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.cli.impl.line;
020    
021    /**
022     * @author Julien Viet
023     */
024    public class ValueLineVisitor extends LineParser.Visitor {
025    
026      /** . */
027      private final StringBuilder evaluated = new StringBuilder();
028    
029      public String getEvaluated() {
030        return evaluated.toString();
031      }
032    
033      @Override
034      public void onChar(int index, Quoting quoting, boolean backslash, char c) {
035        if (quoting != null && backslash) {
036          switch (quoting) {
037            case WEAK:
038              if (c != '"') {
039                evaluated.append('\\');
040              }
041              break;
042            case STRONG:
043              if (c != '\'') {
044                evaluated.append('\\');
045              }
046              break;
047          }
048        }
049        evaluated.append(c);
050      }
051    
052      @Override
053      public void reset() {
054        evaluated.setLength(0);
055      }
056    }