old-autovect-branch/libstdc++-v3/include/ext/pb_assoc/detail/lu_map_/insert_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 insert_fn_imps.hpp
  42  * Contains implementations of lu_map_.
  43  */
  44
  45 PB_ASSOC_CLASS_T_DEC
  46 inline std::pair<
  47   typename PB_ASSOC_CLASS_C_DEC::find_iterator,
  48   bool>
  49 PB_ASSOC_CLASS_C_DEC::
  50 insert(const_reference r_val)
  51 {
  52   PB_ASSOC_DBG_ONLY(assert_valid();)
  53
  54     entry_pointer p_l = find_imp(PB_ASSOC_V2F(r_val));
  55
  56   bool found = true;
  57
  58   if (p_l->m_p_next == NULL)
  59     {
  60       found = false;
  61
  62       insert_new_after(p_l, r_val);
  63     }
  64
  65   PB_ASSOC_DBG_ASSERT(Eq_Fn::operator()(
  66                                         PB_ASSOC_V2F(p_l->m_p_next->m_value),
  67                                         PB_ASSOC_V2F(r_val)));
  68
  69   PB_ASSOC_DBG_ONLY(assert_valid();)
  70
  71     if (Update_Policy::operator()(p_l->m_update_metadata))
  72       {
  73         move_next_to_front(p_l);
  74
  75         return (std::make_pair(
  76                                find_iterator(&m_p_l->m_p_next->m_value),
  77                                !found));
  78       }
  79     else
  80       return (std::make_pair(
  81                              find_iterator(&p_l->m_p_next->m_value),
  82                              !found));
  83 }
  84
  85 PB_ASSOC_CLASS_T_DEC
  86 inline void
  87 PB_ASSOC_CLASS_C_DEC::
  88 insert_new_after(entry_pointer p_l, const_reference r_val)
  89 {
  90   PB_ASSOC_DBG_ONLY(my_map_debug_base::check_key_does_not_exist(
  91                                                                 PB_ASSOC_V2F(r_val));)
  92
  93     entry_pointer p_new_l = s_entry_allocator.allocate(1);
  94
  95   cond_dealtor_t cond(p_new_l);
  96
  97   new (const_cast<void* >(
  98                           static_cast<const void* >(&p_new_l->m_value)))
  99     value_type(r_val);
 100
 101   cond.set_no_action();
 102
 103   PB_ASSOC_DBG_ASSERT(p_l->m_p_next == NULL);
 104   p_l->m_p_next = p_new_l;
 105
 106   p_new_l->m_p_next = NULL;
 107
 108   ++m_size;
 109
 110   PB_ASSOC_DBG_ONLY(my_map_debug_base::insert_new(PB_ASSOC_V2F(r_val));)
 111     }
 112
 113 #ifdef PB_ASSOC_DATA_TRUE_INDICATOR
 114 PB_ASSOC_CLASS_T_DEC
 115 inline typename PB_ASSOC_CLASS_C_DEC::data_reference
 116 PB_ASSOC_CLASS_C_DEC::
 117 subscript_imp(const_key_reference r_key)
 118 {
 119   PB_ASSOC_DBG_ONLY(assert_valid();)
 120
 121     entry_pointer p_l = find_imp(r_key);
 122
 123   bool found = true;
 124
 125   if (p_l->m_p_next == NULL)
 126     {
 127       found = false;
 128
 129       insert_new_after(p_l, value_type(r_key, data_type()));
 130     }
 131
 132   PB_ASSOC_DBG_ASSERT(Eq_Fn::operator()(
 133                                         PB_ASSOC_V2F(p_l->m_p_next->m_value),
 134                                         PB_ASSOC_V2F(r_val)));
 135
 136   PB_ASSOC_DBG_ONLY(assert_valid();)
 137
 138     if (Update_Policy::operator()(p_l->m_update_metadata))
 139       {
 140         move_next_to_front(p_l);
 141
 142         return (m_p_l->m_p_next->m_value.second);
 143       }
 144     else
 145       return (p_l->m_p_next->m_value.second);
 146 }
 147 #endif // #ifdef PB_ASSOC_DATA_TRUE_INDICATOR
 148