111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// -*- C++ -*- 211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// Copyright (C) 2005-2014 Free Software Foundation, Inc. 411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// This file is part of the GNU ISO C++ Library. This library is free 611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// software; you can redistribute it and/or modify it under the terms 711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// of the GNU General Public License as published by the Free Software 811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// Foundation; either version 3, or (at your option) any later 911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// version. 1011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// This library is distributed in the hope that it will be useful, but 1211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// WITHOUT ANY WARRANTY; without even the implied warranty of 1311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 1411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// General Public License for more details. 1511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// Under Section 7 of GPL version 3, you are granted additional 1711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// permissions described in the GCC Runtime Library Exception, version 1811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 3.1, as published by the Free Software Foundation. 1911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 2011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// You should have received a copy of the GNU General Public License and 2111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// a copy of the GCC Runtime Library Exception along with this program; 2211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 2311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// <http://www.gnu.org/licenses/>. 2411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 2511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 2611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 2711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// Permission to use, copy, modify, sell, and distribute this software 2811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// is hereby granted without fee, provided that the above copyright 2911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// notice appears in all copies, and that both that copyright notice 3011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// and this permission notice appear in supporting documentation. None 3111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// of the above authors, nor IBM Haifa Research Laboratories, make any 3211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// representation about the suitability of this software for any 3311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// purpose. It is provided "as is" without express or implied 3411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// warranty. 3511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 3611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/** 3711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert * @file bin_search_tree_/node_iterators.hpp 3811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert * Contains an implementation class for bin_search_tree_. 3911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert */ 4011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 4111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#ifndef PB_DS_BIN_SEARCH_TREE_NODE_ITERATORS_HPP 4211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define PB_DS_BIN_SEARCH_TREE_NODE_ITERATORS_HPP 4311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 4411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <ext/pb_ds/tag_and_trait.hpp> 4511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 4611cd02dfb91661c65134cac258cf5924270e9d2Dan Albertnamespace __gnu_pbds 4711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert{ 4811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert namespace detail 4911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert { 5011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define PB_DS_TREE_CONST_NODE_ITERATOR_CLASS_C_DEC \ 5111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert bin_search_tree_const_node_it_<Node, Const_Iterator, Iterator, _Alloc> 5211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 5311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert /// Const node iterator. 5411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert template<typename Node, 5511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert class Const_Iterator, 5611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert class Iterator, 5711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert typename _Alloc> 5811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert class bin_search_tree_const_node_it_ 5911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert { 6011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert private: 6111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert typedef 6211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert typename _Alloc::template rebind< 6311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert Node>::other::pointer 6411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert node_pointer; 6511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 6611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert public: 6711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert /// Category. 6811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert typedef trivial_iterator_tag iterator_category; 6911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 7011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert /// Difference type. 7111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert typedef trivial_iterator_difference_type difference_type; 7211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 7311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert /// Iterator's value type. 7411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert typedef Const_Iterator value_type; 7511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 7611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert /// Iterator's reference type. 7711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert typedef Const_Iterator reference; 7811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 7911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert /// Iterator's __const reference type. 8011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert typedef Const_Iterator const_reference; 8111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 8211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert /// Metadata type. 8311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert typedef typename Node::metadata_type metadata_type; 8411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 8511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert /// Const metadata reference type. 8611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert typedef 8711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert typename _Alloc::template rebind<metadata_type>::other::const_reference 8811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert metadata_const_reference; 8911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 9011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 9111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert bin_search_tree_const_node_it_(const node_pointer p_nd = 0) 9211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert : m_p_nd(const_cast<node_pointer>(p_nd)) 9311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert { } 9411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 9511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert /// Access. 9611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert const_reference 9711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert operator*() const 9811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert { return Const_Iterator(m_p_nd); } 9911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 10011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert /// Metadata access. 10111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert metadata_const_reference 10211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert get_metadata() const 10311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert { return m_p_nd->get_metadata(); } 10411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 10511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert /// Returns the __const node iterator associated with the left node. 10611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert PB_DS_TREE_CONST_NODE_ITERATOR_CLASS_C_DEC 10711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert get_l_child() const 10811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert { return PB_DS_TREE_CONST_NODE_ITERATOR_CLASS_C_DEC(m_p_nd->m_p_left); } 10911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 11011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert /// Returns the __const node iterator associated with the right node. 11111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert PB_DS_TREE_CONST_NODE_ITERATOR_CLASS_C_DEC 11211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert get_r_child() const 11311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert { return PB_DS_TREE_CONST_NODE_ITERATOR_CLASS_C_DEC(m_p_nd->m_p_right); } 11411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 11511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert /// Compares to a different iterator object. 11611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert bool 11711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert operator==(const PB_DS_TREE_CONST_NODE_ITERATOR_CLASS_C_DEC& other) const 11811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert { return m_p_nd == other.m_p_nd; } 11911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 12011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert /// Compares (negatively) to a different iterator object. 12111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert bool 12211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert operator!=(const PB_DS_TREE_CONST_NODE_ITERATOR_CLASS_C_DEC& other) const 12311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert { return m_p_nd != other.m_p_nd; } 12411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 12511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert node_pointer m_p_nd; 12611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert }; 12711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 12811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define PB_DS_TREE_NODE_ITERATOR_CLASS_C_DEC \ 12911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert bin_search_tree_node_it_<Node, Const_Iterator, Iterator, _Alloc> 13011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 13111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert /// Node iterator. 13211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert template<typename Node, 13311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert class Const_Iterator, 13411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert class Iterator, 13511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert typename _Alloc> 13611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert class bin_search_tree_node_it_ 13711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert : public PB_DS_TREE_CONST_NODE_ITERATOR_CLASS_C_DEC 13811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert { 13911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert private: 14011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert typedef 14111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert typename _Alloc::template rebind< 14211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert Node>::other::pointer 14311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert node_pointer; 14411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 14511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert public: 14611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert /// Iterator's value type. 14711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert typedef Iterator value_type; 14811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 14911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert /// Iterator's reference type. 15011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert typedef Iterator reference; 15111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 15211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert /// Iterator's __const reference type. 15311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert typedef Iterator const_reference; 15411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 15511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert inline 15611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert bin_search_tree_node_it_(const node_pointer p_nd = 0) 15711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert : PB_DS_TREE_CONST_NODE_ITERATOR_CLASS_C_DEC(const_cast<node_pointer>(p_nd)) 15811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert { } 15911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 16011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert /// Access. 16111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert Iterator 16211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert operator*() const 16311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert { return Iterator(PB_DS_TREE_CONST_NODE_ITERATOR_CLASS_C_DEC::m_p_nd); } 16411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 16511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert /// Returns the node iterator associated with the left node. 16611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert PB_DS_TREE_NODE_ITERATOR_CLASS_C_DEC 16711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert get_l_child() const 16811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert { 16911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert return PB_DS_TREE_NODE_ITERATOR_CLASS_C_DEC( 17011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert PB_DS_TREE_CONST_NODE_ITERATOR_CLASS_C_DEC::m_p_nd->m_p_left); 17111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert } 17211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 17311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert /// Returns the node iterator associated with the right node. 17411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert PB_DS_TREE_NODE_ITERATOR_CLASS_C_DEC 17511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert get_r_child() const 17611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert { 17711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert return PB_DS_TREE_NODE_ITERATOR_CLASS_C_DEC( 17811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert PB_DS_TREE_CONST_NODE_ITERATOR_CLASS_C_DEC::m_p_nd->m_p_right); 17911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert } 18011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 18111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert }; 18211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 18311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#undef PB_DS_TREE_CONST_NODE_ITERATOR_CLASS_C_DEC 18411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#undef PB_DS_TREE_NODE_ITERATOR_CLASS_C_DEC 18511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 18611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert } // namespace detail 18711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert} // namespace __gnu_pbds 18811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 18911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif // #ifndef PB_DS_BIN_SEARCH_TREE_NODE_ITERATORS_HPP 190