X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=lib%2Fnotmuch.h;h=e4f399291689d3d533a2aab90fe79d97159e41b8;hp=c232c5805dd3e4f3a370b49a79d2452532754b4e;hb=7a215c2de81e95798ecadd982eecf05e647c3988;hpb=7e02b448e7684a0b5619ccc1d9144441b909b618

diff --git a/lib/notmuch.h b/lib/notmuch.h
index c232c580..e4f39929 100644
--- a/lib/notmuch.h
+++ b/lib/notmuch.h
@@ -280,6 +280,16 @@ notmuch_message_t *
 notmuch_database_find_message (notmuch_database_t *database,
 			       const char *message_id);
 
+/* Return a list of all tags found in the database.
+ *
+ * This function creates a list of all tags found in the database. The
+ * resulting list contains all tags from all messages found in the database.
+ *
+ * On error this function returns NULL.
+ */
+notmuch_tags_t *
+notmuch_database_get_all_tags (notmuch_database_t *db);
+
 /* Create a new query for 'database'.
  *
  * Here, 'database' should be an open database, (see
@@ -625,6 +635,21 @@ notmuch_messages_advance (notmuch_messages_t *messages);
 void
 notmuch_messages_destroy (notmuch_messages_t *messages);
 
+/* Return a list of tags from all messages.
+ *
+ * The resulting list is guaranteed not to contain duplicated tags.
+ *
+ * WARNING: You can no longer iterate over messages after calling this
+ * function, because the iterator will point at the end of the list.
+ * We do not have a function to reset the iterator yet and the only
+ * way how you can iterate over the list again is to recreate the
+ * message list.
+ *
+ * The function returns NULL on error.
+ */
+notmuch_tags_t *
+notmuch_messages_collect_tags (notmuch_messages_t *messages);
+
 /* Get the message ID of 'message'.
  *
  * The returned string belongs to 'message' and as such, should not be
@@ -686,6 +711,7 @@ notmuch_message_get_filename (notmuch_message_t *message);
 
 /* Message flags */
 typedef enum _notmuch_message_flag {
+    NOTMUCH_MSG_FLAG_MATCHING_SEARCH,
 } notmuch_message_flag_t;
 
 /* Get a value of a flag for the email corresponding to 'message'. */