| /* |
| 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 java.util.List; |
| |
| /** |
| * Specification of an option that accepts an optional argument. |
| * |
| * @param <V> represents the type of the arguments this option accepts |
| * @author <a href="mailto:pholser@alumni.rice.edu">Paul Holser</a> |
| */ |
| class OptionalArgumentOptionSpec<V> extends ArgumentAcceptingOptionSpec<V> { |
| OptionalArgumentOptionSpec( String option ) { |
| super( option, false ); |
| } |
| |
| OptionalArgumentOptionSpec( List<String> options, String description ) { |
| super( options, false, description ); |
| } |
| |
| @Override |
| protected void detectOptionArgument( OptionParser parser, ArgumentList arguments, OptionSet detectedOptions ) { |
| if ( arguments.hasMore() ) { |
| String nextArgument = arguments.peek(); |
| |
| if ( !parser.looksLikeAnOption( nextArgument ) && canConvertArgument( nextArgument ) ) |
| handleOptionArgument( parser, detectedOptions, arguments ); |
| else if ( isArgumentOfNumberType() && canConvertArgument( nextArgument ) ) |
| addArguments( detectedOptions, arguments.next() ); |
| else |
| detectedOptions.add( this ); |
| } |
| else |
| detectedOptions.add( this ); |
| } |
| |
| private void handleOptionArgument( OptionParser parser, OptionSet detectedOptions, ArgumentList arguments ) { |
| if ( parser.posixlyCorrect() ) { |
| detectedOptions.add( this ); |
| parser.noMoreOptions(); |
| } |
| else |
| addArguments( detectedOptions, arguments.next() ); |
| } |
| } |