public static Closure Root(ITypedElement root, EvaluationContext ctx = null)
{
var newContext = new Closure()
{
EvaluationContext = ctx ?? EvaluationContext.CreateDefault()
};
var input = new[] { root };
newContext.SetThis(input);
newContext.SetThat(input);
newContext.SetIndex(ElementNode.CreateList(0));
newContext.SetOriginalContext(input);
if (ctx.Resource != null)
{
newContext.SetResource(new[] { ctx.Resource });
}
if (ctx.RootResource != null)
{
newContext.SetRootResource(new[] { ctx.RootResource });
}
return(newContext);
}