internal static void Accept(ISelectable selectable, StylesheetStatement statement)
{
if (selectable == null)
{
return;
}
switch (statement)
{
case AssignmentStatement assignment:
if (selectable is IStyleable styleable)
{
styleable.Set(assignment.Key, assignment.Value);
}
break;
case StyleDeclaration style:
SelectorHelper.Visit(selectable, style.Selector, (current, discard1, discard2) =>
{
foreach (var localStatement in style.Statements)
{
Accept(current, localStatement);
}
});
break;
default:
throw new NotSupportedException();
}
}
public void VisitScript(object root, string selector, object callback, params object[] predicates)
{
if (predicates == null)
{
predicates = Empty;
}
var selectable = asSelectable(root);
if (selectable != null)
{
SelectorHelper.Visit(
selectable,
selector,
(current, parent, root1) => dynamicInvoker.Invoke(callback, current),
(i, s) => i >= 0 && i < predicates.Length && dynamicInvoker.Invoke(predicates[i], s) is true);
}
}