1 // -*- C++ -*-
2
3 // Copyright (C) 2005, 2006 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 terms
7 // of the GNU General Public License as published by the Free Software
8 // Foundation; either version 2, or (at your option) any later
9 // version.
10
11 // This library is distributed in the hope that it will be useful, but
12 // WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // General Public License for more details.
15
16 // You should have received a copy of the GNU General Public License
17 // along with this library; see the file COPYING. If not, write to
18 // the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
19 // MA 02111-1307, USA.
20
21 // As a special exception, you may use this file as part of a free
22 // software library without restriction. Specifically, if other files
23 // instantiate templates or use macros or inline functions from this
24 // file, or you compile this file and link it with other files to
25 // produce an executable, this file does not by itself cause the
26 // resulting executable to be covered by the GNU General Public
27 // License. This exception does not however invalidate any other
28 // reasons why the executable file might be covered by the GNU General
29 // Public License.
30
31 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
32
33 // Permission to use, copy, modify, sell, and distribute this software
34 // is hereby granted without fee, provided that the above copyright
35 // notice appears in all copies, and that both that copyright notice
36 // and this permission notice appear in supporting documentation. None
37 // of the above authors, nor IBM Haifa Research Laboratories, make any
38 // representation about the suitability of this software for any
39 // purpose. It is provided "as is" without express or implied
40 // warranty.
41
42 /**
43 * @file find_fn_imps.hpp
44 * Contains implementations of lu_map_.
45 */
46
47 PB_DS_CLASS_T_DEC
48 inline typename PB_DS_CLASS_C_DEC::entry_pointer
49 PB_DS_CLASS_C_DEC::
find_imp(const_key_reference r_key) const50 find_imp(const_key_reference r_key) const
51 {
52 if (m_p_l == NULL)
53 return NULL;
54 if (s_eq_fn(r_key, PB_DS_V2F(m_p_l->m_value)))
55 {
56 apply_update(m_p_l, s_metadata_type_indicator);
57 _GLIBCXX_DEBUG_ONLY(map_debug_base::check_key_exists(r_key);)
58 return m_p_l;
59 }
60
61 entry_pointer p_l = m_p_l;
62 while (p_l->m_p_next != NULL)
63 {
64 entry_pointer p_next = p_l->m_p_next;
65 if (s_eq_fn(r_key, PB_DS_V2F(p_next->m_value)))
66 {
67 if (apply_update(p_next, s_metadata_type_indicator))
68 {
69 p_l->m_p_next = p_next->m_p_next;
70 p_next->m_p_next = m_p_l;
71 m_p_l = p_next;
72 return m_p_l;
73 }
74 return p_next;
75 }
76 else
77 p_l = p_next;
78 }
79
80 _GLIBCXX_DEBUG_ONLY(map_debug_base::check_key_does_not_exist(r_key);)
81 return NULL;
82 }
83
84 PB_DS_CLASS_T_DEC
85 template<typename Metadata>
86 inline bool
87 PB_DS_CLASS_C_DEC::
apply_update(entry_pointer p_l,type_to_type<Metadata>)88 apply_update(entry_pointer p_l, type_to_type<Metadata>)
89 { return s_update_policy(p_l->m_update_metadata); }
90
91 PB_DS_CLASS_T_DEC
92 inline bool
93 PB_DS_CLASS_C_DEC::
apply_update(entry_pointer,type_to_type<null_lu_metadata>)94 apply_update(entry_pointer, type_to_type<null_lu_metadata>)
95 { return s_update_policy(s_null_lu_metadata); }
96
97