contrib/gcc-4.4/libstdc++-v3/include/ext/pb_ds/detail/pat_trie_/leaf.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 leaf.hpp
  38  * Contains a pat_trie_leaf for a patricia tree.
  39  */
  40
  41 #ifndef PB_DS_PAT_TRIE_LEAF_HPP
  42 #define PB_DS_PAT_TRIE_LEAF_HPP
  43
  44 #include <debug/debug.h>
  45
  46 namespace __gnu_pbds
  47 {
  48   namespace detail
  49   {
  50
  51 #define PB_DS_CLASS_T_DEC                                               \
  52     template<                                                           \
  53                                                 class Type_Traits,      \
  54                                                 class E_Access_Traits,  \
  55                                                 class Metadata,         \
  56                                                 class Allocator>
  57
  58 #define PB_DS_CLASS_C_DEC                                               \
  59     pat_trie_leaf<                                                      \
  60                                                 Type_Traits,            \
  61                                                 E_Access_Traits,        \
  62                                                 Metadata,               \
  63                                                 Allocator>
  64
  65 #define PB_DS_BASE_C_DEC                                        \
  66     pat_trie_node_base<                                         \
  67                                         Type_Traits,            \
  68                                         E_Access_Traits,        \
  69                                         Metadata,               \
  70                                         Allocator>
  71
  72 #define PB_DS_PAT_TRIE_SUBTREE_DEBUG_INFO_C_DEC                         \
  73     pat_trie_subtree_debug_info<                                        \
  74                                                         Type_Traits,    \
  75                                                         E_Access_Traits, \
  76                                                         Allocator>
  77
  78     template<typename Type_Traits,
  79              class E_Access_Traits,
  80              class Metadata,
  81              class Allocator>
  82     struct pat_trie_leaf : public PB_DS_BASE_C_DEC
  83     {
  84     private:
  85       typedef typename Type_Traits::value_type value_type;
  86
  87       typedef typename Type_Traits::const_reference const_reference;
  88
  89       typedef typename Type_Traits::reference reference;
  90
  91       typedef
  92       typename Allocator::template rebind<
  93         E_Access_Traits>::other::const_pointer
  94       const_e_access_traits_pointer;
  95
  96 #ifdef _GLIBCXX_DEBUG
  97       typedef
  98       typename PB_DS_BASE_C_DEC::subtree_debug_info
  99       subtree_debug_info;
 100 #endif
 101
 102       typedef PB_DS_BASE_C_DEC base_type;
 103
 104     public:
 105       pat_trie_leaf(const_reference r_val);
 106
 107       inline reference
 108       value();
 109
 110       inline const_reference
 111       value() const;
 112
 113 #ifdef _GLIBCXX_DEBUG
 114       virtual subtree_debug_info
 115       assert_valid_imp(const_e_access_traits_pointer p_traits) const;
 116
 117       virtual
 118       ~pat_trie_leaf();
 119 #endif
 120
 121     private:
 122       pat_trie_leaf(const PB_DS_CLASS_C_DEC& other);
 123
 124       value_type m_value;
 125     };
 126
 127     PB_DS_CLASS_T_DEC
 128     PB_DS_CLASS_C_DEC::
 129     pat_trie_leaf(const_reference r_val) :
 130     PB_DS_BASE_C_DEC(pat_trie_leaf_node_type), m_value(r_val)
 131     { }
 132
 133     PB_DS_CLASS_T_DEC
 134     inline typename PB_DS_CLASS_C_DEC::reference
 135     PB_DS_CLASS_C_DEC::
 136     value()
 137     { return m_value; }
 138
 139     PB_DS_CLASS_T_DEC
 140     inline typename PB_DS_CLASS_C_DEC::const_reference
 141     PB_DS_CLASS_C_DEC::
 142     value() const
 143     { return m_value; }
 144
 145 #ifdef _GLIBCXX_DEBUG
 146     PB_DS_CLASS_T_DEC
 147     typename PB_DS_CLASS_C_DEC::subtree_debug_info
 148     PB_DS_CLASS_C_DEC::
 149     assert_valid_imp(const_e_access_traits_pointer p_traits) const
 150     {
 151       _GLIBCXX_DEBUG_ASSERT(base_type::m_type == pat_trie_leaf_node_type);
 152       subtree_debug_info ret;
 153       const_reference r_val = value();
 154       return std::make_pair(p_traits->begin(p_traits->extract_key(r_val)),
 155                              p_traits->end(p_traits->extract_key(r_val)));
 156     }
 157
 158     PB_DS_CLASS_T_DEC
 159     PB_DS_CLASS_C_DEC::
 160     ~pat_trie_leaf() { }
 161 #endif
 162
 163 #undef PB_DS_CLASS_T_DEC
 164 #undef PB_DS_CLASS_C_DEC
 165 #undef PB_DS_BASE_C_DEC
 166 #undef PB_DS_PAT_TRIE_SUBTREE_DEBUG_INFO_C_DEC
 167
 168   } // namespace detail
 169 } // namespace __gnu_pbds
 170
 171 #endif