| /* |
| * Copyright 2009 Google Inc. |
| * |
| * 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 com.google.gwt.resources.css; |
| |
| import com.google.gwt.resources.css.ast.Context; |
| import com.google.gwt.resources.css.ast.CssModVisitor; |
| import com.google.gwt.resources.css.ast.CssNodeCloner; |
| import com.google.gwt.resources.css.ast.CssProperty; |
| import com.google.gwt.resources.css.ast.CssRule; |
| import com.google.gwt.resources.css.ast.CssSelector; |
| |
| /** |
| * Splits rules with compound selectors into multiple rules. |
| */ |
| public class SplitRulesVisitor extends CssModVisitor { |
| @Override |
| public void endVisit(CssRule x, Context ctx) { |
| if (x.getSelectors().size() == 1) { |
| return; |
| } |
| |
| for (CssSelector sel : x.getSelectors()) { |
| CssRule newRule = new CssRule(); |
| newRule.getSelectors().add(sel); |
| newRule.getProperties().addAll( |
| CssNodeCloner.clone(CssProperty.class, x.getProperties())); |
| ctx.insertBefore(newRule); |
| } |
| ctx.removeMe(); |
| return; |
| } |
| } |