libify: Move library sources down into lib directory.

A "make" invocation still works from the top-level, but not from
down inside the lib directory yet.

1 files changed, 171 insertions, 0 deletions

diff --git a/lib/thread.cc b/lib/thread.cc
new file mode 100644
index 00000000..b67dfade
--- /dev/null
+++ b/lib/thread.cc
@@ -0,0 +1,171 @@
+/* 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);
+}