1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
// -*- C++ -*-
// Copyright (C) 2005, 2006 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the terms
// of the GNU General Public License as published by the Free Software
// Foundation; either version 2, or (at your option) any later
// version.
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this library; see the file COPYING. If not, write to
// the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
// MA 02111-1307, USA.
// As a special exception, you may use this file as part of a free
// software library without restriction. Specifically, if other files
// instantiate templates or use macros or inline functions from this
// file, or you compile this file and link it with other files to
// produce an executable, this file does not by itself cause the
// resulting executable to be covered by the GNU General Public
// License. This exception does not however invalidate any other
// reasons why the executable file might be covered by the GNU General
// Public License.
// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
// Permission to use, copy, modify, sell, and distribute this software
// is hereby granted without fee, provided that the above copyright
// notice appears in all copies, and that both that copyright notice
// and this permission notice appear in supporting documentation. None
// of the above authors, nor IBM Haifa Research Laboratories, make any
// representation about the suitability of this software for any
// purpose. It is provided "as is" without express or implied
// warranty.
/**
* @file const_iterator.hpp
* Contains an iterator class returned by the table's const find and insert
* methods.
*/
#ifndef PB_DS_BINARY_HEAP_CONST_ITERATOR_HPP
#define PB_DS_BINARY_HEAP_CONST_ITERATOR_HPP
#include <ext/pb_ds/detail/binary_heap_/const_point_iterator.hpp>
#include <debug/debug.h>
namespace pb_ds
{
namespace detail
{
#define PB_DS_CLASS_C_DEC \
binary_heap_const_iterator_<Value_Type, Entry, Simple, Allocator>
#define PB_DS_BASE_C_DEC \
binary_heap_const_point_iterator_<Value_Type, Entry, Simple, Allocator>
// Const point-type iterator.
template<typename Value_Type,
typename Entry,
bool Simple,
class Allocator>
class binary_heap_const_iterator_ : public PB_DS_BASE_C_DEC
{
private:
typedef typename PB_DS_BASE_C_DEC::entry_pointer entry_pointer;
typedef PB_DS_BASE_C_DEC base_type;
public:
// Category.
typedef std::forward_iterator_tag iterator_category;
// Difference type.
typedef typename Allocator::difference_type difference_type;
// Iterator's value type.
typedef typename base_type::value_type value_type;
// Iterator's pointer type.
typedef typename base_type::pointer pointer;
// Iterator's const pointer type.
typedef typename base_type::const_pointer const_pointer;
// Iterator's reference type.
typedef typename base_type::reference reference;
// Iterator's const reference type.
typedef typename base_type::const_reference const_reference;
public:
inline
binary_heap_const_iterator_(entry_pointer p_e) : base_type(p_e)
{ }
// Default constructor.
inline
binary_heap_const_iterator_()
{ }
// Copy constructor.
inline
binary_heap_const_iterator_(const PB_DS_CLASS_C_DEC& other) : base_type(other)
{ }
// Compares content to a different iterator object.
inline bool
operator==(const PB_DS_CLASS_C_DEC& other) const
{
return base_type::m_p_e == other.m_p_e;
}
// Compares content (negatively) to a different iterator object.
inline bool
operator!=(const PB_DS_CLASS_C_DEC& other) const
{
return base_type::m_p_e != other.m_p_e;
}
inline PB_DS_CLASS_C_DEC&
operator++()
{
_GLIBCXX_DEBUG_ASSERT(base_type::m_p_e != NULL);
inc();
return *this;
}
inline PB_DS_CLASS_C_DEC
operator++(int)
{
PB_DS_CLASS_C_DEC ret_it(base_type::m_p_e);
operator++();
return ret_it;
}
private:
void
inc()
{ ++base_type::m_p_e; }
};
#undef PB_DS_CLASS_C_DEC
#undef PB_DS_BASE_C_DEC
} // namespace detail
} // namespace pb_ds
#endif
|
