| /* |
| * 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.myfaces.buildtools.maven2.plugin.javascript.obfuscator.javascript15parser; |
| |
| //~--- JDK imports ------------------------------------------------------------ |
| |
| import java.util.Stack; |
| |
| //~--- classes ---------------------------------------------------------------- |
| |
| public class ProgramContextStack extends Stack { |
| public ProgramContextStack() {} |
| |
| //~--- methods ------------------------------------------------------------ |
| |
| public ProgramContext popContext() { |
| return ((ProgramContext) pop()); |
| } |
| |
| public void pushContext(ProgramContext context) { |
| push(context); |
| } |
| |
| //~--- get methods -------------------------------------------------------- |
| |
| public AnnotatedToken getToken(String name) { |
| AnnotatedToken token = null; |
| |
| for (int i = size() - 1; i >= 0; i--) { |
| ProgramContext context = (ProgramContext) get(i); |
| |
| if (null != (token = context.getToken(name))) { |
| break; |
| } |
| } |
| |
| return token; |
| } |
| |
| /** |
| * |
| * @param name |
| * @param depth |
| * @return |
| */ |
| public AnnotatedToken getToken(String name, int depth) { |
| int end; |
| |
| end = size() - depth; |
| end = Math.max(end, 0); |
| |
| AnnotatedToken token = null; |
| |
| for (int i = size() - 1; i >= end; i--) { |
| ProgramContext context = (ProgramContext) get(i); |
| |
| if (null != (token = context.getToken(name))) { |
| break; |
| } |
| } |
| |
| return token; |
| } |
| } |
| |
| |
| //~ Formatted by Jindent --- http://www.jindent.com |