| /* |
| The MIT License |
| |
| Copyright (c) 2004-2015 Paul R. Holser, Jr. |
| |
| Permission is hereby granted, free of charge, to any person obtaining |
| a copy of this software and associated documentation files (the |
| "Software"), to deal in the Software without restriction, including |
| without limitation the rights to use, copy, modify, merge, publish, |
| distribute, sublicense, and/or sell copies of the Software, and to |
| permit persons to whom the Software is furnished to do so, subject to |
| the following conditions: |
| |
| The above copyright notice and this permission notice shall be |
| included in all copies or substantial portions of the Software. |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| |
| package joptsimple; |
| |
| import static joptsimple.ParserRules.*; |
| |
| /** |
| * Abstraction of parser state; mostly serves to model how a parser behaves depending on whether end-of-options |
| * has been detected. |
| * |
| * @author <a href="mailto:pholser@alumni.rice.edu">Paul Holser</a> |
| */ |
| abstract class OptionParserState { |
| static OptionParserState noMoreOptions() { |
| return new OptionParserState() { |
| @Override |
| protected void handleArgument( OptionParser parser, ArgumentList arguments, OptionSet detectedOptions ) { |
| parser.handleNonOptionArgument( arguments.next(), arguments, detectedOptions ); |
| } |
| }; |
| } |
| |
| static OptionParserState moreOptions( final boolean posixlyCorrect ) { |
| return new OptionParserState() { |
| @Override |
| protected void handleArgument( OptionParser parser, ArgumentList arguments, OptionSet detectedOptions ) { |
| String candidate = arguments.next(); |
| try { |
| if ( isOptionTerminator( candidate ) ) { |
| parser.noMoreOptions(); |
| return; |
| } else if ( isLongOptionToken( candidate ) ) { |
| parser.handleLongOptionToken( candidate, arguments, detectedOptions ); |
| return; |
| } else if ( isShortOptionToken( candidate ) ) { |
| parser.handleShortOptionToken( candidate, arguments, detectedOptions ); |
| return; |
| } |
| } catch ( UnrecognizedOptionException e ) { |
| if ( !parser.doesAllowsUnrecognizedOptions() ) |
| throw e; |
| } |
| |
| if ( posixlyCorrect ) |
| parser.noMoreOptions(); |
| |
| parser.handleNonOptionArgument( candidate, arguments, detectedOptions ); |
| } |
| }; |
| } |
| |
| protected abstract void handleArgument( OptionParser parser, ArgumentList arguments, OptionSet detectedOptions ); |
| } |