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Groovy: A powerful, dynamic language for the JVM
/*
* 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.codehaus.groovy.tools.shell.util
import jline.Terminal
import org.apache.commons.cli.Option
import org.apache.commons.cli.Options
//
// NOTE: Some code duplicated and augmented from commons-cli (1.0) sources to
// properly render options w/arguments.
//
/**
* Custom CLI help formatter to render things correctly.
*
* @author Jason Dillon
*/
class HelpFormatter
extends org.apache.commons.cli.HelpFormatter
{
HelpFormatter() {
leftPadding = 2
descPadding = 4
}
// Detect the terminal width late
int getDefaultWidth() {
return Terminal.terminal.terminalWidth - 1
}
@Override
protected StringBuffer renderOptions(final StringBuffer sb, final int width, final Options options, final int leftPad, final int descPad) {
assert sb != null
assert options
List prefixes = []
String lpad = ' ' * leftPad
List