[totem-pl-parser] xspf: Save playlist title to xspf file

[Bastien Nocera <hadess src gnome org>]

commit ad41906dca8db0480ba7a3c9833478622ecb0b89
Author: crvi <crvisqr gmail com>
Date:   Tue Apr 20 17:57:56 2021 +0530

    xspf: Save playlist title to xspf file
    
    Closes: #31

 plparse/totem-pl-parser-xspf.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)
---
diff --git a/plparse/totem-pl-parser-xspf.c b/plparse/totem-pl-parser-xspf.c
index 1a50316..e34420b 100644
--- a/plparse/totem-pl-parser-xspf.c
+++ b/plparse/totem-pl-parser-xspf.c
@@ -106,15 +106,23 @@ totem_pl_parser_save_xspf (TotemPlParser    *parser,
         TotemPlPlaylistIter iter;
        GFileOutputStream *stream;
        char *buf;
+       GString *str;
        gboolean valid, success;
 
        stream = g_file_replace (output, NULL, FALSE, G_FILE_CREATE_NONE, cancellable, error);
        if (stream == NULL)
                return FALSE;
 
-       buf = g_strdup_printf ("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
-                               "<playlist version=\"1\" xmlns=\"http://xspf.org/ns/0/\";>\n"
-                               " <trackList>\n");
+       str = g_string_new ("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+                           "<playlist version=\"1\" xmlns=\"http://xspf.org/ns/0/\";>\n");
+
+       if (title != NULL && title[0] != '\0') {
+               g_string_append_printf (str, "<title>%s</title>\n", title);
+       }
+
+       str = g_string_append (str, " <trackList>\n");
+       buf = g_string_free (str, FALSE);
+
        success = totem_pl_parser_write_string (G_OUTPUT_STREAM (stream), buf, cancellable, error);
        g_free (buf);
        if (success == FALSE)