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_no_store_hash_fn_imps.hpp
42 * Contains implementations of cc_ht_map_'s find related functions, when the hash
43 *	value is not stored.
44 */
45
46PB_ASSOC_CLASS_T_DEC
47inline typename PB_ASSOC_CLASS_C_DEC::const_data_reference
48PB_ASSOC_CLASS_C_DEC::
49const_subscript_imp(const_key_reference r_key, int_to_type<false>) const
50{
51  PB_ASSOC_DBG_ONLY(assert_valid();)
52
53    return (const_cast<PB_ASSOC_CLASS_C_DEC& >(*this).
54	    find_key_pointer(r_key, my_hash_traits_base::s_store_hash_indicator)->second);
55}
56
57PB_ASSOC_CLASS_T_DEC
58inline typename PB_ASSOC_CLASS_C_DEC::pointer
59PB_ASSOC_CLASS_C_DEC::
60find_key_pointer(const_key_reference r_key, int_to_type<false>)
61{
62  entry_pointer p_e =
63    m_a_p_entries[my_ranged_hash_fn_base::operator()(r_key)];
64
65  my_resize_base::notify_find_search_start();
66
67  while (p_e != NULL&&
68	 !my_hash_eq_fn_base::operator()(PB_ASSOC_V2F(p_e->m_value), r_key))
69    {
70      my_resize_base::notify_find_search_collision();
71
72      p_e = p_e->m_p_next;
73    }
74
75  my_resize_base::notify_find_search_end();
76
77#ifdef PB_ASSOC_CC_HT_MAP_DEBUG
78  if (p_e == NULL)
79    my_map_debug_base::check_key_does_not_exist(r_key);
80  else
81    my_map_debug_base::check_key_exists(r_key);
82#endif // #ifdef PB_ASSOC_CC_HT_MAP_DEBUG
83
84  return (&p_e->m_value);
85}
86
87