| /* |
| 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. |
| * |
| * @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} entry <b>AND</b> an |
| * {@link Option} does not exist for the whole {@code argument} 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(final Options options, final String[] arguments, final boolean stopAtNonOption) { |
| final List<String> tokens = new ArrayList<>(); |
| |
| boolean eatTheRest = false; |
| |
| for (int i = 0; i < arguments.length; i++) { |
| final String arg = arguments[i]; |
| |
| if ("--".equals(arg)) { |
| eatTheRest = true; |
| tokens.add("--"); |
| } else if ("-".equals(arg)) { |
| tokens.add("-"); |
| } else if (arg.startsWith("-")) { |
| final 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(Util.EMPTY_STRING_ARRAY); |
| } |
| } |