1 // -*- C++ -*- 2 3 // Copyright (C) 2005, 2006 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 2, 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 // You should have received a copy of the GNU General Public License 17 // along with this library; see the file COPYING. If not, write to 18 // the Free Software Foundation, 59 Temple Place - Suite 330, Boston, 19 // MA 02111-1307, USA. 20 21 // As a special exception, you may use this file as part of a free 22 // software library without restriction. Specifically, if other files 23 // instantiate templates or use macros or inline functions from this 24 // file, or you compile this file and link it with other files to 25 // produce an executable, this file does not by itself cause the 26 // resulting executable to be covered by the GNU General Public 27 // License. This exception does not however invalidate any other 28 // reasons why the executable file might be covered by the GNU General 29 // Public License. 30 31 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 32 33 // Permission to use, copy, modify, sell, and distribute this software 34 // is hereby granted without fee, provided that the above copyright 35 // notice appears in all copies, and that both that copyright notice 36 // and this permission notice appear in supporting documentation. None 37 // of the above authors, nor IBM Haifa Research Laboratories, make any 38 // representation about the suitability of this software for any 39 // purpose. It is provided "as is" without express or implied 40 // warranty. 41 42 /** 43 * @file point_iterator.hpp 44 * Contains an iterator class returned by the tables' find and insert 45 * methods. 46 */ 47 48 // Find type iterator. 49 class point_iterator_ 50 { 51 52 public: 53 54 // Category. 55 typedef trivial_iterator_tag iterator_category; 56 57 // Difference type. 58 typedef trivial_iterator_difference_type difference_type; 59 60 // Iterator's value type. 61 typedef value_type_ value_type; 62 63 // Iterator's pointer type. 64 typedef pointer_ pointer; 65 66 // Iterator's const pointer type. 67 typedef const_pointer_ const_pointer; 68 69 // Iterator's reference type. 70 typedef reference_ reference; 71 72 // Iterator's const reference type. 73 typedef const_reference_ const_reference; 74 75 public: 76 77 // Default constructor. 78 inline point_iterator_()79 point_iterator_() 80 81 : m_p_value(NULL) 82 { } 83 84 // Copy constructor. 85 inline point_iterator_(const point_iterator_ & other)86 point_iterator_(const point_iterator_& other) 87 88 : m_p_value(other.m_p_value) 89 { } 90 91 // Access. 92 inline pointer operator ->() const93 operator->() const 94 { 95 _GLIBCXX_DEBUG_ASSERT(m_p_value != NULL); 96 97 return (m_p_value); 98 } 99 100 // Access. 101 inline reference operator *() const102 operator*() const 103 { 104 _GLIBCXX_DEBUG_ASSERT(m_p_value != NULL); 105 106 return (*m_p_value); 107 } 108 109 // Compares content to a different iterator object. 110 inline bool operator ==(const point_iterator_ & other) const111 operator==(const point_iterator_& other) const 112 { 113 return (m_p_value == other.m_p_value); 114 } 115 116 // Compares content to a different iterator object. 117 inline bool operator ==(const const_point_iterator_ & other) const118 operator==(const 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 operator !=(const point_iterator_ & other) const125 operator!=(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 operator !=(const const_point_iterator_ & other) const132 operator!=(const const_point_iterator_& other) const 133 { 134 return (m_p_value != other.m_p_value); 135 } 136 137 inline point_iterator_(pointer p_value)138 point_iterator_(pointer p_value) : m_p_value(p_value) 139 { } 140 141 protected: 142 friend class const_point_iterator_; 143 144 friend class PB_DS_CLASS_C_DEC; 145 146 protected: 147 pointer m_p_value; 148 }; 149 150