X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=lib%2Fdatabase.cc;h=23ddd4ae1314b2186b7839364b06cc0d25b5a575;hp=3fe12dd50ee65af6d709edc511229a5e9f047e8f;hb=de4be1b2293699e45d42b6f395b16d854151a58f;hpb=793cbf80495b8230e0b4de6ac609e2ca88b7dd4b

diff --git a/lib/database.cc b/lib/database.cc
index 3fe12dd5..23ddd4ae 100644
--- a/lib/database.cc
+++ b/lib/database.cc
@@ -1029,3 +1029,46 @@ notmuch_database_add_message (notmuch_database_t *notmuch,
 
     return ret;
 }
+
+notmuch_tags_t *
+_notmuch_convert_tags (void *ctx, Xapian::TermIterator &i,
+		       Xapian::TermIterator &end)
+{
+    const char *prefix = _find_prefix ("tag");
+    notmuch_tags_t *tags;
+    std::string tag;
+
+    /* Currently this iteration is written with the assumption that
+     * "tag" has a single-character prefix. */
+    assert (strlen (prefix) == 1);
+
+    tags = _notmuch_tags_create (ctx);
+    if (unlikely (tags == NULL))
+	return NULL;
+
+    i.skip_to (prefix);
+
+    while (i != end) {
+	tag = *i;
+
+	if (tag.empty () || tag[0] != *prefix)
+	    break;
+
+	_notmuch_tags_add_tag (tags, tag.c_str () + 1);
+
+	i++;
+    }
+
+    _notmuch_tags_prepare_iterator (tags);
+
+    return tags;
+}
+
+notmuch_tags_t *
+notmuch_database_get_all_tags (notmuch_database_t *db)
+{
+    Xapian::TermIterator i, end;
+    i = db->xapian_db->allterms_begin();
+    end = db->xapian_db->allterms_end();
+    return _notmuch_convert_tags(db, i, end);
+}