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
79
80
81
82
83
84
85
86
| | /* message-property.cc - Properties are like tags, but (key,value) pairs.
* keys are allowed to repeat.
*
* This file is part of notmuch.
*
* Copyright © 2016 David Bremner
*
* 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/ .
*
* Author: David Bremner <david@tethera.net>
*/
#include "notmuch-private.h"
#include "database-private.h"
#include "message-private.h"
notmuch_status_t
notmuch_message_get_property (notmuch_message_t *message, const char *key, const char **value)
{
if (! value)
return NOTMUCH_STATUS_NULL_POINTER;
*value = _notmuch_string_map_get (_notmuch_message_property_map (message), key);
return NOTMUCH_STATUS_SUCCESS;
}
static notmuch_status_t
_notmuch_message_modify_property (notmuch_message_t *message, const char *key, const char *value,
notmuch_bool_t delete_it)
{
notmuch_private_status_t private_status;
notmuch_status_t status;
char *term = NULL;
status = _notmuch_database_ensure_writable (_notmuch_message_database (message));
if (status)
return status;
if (key == NULL || value == NULL)
return NOTMUCH_STATUS_NULL_POINTER;
if (index (key, '=') || index (value, '='))
return NOTMUCH_STATUS_ILLEGAL_ARGUMENT;
term = talloc_asprintf (message, "%s=%s", key, value);
if (delete_it)
private_status = _notmuch_message_remove_term (message, "property", term);
else
private_status = _notmuch_message_add_term (message, "property", term);
if (private_status)
return COERCE_STATUS (private_status,
"Unhandled error modifying message property");
if (! _notmuch_message_frozen (message))
_notmuch_message_sync (message);
if (term)
talloc_free (term);
return NOTMUCH_STATUS_SUCCESS;
}
notmuch_status_t
notmuch_message_add_property (notmuch_message_t *message, const char *key, const char *value)
{
return _notmuch_message_modify_property (message, key, value, FALSE);
}
notmuch_status_t
notmuch_message_remove_property (notmuch_message_t *message, const char *key, const char *value)
{
return _notmuch_message_modify_property (message, key, value, TRUE);
}
|