Mirror von
https://github.com/IntellectualSites/FastAsyncWorldEdit.git
synchronisiert 2024-09-20 06:40:05 +02:00
89 Zeilen
3.1 KiB
Java
89 Zeilen
3.1 KiB
Java
/*
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The MIT License
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Copyright (c) 2009 Paul R. Holser, Jr.
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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package joptsimple;
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import java.util.Collection;
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import static java.lang.Character.*;
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/**
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* <p>Can tell whether or not options are well-formed.</p>
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*
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* @author <a href="mailto:pholser@alumni.rice.edu">Paul Holser</a>
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* @version $Id: ParserRules.java,v 1.14 2009/09/23 00:39:14 pholser Exp $
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*/
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final class ParserRules {
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static final char HYPHEN_CHAR = '-';
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static final String HYPHEN = String.valueOf( HYPHEN_CHAR );
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static final String DOUBLE_HYPHEN = "--";
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static final String OPTION_TERMINATOR = DOUBLE_HYPHEN;
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static final String RESERVED_FOR_EXTENSIONS = "W";
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static {
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new ParserRules();
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}
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private ParserRules() {
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// nothing to do here
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}
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static boolean isShortOptionToken( String argument ) {
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return argument.startsWith( HYPHEN )
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&& !HYPHEN.equals( argument )
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&& !isLongOptionToken( argument );
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}
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static boolean isLongOptionToken( String argument ) {
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return argument.startsWith( DOUBLE_HYPHEN ) && !isOptionTerminator( argument );
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}
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static boolean isOptionTerminator( String argument ) {
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return OPTION_TERMINATOR.equals( argument );
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}
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static void ensureLegalOption( String option ) {
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if ( option.startsWith( HYPHEN ) )
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throw new IllegalOptionSpecificationException( String.valueOf( option ) );
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for ( int i = 0; i < option.length(); ++i )
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ensureLegalOptionCharacter( option.charAt( i ) );
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}
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static void ensureLegalOptions( Collection<String> options ) {
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for ( String each : options )
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ensureLegalOption( each );
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}
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private static void ensureLegalOptionCharacter( char option ) {
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if ( !( isLetterOrDigit( option ) || isAllowedPunctuation( option ) ) )
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throw new IllegalOptionSpecificationException( String.valueOf( option ) );
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}
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private static boolean isAllowedPunctuation( char option ) {
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String allowedPunctuation = "?." + HYPHEN_CHAR;
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return allowedPunctuation.indexOf( option ) != -1;
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}
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}
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