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/*******************************************************************************
* Copyright (c) 2018 protos software gmbh (http://www.protos.de).
* All rights reserved.
*
* This program and the accompanying materials are made
* available under the terms of the Eclipse Public License 2.0
* which is available at https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* CONTRIBUTORS:
* Jan Belle (initial contribution)
*
*******************************************************************************/
package org.eclipse.etrice.generator.base.cli;
import java.util.Formatter;
import org.eclipse.etrice.generator.base.args.Option;
import org.eclipse.etrice.generator.base.args.Options;
import org.eclipse.etrice.generator.base.args.StringArrayOption;
/**
* Simple implementation for command line help formatting.
*/
public class HelpFormatter implements IHelpFormatter {
public HelpFormatter() {
}
@Override
public String getHelp(String name, Options options, StringArrayOption defaultOption) {
try(Formatter formatter = new Formatter()) {
formatter.format("%s usage: [options] %s...%n", name, defaultOption.getName());
formatter.format("Options:%n");
for(Option<?> opt: options) {
if(opt != defaultOption) {
String optStr = "-" + opt.getName();
if(!opt.getType().equals(Boolean.class)) {
optStr += " <" + opt.getArgumentName() + ">";
}
formatter.format(" %-30s %s%n", optStr, opt.getDescription());
}
}
return formatter.toString();
}
}
}
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