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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 erase_fn_imps.hpp | |
44 | * Contains implementations of cc_ht_map_'s erase related functions. | |
45 | */ | |
46 | ||
47 | PB_DS_CLASS_T_DEC | |
48 | inline void | |
49 | PB_DS_CLASS_C_DEC:: | |
50 | erase_entry_pointer(entry_pointer& r_p_e) | |
51 | { | |
47bea7b8 | 52 | _GLIBCXX_DEBUG_ONLY(map_debug_base::erase_existing( |
4569a895 AT |
53 | PB_DS_V2F(r_p_e->m_value))); |
54 | ||
55 | entry_pointer p_e = r_p_e; | |
56 | ||
57 | r_p_e = r_p_e->m_p_next; | |
58 | ||
59 | rels_entry(p_e); | |
60 | ||
47bea7b8 | 61 | _GLIBCXX_DEBUG_ASSERT(m_num_used_e > 0); |
4569a895 AT |
62 | resize_base::notify_erased(--m_num_used_e); |
63 | } | |
64 | ||
65 | PB_DS_CLASS_T_DEC | |
66 | template<typename Pred> | |
67 | inline typename PB_DS_CLASS_C_DEC::size_type | |
68 | PB_DS_CLASS_C_DEC:: | |
69 | erase_if(Pred pred) | |
70 | { | |
71 | size_type num_ersd = 0; | |
72 | ||
73 | for (size_type pos = 0; pos < m_num_e_p; ++pos) | |
74 | { | |
75 | typedef | |
76 | typename PB_DS_TYPES_TRAITS_C_DEC::const_reference | |
77 | const_reference; | |
78 | ||
79 | while (m_a_p_entries[pos] != NULL&& | |
80 | pred(m_a_p_entries[pos]->m_value)) | |
81 | { | |
82 | ++num_ersd; | |
83 | ||
84 | entry_pointer p_next_e = m_a_p_entries[pos]->m_p_next; | |
85 | ||
86 | erase_entry_pointer(m_a_p_entries[pos]); | |
87 | ||
88 | m_a_p_entries[pos] = p_next_e; | |
89 | } | |
90 | ||
91 | entry_pointer p_e = m_a_p_entries[pos]; | |
92 | ||
93 | while (p_e != NULL&& p_e->m_p_next != NULL) | |
94 | { | |
95 | if (pred(p_e->m_p_next->m_value)) | |
96 | { | |
97 | ++num_ersd; | |
98 | ||
99 | erase_entry_pointer(p_e->m_p_next); | |
100 | } | |
101 | else | |
102 | p_e = p_e->m_p_next; | |
103 | } | |
104 | } | |
105 | ||
106 | do_resize_if_needed_no_throw(); | |
107 | ||
108 | return (num_ersd); | |
109 | } | |
110 | ||
111 | PB_DS_CLASS_T_DEC | |
112 | void | |
113 | PB_DS_CLASS_C_DEC:: | |
114 | clear() | |
115 | { | |
116 | for (size_type pos = 0; pos < m_num_e_p; ++pos) | |
117 | while (m_a_p_entries[pos] != NULL) | |
118 | erase_entry_pointer(m_a_p_entries[pos]); | |
119 | ||
120 | do_resize_if_needed_no_throw(); | |
121 | ||
122 | resize_base::notify_cleared(); | |
123 | } | |
124 | ||
125 | #include <ext/pb_ds/detail/cc_hash_table_map_/erase_no_store_hash_fn_imps.hpp> | |
126 | #include <ext/pb_ds/detail/cc_hash_table_map_/erase_store_hash_fn_imps.hpp> | |
127 |