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/* 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;
};
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);
return thread;
}
const char *
notmuch_thread_get_thread_id (notmuch_thread_t *thread)
{
return thread->thread_id;
}
void
_notmuch_thread_add_tag (notmuch_thread_t *thread, const char *tag)
{
g_hash_table_insert (thread->tags, xstrdup (tag), NULL);
}
void
_notmuch_thread_set_subject (notmuch_thread_t *thread, const char *subject)
{
thread->subject = talloc_strdup (thread, subject);
}
const char *
notmuch_thread_get_subject (notmuch_thread_t *thread)
{
return thread->subject;
}
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);
}
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