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      1 // -*- C++ -*-
      2 
      3 // Copyright (C) 2005-2013 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 pat_trie_/iterators_fn_imps.hpp
     38  * Contains an implementation class for pat_trie.
     39  */
     40 
     41 PB_DS_CLASS_T_DEC
     42 inline typename PB_DS_CLASS_C_DEC::iterator
     43 PB_DS_CLASS_C_DEC::
     44 begin()
     45 { return iterator(m_p_head->m_p_min); }
     46 
     47 PB_DS_CLASS_T_DEC
     48 inline typename PB_DS_CLASS_C_DEC::const_iterator
     49 PB_DS_CLASS_C_DEC::
     50 begin() const
     51 { return const_iterator(m_p_head->m_p_min); }
     52 
     53 PB_DS_CLASS_T_DEC
     54 inline typename PB_DS_CLASS_C_DEC::iterator
     55 PB_DS_CLASS_C_DEC::
     56 end()
     57 { return iterator(m_p_head); }
     58 
     59 PB_DS_CLASS_T_DEC
     60 inline typename PB_DS_CLASS_C_DEC::const_iterator
     61 PB_DS_CLASS_C_DEC::
     62 end() const
     63 { return const_iterator(m_p_head); }
     64 
     65 PB_DS_CLASS_T_DEC
     66 inline typename PB_DS_CLASS_C_DEC::const_reverse_iterator
     67 PB_DS_CLASS_C_DEC::
     68 rbegin() const
     69 {
     70   if (empty())
     71     return rend();
     72   return --end();
     73 }
     74 
     75 PB_DS_CLASS_T_DEC
     76 inline typename PB_DS_CLASS_C_DEC::reverse_iterator
     77 PB_DS_CLASS_C_DEC::
     78 rbegin()
     79 {
     80   if (empty())
     81     return rend();
     82   return --end();
     83 }
     84 
     85 PB_DS_CLASS_T_DEC
     86 inline typename PB_DS_CLASS_C_DEC::reverse_iterator
     87 PB_DS_CLASS_C_DEC::
     88 rend()
     89 { return reverse_iterator(m_p_head); }
     90 
     91 PB_DS_CLASS_T_DEC
     92 inline typename PB_DS_CLASS_C_DEC::const_reverse_iterator
     93 PB_DS_CLASS_C_DEC::
     94 rend() const
     95 { return const_reverse_iterator(m_p_head); }
     96 
     97 PB_DS_CLASS_T_DEC
     98 inline typename PB_DS_CLASS_C_DEC::node_const_iterator
     99 PB_DS_CLASS_C_DEC::
    100 node_begin() const
    101 { return node_const_iterator(m_p_head->m_p_parent, this); }
    102 
    103 PB_DS_CLASS_T_DEC
    104 inline typename PB_DS_CLASS_C_DEC::node_iterator
    105 PB_DS_CLASS_C_DEC::
    106 node_begin()
    107 { return node_iterator(m_p_head->m_p_parent, this); }
    108 
    109 PB_DS_CLASS_T_DEC
    110 inline typename PB_DS_CLASS_C_DEC::node_const_iterator
    111 PB_DS_CLASS_C_DEC::
    112 node_end() const
    113 { return node_const_iterator(0, this); }
    114 
    115 PB_DS_CLASS_T_DEC
    116 inline typename PB_DS_CLASS_C_DEC::node_iterator
    117 PB_DS_CLASS_C_DEC::
    118 node_end()
    119 { return node_iterator(0, this); }
    120 
    121