/***** BEGIN LICENSE BLOCK ***** * Version: EPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Eclipse Public * 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.eclipse.org/legal/epl-v20.html * * Software distributed under the License is distributed on an "AS * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or * implied. See the License for the specific language governing * rights and limitations under the License. * * Copyright (C) 2011 Koichiro Ohba * * Alternatively, the contents of this file may be used under the terms of * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the LGPL, and not to allow others to * use your version of this file under the terms of the EPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the EPL, the LGPL. ***** END LICENSE BLOCK *****/ package org.jruby.ext.nkf; public class CommandParser { public Command parse(Options opt, String args) { Command cc = new Command(); String[] tokens = args.split("\\s"); for (int i = 0; i < tokens.length; i++) { // long option if (tokens[i].startsWith("--")) { String s = stripDash(tokens[i]); if (opt.hasLongOption(s)) { cc.addOption(opt.matchLongOption(s)); } } else { // short option String s = stripDash(tokens[i]); int max = s.length(); for (int j = 0; j < max; j++) { if (opt.hasShortOption(s)) { Option cmd = opt.matchShortOption(s); if (cmd.getValue() != null) { int op_len = cmd.getValue().length(); s = s.substring(op_len); j = j + op_len; } cc.addOption(cmd); } s = s.substring(1); } } } return cc; } private String stripDash(String s) { if (s.startsWith("--")) { return s.substring(2, s.length()); } else if (s.startsWith("-")) { return s.substring(1, s.length()); } else { return s; } } }