1// -*- C++ -*-
2
3// Copyright (C) 2005 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
7// terms of the GNU General Public License as published by the
8// Free Software Foundation; either version 2, or (at your option)
9// any later version.
10
11// This library is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14// GNU General Public License for more details.
15
16// You should have received a copy of the GNU General Public License along
17// with this library; see the file COPYING.  If not, write to the Free
18// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
19// USA.
20
21// As a special exception, you may use this file as part of a free software
22// library without restriction.  Specifically, if other files instantiate
23// templates or use macros or inline functions from this file, or you compile
24// this file and link it with other files to produce an executable, this
25// file does not by itself cause the resulting executable to be covered by
26// the GNU General Public License.  This exception does not however
27// invalidate any other reasons why the executable file might be covered by
28// the GNU General Public License.
29
30// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
31
32// Permission to use, copy, modify, sell, and distribute this software
33// is hereby granted without fee, provided that the above copyright
34// notice appears in all copies, and that both that copyright notice and
35// this permission notice appear in supporting documentation. None of
36// the above authors, nor IBM Haifa Research Laboratories, make any
37// representation about the suitability of this software for any
38// purpose. It is provided "as is" without express or implied warranty.
39
40/**
41 * @file const_find_iterator.hpp
42 * Contains an iterator class returned by the tables' const find and insert
43 *   methods.
44 */
45
46class find_iterator_;
47
48class const_find_iterator_
49{
50
51public:
52
53  typedef trivial_iterator_tag iterator_category;
54
55  typedef trivial_iterator_difference_type difference_type;
56
57  typedef mapped_value_type value_type;
58
59  typedef mapped_pointer pointer;
60
61  typedef const_mapped_pointer const_pointer;
62
63  typedef mapped_reference reference;
64
65  typedef const_mapped_reference const_reference;
66
67public:
68
69  inline
70  const_find_iterator_(const_pointer p_value) : m_p_value(p_value)
71  { }
72
73  inline
74  const_find_iterator_()
75
76    : m_p_value(NULL)
77  { }
78
79  inline
80  const_find_iterator_(const const_find_iterator_& r_other)
81
82    : m_p_value(r_other.m_p_value)
83  { }
84
85  inline
86  const_find_iterator_(const find_iterator_& r_other)
87
88    : m_p_value(r_other.m_p_value)
89  { }
90
91  inline const_pointer
92  operator->() const
93  {
94    PB_ASSOC_DBG_ASSERT(m_p_value != NULL);
95
96    return (m_p_value);
97  }
98
99  inline const_reference
100  operator*() const
101  {
102    PB_ASSOC_DBG_ASSERT(m_p_value != NULL);
103
104    return (*m_p_value);
105  }
106
107  inline bool
108  operator==(const find_iterator_& r_other) const
109  {
110    return (m_p_value == r_other.m_p_value);
111  }
112
113  inline bool
114  operator==(const const_find_iterator_& r_other) const
115  {
116    return (m_p_value == r_other.m_p_value);
117  }
118
119  inline bool
120  operator!=(const find_iterator_& r_other) const
121  {
122    return (m_p_value != r_other.m_p_value);
123  }
124
125  inline bool
126  operator!=(const const_find_iterator_& r_other) const
127  {
128    return (m_p_value != r_other.m_p_value);
129  }
130
131protected:
132  const_pointer m_p_value;
133
134  friend class find_iterator_;
135
136  friend class PB_ASSOC_CLASS_C_DEC;
137};
138
139