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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 | |
79 | point_iterator_() | |
80 | ||
81 | : m_p_value(NULL) | |
82 | { } | |
83 | ||
84 | // Copy constructor. | |
85 | inline | |
86 | point_iterator_(const point_iterator_& other) | |
87 | ||
88 | : m_p_value(other.m_p_value) | |
89 | { } | |
90 | ||
91 | // Access. | |
92 | inline pointer | |
93 | operator->() const | |
94 | { | |
47bea7b8 | 95 | _GLIBCXX_DEBUG_ASSERT(m_p_value != NULL); |
4569a895 AT |
96 | |
97 | return (m_p_value); | |
98 | } | |
99 | ||
100 | // Access. | |
101 | inline reference | |
102 | operator*() const | |
103 | { | |
47bea7b8 | 104 | _GLIBCXX_DEBUG_ASSERT(m_p_value != NULL); |
4569a895 AT |
105 | |
106 | return (*m_p_value); | |
107 | } | |
108 | ||
109 | // Compares content to a different iterator object. | |
110 | inline bool | |
111 | 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 | |
118 | 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 | |
125 | 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 | |
132 | operator!=(const const_point_iterator_& other) const | |
133 | { | |
134 | return (m_p_value != other.m_p_value); | |
135 | } | |
136 | ||
137 | inline | |
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 |