[tracker/wip/carlosg/ttl-parser-improvements: 2/6] libtracker-data: Parse LANGTAG in turtle

[Carlos Garnacho <carlosg src gnome org>]

commit ec47ba9706677703015a6ff77a3f48443c494b4c
Author: Carlos Garnacho <carlosg gnome org>
Date:   Tue Oct 6 21:06:22 2020 +0200

    libtracker-data: Parse LANGTAG in turtle
    
    Allow LANGTAG after STRING_LITERAL* and STRING_LITERAL_LONG. We don't
    propagate the language tag so far yet, just parsing of these tags is
    fixed.

 src/libtracker-data/tracker-turtle-reader.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)
---
diff --git a/src/libtracker-data/tracker-turtle-reader.c b/src/libtracker-data/tracker-turtle-reader.c
index ccea29d27..f5b3abc97 100644
--- a/src/libtracker-data/tracker-turtle-reader.c
+++ b/src/libtracker-data/tracker-turtle-reader.c
@@ -294,6 +294,8 @@ parse_terminal (TrackerTurtleReader  *reader,
 
        if (out)
                *out = str;
+       else
+               g_free (str);
 
        return TRUE;
 }
@@ -589,14 +591,18 @@ tracker_turtle_reader_iterate_next (TrackerTurtleReader  *reader,
                                   parse_terminal (reader, terminal_STRING_LITERAL_LONG2, 3, &str)) {
                                reader->object = g_strcompress (str);
                                g_free (str);
-                               if (!handle_type_cast (reader, error))
-                                       return FALSE;
+                               if (!parse_terminal (reader, terminal_LANGTAG, 0, NULL)) {
+                                       if (!handle_type_cast (reader, error))
+                                               return FALSE;
+                               }
                        } else if (parse_terminal (reader, terminal_STRING_LITERAL1, 1, &str) ||
                                   parse_terminal (reader, terminal_STRING_LITERAL2, 1, &str)) {
                                reader->object = g_strcompress (str);
                                g_free (str);
-                               if (!handle_type_cast (reader, error))
-                                       return FALSE;
+                               if (!parse_terminal (reader, terminal_LANGTAG, 0, NULL)) {
+                                       if (!handle_type_cast (reader, error))
+                                               return FALSE;
+                               }
                        } else if (parse_terminal (reader, terminal_DOUBLE, 0, &str) ||
                                   parse_terminal (reader, terminal_INTEGER, 0, &str)) {
                                reader->object = str;