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4569a895 AT |
1 | // -*- C++ -*- |
2 | ||
83ffe9cd | 3 | // Copyright (C) 2005-2023 Free Software Foundation, Inc. |
4569a895 AT |
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 | |
748086b7 | 8 | // Foundation; either version 3, or (at your option) any later |
4569a895 AT |
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 | ||
748086b7 JJ |
16 | // Under Section 7 of GPL version 3, you are granted additional |
17 | // permissions described in the GCC Runtime Library Exception, version | |
18 | // 3.1, as published by the Free Software Foundation. | |
4569a895 | 19 | |
748086b7 JJ |
20 | // You should have received a copy of the GNU General Public License and |
21 | // a copy of the GCC Runtime Library Exception along with this program; | |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | // <http://www.gnu.org/licenses/>. | |
4569a895 AT |
24 | |
25 | // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. | |
26 | ||
27 | // Permission to use, copy, modify, sell, and distribute this software | |
28 | // is hereby granted without fee, provided that the above copyright | |
29 | // notice appears in all copies, and that both that copyright notice | |
30 | // and this permission notice appear in supporting documentation. None | |
31 | // of the above authors, nor IBM Haifa Research Laboratories, make any | |
32 | // representation about the suitability of this software for any | |
33 | // purpose. It is provided "as is" without express or implied | |
34 | // warranty. | |
35 | ||
36 | /** | |
a345e45d | 37 | * @file cc_hash_table_map_/erase_no_store_hash_fn_imps.hpp |
1b24692f BK |
38 | * Contains implementations of cc_ht_map_'s erase related functions, |
39 | * when the hash value is not stored. | |
4569a895 AT |
40 | */ |
41 | ||
574dfb67 JW |
42 | #ifdef PB_DS_CLASS_C_DEC |
43 | ||
4569a895 AT |
44 | PB_DS_CLASS_T_DEC |
45 | inline bool | |
46 | PB_DS_CLASS_C_DEC:: | |
a345e45d | 47 | erase(key_const_reference r_key) |
4569a895 | 48 | { |
f5886803 | 49 | PB_DS_ASSERT_VALID((*this)) |
1b24692f | 50 | return erase_in_pos_imp(r_key, ranged_hash_fn_base::operator()(r_key)); |
4569a895 AT |
51 | } |
52 | ||
53 | PB_DS_CLASS_T_DEC | |
54 | inline bool | |
55 | PB_DS_CLASS_C_DEC:: | |
a345e45d | 56 | erase_in_pos_imp(key_const_reference r_key, size_type pos) |
4569a895 | 57 | { |
f5886803 | 58 | PB_DS_ASSERT_VALID((*this)) |
1b24692f | 59 | entry_pointer p_e = m_entries[pos]; |
4569a895 | 60 | resize_base::notify_erase_search_start(); |
8fc81078 | 61 | if (p_e == 0) |
4569a895 AT |
62 | { |
63 | resize_base::notify_erase_search_end(); | |
f5886803 FD |
64 | PB_DS_CHECK_KEY_DOES_NOT_EXIST(r_key) |
65 | PB_DS_ASSERT_VALID((*this)) | |
1b24692f | 66 | return false; |
4569a895 AT |
67 | } |
68 | ||
1b24692f | 69 | if (hash_eq_fn_base::operator()(PB_DS_V2F(p_e->m_value), r_key)) |
4569a895 AT |
70 | { |
71 | resize_base::notify_erase_search_end(); | |
f5886803 | 72 | PB_DS_CHECK_KEY_EXISTS(r_key) |
1b24692f | 73 | erase_entry_pointer(m_entries[pos]); |
4569a895 | 74 | do_resize_if_needed_no_throw(); |
f5886803 | 75 | PB_DS_ASSERT_VALID((*this)) |
1b24692f | 76 | return true; |
4569a895 AT |
77 | } |
78 | ||
79 | while (true) | |
80 | { | |
81 | entry_pointer p_next_e = p_e->m_p_next; | |
8fc81078 | 82 | if (p_next_e == 0) |
a345e45d | 83 | { |
4569a895 | 84 | resize_base::notify_erase_search_end(); |
f5886803 | 85 | PB_DS_CHECK_KEY_DOES_NOT_EXIST(r_key) |
a345e45d BK |
86 | PB_DS_ASSERT_VALID((*this)) |
87 | return false; | |
88 | } | |
4569a895 | 89 | |
1b24692f | 90 | if (hash_eq_fn_base::operator()(PB_DS_V2F(p_next_e->m_value), r_key)) |
a345e45d | 91 | { |
4569a895 | 92 | resize_base::notify_erase_search_end(); |
f5886803 | 93 | PB_DS_CHECK_KEY_EXISTS(r_key) |
a345e45d | 94 | erase_entry_pointer(p_e->m_p_next); |
4569a895 | 95 | do_resize_if_needed_no_throw(); |
f5886803 | 96 | PB_DS_ASSERT_VALID((*this)) |
a345e45d BK |
97 | return true; |
98 | } | |
4569a895 | 99 | resize_base::notify_erase_search_collision(); |
4569a895 AT |
100 | p_e = p_next_e; |
101 | } | |
102 | } | |
574dfb67 | 103 | #endif |