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.text;
020
021 import java.io.IOException;
022
023 /** @author Julien Viet */
024 public enum Format {
025
026 TEXT() {
027 @Override
028 public void append(Chunk chunk, Appendable to) throws IOException {
029 if (chunk instanceof Text) {
030 Text text = (Text)chunk;
031 if (text.buffer.length() > 0) {
032 to.append(text.buffer);
033 }
034 }
035 }
036 },
037
038 ANSI() {
039 @Override
040 public void append(Chunk chunk, Appendable to) throws IOException {
041 if (chunk instanceof Text) {
042 Text text = (Text)chunk;
043 if (text.buffer.length() > 0) {
044 to.append(text.buffer);
045 }
046 } else if (chunk instanceof Style) {
047 ((Style)chunk).writeAnsiTo(to);
048 }
049 }
050 };
051
052 public abstract void append(Chunk chunk, Appendable to) throws IOException;
053
054 }