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 */
019package org.crsh.cli.impl.line;
020
021/**
022 * @author Julien Viet
023 */
024public 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}