blob: a783541d80bac0b872ff13807b977b07766ac17f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
/*
* libpinyin
* Library to deal with pinyin.
*
* Copyright (C) 2025 Peng Wu <alexepico@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef TKRZWDB_UTILS_H
#define TKRZWDB_UTILS_H
#include <assert.h>
#include <tkrzw_dbm.h>
#include <tkrzw_file_util.h>
#include <memory>
#include <string>
namespace pinyin{
inline int32_t attach_options(guint32 flags, bool & writable) {
int32_t options = 0;
if (flags & ATTACH_READONLY)
writable = false;
if (flags & ATTACH_READWRITE) {
assert( !( flags & ATTACH_READONLY ) );
writable = true;
options = tkrzw::File::OPEN_DEFAULT;
}
if ( !(flags & ATTACH_CREATE) )
options |= tkrzw::File::OPEN_NO_CREATE;
return options;
}
inline bool copy_tkrzwdb(tkrzw::DBM* srcdb, tkrzw::DBM* destdb) {
if (!srcdb || !destdb)
return false;
std::unique_ptr<tkrzw::DBM::Iterator> iter = srcdb->MakeIterator();
if (!iter)
return false;
iter->First();
std::string key;
std::string value;
tkrzw::Status get_status;
while ((get_status = iter->Get(&key, &value)) == tkrzw::Status::SUCCESS) {
tkrzw::Status set_status = destdb->Set(key, value);
assert (set_status == tkrzw::Status::SUCCESS);
if (set_status != tkrzw::Status::SUCCESS)
return false;
iter->Next();
}
assert (get_status == tkrzw::Status::NOT_FOUND_ERROR);
return (get_status == tkrzw::Status::NOT_FOUND_ERROR);
}
};
#endif
|
