| // -*- C++ -*- |
| |
| // Copyright (C) 2005, 2006, 2009 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 node_base.hpp |
| * Contains a pat_trie_node_base base for a patricia tree. |
| */ |
| |
| #ifndef PB_DS_PAT_TRIE_NODE_BASE_HPP |
| #define PB_DS_PAT_TRIE_NODE_BASE_HPP |
| |
| #include <ext/pb_ds/detail/pat_trie_/node_metadata_base.hpp> |
| |
| namespace __gnu_pbds |
| { |
| namespace detail |
| { |
| #define PB_DS_CLASS_T_DEC \ |
| template<typename Type_Traits, typename E_Access_Traits, \ |
| typename Metadata, typename Allocator> |
| |
| #define PB_DS_CLASS_C_DEC \ |
| pat_trie_node_base<Type_Traits, E_Access_Traits, Metadata, Allocator> |
| |
| #define PB_DS_PAT_TRIE_SUBTREE_DEBUG_INFO_C_DEC \ |
| pat_trie_subtree_debug_info<Type_Traits, E_Access_Traits, Allocator> |
| |
| enum pat_trie_node_type |
| { |
| pat_trie_internal_node_type, |
| pat_trie_leaf_node_type, |
| pat_trie_head_node_type |
| }; |
| |
| template<typename Type_Traits, |
| typename E_Access_Traits, |
| typename Metadata, |
| typename Allocator> |
| struct pat_trie_node_base : public pat_trie_node_metadata_base< |
| Metadata, |
| Allocator> |
| { |
| public: |
| typedef |
| typename Allocator::template rebind< |
| pat_trie_node_base>::other::pointer |
| node_pointer; |
| |
| typedef |
| typename Allocator::template rebind< |
| E_Access_Traits>::other::const_pointer |
| const_e_access_traits_pointer; |
| |
| #ifdef _GLIBCXX_DEBUG |
| typedef |
| std::pair< |
| typename E_Access_Traits::const_iterator, |
| typename E_Access_Traits::const_iterator> |
| subtree_debug_info; |
| #endif |
| |
| pat_trie_node_base(pat_trie_node_type type); |
| |
| #ifdef _GLIBCXX_DEBUG |
| void |
| assert_valid(const_e_access_traits_pointer p_traits) const; |
| |
| virtual subtree_debug_info |
| assert_valid_imp(const_e_access_traits_pointer p_traits) const = 0; |
| #endif |
| |
| node_pointer m_p_parent; |
| const pat_trie_node_type m_type; |
| }; |
| |
| PB_DS_CLASS_T_DEC |
| PB_DS_CLASS_C_DEC:: |
| pat_trie_node_base(pat_trie_node_type type) : m_type(type) |
| { } |
| |
| #ifdef _GLIBCXX_DEBUG |
| PB_DS_CLASS_T_DEC |
| void |
| PB_DS_CLASS_C_DEC:: |
| assert_valid(const_e_access_traits_pointer p_traits) const |
| { assert_valid_imp(p_traits); } |
| #endif |
| |
| #undef PB_DS_CLASS_T_DEC |
| #undef PB_DS_CLASS_C_DEC |
| #undef PB_DS_PAT_TRIE_SUBTREE_DEBUG_INFO_C_DEC |
| |
| } // namespace detail |
| } // namespace __gnu_pbds |
| |
| #endif |