public Accumulator(DomElement root,
DomQuery elements,
Evaluator eval)
{
this.root = root;
this.elements = elements;
this.eval = eval;
}
public CssSelector(string query, DomElement root)
{
if (query == null)
throw new ArgumentNullException("query");
query = query.Trim();
if (query.Length == 0)
throw Failure.AllWhitespace("query");
if (root == null)
throw new ArgumentNullException("root");
this.evaluator = QueryParser.Parse(query);
this.root = root;
}
public static DomQuery Collect(Evaluator eval, DomElement root)
{
DomQuery elements = new DomQuery();
new NodeTraversor(new Accumulator(root, elements, eval)).Traverse(root);
return elements;
}
public void Add(Evaluator e)
{
evaluators.Add(e);
}
internal void ReplaceRightMostEvaluator(Evaluator replacement)
{
evaluators[evaluators.Count - 1] = replacement;
}
protected StructuralEvaluator(Evaluator evaluator)
{
this.evaluator = evaluator;
}
public Has(Evaluator evaluator)
: base(evaluator)
{
}
public PreviousSibling(Evaluator evaluator)
: base(evaluator)
{
}
public Parent(Evaluator evaluator)
: base(evaluator)
{
}
public Not(Evaluator evaluator)
: base(evaluator)
{
}
public ImmediatePreviousSibling(Evaluator evaluator)
: base(evaluator)
{
}
public ImmediateParent(Evaluator evaluator)
: base(evaluator)
{
}