| /* |
| * 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.CssExternalSelectors; |
| import com.google.gwt.resources.css.ast.CssVisitor; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| /** |
| * Collects all {@code @external} declarations in the stylesheet. |
| */ |
| public class ExternalClassesCollector extends CssVisitor { |
| private final Set<String> classes = new HashSet<String>(); |
| |
| @Override |
| public void endVisit(CssExternalSelectors x, Context ctx) { |
| classes.addAll(x.getClasses()); |
| } |
| |
| public Set<String> getClasses() { |
| return classes; |
| } |
| } |