package org.webslinger.rules;

 import java.io.IOException;

 import java.util.List;

 import javax.servlet.ServletException;

 import javax.servlet.ServletRequest;

 import org.webslinger.Webslinger;

 public class CSSChild extends AbstractSelector {

     public CSSChild(int id) {

         super(id);

     }

     public CSSChild(Rules p, int id) {

         super(p, id);

     }

     /** Accept the visitor. **/

     public Object jjtAccept(RulesVisitor visitor, Object data) {

         return visitor.visit(this, data);

     }

     public void updateSpecificity(int[] specificity, boolean[] isConstantHolder) {

         isConstantHolder[0] = false;

         super.updateSpecificity(specificity, isConstantHolder);

     }

     public boolean matches(ServletRequest request, Webslinger top) throws IOException, ServletException {

         if (!super.matches(request, top)) return false;

         Webslinger ptr = top;

         while (ptr.getParent() != null) {

             Webslinger save = ptr;

             try {

                 while (ptr.getParent() != null) {

                     ptr = ptr.getParent();

                     //System.err.println(this + ".next");

                     if (super.matches(request, ptr)) return true;

                 }

             } finally {

                 ptr = save;;

             }

             //System.err.println(this + ".next");

             ptr = ptr.getParent();

         }

         return false;

     }

 }