[gupnp-av] Add function to dump XML of a DIDLObject

[Jens Georg <jensgeorg src gnome org>]

commit 156943e00ad17f2a61731f362b19313ecaa6fbbf
Author: Jens Georg <mail jensge org>
Date:   Thu Nov 22 16:58:16 2012 +0100

    Add function to dump XML of a DIDLObject

 libgupnp-av/gupnp-didl-lite-object.c |   27 +++++++++++++++++++++++++++
 libgupnp-av/gupnp-didl-lite-object.h |    3 +++
 2 files changed, 30 insertions(+), 0 deletions(-)
---
diff --git a/libgupnp-av/gupnp-didl-lite-object.c b/libgupnp-av/gupnp-didl-lite-object.c
index 30533c5..ff6bebf 100644
--- a/libgupnp-av/gupnp-didl-lite-object.c
+++ b/libgupnp-av/gupnp-didl-lite-object.c
@@ -2428,3 +2428,30 @@ gupnp_didl_lite_object_apply_fragments (GUPnPDIDLLiteObject  *object,
                 xmlFreeDoc (modified.doc);
         return result;
 }
+
+/**
+ * gupnp_didl_lite_object_get_xml_string:
+ * @object: #GUPnPDIDLLiteObject
+ *
+ * Get the representation of this object as an XML string.
+ * Returns: (transfer full): XML representation of this object as string.
+ **/
+char *
+gupnp_didl_lite_object_get_xml_string (GUPnPDIDLLiteObject *object)
+{
+        xmlBuffer *buffer = NULL;
+        char *ret = NULL;
+
+        buffer = xmlBufferCreate ();
+        xmlNodeDump (buffer,
+                     object->priv->xml_doc->doc,
+                     object->priv->xml_node,
+                     0,
+                     0);
+
+        ret = g_strndup (BAD_CAST (xmlBufferContent (buffer)),
+                         xmlBufferLength (buffer));
+        xmlBufferFree (buffer);
+
+        return ret;
+}
diff --git a/libgupnp-av/gupnp-didl-lite-object.h b/libgupnp-av/gupnp-didl-lite-object.h
index 6ca982d..872f26b 100644
--- a/libgupnp-av/gupnp-didl-lite-object.h
+++ b/libgupnp-av/gupnp-didl-lite-object.h
@@ -301,6 +301,9 @@ gupnp_didl_lite_object_apply_fragments
                                        gchar               **new_fragments,
                                        gint                  new_size);
 
+char *
+gupnp_didl_lite_object_get_xml_string   (GUPnPDIDLLiteObject *object);
+
 G_END_DECLS
 
 #endif /* __GUPNP_DIDL_LITE_OBJECT_H__ */