Edit File: node_base.hpp
// -*- 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
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