| /* |
| |
| 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. |
| |
| */ |
| |
| /* This class copied from org.apache.batik.css.engine.sac */ |
| |
| package org.eclipse.e4.ui.css.core.impl.sac; |
| |
| import org.w3c.css.sac.DescendantSelector; |
| import org.w3c.css.sac.Selector; |
| import org.w3c.css.sac.SimpleSelector; |
| |
| /** |
| * This class provides an abstract implementation of the {@link |
| * org.w3c.css.sac.DescendantSelector} interface. |
| */ |
| public abstract class AbstractDescendantSelector |
| implements DescendantSelector, |
| ExtendedSelector { |
| |
| /** |
| * The ancestor selector. |
| */ |
| protected Selector ancestorSelector; |
| |
| /** |
| * The simple selector. |
| */ |
| protected SimpleSelector simpleSelector; |
| |
| /** |
| * Creates a new DescendantSelector object. |
| */ |
| protected AbstractDescendantSelector(Selector ancestor, |
| SimpleSelector simple) { |
| ancestorSelector = ancestor; |
| simpleSelector = simple; |
| } |
| |
| /** |
| * Indicates whether some other object is "equal to" this one. |
| * @param obj the reference object with which to compare. |
| */ |
| public boolean equals(Object obj) { |
| if (obj == null || (obj.getClass() != getClass())) { |
| return false; |
| } |
| AbstractDescendantSelector s = (AbstractDescendantSelector)obj; |
| return s.simpleSelector.equals(simpleSelector); |
| } |
| |
| /** |
| * Returns the specificity of this selector. |
| */ |
| public int getSpecificity() { |
| return ((ExtendedSelector)ancestorSelector).getSpecificity() + |
| ((ExtendedSelector)simpleSelector).getSpecificity(); |
| } |
| |
| /** |
| * <b>SAC</b>: Implements {@link |
| * org.w3c.css.sac.DescendantSelector#getAncestorSelector()}. |
| */ |
| public Selector getAncestorSelector() { |
| return ancestorSelector; |
| } |
| |
| /** |
| * <b>SAC</b>: Implements {@link |
| * org.w3c.css.sac.DescendantSelector#getSimpleSelector()}. |
| */ |
| public SimpleSelector getSimpleSelector() { |
| return simpleSelector; |
| } |
| } |