release/src-rt-6.x.4708/toolchains/hndtools-arm-linux-2.6.36-uclibc-4.5.3/arm-brcm-linux-uclibcgnueabi/include/c++/4.5.3/ext/pb_ds/detail/pat_trie_/child_iterator.hpp

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005, 2006, 2009 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 3, 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 // 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.
  19
  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/>.
  24
  25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
  26
  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
  34 // warranty.
  35
  36 /**
  37  * @file child_iterator.hpp
  38  * Contains a iterator for a patricia tree.
  39  */
  40
  41 struct iterator : public const_iterator
  42 {
  43 public:
  44   typedef std::forward_iterator_tag iterator_category;
  45   typedef typename Allocator::difference_type difference_type;
  46   typedef node_pointer value_type;
  47   typedef node_pointer_pointer pointer;
  48   typedef node_pointer_reference reference;
  49
  50   inline
  51   iterator(node_pointer_pointer p_p_cur = NULL,
  52            node_pointer_pointer p_p_end = NULL)
  53   : const_iterator(p_p_cur, p_p_end)
  54   { }
  55
  56   inline bool
  57   operator==(const iterator& other) const
  58   { return const_iterator::m_p_p_cur == other.m_p_p_cur; }
  59
  60   inline bool
  61   operator!=(const iterator& other) const
  62   { return const_iterator::m_p_p_cur != other.m_p_p_cur; }
  63
  64   inline iterator&
  65   operator++()
  66   {
  67     const_iterator::operator++();
  68     return *this;
  69   }
  70
  71   inline iterator
  72   operator++(int)
  73   {
  74     iterator ret_it(*this);
  75     operator++();
  76     return ret_it;
  77   }
  78
  79   node_pointer_pointer
  80   operator->()
  81   {
  82     _GLIBCXX_DEBUG_ONLY(const_iterator::assert_referencible();)
  83     return const_iterator::m_p_p_cur;
  84   }
  85
  86   node_pointer
  87   operator*()
  88   {
  89     _GLIBCXX_DEBUG_ONLY(const_iterator::assert_referencible();)
  90     return *const_iterator::m_p_p_cur;
  91   }
  92 };
  93