| /* |
| |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You 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 org.apache.batik.css.engine.CSSStylableElement; |
| import org.w3c.dom.Element; |
| |
| /** |
| * This class provides an implementation of the |
| * {@link org.w3c.css.sac.AttributeCondition} interface. |
| * |
| * @author <a href="mailto:stephane@hillion.org">Stephane Hillion</a> |
| * @version $Id$ |
| */ |
| public class CSSClassCondition extends CSSAttributeCondition { |
| |
| /** |
| * Creates a new CSSAttributeCondition object. |
| */ |
| public CSSClassCondition(String localName, |
| String namespaceURI, |
| String value) { |
| super(localName, namespaceURI, true, value); |
| } |
| |
| /** |
| * <b>SAC</b>: Implements {@link |
| * org.w3c.css.sac.Condition#getConditionType()}. |
| */ |
| public short getConditionType() { |
| return SAC_CLASS_CONDITION; |
| } |
| |
| /** |
| * Tests whether this condition matches the given element. |
| */ |
| public boolean match(Element e, String pseudoE) { |
| if (!(e instanceof CSSStylableElement)) |
| return false; // Can't match an unstylable element. |
| String attr = ((CSSStylableElement)e).getCSSClass(); |
| String val = getValue(); |
| int attrLen = attr.length(); |
| int valLen = val.length(); |
| |
| int i = attr.indexOf(val); |
| while (i != -1) { |
| if (i == 0 || Character.isSpaceChar(attr.charAt(i - 1))) { |
| if (i + valLen == attrLen || |
| Character.isSpaceChar(attr.charAt(i + valLen))) { |
| return true; |
| } |
| } |
| i = attr.indexOf(val, i + valLen); |
| } |
| return false; |
| } |
| |
| /** |
| * Returns a text representation of this object. |
| */ |
| public String toString() { |
| return '.' + getValue(); |
| } |
| } |