org.crsh.cmdline.matcher.impl.OptionCompletion Maven / Gradle / Ivy
/*
* Copyright (C) 2012 eXo Platform SAS.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.crsh.cmdline.matcher.impl;
import org.crsh.cmdline.CommandCompletion;
import org.crsh.cmdline.CommandDescriptor;
import org.crsh.cmdline.Delimiter;
import org.crsh.cmdline.matcher.CmdCompletionException;
import org.crsh.cmdline.matcher.tokenizer.Token;
import java.util.Set;
class OptionCompletion extends org.crsh.cmdline.matcher.impl.Completion {
/** . */
private final CommandDescriptor descriptor;
/** . */
private final Token.Literal.Option prefix;
OptionCompletion(CommandDescriptor descriptor, Token.Literal.Option prefix) {
this.descriptor = descriptor;
this.prefix = prefix;
}
@Override
protected CommandCompletion complete() throws CmdCompletionException {
org.crsh.cmdline.spi.Completion.Builder builder = org.crsh.cmdline.spi.Completion.builder(prefix.getValue());
Set optionNames = prefix instanceof Token.Literal.Option.Short ? descriptor.getShortOptionNames() : descriptor.getLongOptionNames();
for (String optionName : optionNames) {
if (optionName.startsWith(prefix.getValue())) {
builder.add(optionName.substring(prefix.getValue().length()), true);
}
}
return new CommandCompletion(Delimiter.EMPTY, builder.build());
}
}