001 /* 002 * Copyright (C) 2010 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 */ 019 020 package org.crsh.term.spi.jline; 021 022 import jline.console.ConsoleReader; 023 import org.crsh.term.CodeType; 024 import org.crsh.term.spi.TermIO; 025 026 import java.io.IOException; 027 import java.lang.reflect.Field; 028 import java.lang.reflect.Method; 029 030 /** 031 * @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a> 032 * @version $Revision$ 033 */ 034 public class JLineIO implements TermIO { 035 036 /** . */ 037 private final ConsoleReader reader; 038 039 /** . */ 040 private final short[] keyBindings; 041 042 /** . */ 043 private StringBuffer buffer = new StringBuffer(); 044 045 public JLineIO() throws Exception { 046 ConsoleReader reader = new ConsoleReader(); 047 Method method = ConsoleReader.class.getDeclaredMethod("getKeyForAction", short.class); 048 method.setAccessible(true); 049 050 051 Field f = ConsoleReader.class.getDeclaredField("keybindings"); 052 f.setAccessible(true); 053 short[] keyBindings = (short[])f.get(reader); 054 055 056 // 057 this.reader = reader; 058 this.keyBindings = keyBindings; 059 } 060 061 public int read() throws IOException { 062 // int i = reader.readVirtualKey(); 063 // return i; 064 throw new UnsupportedOperationException(); 065 } 066 067 public int getWidth() { 068 // return reader.getTermwidth(); 069 throw new UnsupportedOperationException(); 070 } 071 072 public String getProperty(String name) { 073 return null; 074 } 075 076 public CodeType decode(int code) { 077 /* 078 short action = keyBindings[code]; 079 switch (action) { 080 case ConsoleReader.COMPLETE: 081 return CodeType.TAB; 082 case ConsoleReader.DELETE_PREV_CHAR: 083 return CodeType.BACKSPACE; 084 case ConsoleReader.PREV_CHAR: 085 return CodeType.LEFT; 086 case ConsoleReader.NEXT_CHAR: 087 return CodeType.RIGHT; 088 case ConsoleReader.EXIT: 089 return CodeType.CLOSE; 090 case ConsoleReader.PREV_HISTORY: 091 return CodeType.UP; 092 case ConsoleReader.NEXT_HISTORY: 093 return CodeType.DOWN; 094 default: 095 return CodeType.CHAR; 096 } 097 */ 098 throw new UnsupportedOperationException(); 099 } 100 101 public void close() { 102 // 103 } 104 105 public void flush() throws IOException { 106 System.out.print(buffer); 107 buffer.setLength(0); 108 } 109 110 public void write(String s) throws IOException { 111 buffer.append(s); 112 } 113 114 public void write(char c) throws IOException { 115 buffer.append(c); 116 } 117 118 public void writeDel() throws IOException { 119 buffer.append("\b \b"); 120 } 121 122 public void writeCRLF() throws IOException { 123 buffer.append("\n"); 124 } 125 126 public boolean moveRight(char c) throws IOException { 127 buffer.append(c); 128 return true; 129 } 130 131 public boolean moveLeft() throws IOException { 132 buffer.append("\b"); 133 return true; 134 } 135 }