old-autovect-branch/libstdc++-v3/include/ext/pb_assoc/detail/lu_map_/find_fn_imps.hpp

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005 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
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 2, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  19 // USA.
  20
  21 // As a special exception, you may use this file as part of a free software
  22 // library without restriction.  Specifically, if other files instantiate
  23 // templates or use macros or inline functions from this file, or you compile
  24 // this file and link it with other files to produce an executable, this
  25 // file does not by itself cause the resulting executable to be covered by
  26 // the GNU General Public License.  This exception does not however
  27 // invalidate any other reasons why the executable file might be covered by
  28 // the GNU General Public License.
  29
  30 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
  31
  32 // Permission to use, copy, modify, sell, and distribute this software
  33 // is hereby granted without fee, provided that the above copyright
  34 // notice appears in all copies, and that both that copyright notice and
  35 // this permission notice appear in supporting documentation. None of
  36 // the above authors, nor IBM Haifa Research Laboratories, make any
  37 // representation about the suitability of this software for any
  38 // purpose. It is provided "as is" without express or implied warranty.
  39
  40 /**
  41  * @file find_fn_imps.hpp
  42  * Contains implementations of lu_map_.
  43  */
  44
  45 PB_ASSOC_CLASS_T_DEC
  46 inline typename PB_ASSOC_CLASS_C_DEC::find_iterator
  47 PB_ASSOC_CLASS_C_DEC::
  48 find_end()
  49 {
  50   return (NULL);
  51 }
  52
  53 PB_ASSOC_CLASS_T_DEC
  54 inline typename PB_ASSOC_CLASS_C_DEC::const_find_iterator
  55 PB_ASSOC_CLASS_C_DEC::
  56 find_end() const
  57 {
  58   return (NULL);
  59 }
  60
  61 PB_ASSOC_CLASS_T_DEC
  62 inline void
  63 PB_ASSOC_CLASS_C_DEC::
  64 move_next_to_front(entry_pointer p_l) const
  65 {
  66   entry_pointer p_move_l = p_l->m_p_next;
  67
  68   PB_ASSOC_DBG_ASSERT(p_move_l != NULL);
  69
  70   p_l->m_p_next = p_move_l->m_p_next;
  71
  72   p_move_l->m_p_next = m_p_l->m_p_next;
  73
  74   m_p_l->m_p_next = p_move_l;
  75 }
  76
  77 #ifdef PB_ASSOC_DATA_TRUE_INDICATOR
  78 PB_ASSOC_CLASS_T_DEC
  79 inline typename PB_ASSOC_CLASS_C_DEC::const_data_reference
  80 PB_ASSOC_CLASS_C_DEC::
  81 const_subscript_imp(const_key_reference r_key) const
  82 {
  83   entry_pointer p_l = find_imp(r_key);
  84
  85   PB_ASSOC_DBG_ASSERT(p_l->m_p_next != NULL)
  86
  87     if (Update_Policy::operator()(p_l->m_update_metadata))
  88       {
  89         move_next_to_front(p_l);
  90
  91         return (m_p_l->m_p_next->m_value.second);
  92       }
  93     else
  94       return (p_l->m_p_next->m_value.second);
  95 }
  96 #endif // #ifdef PB_ASSOC_DATA_TRUE_INDICATOR
  97
  98 PB_ASSOC_CLASS_T_DEC
  99 inline typename PB_ASSOC_CLASS_C_DEC::find_iterator
 100 PB_ASSOC_CLASS_C_DEC::find(const_key_reference r_key)
 101 {
 102   PB_ASSOC_DBG_ONLY(assert_valid();)
 103
 104     entry_pointer p_l = find_imp(r_key);
 105
 106   if (p_l->m_p_next != NULL)
 107     {
 108       PB_ASSOC_DBG_ONLY(assert_valid();)
 109
 110         return (&p_l->m_p_next->m_value);
 111     }
 112
 113   PB_ASSOC_DBG_ONLY(assert_valid();)
 114
 115     return (find_end());
 116 }
 117
 118 PB_ASSOC_CLASS_T_DEC
 119 inline typename PB_ASSOC_CLASS_C_DEC::const_find_iterator
 120 PB_ASSOC_CLASS_C_DEC::find(const_key_reference r_key) const
 121 {
 122   PB_ASSOC_DBG_ONLY(assert_valid();)
 123
 124     entry_pointer p_l = find_imp(r_key);
 125
 126   if (p_l->m_p_next != NULL)
 127     {
 128       PB_ASSOC_DBG_ONLY(assert_valid();)
 129
 130         return (&m_p_l->m_p_next->m_value);
 131     }
 132
 133   PB_ASSOC_DBG_ONLY(assert_valid();)
 134
 135     return (find_end());
 136 }