libstdc++-v3/include/ext/pb_ds/detail/pat_trie_/iterators_fn_imps.hpp

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005-2024 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 #ifdef PB_DS_CLASS_C_DEC
  42
  43 PB_DS_CLASS_T_DEC
  44 inline typename PB_DS_CLASS_C_DEC::iterator
  45 PB_DS_CLASS_C_DEC::
  46 begin()
  47 { return iterator(m_p_head->m_p_min); }
  48
  49 PB_DS_CLASS_T_DEC
  50 inline typename PB_DS_CLASS_C_DEC::const_iterator
  51 PB_DS_CLASS_C_DEC::
  52 begin() const
  53 { return const_iterator(m_p_head->m_p_min); }
  54
  55 PB_DS_CLASS_T_DEC
  56 inline typename PB_DS_CLASS_C_DEC::iterator
  57 PB_DS_CLASS_C_DEC::
  58 end()
  59 { return iterator(m_p_head); }
  60
  61 PB_DS_CLASS_T_DEC
  62 inline typename PB_DS_CLASS_C_DEC::const_iterator
  63 PB_DS_CLASS_C_DEC::
  64 end() const
  65 { return const_iterator(m_p_head); }
  66
  67 PB_DS_CLASS_T_DEC
  68 inline typename PB_DS_CLASS_C_DEC::const_reverse_iterator
  69 PB_DS_CLASS_C_DEC::
  70 rbegin() const
  71 {
  72   if (empty())
  73     return rend();
  74   return --end();
  75 }
  76
  77 PB_DS_CLASS_T_DEC
  78 inline typename PB_DS_CLASS_C_DEC::reverse_iterator
  79 PB_DS_CLASS_C_DEC::
  80 rbegin()
  81 {
  82   if (empty())
  83     return rend();
  84   return --end();
  85 }
  86
  87 PB_DS_CLASS_T_DEC
  88 inline typename PB_DS_CLASS_C_DEC::reverse_iterator
  89 PB_DS_CLASS_C_DEC::
  90 rend()
  91 { return reverse_iterator(m_p_head); }
  92
  93 PB_DS_CLASS_T_DEC
  94 inline typename PB_DS_CLASS_C_DEC::const_reverse_iterator
  95 PB_DS_CLASS_C_DEC::
  96 rend() const
  97 { return const_reverse_iterator(m_p_head); }
  98
  99 PB_DS_CLASS_T_DEC
 100 inline typename PB_DS_CLASS_C_DEC::node_const_iterator
 101 PB_DS_CLASS_C_DEC::
 102 node_begin() const
 103 { return node_const_iterator(m_p_head->m_p_parent, this); }
 104
 105 PB_DS_CLASS_T_DEC
 106 inline typename PB_DS_CLASS_C_DEC::node_iterator
 107 PB_DS_CLASS_C_DEC::
 108 node_begin()
 109 { return node_iterator(m_p_head->m_p_parent, this); }
 110
 111 PB_DS_CLASS_T_DEC
 112 inline typename PB_DS_CLASS_C_DEC::node_const_iterator
 113 PB_DS_CLASS_C_DEC::
 114 node_end() const
 115 { return node_const_iterator(0, this); }
 116
 117 PB_DS_CLASS_T_DEC
 118 inline typename PB_DS_CLASS_C_DEC::node_iterator
 119 PB_DS_CLASS_C_DEC::
 120 node_end()
 121 { return node_iterator(0, this); }
 122
 123 #endif