libstdc++-v3/testsuite/util/native_type/native_multimap.hpp

   1 // -*- C++ -*-
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   3 // Copyright (C) 2005, 2006 Free Software Foundation, Inc.
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   5 // This file is part of the GNU ISO C++ Library.  This library is free
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   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.
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  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
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  25 // produce an executable, this file does not by itself cause the
  26 // resulting executable to be covered by the GNU General Public
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  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
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  37 // of the above authors, nor IBM Haifa Research Laboratories, make any
  38 // representation about the suitability of this software for any
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  40 // warranty.
  41
  42 /**
  43  * @file native_multimap.hpp
  44  * Contains an adapter to std::multimap
  45  */
  46
  47 #ifndef PB_DS_NATIVE_MULTIMAP_HPP
  48 #define PB_DS_NATIVE_MULTIMAP_HPP
  49
  50 #include <map>
  51 #include <string>
  52 #include <ext/pb_ds/detail/type_utils.hpp>
  53 #include <native_type/native_tree_tag.hpp>
  54
  55 namespace __gnu_pbds
  56 {
  57   namespace test
  58   {
  59 #define PB_DS_BASE_C_DEC \
  60     std::multimap<Key, Data, Less_Fn, \
  61       typename Allocator::template rebind<std::pair<const Key, Data> >::other>
  62
  63     template<typename Key, typename Data, class Less_Fn = std::less<Key>,
  64              class Allocator = std::allocator<char> >
  65     class native_multimap : public PB_DS_BASE_C_DEC
  66     {
  67     private:
  68       typedef PB_DS_BASE_C_DEC base_type;
  69
  70     public:
  71       typedef native_tree_tag container_category;
  72
  73       typedef Allocator allocator;
  74
  75       typedef
  76       typename Allocator::template rebind<
  77         std::pair<Key, Data> >::other::const_reference
  78       const_reference;
  79
  80       typedef typename base_type::iterator iterator;
  81       typedef typename base_type::const_iterator const_iterator;
  82
  83       native_multimap()  { }
  84
  85       template<typename It>
  86       native_multimap(It f, It l) : base_type(f, l)
  87       { }
  88
  89       inline void
  90       insert(const_reference r_val)
  91       {
  92         typedef std::pair<iterator, iterator> eq_range_t;
  93         eq_range_t f = base_type::equal_range(r_val.first);
  94
  95         iterator it = f.first;
  96         while (it != f.second)
  97           {
  98             if (it->second == r_val.second)
  99               return;
 100             ++it;
 101           }
 102         base_type::insert(r_val);
 103       }
 104
 105       inline iterator
 106       find(const_reference r_val)
 107       {
 108         typedef std::pair<iterator, iterator> eq_range_t;
 109         eq_range_t f = base_type::equal_range(r_val.first);
 110
 111         iterator it = f.first;
 112         while (it != f.second)
 113           {
 114             if (it->second == r_val.second)
 115               return it;
 116             ++it;
 117           }
 118
 119         return base_type::end();
 120       }
 121
 122       inline const_iterator
 123       find(const_reference r_val) const
 124       {
 125         typedef std::pair<const_iterator, const_iterator> eq_range_t;
 126         eq_range_t f = base_type::equal_range(r_val.first);
 127
 128         const_iterator it = f.first;
 129         while (it != f.second)
 130           {
 131             if (it->second == r_val.second)
 132               return it;
 133             ++it;
 134           }
 135         return base_type::end();
 136       }
 137
 138       static std::string
 139       name()
 140       { return std::string("n_mmap"); }
 141
 142       static std::string
 143       desc()
 144       { return make_xml_tag("type", "value", "std_multimap"); }
 145     };
 146
 147 #undef PB_DS_BASE_C_DEC
 148 } // namespace test
 149
 150 } // namespace __gnu_pbds
 151
 152 #endif // #ifndef PB_DS_NATIVE_MULTIMAP_HPP