1 /* thread.cc - Results of thread-based searches from a notmuch database
3 * Copyright © 2009 Carl Worth
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see http://www.gnu.org/licenses/ .
18 * Author: Carl Worth <cworth@cworth.org>
21 #include "notmuch-private.h"
22 #include "database-private.h"
26 #include <glib.h> /* GHashTable */
28 struct _notmuch_thread {
29 notmuch_database_t *notmuch;
35 _notmuch_thread_destructor (notmuch_thread_t *thread)
37 g_hash_table_unref (thread->tags);
42 /* Create a new notmuch_thread_t object for an existing document in
45 * Here, 'talloc owner' is an optional talloc context to which the new
46 * thread will belong. This allows for the caller to not bother
47 * calling notmuch_thread_destroy on the thread, and know that all
48 * memory will be reclaimed with 'talloc_owner' is freed. The caller
49 * still can call notmuch_thread_destroy when finished with the
52 * The 'talloc_owner' argument can also be NULL, in which case the
53 * caller *is* responsible for calling notmuch_thread_destroy.
55 * This function returns NULL in the case of any error.
58 _notmuch_thread_create (const void *talloc_owner,
59 notmuch_database_t *notmuch,
60 const char *thread_id)
62 notmuch_thread_t *thread;
64 thread = talloc (talloc_owner, notmuch_thread_t);
65 if (unlikely (thread == NULL))
68 talloc_set_destructor (thread, _notmuch_thread_destructor);
70 thread->notmuch = notmuch;
71 thread->thread_id = talloc_strdup (thread, thread_id);
72 thread->tags = g_hash_table_new_full (g_str_hash, g_str_equal,
79 notmuch_thread_get_thread_id (notmuch_thread_t *thread)
81 return thread->thread_id;
85 _notmuch_thread_add_tag (notmuch_thread_t *thread, const char *tag)
87 g_hash_table_insert (thread->tags, xstrdup (tag), NULL);
91 notmuch_thread_get_tags (notmuch_thread_t *thread)
96 tags = _notmuch_tags_create (thread);
97 if (unlikely (tags == NULL))
100 keys = g_hash_table_get_keys (thread->tags);
102 for (l = keys; l; l = l->next)
103 _notmuch_tags_add_tag (tags, (char *) l->data);
107 _notmuch_tags_prepare_iterator (tags);
113 notmuch_thread_destroy (notmuch_thread_t *thread)
115 talloc_free (thread);