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 cc_ht_map_'s erase related functions.
43 */
44
45PB_ASSOC_CLASS_T_DEC
46inline void
47PB_ASSOC_CLASS_C_DEC::
48erase_entry_pointer(entry_pointer& r_p_e)
49{
50  PB_ASSOC_DBG_ONLY(my_map_debug_base::erase_existing(r_p_e->m_value.first));
51
52  entry_pointer p_e = r_p_e;
53
54  r_p_e = r_p_e->m_p_next;
55
56  rels_entry(p_e);
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
63template<class Pred>
64inline typename PB_ASSOC_CLASS_C_DEC::size_type
65PB_ASSOC_CLASS_C_DEC::
66erase_if(Pred& r_pred)
67{
68  size_type num_num_ersd = 0;
69
70  for (size_type pos = 0; pos < m_num_e_p; ++pos)
71    {
72      size_t num_ersd = 0;
73
74      if (m_a_p_entries[pos] != NULL&&
75	  r_pred(m_a_p_entries[pos]->m_value))
76	{
77	  ++num_ersd;
78
79	  erase_entry_pointer(m_a_p_entries[pos]);
80	}
81
82      entry_pointer p_e = m_a_p_entries[pos];
83
84      while (p_e != NULL&&  p_e->m_p_next != NULL)
85	if (r_pred(p_e->m_p_next->m_value))
86	  {
87	    ++num_num_ersd;
88
89	    erase_entry_pointer(p_e->m_p_next);
90	  }
91    }
92
93  do_resize_if_needed_no_throw();
94
95  return (num_num_ersd);
96}
97
98PB_ASSOC_CLASS_T_DEC
99void
100PB_ASSOC_CLASS_C_DEC::
101clear()
102{
103  for (size_type pos = 0; pos < m_num_e_p; ++pos)
104    while (m_a_p_entries[pos] != NULL)
105      erase_entry_pointer(m_a_p_entries[pos]);
106
107  do_resize_if_needed_no_throw();
108
109  my_resize_base::notify_cleared();
110}
111
112#include <ext/pb_assoc/detail/cc_ht_map_/erase_no_store_hash_fn_imps.hpp>
113#include <ext/pb_assoc/detail/cc_ht_map_/erase_store_hash_fn_imps.hpp>
114
115