Edit File: const_child_iterator.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 const_child_iterator.hpp * Contains a const_iterator for a patricia tree. */ struct const_iterator { public: typedef std::forward_iterator_tag iterator_category; typedef typename Allocator::difference_type difference_type; typedef node_pointer value_type; typedef node_pointer_pointer pointer; typedef node_pointer_reference reference; public: inline const_iterator(node_pointer_pointer p_p_cur = NULL, node_pointer_pointer p_p_end = NULL) : m_p_p_cur(p_p_cur), m_p_p_end(p_p_end) { } inline bool operator==(const const_iterator& other) const { return m_p_p_cur == other.m_p_p_cur; } inline bool operator!=(const const_iterator& other) const { return m_p_p_cur != other.m_p_p_cur; } inline const_iterator& operator++() { do ++m_p_p_cur; while (m_p_p_cur != m_p_p_end&& * m_p_p_cur == NULL); return *this; } inline const_iterator operator++(int) { const_iterator ret_it(*this); operator++(); return ret_it; } const node_pointer_pointer operator->() const { _GLIBCXX_DEBUG_ONLY(assert_referencible();) return (m_p_p_cur); } const_node_pointer operator*() const { _GLIBCXX_DEBUG_ONLY(assert_referencible();) return (*m_p_p_cur); } protected: #ifdef _GLIBCXX_DEBUG void assert_referencible() const { _GLIBCXX_DEBUG_ASSERT(m_p_p_cur != m_p_p_end&& * m_p_p_cur != NULL); } #endif public: node_pointer_pointer m_p_p_cur; node_pointer_pointer m_p_p_end; };
Back to File Manager