/*
* $Id$
*
* Copyright (C) 2003-2015 JNode.org
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.shell;
import org.jnode.driver.console.CompletionInfo;
import org.jnode.shell.syntax.Argument;
import org.jnode.shell.syntax.ArgumentBundle;
/**
* This class wraps an Argument as a Completable for use in a default syntax.
*
* @author crawley@jnode.org
*/
public class ArgumentCompleter implements Completable {
private final Argument<?> argument;
private final CommandLine.Token token;
/**
* Create the wrapper.
*
* @param argument the Argument to be used for completion.
* @param token a CommandLine.Token supplying a partial value,
* or <code>null</code>.
*/
public ArgumentCompleter(Argument<?> argument, CommandLine.Token token) {
this.argument = argument;
this.token = token;
if (argument.getBundle() == null) {
new ArgumentBundle(argument).setStatus(ArgumentBundle.PARSING);
}
}
public void complete(CompletionInfo completions, CommandShell shell) {
argument.complete(completions, token == null ? "" : token.text, 0);
if (token != null) {
completions.setCompletionStart(token.start);
}
}
}