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
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
/* thread.cc - Results of thread-based searches from a notmuch database
*
* Copyright © 2009 Carl Worth
*
* 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: Carl Worth <cworth@cworth.org>
*/
#include "notmuch-private.h"
#include "database-private.h"
#include <xapian.h>
#include <glib.h> /* GHashTable */
struct _notmuch_thread {
notmuch_database_t *notmuch;
char *thread_id;
char *subject;
GHashTable *tags;
notmuch_bool_t has_message;
time_t oldest;
time_t newest;
};
static int
_notmuch_thread_destructor (notmuch_thread_t *thread)
{
g_hash_table_unref (thread->tags);
return 0;
}
/* Create a new notmuch_thread_t object for an existing document in
* the database.
*
* Here, 'talloc owner' is an optional talloc context to which the new
* thread will belong. This allows for the caller to not bother
* calling notmuch_thread_destroy on the thread, and know that all
* memory will be reclaimed with 'talloc_owner' is freed. The caller
* still can call notmuch_thread_destroy when finished with the
* thread if desired.
*
* The 'talloc_owner' argument can also be NULL, in which case the
* caller *is* responsible for calling notmuch_thread_destroy.
*
* This function returns NULL in the case of any error.
*/
notmuch_thread_t *
_notmuch_thread_create (const void *talloc_owner,
notmuch_database_t *notmuch,
const char *thread_id)
{
notmuch_thread_t *thread;
thread = talloc (talloc_owner, notmuch_thread_t);
if (unlikely (thread == NULL))
return NULL;
talloc_set_destructor (thread, _notmuch_thread_destructor);
thread->notmuch = notmuch;
thread->thread_id = talloc_strdup (thread, thread_id);
thread->subject = NULL;
thread->tags = g_hash_table_new_full (g_str_hash, g_str_equal,
free, NULL);
thread->has_message = 0;
thread->oldest = 0;
thread->newest = 0;
return thread;
}
const char *
notmuch_thread_get_thread_id (notmuch_thread_t *thread)
{
return thread->thread_id;
}
void
_notmuch_thread_add_message (notmuch_thread_t *thread,
notmuch_message_t *message)
{
notmuch_tags_t *tags;
const char *tag;
time_t date;
if (! thread->subject) {
const char *subject;
subject = notmuch_message_get_header (message, "subject");
thread->subject = talloc_strdup (thread, subject);
}
for (tags = notmuch_message_get_tags (message);
notmuch_tags_has_more (tags);
notmuch_tags_advance (tags))
{
tag = notmuch_tags_get (tags);
g_hash_table_insert (thread->tags, xstrdup (tag), NULL);
}
date = notmuch_message_get_date (message);
if (date < thread->oldest || ! thread->has_message)
thread->oldest = date;
if (date > thread->newest || ! thread->has_message)
thread->newest = date;
thread->has_message = 1;
}
const char *
notmuch_thread_get_subject (notmuch_thread_t *thread)
{
return thread->subject;
}
time_t
notmuch_thread_get_oldest_date (notmuch_thread_t *thread)
{
return thread->oldest;
}
time_t
notmuch_thread_get_newest_date (notmuch_thread_t *thread)
{
return thread->newest;
}
notmuch_tags_t *
notmuch_thread_get_tags (notmuch_thread_t *thread)
{
notmuch_tags_t *tags;
GList *keys, *l;
tags = _notmuch_tags_create (thread);
if (unlikely (tags == NULL))
return NULL;
keys = g_hash_table_get_keys (thread->tags);
for (l = keys; l; l = l->next)
_notmuch_tags_add_tag (tags, (char *) l->data);
g_list_free (keys);
_notmuch_tags_prepare_iterator (tags);
return tags;
}
void
notmuch_thread_destroy (notmuch_thread_t *thread)
{
talloc_free (thread);
}
|
