| // -*- C++ -*- |
| |
| // Copyright (C) 2005-2015 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 bin_search_tree_/traits.hpp |
| * Contains an implementation for bin_search_tree_. |
| */ |
| |
| #ifndef PB_DS_BIN_SEARCH_TREE_NODE_AND_IT_TRAITS_HPP |
| #define PB_DS_BIN_SEARCH_TREE_NODE_AND_IT_TRAITS_HPP |
| |
| #include <ext/pb_ds/detail/bin_search_tree_/point_iterators.hpp> |
| #include <ext/pb_ds/detail/bin_search_tree_/node_iterators.hpp> |
| |
| namespace __gnu_pbds |
| { |
| namespace detail |
| { |
| /// Binary search tree traits, primary template |
| /// @ingroup traits |
| template<typename Key, |
| typename Mapped, |
| class Cmp_Fn, |
| template<typename Node_CItr, |
| class Node_Itr, |
| class _Cmp_Fn, |
| typename _Alloc> |
| class Node_Update, |
| class Node, |
| typename _Alloc> |
| struct bin_search_tree_traits |
| { |
| private: |
| typedef types_traits<Key, Mapped, _Alloc, false> type_traits; |
| |
| public: |
| typedef Node node; |
| |
| typedef |
| bin_search_tree_const_it_< |
| typename _Alloc::template rebind< |
| node>::other::pointer, |
| typename type_traits::value_type, |
| typename type_traits::pointer, |
| typename type_traits::const_pointer, |
| typename type_traits::reference, |
| typename type_traits::const_reference, |
| true, |
| _Alloc> |
| point_const_iterator; |
| |
| typedef |
| bin_search_tree_it_< |
| typename _Alloc::template rebind< |
| node>::other::pointer, |
| typename type_traits::value_type, |
| typename type_traits::pointer, |
| typename type_traits::const_pointer, |
| typename type_traits::reference, |
| typename type_traits::const_reference, |
| true, |
| _Alloc> |
| point_iterator; |
| |
| typedef |
| bin_search_tree_const_it_< |
| typename _Alloc::template rebind< |
| node>::other::pointer, |
| typename type_traits::value_type, |
| typename type_traits::pointer, |
| typename type_traits::const_pointer, |
| typename type_traits::reference, |
| typename type_traits::const_reference, |
| false, |
| _Alloc> |
| const_reverse_iterator; |
| |
| typedef |
| bin_search_tree_it_< |
| typename _Alloc::template rebind< |
| node>::other::pointer, |
| typename type_traits::value_type, |
| typename type_traits::pointer, |
| typename type_traits::const_pointer, |
| typename type_traits::reference, |
| typename type_traits::const_reference, |
| false, |
| _Alloc> |
| 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 |
| bin_search_tree_const_node_it_< |
| Node, |
| point_const_iterator, |
| point_iterator, |
| _Alloc> |
| node_const_iterator; |
| |
| typedef |
| bin_search_tree_node_it_< |
| Node, |
| point_const_iterator, |
| point_iterator, |
| _Alloc> |
| node_iterator; |
| |
| typedef |
| Node_Update< |
| node_const_iterator, |
| node_iterator, |
| Cmp_Fn, |
| _Alloc> |
| node_update; |
| |
| typedef |
| __gnu_pbds::null_node_update< |
| node_const_iterator, |
| node_iterator, |
| Cmp_Fn, |
| _Alloc>* |
| null_node_update_pointer; |
| }; |
| |
| /// Specialization. |
| /// @ingroup traits |
| template<typename Key, |
| class Cmp_Fn, |
| template<typename Node_CItr, |
| class Node_Itr, |
| class _Cmp_Fn, |
| typename _Alloc> |
| class Node_Update, |
| class Node, |
| typename _Alloc> |
| struct bin_search_tree_traits< |
| Key, |
| null_type, |
| Cmp_Fn, |
| Node_Update, |
| Node, |
| _Alloc> |
| { |
| private: |
| typedef types_traits<Key, null_type, _Alloc, false> type_traits; |
| |
| public: |
| typedef Node node; |
| |
| typedef |
| bin_search_tree_const_it_< |
| typename _Alloc::template rebind< |
| node>::other::pointer, |
| typename type_traits::value_type, |
| typename type_traits::pointer, |
| typename type_traits::const_pointer, |
| typename type_traits::reference, |
| typename type_traits::const_reference, |
| true, |
| _Alloc> |
| point_const_iterator; |
| |
| typedef point_const_iterator point_iterator; |
| |
| typedef |
| bin_search_tree_const_it_< |
| typename _Alloc::template rebind< |
| node>::other::pointer, |
| typename type_traits::value_type, |
| typename type_traits::pointer, |
| typename type_traits::const_pointer, |
| typename type_traits::reference, |
| typename type_traits::const_reference, |
| false, |
| _Alloc> |
| 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 |
| bin_search_tree_const_node_it_< |
| Node, |
| point_const_iterator, |
| point_iterator, |
| _Alloc> |
| node_const_iterator; |
| |
| typedef node_const_iterator node_iterator; |
| |
| typedef |
| Node_Update<node_const_iterator, node_iterator, Cmp_Fn, _Alloc> |
| node_update; |
| |
| typedef |
| __gnu_pbds::null_node_update< |
| node_const_iterator, |
| node_iterator, |
| Cmp_Fn, |
| _Alloc>* |
| null_node_update_pointer; |
| }; |
| |
| } // namespace detail |
| } // namespace __gnu_pbds |
| |
| #endif // #ifndef PB_DS_BIN_SEARCH_TREE_NODE_AND_IT_TRAITS_HPP |
