1 /* 2 * Copyright (c) 2009, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 /* 27 * This file is available under and governed by the GNU General Public 28 * License version 2 only, as published by the Free Software Foundation. 29 * However, the following notice accompanied the original version of this 30 * file: 31 * 32 * The MIT License 33 * 34 * Copyright (c) 2004-2015 Paul R. Holser, Jr. 35 * 36 * Permission is hereby granted, free of charge, to any person obtaining 37 * a copy of this software and associated documentation files (the 38 * "Software"), to deal in the Software without restriction, including 39 * without limitation the rights to use, copy, modify, merge, publish, 40 * distribute, sublicense, and/or sell copies of the Software, and to 41 * permit persons to whom the Software is furnished to do so, subject to 42 * the following conditions: 43 * 44 * The above copyright notice and this permission notice shall be 45 * included in all copies or substantial portions of the Software. 46 * 47 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 48 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 49 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 50 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 51 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 52 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 53 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 54 */ 55 56 package jdk.internal.joptsimple; 57 58 import static jdk.internal.joptsimple.ParserRules.*; 59 60 /** 61 * Abstraction of parser state; mostly serves to model how a parser behaves depending on whether end-of-options 62 * has been detected. 63 * 64 * @author <a href="mailto:pholser@alumni.rice.edu">Paul Holser</a> 65 */ 66 abstract class OptionParserState { noMoreOptions()67 static OptionParserState noMoreOptions() { 68 return new OptionParserState() { 69 @Override 70 protected void handleArgument( OptionParser parser, ArgumentList arguments, OptionSet detectedOptions ) { 71 parser.handleNonOptionArgument( arguments.next(), arguments, detectedOptions ); 72 } 73 }; 74 } 75 76 static OptionParserState moreOptions( final boolean posixlyCorrect ) { 77 return new OptionParserState() { 78 @Override 79 protected void handleArgument( OptionParser parser, ArgumentList arguments, OptionSet detectedOptions ) { 80 String candidate = arguments.next(); 81 try { 82 if ( isOptionTerminator( candidate ) ) { 83 parser.noMoreOptions(); 84 return; 85 } else if ( isLongOptionToken( candidate ) ) { 86 parser.handleLongOptionToken( candidate, arguments, detectedOptions ); 87 return; 88 } else if ( isShortOptionToken( candidate ) ) { 89 parser.handleShortOptionToken( candidate, arguments, detectedOptions ); 90 return; 91 } 92 } catch ( UnrecognizedOptionException e ) { 93 if ( !parser.doesAllowsUnrecognizedOptions() ) 94 throw e; 95 } 96 97 if ( posixlyCorrect ) 98 parser.noMoreOptions(); 99 100 parser.handleNonOptionArgument( candidate, arguments, detectedOptions ); 101 } 102 }; 103 } 104 105 protected abstract void handleArgument( OptionParser parser, ArgumentList arguments, OptionSet detectedOptions ); 106 } 107