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 child_iterator.hpp
44 * Contains a iterator for a patricia tree.
45 */
46
47struct iterator : public const_iterator
48{
49public:
50  typedef std::forward_iterator_tag iterator_category;
51  typedef typename Allocator::difference_type difference_type;
52  typedef node_pointer value_type;
53  typedef node_pointer_pointer pointer;
54  typedef node_pointer_reference reference;
55
56  inline
57  iterator(node_pointer_pointer p_p_cur = NULL,
58	   node_pointer_pointer p_p_end = NULL)
59  : const_iterator(p_p_cur, p_p_end)
60  { }
61
62  inline bool
63  operator==(const iterator& other) const
64  { return const_iterator::m_p_p_cur == other.m_p_p_cur; }
65
66  inline bool
67  operator!=(const iterator& other) const
68  { return const_iterator::m_p_p_cur != other.m_p_p_cur; }
69
70  inline iterator&
71  operator++()
72  {
73    const_iterator::operator++();
74    return *this;
75  }
76
77  inline iterator
78  operator++(int)
79  {
80    iterator ret_it(*this);
81    operator++();
82    return ret_it;
83  }
84
85  node_pointer_pointer
86  operator->()
87  {
88    _GLIBCXX_DEBUG_ONLY(const_iterator::assert_referencible();)
89    return const_iterator::m_p_p_cur;
90  }
91
92  node_pointer
93  operator*()
94  {
95    _GLIBCXX_DEBUG_ONLY(const_iterator::assert_referencible();)
96    return *const_iterator::m_p_p_cur;
97  }
98};
99
100