_DS_BASE_C_DEC
  74     {
  75     private:
  76       typedef PB_DS_BASE_C_DEC base_type;
  77
  78     public:
  79       typedef native_hash_tag container_category;
  80
  81     public:
  82       native_hash_map() : base_type(Init_Size) { }
  83
  84       template<typename It>
  85       native_hash_map(It f, It l) : base_type(f, l) { }
  86
  87       static std::string
  88       name()
  89       {
  90         return std::string("n_hash_map_")
  91                + (Cache_Hash ? std::string("cah") : std::string("ncah"));
  92       }
  93
  94       static std::string
  95       desc()
  96       {
  97         const std::string cache_hash_desc =
  98         make_xml_tag("cache_hash_code",
  99                      "value",
 100                     (Cache_Hash ? std::string("true") : std::string("false")));
 101
 102         return make_xml_tag("type", "value", "std_tr1_unordered_map",
 103                             cache_hash_desc);
 104       }
 105     };
 106
 107 #undef PB_DS_BASE_C_DEC
 108
 109   } // namespace test
 110 } // namespace __gnu_pbds
 111
 112 #endif
 113