| /* |
| |
| Copyright 2002 The Apache Software Foundation |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| |
| */ |
| package org.apache.batik.css.engine.sac; |
| |
| import java.util.Set; |
| |
| import org.w3c.css.sac.Selector; |
| import org.w3c.css.sac.SimpleSelector; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| |
| /** |
| * This class provides an implementation for the |
| * {@link org.w3c.css.sac.DescendantSelector} interface. |
| * |
| * @author <a href="mailto:stephane@hillion.org">Stephane Hillion</a> |
| * @version $Id$ |
| */ |
| public class CSSDescendantSelector extends AbstractDescendantSelector { |
| |
| /** |
| * Creates a new CSSDescendantSelector object. |
| */ |
| public CSSDescendantSelector(Selector ancestor, SimpleSelector simple) { |
| super(ancestor, simple); |
| } |
| |
| /** |
| * <b>SAC</b>: Implements {@link |
| * org.w3c.css.sac.Selector#getSelectorType()}. |
| */ |
| public short getSelectorType() { |
| return SAC_DESCENDANT_SELECTOR; |
| } |
| |
| /** |
| * Tests whether this selector matches the given element. |
| */ |
| public boolean match(Element e, String pseudoE) { |
| ExtendedSelector p = (ExtendedSelector)getAncestorSelector(); |
| if (!((ExtendedSelector)getSimpleSelector()).match(e,pseudoE)) |
| return false; |
| for (Node n = e.getParentNode(); n != null; n = n.getParentNode()) { |
| if (n.getNodeType() == Node.ELEMENT_NODE && |
| p.match((Element)n, null)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Fills the given set with the attribute names found in this selector. |
| */ |
| public void fillAttributeSet(Set attrSet) { |
| ((ExtendedSelector)getSimpleSelector()).fillAttributeSet(attrSet); |
| } |
| |
| /** |
| * Returns a representation of the selector. |
| */ |
| public String toString() { |
| return getAncestorSelector() + " " + getSimpleSelector(); |
| } |
| } |