libstdc++
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00001 // -*- C++ -*- 00002 00003 // Copyright (C) 2005, 2006, 2009, 2011 Free Software Foundation, Inc. 00004 // 00005 // This file is part of the GNU ISO C++ Library. This library is free 00006 // software; you can redistribute it and/or modify it under the terms 00007 // of the GNU General Public License as published by the Free Software 00008 // Foundation; either version 3, or (at your option) any later 00009 // version. 00010 00011 // This library is distributed in the hope that it will be useful, but 00012 // WITHOUT ANY WARRANTY; without even the implied warranty of 00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 // General Public License for more details. 00015 00016 // Under Section 7 of GPL version 3, you are granted additional 00017 // permissions described in the GCC Runtime Library Exception, version 00018 // 3.1, as published by the Free Software Foundation. 00019 00020 // You should have received a copy of the GNU General Public License and 00021 // a copy of the GCC Runtime Library Exception along with this program; 00022 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 00023 // <http://www.gnu.org/licenses/>. 00024 00025 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 00026 00027 // Permission to use, copy, modify, sell, and distribute this software 00028 // is hereby granted without fee, provided that the above copyright 00029 // notice appears in all copies, and that both that copyright notice 00030 // and this permission notice appear in supporting documentation. None 00031 // of the above authors, nor IBM Haifa Research Laboratories, make any 00032 // representation about the suitability of this software for any 00033 // purpose. It is provided "as is" without express or implied 00034 // warranty. 00035 00036 /** 00037 * @file pat_trie_/traits.hpp 00038 * Contains an implementation class for pat_trie_. 00039 */ 00040 00041 #ifndef PB_DS_PAT_TRIE_NODE_AND_IT_TRAITS_HPP 00042 #define PB_DS_PAT_TRIE_NODE_AND_IT_TRAITS_HPP 00043 00044 #include <ext/pb_ds/detail/pat_trie_/pat_trie_base.hpp> 00045 #include <ext/pb_ds/detail/pat_trie_/synth_access_traits.hpp> 00046 00047 namespace __gnu_pbds 00048 { 00049 namespace detail 00050 { 00051 /// Specialization. 00052 /// @ingroup traits 00053 template<typename Key, 00054 typename Mapped, 00055 typename _ATraits, 00056 template<typename Node_CItr, 00057 typename Node_Itr, 00058 typename Cmp_Fn_, 00059 typename _Alloc_> 00060 class Node_Update, 00061 typename _Alloc> 00062 struct trie_traits<Key, Mapped, _ATraits, Node_Update, pat_trie_tag, _Alloc> 00063 { 00064 private: 00065 typedef pat_trie_base base_type; 00066 typedef types_traits<Key, Mapped, _Alloc, false> type_traits; 00067 00068 public: 00069 typedef typename trie_node_metadata_dispatch<Key, Mapped, _ATraits, Node_Update, _Alloc>::type metadata_type; 00070 typedef base_type::_Metadata<metadata_type, _Alloc> metadata; 00071 typedef _ATraits access_traits; 00072 00073 /// Type for synthesized traits. 00074 typedef __gnu_pbds::detail::synth_access_traits<type_traits, false, access_traits> synth_access_traits; 00075 00076 typedef base_type::_Node_base<synth_access_traits, metadata> node; 00077 typedef base_type::_Head<synth_access_traits, metadata> head; 00078 typedef base_type::_Leaf<synth_access_traits, metadata> leaf; 00079 typedef base_type::_Inode<synth_access_traits, metadata> inode; 00080 00081 typedef base_type::_Iter<node, leaf, head, inode, true> iterator; 00082 typedef base_type::_CIter<node, leaf, head, inode, true> const_iterator; 00083 typedef base_type::_Iter<node, leaf, head, inode, false> reverse_iterator; 00084 typedef base_type::_CIter<node, leaf, head, inode, false> const_reverse_iterator; 00085 00086 /// This is an iterator to an iterator: it iterates over nodes, 00087 /// and de-referencing it returns one of the tree's iterators. 00088 typedef base_type::_Node_citer<node, leaf, head, inode, const_iterator, iterator, _Alloc> node_const_iterator; 00089 00090 typedef base_type::_Node_iter<node, leaf, head, inode, const_iterator, iterator, _Alloc> node_iterator; 00091 00092 /// Type for node update. 00093 typedef Node_Update<node_const_iterator, node_iterator, _ATraits, _Alloc> node_update; 00094 00095 typedef null_node_update<node_const_iterator, node_iterator, _ATraits, _Alloc>* null_node_update_pointer; 00096 }; 00097 00098 00099 /// Specialization. 00100 /// @ingroup traits 00101 template<typename Key, 00102 typename _ATraits, 00103 template<typename Node_CItr, 00104 typename Node_Itr, 00105 typename Cmp_Fn_, 00106 typename _Alloc_> 00107 class Node_Update, 00108 typename _Alloc> 00109 struct trie_traits<Key, null_type, _ATraits, Node_Update, pat_trie_tag, _Alloc> 00110 { 00111 private: 00112 typedef pat_trie_base base_type; 00113 typedef types_traits<Key, null_type, _Alloc, false> type_traits; 00114 00115 public: 00116 typedef typename trie_node_metadata_dispatch<Key, null_type, _ATraits, Node_Update, _Alloc>::type metadata_type; 00117 typedef base_type::_Metadata<metadata_type, _Alloc> metadata; 00118 typedef _ATraits access_traits; 00119 00120 /// Type for synthesized traits. 00121 typedef __gnu_pbds::detail::synth_access_traits<type_traits, true, access_traits> synth_access_traits; 00122 00123 typedef base_type::_Node_base<synth_access_traits, metadata> node; 00124 typedef base_type::_Head<synth_access_traits, metadata> head; 00125 typedef base_type::_Leaf<synth_access_traits, metadata> leaf; 00126 typedef base_type::_Inode<synth_access_traits, metadata> inode; 00127 00128 typedef base_type::_CIter<node, leaf, head, inode, true> const_iterator; 00129 typedef const_iterator iterator; 00130 typedef base_type::_CIter<node, leaf, head, inode, false> const_reverse_iterator; 00131 typedef const_reverse_iterator reverse_iterator; 00132 00133 /// This is an iterator to an iterator: it iterates over nodes, 00134 /// and de-referencing it returns one of the tree's iterators. 00135 typedef base_type::_Node_citer<node, leaf, head, inode, const_iterator, iterator, _Alloc> node_const_iterator; 00136 00137 typedef node_const_iterator node_iterator; 00138 00139 /// Type for node update. 00140 typedef Node_Update<node_const_iterator, node_iterator, _ATraits, _Alloc> node_update; 00141 00142 typedef null_node_update<node_const_iterator, node_const_iterator, _ATraits, _Alloc>* null_node_update_pointer; 00143 }; 00144 00145 } // namespace detail 00146 } // namespace __gnu_pbds 00147 00148 #endif // #ifndef PB_DS_PAT_TRIE_NODE_AND_IT_TRAITS_HPP