Dan Albert | 287553d | 2017-02-16 10:47:51 -0800 | [diff] [blame] | 1 | // -*- C++ -*- |
| 2 | |
| 3 | // Copyright (C) 2005-2014 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 pat_trie_/traits.hpp |
| 38 | * Contains an implementation class for pat_trie_. |
| 39 | */ |
| 40 | |
| 41 | #ifndef PB_DS_PAT_TRIE_NODE_AND_IT_TRAITS_HPP |
| 42 | #define PB_DS_PAT_TRIE_NODE_AND_IT_TRAITS_HPP |
| 43 | |
| 44 | #include <ext/pb_ds/detail/pat_trie_/pat_trie_base.hpp> |
| 45 | #include <ext/pb_ds/detail/pat_trie_/synth_access_traits.hpp> |
| 46 | |
| 47 | namespace __gnu_pbds |
| 48 | { |
| 49 | namespace detail |
| 50 | { |
| 51 | /// Specialization. |
| 52 | /// @ingroup traits |
| 53 | template<typename Key, |
| 54 | typename Mapped, |
| 55 | typename _ATraits, |
| 56 | template<typename Node_CItr, |
| 57 | typename Node_Itr, |
| 58 | typename Cmp_Fn_, |
| 59 | typename _Alloc_> |
| 60 | class Node_Update, |
| 61 | typename _Alloc> |
| 62 | struct trie_traits<Key, Mapped, _ATraits, Node_Update, pat_trie_tag, _Alloc> |
| 63 | { |
| 64 | private: |
| 65 | typedef pat_trie_base base_type; |
| 66 | typedef types_traits<Key, Mapped, _Alloc, false> type_traits; |
| 67 | |
| 68 | public: |
| 69 | typedef typename trie_node_metadata_dispatch<Key, Mapped, _ATraits, Node_Update, _Alloc>::type metadata_type; |
| 70 | typedef base_type::_Metadata<metadata_type, _Alloc> metadata; |
| 71 | typedef _ATraits access_traits; |
| 72 | |
| 73 | /// Type for synthesized traits. |
| 74 | typedef __gnu_pbds::detail::synth_access_traits<type_traits, false, access_traits> synth_access_traits; |
| 75 | |
| 76 | typedef base_type::_Node_base<synth_access_traits, metadata> node; |
| 77 | typedef base_type::_Head<synth_access_traits, metadata> head; |
| 78 | typedef base_type::_Leaf<synth_access_traits, metadata> leaf; |
| 79 | typedef base_type::_Inode<synth_access_traits, metadata> inode; |
| 80 | |
| 81 | typedef base_type::_Iter<node, leaf, head, inode, true> iterator; |
| 82 | typedef base_type::_CIter<node, leaf, head, inode, true> const_iterator; |
| 83 | typedef base_type::_Iter<node, leaf, head, inode, false> reverse_iterator; |
| 84 | typedef base_type::_CIter<node, leaf, head, inode, false> const_reverse_iterator; |
| 85 | |
| 86 | /// This is an iterator to an iterator: it iterates over nodes, |
| 87 | /// and de-referencing it returns one of the tree's iterators. |
| 88 | typedef base_type::_Node_citer<node, leaf, head, inode, const_iterator, iterator, _Alloc> node_const_iterator; |
| 89 | |
| 90 | typedef base_type::_Node_iter<node, leaf, head, inode, const_iterator, iterator, _Alloc> node_iterator; |
| 91 | |
| 92 | /// Type for node update. |
| 93 | typedef Node_Update<node_const_iterator, node_iterator, _ATraits, _Alloc> node_update; |
| 94 | |
| 95 | typedef null_node_update<node_const_iterator, node_iterator, _ATraits, _Alloc>* null_node_update_pointer; |
| 96 | }; |
| 97 | |
| 98 | |
| 99 | /// Specialization. |
| 100 | /// @ingroup traits |
| 101 | template<typename Key, |
| 102 | typename _ATraits, |
| 103 | template<typename Node_CItr, |
| 104 | typename Node_Itr, |
| 105 | typename Cmp_Fn_, |
| 106 | typename _Alloc_> |
| 107 | class Node_Update, |
| 108 | typename _Alloc> |
| 109 | struct trie_traits<Key, null_type, _ATraits, Node_Update, pat_trie_tag, _Alloc> |
| 110 | { |
| 111 | private: |
| 112 | typedef pat_trie_base base_type; |
| 113 | typedef types_traits<Key, null_type, _Alloc, false> type_traits; |
| 114 | |
| 115 | public: |
| 116 | typedef typename trie_node_metadata_dispatch<Key, null_type, _ATraits, Node_Update, _Alloc>::type metadata_type; |
| 117 | typedef base_type::_Metadata<metadata_type, _Alloc> metadata; |
| 118 | typedef _ATraits access_traits; |
| 119 | |
| 120 | /// Type for synthesized traits. |
| 121 | typedef __gnu_pbds::detail::synth_access_traits<type_traits, true, access_traits> synth_access_traits; |
| 122 | |
| 123 | typedef base_type::_Node_base<synth_access_traits, metadata> node; |
| 124 | typedef base_type::_Head<synth_access_traits, metadata> head; |
| 125 | typedef base_type::_Leaf<synth_access_traits, metadata> leaf; |
| 126 | typedef base_type::_Inode<synth_access_traits, metadata> inode; |
| 127 | |
| 128 | typedef base_type::_CIter<node, leaf, head, inode, true> const_iterator; |
| 129 | typedef const_iterator iterator; |
| 130 | typedef base_type::_CIter<node, leaf, head, inode, false> const_reverse_iterator; |
| 131 | typedef const_reverse_iterator reverse_iterator; |
| 132 | |
| 133 | /// This is an iterator to an iterator: it iterates over nodes, |
| 134 | /// and de-referencing it returns one of the tree's iterators. |
| 135 | typedef base_type::_Node_citer<node, leaf, head, inode, const_iterator, iterator, _Alloc> node_const_iterator; |
| 136 | |
| 137 | typedef node_const_iterator node_iterator; |
| 138 | |
| 139 | /// Type for node update. |
| 140 | typedef Node_Update<node_const_iterator, node_iterator, _ATraits, _Alloc> node_update; |
| 141 | |
| 142 | typedef null_node_update<node_const_iterator, node_const_iterator, _ATraits, _Alloc>* null_node_update_pointer; |
| 143 | }; |
| 144 | |
| 145 | } // namespace detail |
| 146 | } // namespace __gnu_pbds |
| 147 | |
| 148 | #endif // #ifndef PB_DS_PAT_TRIE_NODE_AND_IT_TRAITS_HPP |