/** * 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.commons.cli; import java.util.ArrayList; import java.util.List; /** * The class GnuParser provides an implementation of the * {@link Parser#flatten(Options, String[], boolean) flatten} method. * * @version $Id: GnuParser.java 1445352 2013-02-12 20:48:19Z tn $ * @deprecated since 1.3, use the {@link DefaultParser} instead */ @Deprecated public class GnuParser extends Parser { /** * This flatten method does so using the following rules: * <ol> * <li>If an {@link Option} exists for the first character of * the <code>arguments</code> entry <b>AND</b> an {@link Option} * does not exist for the whole <code>argument</code> then * add the first character as an option to the processed tokens * list e.g. "-D" and add the rest of the entry to the also.</li> * <li>Otherwise just add the token to the processed tokens list.</li> * </ol> * * @param options The Options to parse the arguments by. * @param arguments The arguments that have to be flattened. * @param stopAtNonOption specifies whether to stop flattening when * a non option has been encountered * @return a String array of the flattened arguments */ @Override protected String[] flatten(Options options, String[] arguments, boolean stopAtNonOption) { List<String> tokens = new ArrayList<String>(); boolean eatTheRest = false; for (int i = 0; i < arguments.length; i++) { String arg = arguments[i]; if ("--".equals(arg)) { eatTheRest = true; tokens.add("--"); } else if ("-".equals(arg)) { tokens.add("-"); } else if (arg.startsWith("-")) { String opt = Util.stripLeadingHyphens(arg); if (options.hasOption(opt)) { tokens.add(arg); } else { if (opt.indexOf('=') != -1 && options.hasOption(opt.substring(0, opt.indexOf('=')))) { // the format is --foo=value or -foo=value tokens.add(arg.substring(0, arg.indexOf('='))); // --foo tokens.add(arg.substring(arg.indexOf('=') + 1)); // value } else if (options.hasOption(arg.substring(0, 2))) { // the format is a special properties option (-Dproperty=value) tokens.add(arg.substring(0, 2)); // -D tokens.add(arg.substring(2)); // property=value } else { eatTheRest = stopAtNonOption; tokens.add(arg); } } } else { tokens.add(arg); } if (eatTheRest) { for (i++; i < arguments.length; i++) //NOPMD { tokens.add(arguments[i]); } } } return tokens.toArray(new String[tokens.size()]); } }