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.lang.impl.groovy; 020 021 import org.crsh.cli.impl.line.LineParser; 022 import org.crsh.cli.impl.line.Quoting; 023 024 /** 025 * Escape CRLF to '\\' + 'n' inside quotes. 026 * 027 * @author Julien Viet 028 */ 029 class GroovyLineEscaper extends LineParser.Visitor { 030 031 /** . */ 032 final StringBuilder buffer = new StringBuilder(); 033 034 @Override 035 public void onChar(int index, Quoting quoting, boolean backslash, char c) { 036 if (quoting != null && c == '\n') { 037 buffer.append('\\').append('n'); 038 } else { 039 if (backslash) { 040 buffer.append('\\'); 041 } 042 buffer.append(c); 043 } 044 } 045 046 @Override 047 public void openStrongQuote(int index) { 048 buffer.append("'"); 049 } 050 051 @Override 052 public void closeStrongQuote(int index) { 053 buffer.append("'"); 054 } 055 056 @Override 057 public void openWeakQuote(int index) { 058 buffer.append("\""); 059 } 060 061 @Override 062 public void closeWeakQuote(int index) { 063 buffer.append("\""); 064 } 065 }