[totem-pl-parser] xml: Add xml_parser_get_node_value() helper function

[Bastien Nocera <hadess src gnome org>]

commit 4587199a25029eb86f4632af4f4a0c3379e7308d
Author: crvi <crvisqr gmail com>
Date:   Wed Sep 30 21:50:45 2020 +0530

    xml: Add xml_parser_get_node_value() helper function

 plparse/totem-pl-parser-podcast.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
---
diff --git a/plparse/totem-pl-parser-podcast.c b/plparse/totem-pl-parser-podcast.c
index 6e69e0e..8f73484 100644
--- a/plparse/totem-pl-parser-podcast.c
+++ b/plparse/totem-pl-parser-podcast.c
@@ -98,6 +98,21 @@ totem_pl_parser_is_xml_feed (const char *data, gsize len)
 
 #ifndef TOTEM_PL_PARSER_MINI
 
+static const char *
+xml_parser_get_node_value (xml_node_t *parent, const char *node_name)
+{
+       xml_node_t *child;
+
+       for (child = parent->child; child != NULL; child = child->next) {
+               if (child->name == NULL)
+                       continue;
+               if (g_ascii_strcasecmp (child->name, node_name) == 0)
+                       return child->data;
+       }
+
+       return NULL;
+}
+
 static gboolean
 is_image (const char *url)
 {