3 // Copyright (C) 2005, 2006, 2009 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
37 * @file const_child_iterator.hpp
38 * Contains a const_iterator for a patricia tree.
44 typedef std::forward_iterator_tag iterator_category
;
46 typedef typename
Allocator::difference_type difference_type
;
48 typedef node_pointer value_type
;
50 typedef node_pointer_pointer pointer
;
52 typedef node_pointer_reference reference
;
56 const_iterator(node_pointer_pointer p_p_cur
= 0,
57 node_pointer_pointer p_p_end
= 0)
58 : m_p_p_cur(p_p_cur
), m_p_p_end(p_p_end
)
62 operator==(const const_iterator
& other
) const
63 { return m_p_p_cur
== other
.m_p_p_cur
; }
66 operator!=(const const_iterator
& other
) const
67 { return m_p_p_cur
!= other
.m_p_p_cur
; }
69 inline const_iterator
&
74 while (m_p_p_cur
!= m_p_p_end
&& * m_p_p_cur
== 0);
81 const_iterator
ret_it(*this);
86 const node_pointer_pointer
89 _GLIBCXX_DEBUG_ONLY(assert_referencible();)
96 _GLIBCXX_DEBUG_ONLY(assert_referencible();)
101 #ifdef _GLIBCXX_DEBUG
103 assert_referencible() const
104 { _GLIBCXX_DEBUG_ASSERT(m_p_p_cur
!= m_p_p_end
&& * m_p_p_cur
!= 0); }
108 node_pointer_pointer m_p_p_cur
;
109 node_pointer_pointer m_p_p_end
;