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 erase_fn_imps.hpp
42 * Contains implementations of gp_ht_map_'s erase related functions.
43 */
44
45PB_ASSOC_CLASS_T_DEC
46inline void
47PB_ASSOC_CLASS_C_DEC::
48erase_entry(entry_pointer p_e)
49{
50  PB_ASSOC_DBG_ASSERT(p_e->m_stat = VALID_ENTRY_STATUS);
51
52  PB_ASSOC_DBG_ONLY(my_map_debug_base::erase_existing(p_e->m_value.first);)
53
54    p_e->m_value.~value_type();
55
56  p_e->m_stat = ERASED_ENTRY_STATUS;
57
58  PB_ASSOC_DBG_ASSERT(m_num_used_e > 0);
59  my_resize_base::notify_erased(--m_num_used_e);
60}
61
62PB_ASSOC_CLASS_T_DEC
63void
64PB_ASSOC_CLASS_C_DEC::
65clear()
66{
67  for (size_type pos = 0; pos < m_num_e; ++pos)
68    {
69      entry_pointer p_e =& m_a_entries[pos];
70
71      if (p_e->m_stat == VALID_ENTRY_STATUS)
72	erase_entry(p_e);
73    }
74
75  do_resize_if_needed_no_throw();
76
77  my_resize_base::notify_cleared();
78}
79
80PB_ASSOC_CLASS_T_DEC
81template<class Pred>
82inline typename PB_ASSOC_CLASS_C_DEC::size_type
83PB_ASSOC_CLASS_C_DEC::
84erase_if(Pred pred)
85{
86  PB_ASSOC_DBG_ONLY(PB_ASSOC_CLASS_C_DEC::assert_valid();)
87
88    size_type num_ersd = 0;
89
90  for (size_type pos = 0; pos < m_num_e; ++pos)
91    {
92      entry_pointer p_e =& m_a_entries[pos];
93
94      if (p_e->m_stat == VALID_ENTRY_STATUS&&  pred(p_e->m_value))
95	{
96	  ++num_ersd;
97
98	  erase_entry(p_e);
99	}
100    }
101
102  do_resize_if_needed_no_throw();
103
104  PB_ASSOC_DBG_ONLY(PB_ASSOC_CLASS_C_DEC::assert_valid();)
105
106    return (num_ersd);
107}
108
109#include <ext/pb_assoc/detail/gp_ht_map_/erase_no_store_hash_fn_imps.hpp>
110#include <ext/pb_assoc/detail/gp_ht_map_/erase_store_hash_fn_imps.hpp>
111