libstdc++
unordered_iterator/point_const_iterator.hpp
Go to the documentation of this file.
1 // -*- C++ -*-
2 
3 // Copyright (C) 2005-2019 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.
46 {
47 public:
48  /// Category.
49  typedef trivial_iterator_tag iterator_category;
50 
51  /// 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
81  : m_p_value(other.m_p_value)
82  { }
83 
84  /// Copy constructor.
85  inline
87  : m_p_value(other.m_p_value)
88  { }
89 
90  /// Access.
92  operator->() const
93  {
94  _GLIBCXX_DEBUG_ASSERT(m_p_value != 0);
95  return m_p_value;
96  }
97 
98  /// Access.
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 
trivial_iterator_tag iterator_category
Category.
pointer_ pointer
Iterator&#39;s pointer type.
reference_ reference
Iterator&#39;s reference type.
const_reference_ const_reference
Iterator&#39;s const reference type.
bool operator!=(const point_const_iterator_ &other) const
Compares content (negatively) to a different iterator object.
point_const_iterator_(const point_iterator_ &other)
Copy constructor.
bool operator==(const point_const_iterator_ &other) const
Compares content to a different iterator object.
point_const_iterator_(const point_const_iterator_ &other)
Copy constructor.
bool operator!=(const point_iterator_ &other) const
Compares content (negatively) to a different iterator object.
void trivial_iterator_difference_type
Prohibit moving trivial iterators.
const_pointer_ const_pointer
Iterator&#39;s const pointer type.
trivial_iterator_difference_type difference_type
Difference type.
const_reference operator*() const
Access.
Find type iterator.
bool operator==(const point_iterator_ &other) const
Compares content to a different iterator object.
value_type_ value_type
Iterator&#39;s value type.