1 // -*- C++ -*- 2 3 // Copyright (C) 2005, 2006, 2009, 2010 Free Software Foundation, Inc. 4 // 5 // This file is part of the GNU ISO C++ Library. This library is free 6 // software; you can redistribute it and/or modify it under the terms 7 // of the GNU General Public License as published by the Free Software 8 // Foundation; either version 3, or (at your option) any later 9 // version. 10 11 // This library is distributed in the hope that it will be useful, but 12 // WITHOUT ANY WARRANTY; without even the implied warranty of 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 // General Public License for more details. 15 16 // Under Section 7 of GPL version 3, you are granted additional 17 // permissions described in the GCC Runtime Library Exception, version 18 // 3.1, as published by the Free Software Foundation. 19 20 // You should have received a copy of the GNU General Public License and 21 // a copy of the GCC Runtime Library Exception along with this program; 22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23 // <http://www.gnu.org/licenses/>. 24 25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 26 27 // Permission to use, copy, modify, sell, and distribute this software 28 // is hereby granted without fee, provided that the above copyright 29 // notice appears in all copies, and that both that copyright notice 30 // and this permission notice appear in supporting documentation. None 31 // of the above authors, nor IBM Haifa Research Laboratories, make any 32 // representation about the suitability of this software for any 33 // purpose. It is provided "as is" without express or implied 34 // warranty. 35 36 /** 37 * @file unordered_iterator/point_const_iterator.hpp 38 * Contains an iterator class returned by the tables' const find and insert 39 * methods. 40 */ 41 42 class point_iterator_; 43 44 /// Const point-type iterator. 45 class point_const_iterator_ 46 { 47 public: 48 /// Category. 49 typedef trivial_iterator_tag iterator_category; 50 51 /// Difference type. 52 typedef trivial_iterator_difference_type difference_type; 53 54 /// Iterator's value type. 55 typedef value_type_ value_type; 56 57 /// Iterator's pointer type. 58 typedef pointer_ pointer; 59 60 /// Iterator's const pointer type. 61 typedef const_pointer_ const_pointer; 62 63 /// Iterator's reference type. 64 typedef reference_ reference; 65 66 /// Iterator's const reference type. 67 typedef const_reference_ const_reference; 68 69 inline 70 point_const_iterator_(const_pointer p_value) : m_p_value(p_value) 71 { } 72 73 /// Default constructor. 74 inline 75 point_const_iterator_() : m_p_value(0) 76 { } 77 78 /// Copy constructor. 79 inline 80 point_const_iterator_(const point_const_iterator_& other) 81 : m_p_value(other.m_p_value) 82 { } 83 84 /// Copy constructor. 85 inline 86 point_const_iterator_(const point_iterator_& other) 87 : m_p_value(other.m_p_value) 88 { } 89 90 /// Access. 91 const_pointer 92 operator->() const 93 { 94 _GLIBCXX_DEBUG_ASSERT(m_p_value != 0); 95 return m_p_value; 96 } 97 98 /// Access. 99 const_reference 100 operator*() const 101 { 102 _GLIBCXX_DEBUG_ASSERT(m_p_value != 0); 103 return *m_p_value; 104 } 105 106 /// Compares content to a different iterator object. 107 bool 108 operator==(const point_iterator_& other) const 109 { return m_p_value == other.m_p_value; } 110 111 /// Compares content to a different iterator object. 112 bool 113 operator==(const point_const_iterator_& other) const 114 { return m_p_value == other.m_p_value; } 115 116 /// Compares content (negatively) to a different iterator object. 117 bool 118 operator!=(const point_iterator_& other) const 119 { return m_p_value != other.m_p_value; } 120 121 /// Compares content (negatively) to a different iterator object. 122 bool 123 operator!=(const point_const_iterator_& other) const 124 { return m_p_value != other.m_p_value; } 125 126 protected: 127 const_pointer m_p_value; 128 129 friend class point_iterator_; 130 131 friend class PB_DS_CLASS_C_DEC; 132 }; 133 134
