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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 const_point_iterator.hpp | |
44 | * Contains an iterator class returned by the table's const find and insert | |
45 | * methods. | |
46 | */ | |
47 | ||
48 | #ifndef PB_DS_LEFT_CHILD_NEXT_SIBLING_HEAP_CONST_FIND_ITERATOR_HPP | |
49 | #define PB_DS_LEFT_CHILD_NEXT_SIBLING_HEAP_CONST_FIND_ITERATOR_HPP | |
50 | ||
51 | #include <ext/pb_ds/tag_and_trait.hpp> | |
47bea7b8 | 52 | #include <debug/debug.h> |
4569a895 | 53 | |
5e11f978 | 54 | namespace __gnu_pbds |
4569a895 AT |
55 | { |
56 | namespace detail | |
57 | { | |
58 | ||
4569a895 AT |
59 | #define PB_DS_CLASS_T_DEC \ |
60 | template<typename Node, class Allocator> | |
61 | ||
47bea7b8 BK |
62 | #define PB_DS_CLASS_C_DEC \ |
63 | left_child_next_sibling_heap_node_const_point_iterator_<Node, Allocator> | |
4569a895 AT |
64 | |
65 | // Const point-type iterator. | |
66 | template<typename Node, class Allocator> | |
67 | class left_child_next_sibling_heap_node_const_point_iterator_ | |
68 | { | |
69 | ||
70 | protected: | |
47bea7b8 | 71 | typedef typename Allocator::template rebind<Node>::other::pointer node_pointer; |
4569a895 AT |
72 | |
73 | public: | |
74 | ||
75 | // Category. | |
76 | typedef trivial_iterator_tag iterator_category; | |
77 | ||
78 | // Difference type. | |
79 | typedef trivial_iterator_difference_type difference_type; | |
80 | ||
81 | // Iterator's value type. | |
82 | typedef typename Node::value_type value_type; | |
83 | ||
84 | // Iterator's pointer type. | |
85 | typedef | |
86 | typename Allocator::template rebind< | |
87 | value_type>::other::pointer | |
88 | pointer; | |
89 | ||
90 | // Iterator's const pointer type. | |
91 | typedef | |
92 | typename Allocator::template rebind< | |
93 | value_type>::other::const_pointer | |
94 | const_pointer; | |
95 | ||
96 | // Iterator's reference type. | |
97 | typedef | |
98 | typename Allocator::template rebind< | |
99 | value_type>::other::reference | |
100 | reference; | |
101 | ||
102 | // Iterator's const reference type. | |
103 | typedef | |
104 | typename Allocator::template rebind< | |
105 | value_type>::other::const_reference | |
106 | const_reference; | |
107 | ||
108 | public: | |
109 | ||
110 | inline | |
111 | left_child_next_sibling_heap_node_const_point_iterator_(node_pointer p_nd) : m_p_nd(p_nd) | |
112 | { } | |
113 | ||
114 | // Default constructor. | |
115 | inline | |
47bea7b8 | 116 | left_child_next_sibling_heap_node_const_point_iterator_() : m_p_nd(NULL) |
4569a895 AT |
117 | { } |
118 | ||
119 | // Copy constructor. | |
120 | inline | |
47bea7b8 | 121 | left_child_next_sibling_heap_node_const_point_iterator_(const PB_DS_CLASS_C_DEC& other) : m_p_nd(other.m_p_nd) |
4569a895 AT |
122 | { } |
123 | ||
124 | // Access. | |
125 | inline const_pointer | |
126 | operator->() const | |
127 | { | |
47bea7b8 BK |
128 | _GLIBCXX_DEBUG_ASSERT(m_p_nd != NULL); |
129 | return &m_p_nd->m_value; | |
4569a895 AT |
130 | } |
131 | ||
132 | // Access. | |
133 | inline const_reference | |
134 | operator*() const | |
135 | { | |
47bea7b8 BK |
136 | _GLIBCXX_DEBUG_ASSERT(m_p_nd != NULL); |
137 | return m_p_nd->m_value; | |
4569a895 AT |
138 | } |
139 | ||
140 | // Compares content to a different iterator object. | |
141 | inline bool | |
142 | operator==(const PB_DS_CLASS_C_DEC& other) const | |
47bea7b8 | 143 | { return m_p_nd == other.m_p_nd; } |
4569a895 AT |
144 | |
145 | // Compares content (negatively) to a different iterator object. | |
146 | inline bool | |
147 | operator!=(const PB_DS_CLASS_C_DEC& other) const | |
47bea7b8 | 148 | { return m_p_nd != other.m_p_nd; } |
4569a895 AT |
149 | |
150 | public: | |
151 | node_pointer m_p_nd; | |
152 | }; | |
153 | ||
154 | #undef PB_DS_CLASS_T_DEC | |
155 | #undef PB_DS_CLASS_C_DEC | |
156 | ||
4569a895 | 157 | } // namespace detail |
5e11f978 | 158 | } // namespace __gnu_pbds |
4569a895 | 159 | |
47bea7b8 | 160 | #endif |