| /* |
| * 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.CssDef; |
| import com.google.gwt.resources.css.ast.CssVisitor; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| /** |
| * Collects the names of all user-defined {@literal @def} constants in the |
| * stylesheet. |
| */ |
| public class DefsCollector extends CssVisitor { |
| private final Set<String> defs = new HashSet<String>(); |
| |
| @Override |
| public void endVisit(CssDef x, Context ctx) { |
| defs.add(x.getKey()); |
| } |
| |
| public Set<String> getDefs() { |
| return defs; |
| } |
| } |