static void Traverse(this glTF self, ListTreeNode <JsonValue> node, JsonFormatter f, Utf8String parentKey)
{
if (node.IsMap())
{
f.BeginMap();
foreach (var kv in node.ObjectItems())
{
if (parentKey == s_extensions)
{
if (!self.UsedExtension(kv.Key.GetString()))
{
continue;
}
}
f.Key(kv.Key.GetUtf8String());
self.Traverse(kv.Value, f, kv.Key.GetUtf8String());
}
f.EndMap();
}
else if (node.IsArray())
{
f.BeginList();
foreach (var x in node.ArrayItems())
{
self.Traverse(x, f, default(Utf8String));
}
f.EndList();
}
else
{
f.Value(node);
}
}
static string RemoveUnusedExtensions(this glTF self, string json)
{
var f = new JsonFormatter();
self.Traverse(JsonParser.Parse(json), f, default(Utf8String));
return(f.ToString());
}