public bool Select <TSelect>(Action <MemoryNode <TSelect> > callback)
where TSelect : class
{
if (typeof(TSelect) == typeof(T) && _node == null)
{
_left.Match <T, TDiscard>(n => _node = n);
}
var node = _node as MemoryNode <TSelect>;
if (node != null)
{
callback(node);
return(true);
}
if (_parent == null)
{
if (!typeof(T).IsGenericType || typeof(T).GetGenericTypeDefinition() != typeof(Token <,>))
{
return(false);
}
Type[] arguments = typeof(T).GetGenericArguments();
_parent = (RuleNodeSelector)Activator.CreateInstance(
typeof(DiscardRuleNodeSelector <,>).MakeGenericType(arguments),
_configurator, this);
}
return(_parent.Select(callback));
}
public void Select <TNode>(MemoryNode <TNode> node)
where TNode : class
{
var alphaNode = node as AlphaNode <T>;
if (alphaNode == null)
{
throw new ArgumentException("Only alpha nodes can be condition alpha nodes");
}
var conditionAlphaNode = new RuleNodeSelector <T>(_configurator, alphaNode);
_nodeCallback(conditionAlphaNode);
}
