release/src-rt-6.x.4708/toolchains/hndtools-arm-linux-2.6.36-uclibc-4.5.3/arm-brcm-linux-uclibcgnueabi/include/c++/4.5.3/ext/pb_ds/detail/basic_types.hpp

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005, 2006, 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 // Under Section 7 of GPL version 3, you are granted additional
  17 // permissions described in the GCC Runtime Library Exception, version
  18 // 3.1, as published by the Free Software Foundation.
  19
  20 // You should have received a copy of the GNU General Public License and
  21 // a copy of the GCC Runtime Library Exception along with this program;
  22 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  23 // <http://www.gnu.org/licenses/>.
  24
  25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
  26
  27 // Permission to use, copy, modify, sell, and distribute this software
  28 // is hereby granted without fee, provided that the above copyright
  29 // notice appears in all copies, and that both that copyright notice
  30 // and this permission notice appear in supporting documentation. None
  31 // of the above authors, nor IBM Haifa Research Laboratories, make any
  32 // representation about the suitability of this software for any
  33 // purpose. It is provided "as is" without express or implied
  34 // warranty.
  35
  36 /**
  37  * @file basic_types.hpp
  38  * Contains basic types used by containers.
  39  */
  40
  41 #ifndef PB_DS_BASIC_TYPES_HPP
  42 #define PB_DS_BASIC_TYPES_HPP
  43
  44 #include <algorithm>
  45 #include <utility>
  46 #include <ext/pb_ds/tag_and_trait.hpp>
  47 #include <ext/pb_ds/detail/type_utils.hpp>
  48
  49 namespace __gnu_pbds
  50 {
  51   namespace detail
  52   {
  53     template<typename Key, typename Mapped, typename Allocator, bool Store_Hash>
  54     struct value_type_base;
  55
  56     /**
  57      * Specialization of value_type_base for the case where the hash value
  58      * is not stored alongside each value.
  59      **/
  60     template<typename Key, typename Mapped, typename Allocator>
  61     struct value_type_base<Key, Mapped, Allocator, false>
  62     {
  63       typedef typename Allocator::template rebind<Mapped>::other mapped_type_allocator;
  64       typedef typename mapped_type_allocator::value_type mapped_type;
  65       typedef typename mapped_type_allocator::pointer mapped_pointer;
  66       typedef typename mapped_type_allocator::const_pointer const_mapped_pointer;
  67       typedef typename mapped_type_allocator::reference mapped_reference;
  68       typedef typename mapped_type_allocator::const_reference const_mapped_reference;
  69
  70       typedef typename Allocator::template rebind<std::pair<const Key, Mapped> >::other value_type_allocator;
  71       typedef typename value_type_allocator::value_type value_type;
  72       typedef typename value_type_allocator::pointer pointer;
  73       typedef typename value_type_allocator::const_pointer const_pointer;
  74       typedef typename value_type_allocator::reference reference;
  75       typedef typename value_type_allocator::const_reference const_reference;
  76
  77       struct stored_value_type
  78       {
  79         value_type m_value;
  80       };
  81     };
  82
  83     /**
  84      * Specialization of value_type_base for the case where the hash value
  85      * is stored alongside each value.
  86      **/
  87     template<typename Key, typename Mapped, typename Allocator>
  88     struct value_type_base<Key, Mapped, Allocator, true>
  89     {
  90       typedef typename Allocator::template rebind<Mapped>::other mapped_type_allocator;
  91       typedef typename mapped_type_allocator::value_type mapped_type;
  92       typedef typename mapped_type_allocator::pointer mapped_pointer;
  93       typedef typename mapped_type_allocator::const_pointer const_mapped_pointer;
  94       typedef typename mapped_type_allocator::reference mapped_reference;
  95       typedef typename mapped_type_allocator::const_reference const_mapped_reference;
  96
  97       typedef typename Allocator::template rebind<std::pair<const Key, Mapped> >::other value_type_allocator;
  98       typedef typename value_type_allocator::value_type value_type;
  99       typedef typename value_type_allocator::pointer pointer;
 100       typedef typename value_type_allocator::const_pointer const_pointer;
 101       typedef typename value_type_allocator::reference reference;
 102       typedef typename value_type_allocator::const_reference const_reference;
 103
 104       struct stored_value_type
 105       {
 106         value_type m_value;
 107         typename Allocator::size_type m_hash;
 108       };
 109     };
 110
 111 #define PB_DS_CLASS_T_DEC \
 112     template<typename Key, typename Allocator>
 113
 114 #define PB_DS_CLASS_C_DEC \
 115     value_type_base<Key, null_mapped_type, Allocator, false>
 116
 117     /**
 118      * Specialization of value_type_base for the case where the hash value
 119      * is not stored alongside each value.
 120      **/
 121     template<typename Key, typename Allocator>
 122     struct value_type_base<Key, null_mapped_type, Allocator, false>
 123     {
 124       typedef typename Allocator::template rebind<null_mapped_type>::other mapped_type_allocator;
 125       typedef typename mapped_type_allocator::value_type mapped_type;
 126       typedef typename mapped_type_allocator::pointer mapped_pointer;
 127       typedef typename mapped_type_allocator::const_pointer const_mapped_pointer;
 128       typedef typename mapped_type_allocator::reference mapped_reference;
 129       typedef typename mapped_type_allocator::const_reference const_mapped_reference;
 130
 131       typedef Key value_type;
 132
 133       typedef typename Allocator::template rebind<value_type>::other value_type_allocator;
 134       typedef typename value_type_allocator::pointer pointer;
 135       typedef typename value_type_allocator::const_pointer const_pointer;
 136       typedef typename value_type_allocator::reference reference;
 137       typedef typename value_type_allocator::const_reference const_reference;
 138
 139       struct stored_value_type
 140       {
 141         value_type m_value;
 142       };
 143
 144       static null_mapped_type s_null_mapped;
 145     };
 146
 147     PB_DS_CLASS_T_DEC
 148     null_mapped_type PB_DS_CLASS_C_DEC::s_null_mapped;
 149
 150 #undef PB_DS_CLASS_T_DEC
 151 #undef PB_DS_CLASS_C_DEC
 152
 153 #define PB_DS_CLASS_T_DEC \
 154     template<typename Key, typename Allocator>
 155
 156 #define PB_DS_CLASS_C_DEC \
 157     value_type_base<Key, null_mapped_type, Allocator, true>
 158
 159     /**
 160      * Specialization of value_type_base for the case where the hash value
 161      * is stored alongside each value.
 162      **/
 163     template<typename Key, typename Allocator>
 164     struct value_type_base<Key, null_mapped_type, Allocator, true>
 165     {
 166       typedef typename Allocator::template rebind<null_mapped_type>::other mapped_type_allocator;
 167       typedef typename mapped_type_allocator::value_type mapped_type;
 168       typedef typename mapped_type_allocator::pointer mapped_pointer;
 169       typedef typename mapped_type_allocator::const_pointer const_mapped_pointer;
 170       typedef typename mapped_type_allocator::reference mapped_reference;
 171       typedef typename mapped_type_allocator::const_reference const_mapped_reference;
 172
 173       typedef Key value_type;
 174
 175       typedef typename Allocator::template rebind<value_type>::other value_type_allocator;
 176       typedef typename value_type_allocator::pointer pointer;
 177       typedef typename value_type_allocator::const_pointer const_pointer;
 178       typedef typename value_type_allocator::reference reference;
 179       typedef typename value_type_allocator::const_reference const_reference;
 180
 181       struct stored_value_type
 182       {
 183         value_type m_value;
 184         typename Allocator::size_type m_hash;
 185       };
 186
 187       static null_mapped_type s_null_mapped;
 188     };
 189
 190     PB_DS_CLASS_T_DEC
 191     null_mapped_type PB_DS_CLASS_C_DEC::s_null_mapped;
 192
 193 #undef PB_DS_CLASS_T_DEC
 194 #undef PB_DS_CLASS_C_DEC
 195
 196     template<typename Key, typename Mapped>
 197     struct no_throw_copies
 198     {
 199       typedef integral_constant<int, is_simple<Key>::value && is_simple<Mapped>::value> indicator;
 200     };
 201
 202     template<typename Key>
 203     struct no_throw_copies<Key, null_mapped_type>
 204     {
 205       typedef integral_constant<int, is_simple<Key>::value> indicator;
 206     };
 207   } // namespace detail
 208 } // namespace __gnu_pbds
 209
 210 #endif
 211