public Accumulator(DomElement root,
DomQuery elements,
Evaluator eval)
{
this.root = root;
this.elements = elements;
this.eval = eval;
}
static DomQuery FilterOut(ICollection<DomElement> elements,
ICollection<DomElement> outs)
{
DomQuery output = new DomQuery();
foreach (DomElement el in elements) {
bool found = false;
foreach (DomElement oe in outs) {
if (el.Equals(oe)) {
found = true;
break;
}
}
if (!found)
output.Add(el);
}
return output;
}
public static DomQuery Collect(Evaluator eval, DomElement root)
{
DomQuery elements = new DomQuery();
new NodeTraversor(new Accumulator(root, elements, eval)).Traverse(root);
return elements;
}
