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    package org.crsh.console;
020    
021    import jline.console.Operation;
022    import org.crsh.keyboard.KeyType;
023    
024    /**
025     * A recorded key stroke that associates an operation with the sequence that triggered it.
026     *
027     * @author Julien Viet
028     */
029    class KeyStroke {
030    
031      /** . */
032      final Operation operation;
033    
034      /** . */
035      final int[] sequence;
036    
037      public KeyStroke(Operation operation, int... sequence) {
038        this.operation = operation;
039        this.sequence = sequence;
040      }
041    
042      KeyType map() {
043        switch (operation) {
044          case SELF_INSERT:
045            if (sequence.length == 1 && sequence[0] >= 32) {
046              return KeyType.CHARACTER;
047            }
048            break;
049          case BACKWARD_CHAR:
050            return KeyType.LEFT;
051          case FORWARD_CHAR:
052            return KeyType.RIGHT;
053          case PREVIOUS_HISTORY:
054            return KeyType.UP;
055          case NEXT_HISTORY:
056            return KeyType.DOWN;
057          case BACKWARD_DELETE_CHAR:
058            return KeyType.BACKSPACE;
059          case DELETE_CHAR:
060            return KeyType.DELETE;
061          case ACCEPT_LINE:
062            return KeyType.ENTER;
063        }
064        return KeyType.UNKNOWN;
065      }
066    }