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 172
