001/*
002 * Copyright (C) 2012 eXo Platform SAS.
003 *
004 * This is free software; you can redistribute it and/or modify it
005 * under the terms of the GNU Lesser General Public License as
006 * published by the Free Software Foundation; either version 2.1 of
007 * the License, or (at your option) any later version.
008 *
009 * This software is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * You should have received a copy of the GNU Lesser General Public
015 * License along with this software; if not, write to the Free
016 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
017 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
018 */
019
020/*
021 * Copyright (C) 2012 eXo Platform SAS.
022 *
023 * This is free software; you can redistribute it and/or modify it
024 * under the terms of the GNU Lesser General Public License as
025 * published by the Free Software Foundation; either version 2.1 of
026 * the License, or (at your option) any later version.
027 *
028 * This software is distributed in the hope that it will be useful,
029 * but WITHOUT ANY WARRANTY; without even the implied warranty of
030 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
031 * Lesser General Public License for more details.
032 *
033 * You should have received a copy of the GNU Lesser General Public
034 * License along with this software; if not, write to the Free
035 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
036 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
037 */
038
039package org.crsh.cli.impl.completion;
040
041import org.crsh.cli.descriptor.CommandDescriptor;
042import org.crsh.cli.impl.Delimiter;
043
044class CommandCompletion<T> extends Completion {
045
046  /** . */
047  private final CommandDescriptor<T> descriptor;
048
049  /** . */
050  private final String mainName;
051
052  /** . */
053  private final  String prefix;
054
055  /** . */
056  private final Delimiter delimiter;
057
058  CommandCompletion(CommandDescriptor<T> descriptor, String mainName, String prefix, Delimiter delimiter) {
059    this.descriptor = descriptor;
060    this.mainName = mainName;
061    this.prefix = prefix;
062    this.delimiter = delimiter;
063  }
064
065  @Override
066  public CompletionMatch complete() throws CompletionException {
067    org.crsh.cli.spi.Completion.Builder builder = org.crsh.cli.spi.Completion.builder(prefix);
068    for (CommandDescriptor<?> m : descriptor.getSubordinates().values()) {
069      String name = m.getName();
070      if (name.startsWith(prefix)) {
071        if (!name.equals(mainName)) {
072          builder.add(name.substring(prefix.length()), true);
073        }
074      }
075    }
076    return new CompletionMatch(delimiter, builder.build());
077  }
078}