1// -*- C++ -*- 2 3// Copyright (C) 2005, 2006, 2009 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 const_point_iterator.hpp 38 * Contains an iterator class returned by the tables' const find and insert 39 * methods. 40 */ 41 42class point_iterator_; 43 44// Const point-type iterator. 45class const_point_iterator_ 46{ 47 48public: 49 50 // Category. 51 typedef trivial_iterator_tag iterator_category; 52 53 // Difference type. 54 typedef trivial_iterator_difference_type difference_type; 55 56 // Iterator's value type. 57 typedef value_type_ value_type; 58 59 // Iterator's pointer type. 60 typedef pointer_ pointer; 61 62 // Iterator's const pointer type. 63 typedef const_pointer_ const_pointer; 64 65 // Iterator's reference type. 66 typedef reference_ reference; 67 68 // Iterator's const reference type. 69 typedef const_reference_ const_reference; 70 71public: 72 73 inline 74 const_point_iterator_(const_pointer p_value) : m_p_value(p_value) 75 { } 76 77 // Default constructor. 78 inline 79 const_point_iterator_() 80 81 : m_p_value(NULL) 82 { } 83 84 // Copy constructor. 85 inline 86 const_point_iterator_(const const_point_iterator_& other) 87 88 : m_p_value(other.m_p_value) 89 { } 90 91 // Copy constructor. 92 inline 93 const_point_iterator_(const point_iterator_& other) 94 95 : m_p_value(other.m_p_value) 96 { } 97 98 // Access. 99 inline const_pointer 100 operator->() const 101 { 102 _GLIBCXX_DEBUG_ASSERT(m_p_value != NULL); 103 104 return (m_p_value); 105 } 106 107 // Access. 108 inline const_reference 109 operator*() const 110 { 111 _GLIBCXX_DEBUG_ASSERT(m_p_value != NULL); 112 113 return (*m_p_value); 114 } 115 116 // Compares content to a different iterator object. 117 inline bool 118 operator==(const point_iterator_& other) const 119 { 120 return (m_p_value == other.m_p_value); 121 } 122 123 // Compares content to a different iterator object. 124 inline bool 125 operator==(const const_point_iterator_& other) const 126 { 127 return (m_p_value == other.m_p_value); 128 } 129 130 // Compares content (negatively) to a different iterator object. 131 inline bool 132 operator!=(const point_iterator_& other) const 133 { 134 return (m_p_value != other.m_p_value); 135 } 136 137 // Compares content (negatively) to a different iterator object. 138 inline bool 139 operator!=(const const_point_iterator_& other) const 140 { 141 return (m_p_value != other.m_p_value); 142 } 143 144protected: 145 const_pointer m_p_value; 146 147 friend class point_iterator_; 148 149 friend class PB_DS_CLASS_C_DEC; 150}; 151 152