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VoltDB client interface libraries
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache 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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons_voltpatches.cli;
import java.util.ArrayList;
import java.util.List;
/**
* The class GnuParser provides an implementation of the
* {@link Parser#flatten(Options, String[], boolean) flatten} method.
*
* @version $Id: GnuParser.java 1445352 2013-02-12 20:48:19Z tn $
* @deprecated since 1.3, use the {@link DefaultParser} instead
*/
@Deprecated
public class GnuParser extends Parser
{
/**
* This flatten method does so using the following rules:
*
* - If an {@link Option} exists for the first character of
* the
arguments
entry AND an {@link Option}
* does not exist for the whole argument
then
* add the first character as an option to the processed tokens
* list e.g. "-D" and add the rest of the entry to the also.
* - Otherwise just add the token to the processed tokens list.
*
*
* @param options The Options to parse the arguments by.
* @param arguments The arguments that have to be flattened.
* @param stopAtNonOption specifies whether to stop flattening when
* a non option has been encountered
* @return a String array of the flattened arguments
*/
@Override
protected String[] flatten(Options options, String[] arguments, boolean stopAtNonOption)
{
List tokens = new ArrayList();
boolean eatTheRest = false;
for (int i = 0; i < arguments.length; i++)
{
String arg = arguments[i];
if ("--".equals(arg))
{
eatTheRest = true;
tokens.add("--");
}
else if ("-".equals(arg))
{
tokens.add("-");
}
else if (arg.startsWith("-"))
{
String opt = Util.stripLeadingHyphens(arg);
if (options.hasOption(opt))
{
tokens.add(arg);
}
else
{
if (opt.indexOf('=') != -1 && options.hasOption(opt.substring(0, opt.indexOf('='))))
{
// the format is --foo=value or -foo=value
tokens.add(arg.substring(0, arg.indexOf('='))); // --foo
tokens.add(arg.substring(arg.indexOf('=') + 1)); // value
}
else if (options.hasOption(arg.substring(0, 2)))
{
// the format is a special properties option (-Dproperty=value)
tokens.add(arg.substring(0, 2)); // -D
tokens.add(arg.substring(2)); // property=value
}
else
{
eatTheRest = stopAtNonOption;
tokens.add(arg);
}
}
}
else
{
tokens.add(arg);
}
if (eatTheRest)
{
for (i++; i < arguments.length; i++) //NOPMD
{
tokens.add(arguments[i]);
}
}
}
return tokens.toArray(new String[tokens.size()]);
}
}