3 // Copyright (C) 2005-2023 Free Software Foundation, Inc.
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
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.
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.
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/>.
25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
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
38 * Contains an iterator_ class used for ranging over the elements of the
41 * This file is intended to be included inside a class definition, with
42 * PB_DS_CLASS_C_DEC defined to the name of the enclosing class.
45 #ifdef PB_DS_CLASS_C_DEC
46 /// Range-type iterator.
48 : public const_iterator_
52 typedef std::forward_iterator_tag iterator_category;
55 typedef typename _Alloc::difference_type difference_type;
57 /// Iterator's value type.
58 typedef value_type_ value_type;
60 /// Iterator's pointer type.
61 typedef pointer_ pointer;
63 /// Iterator's const pointer type.
64 typedef const_pointer_ const_pointer;
66 /// Iterator's reference type.
67 typedef reference_ reference;
69 /// Iterator's const reference type.
70 typedef const_reference_ const_reference;
72 /// Default constructor.
75 : const_iterator_(0, PB_DS_GEN_POS(), 0) { }
77 /// Conversion to a point-type iterator.
79 operator point_iterator_()
80 { return point_iterator_(const_cast<pointer>(const_iterator_::m_p_value)); }
82 /// Conversion to a point-type iterator.
84 operator const point_iterator_() const
85 { return point_iterator_(const_cast<pointer>(const_iterator_::m_p_value)); }
91 _GLIBCXX_DEBUG_ASSERT(base_type::m_p_value != 0);
92 return (const_cast<pointer>(base_type::m_p_value));
99 _GLIBCXX_DEBUG_ASSERT(base_type::m_p_value != 0);
100 return (const_cast<reference>(*base_type::m_p_value));
107 base_type::m_p_tbl->inc_it_state(base_type::m_p_value, base_type::m_pos);
115 iterator_ ret =* this;
116 base_type::m_p_tbl->inc_it_state(base_type::m_p_value, base_type::m_pos);
121 typedef const_iterator_ base_type;
124 * Constructor used by the table to initiate the generalized
125 * pointer and position (e.g., this is called from within a find()
129 iterator_(pointer p_value, PB_DS_GEN_POS pos, PB_DS_CLASS_C_DEC* p_tbl)
130 : const_iterator_(p_value, pos, p_tbl)
133 friend class PB_DS_CLASS_C_DEC;