| // -*- C++ -*- |
| |
| // Copyright (C) 2005-2014 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the terms |
| // of the GNU General Public License as published by the Free Software |
| // Foundation; either version 3, or (at your option) any later |
| // version. |
| |
| // This library is distributed in the hope that it will be useful, but |
| // WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| // General Public License for more details. |
| |
| // Under Section 7 of GPL version 3, you are granted additional |
| // permissions described in the GCC Runtime Library Exception, version |
| // 3.1, as published by the Free Software Foundation. |
| |
| // You should have received a copy of the GNU General Public License and |
| // a copy of the GCC Runtime Library Exception along with this program; |
| // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| // <http://www.gnu.org/licenses/>. |
| |
| // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. |
| |
| // Permission to use, copy, modify, sell, and distribute this software |
| // is hereby granted without fee, provided that the above copyright |
| // notice appears in all copies, and that both that copyright notice |
| // and this permission notice appear in supporting documentation. None |
| // of the above authors, nor IBM Haifa Research Laboratories, make any |
| // representation about the suitability of this software for any |
| // purpose. It is provided "as is" without express or implied |
| // warranty. |
| |
| /** |
| * @file pat_trie_/traits.hpp |
| * Contains an implementation class for pat_trie_. |
| */ |
| |
| #ifndef PB_DS_PAT_TRIE_NODE_AND_IT_TRAITS_HPP |
| #define PB_DS_PAT_TRIE_NODE_AND_IT_TRAITS_HPP |
| |
| #include <ext/pb_ds/detail/pat_trie_/pat_trie_base.hpp> |
| #include <ext/pb_ds/detail/pat_trie_/synth_access_traits.hpp> |
| |
| namespace __gnu_pbds |
| { |
| namespace detail |
| { |
| /// Specialization. |
| /// @ingroup traits |
| template<typename Key, |
| typename Mapped, |
| typename _ATraits, |
| template<typename Node_CItr, |
| typename Node_Itr, |
| typename Cmp_Fn_, |
| typename _Alloc_> |
| class Node_Update, |
| typename _Alloc> |
| struct trie_traits<Key, Mapped, _ATraits, Node_Update, pat_trie_tag, _Alloc> |
| { |
| private: |
| typedef pat_trie_base base_type; |
| typedef types_traits<Key, Mapped, _Alloc, false> type_traits; |
| |
| public: |
| typedef typename trie_node_metadata_dispatch<Key, Mapped, _ATraits, Node_Update, _Alloc>::type metadata_type; |
| typedef base_type::_Metadata<metadata_type, _Alloc> metadata; |
| typedef _ATraits access_traits; |
| |
| /// Type for synthesized traits. |
| typedef __gnu_pbds::detail::synth_access_traits<type_traits, false, access_traits> synth_access_traits; |
| |
| typedef base_type::_Node_base<synth_access_traits, metadata> node; |
| typedef base_type::_Head<synth_access_traits, metadata> head; |
| typedef base_type::_Leaf<synth_access_traits, metadata> leaf; |
| typedef base_type::_Inode<synth_access_traits, metadata> inode; |
| |
| typedef base_type::_Iter<node, leaf, head, inode, true> iterator; |
| typedef base_type::_CIter<node, leaf, head, inode, true> const_iterator; |
| typedef base_type::_Iter<node, leaf, head, inode, false> reverse_iterator; |
| typedef base_type::_CIter<node, leaf, head, inode, false> const_reverse_iterator; |
| |
| /// This is an iterator to an iterator: it iterates over nodes, |
| /// and de-referencing it returns one of the tree's iterators. |
| typedef base_type::_Node_citer<node, leaf, head, inode, const_iterator, iterator, _Alloc> node_const_iterator; |
| |
| typedef base_type::_Node_iter<node, leaf, head, inode, const_iterator, iterator, _Alloc> node_iterator; |
| |
| /// Type for node update. |
| typedef Node_Update<node_const_iterator, node_iterator, _ATraits, _Alloc> node_update; |
| |
| typedef null_node_update<node_const_iterator, node_iterator, _ATraits, _Alloc>* null_node_update_pointer; |
| }; |
| |
| |
| /// Specialization. |
| /// @ingroup traits |
| template<typename Key, |
| typename _ATraits, |
| template<typename Node_CItr, |
| typename Node_Itr, |
| typename Cmp_Fn_, |
| typename _Alloc_> |
| class Node_Update, |
| typename _Alloc> |
| struct trie_traits<Key, null_type, _ATraits, Node_Update, pat_trie_tag, _Alloc> |
| { |
| private: |
| typedef pat_trie_base base_type; |
| typedef types_traits<Key, null_type, _Alloc, false> type_traits; |
| |
| public: |
| typedef typename trie_node_metadata_dispatch<Key, null_type, _ATraits, Node_Update, _Alloc>::type metadata_type; |
| typedef base_type::_Metadata<metadata_type, _Alloc> metadata; |
| typedef _ATraits access_traits; |
| |
| /// Type for synthesized traits. |
| typedef __gnu_pbds::detail::synth_access_traits<type_traits, true, access_traits> synth_access_traits; |
| |
| typedef base_type::_Node_base<synth_access_traits, metadata> node; |
| typedef base_type::_Head<synth_access_traits, metadata> head; |
| typedef base_type::_Leaf<synth_access_traits, metadata> leaf; |
| typedef base_type::_Inode<synth_access_traits, metadata> inode; |
| |
| typedef base_type::_CIter<node, leaf, head, inode, true> const_iterator; |
| typedef const_iterator iterator; |
| typedef base_type::_CIter<node, leaf, head, inode, false> const_reverse_iterator; |
| typedef const_reverse_iterator reverse_iterator; |
| |
| /// This is an iterator to an iterator: it iterates over nodes, |
| /// and de-referencing it returns one of the tree's iterators. |
| typedef base_type::_Node_citer<node, leaf, head, inode, const_iterator, iterator, _Alloc> node_const_iterator; |
| |
| typedef node_const_iterator node_iterator; |
| |
| /// Type for node update. |
| typedef Node_Update<node_const_iterator, node_iterator, _ATraits, _Alloc> node_update; |
| |
| typedef null_node_update<node_const_iterator, node_const_iterator, _ATraits, _Alloc>* null_node_update_pointer; |
| }; |
| |
| } // namespace detail |
| } // namespace __gnu_pbds |
| |
| #endif // #ifndef PB_DS_PAT_TRIE_NODE_AND_IT_TRAITS_HPP |