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 lu_map_.
43 */
44
45PB_ASSOC_CLASS_T_DEC
46inline typename PB_ASSOC_CLASS_C_DEC::size_type
47PB_ASSOC_CLASS_C_DEC::
48erase(const_key_reference r_key)
49{
50  PB_ASSOC_DBG_ONLY(PB_ASSOC_CLASS_C_DEC::assert_valid();)
51
52    entry_pointer p_l = find_imp(r_key);
53
54  if (p_l->m_p_next == NULL)
55    return (0);
56
57  erase_imp(p_l);
58
59  PB_ASSOC_DBG_ONLY(assert_valid();)
60
61    return (1);
62}
63
64PB_ASSOC_CLASS_T_DEC
65void
66PB_ASSOC_CLASS_C_DEC::
67clear()
68{
69  PB_ASSOC_DBG_ONLY(assert_valid();)
70
71    PB_ASSOC_DBG_ONLY(my_map_debug_base::clear();)
72
73    deallocate_all(false);
74
75  m_size = 0;
76
77  PB_ASSOC_DBG_ONLY(assert_valid();)
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& r_pred)
85{
86  PB_ASSOC_DBG_ONLY(PB_ASSOC_CLASS_C_DEC::assert_valid();)
87
88    size_type num_ersd = 0;
89
90  entry_pointer p_l = m_p_l;
91
92  while (p_l->m_p_next != NULL)
93    {
94      if (r_pred(p_l->m_p_next->m_value))
95	{
96	  erase_imp(p_l);
97
98	  ++num_ersd;
99	}
100      else
101	p_l = p_l->m_p_next;
102    }
103
104  PB_ASSOC_DBG_ONLY(PB_ASSOC_CLASS_C_DEC::assert_valid();)
105
106    return (num_ersd);
107}
108
109PB_ASSOC_CLASS_T_DEC
110void
111PB_ASSOC_CLASS_C_DEC::
112erase_imp(entry_pointer p_l)
113{
114  PB_ASSOC_DBG_ASSERT(p_l->m_p_next != NULL);
115
116  entry_pointer p_next_l = p_l->m_p_next->m_p_next;
117
118  PB_ASSOC_DBG_ONLY(my_map_debug_base::erase_existing(
119						      PB_ASSOC_V2F(p_l->m_p_next->m_value));)
120
121    p_l->m_p_next->m_value.~mapped_value_type();
122
123  s_entry_allocator.deallocate(p_l->m_p_next, 1);
124
125  p_l->m_p_next = p_next_l;
126
127  PB_ASSOC_DBG_ASSERT(m_size > 0);
128  --m_size;
129}
130