| /* Native2ASCII.java - native2ascii program |
| Copyright (C) 2003 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package gnu.classpath.tools.native2ascii; |
| |
| import gnu.classpath.tools.getopt.ClasspathToolParser; |
| import gnu.classpath.tools.getopt.FileArgumentCallback; |
| import gnu.classpath.tools.getopt.Option; |
| import gnu.classpath.tools.getopt.OptionException; |
| import gnu.classpath.tools.getopt.Parser; |
| |
| import java.io.BufferedReader; |
| import java.io.BufferedWriter; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.io.OutputStream; |
| import java.io.OutputStreamWriter; |
| import java.io.PrintWriter; |
| |
| /** |
| * Native2ASCII main program. |
| * @author Ito Kazumitsu <kaz@maczuka.gcd.org> |
| */ |
| public class Native2ASCII |
| { |
| // Input file. |
| String input; |
| // Output file. |
| String output; |
| // Encoding to use. |
| String encoding; |
| // True for reverse operation. |
| boolean reversed; |
| |
| private class HandleFile extends FileArgumentCallback |
| { |
| public HandleFile() |
| { |
| } |
| |
| public void notifyFile(String fileArgument) |
| throws OptionException |
| { |
| if (input == null) |
| input = fileArgument; |
| else if (output == null) |
| output = fileArgument; |
| else |
| throw new OptionException(Messages.getString("Native2ASCII.TooManyFiles")); //$NON-NLS-1$ |
| } |
| } |
| |
| private Parser createParser() |
| { |
| Parser result = new ClasspathToolParser("native2ascii", true); //$NON-NLS-1$ |
| result.setHeader(Messages.getString("Native2ASCII.Usage")); //$NON-NLS-1$ |
| |
| result.add(new Option("encoding", Messages.getString("Native2ASCII.EncodingHelp"), Messages.getString("Native2ASCII.EncodingArgName")) //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ |
| { |
| public void parsed(String argument) throws OptionException |
| { |
| if (encoding != null) |
| throw new OptionException(Messages.getString("Native2ASCII.EncodingSpecified")); //$NON-NLS-1$ |
| encoding = argument; |
| } |
| }); |
| result.add(new Option("reversed", Messages.getString("Native2ASCII.ReversedHelp")) //$NON-NLS-1$ //$NON-NLS-2$ |
| { |
| public void parsed(String argument) throws OptionException |
| { |
| reversed = true; |
| } |
| }); |
| |
| return result; |
| } |
| |
| private void run(String[] args) |
| { |
| Parser argParser = createParser(); |
| argParser.parse(args, new HandleFile()); |
| |
| if (encoding == null) |
| encoding = System.getProperty("file.encoding"); //$NON-NLS-1$ |
| try |
| { |
| InputStream is = (input == null ? System.in |
| : new FileInputStream(input)); |
| OutputStream os = (output == null ? (OutputStream) System.out |
| : new FileOutputStream(output)); |
| |
| BufferedReader rdr = new BufferedReader(new InputStreamReader(is, |
| encoding)); |
| PrintWriter wtr = new PrintWriter( |
| new BufferedWriter( |
| new OutputStreamWriter( |
| os, |
| encoding))); |
| while (true) |
| { |
| String s = rdr.readLine(); |
| if (s == null) |
| break; |
| StringBuffer sb = new StringBuffer(s.length() + 80); |
| for (int i = 0; i < s.length(); i++) |
| { |
| char c = s.charAt(i); |
| if (reversed |
| && i + 6 < s.length() |
| && s.charAt(i) == '\\' |
| && s.charAt(i + 1) == 'u') |
| { |
| int num = Integer.parseInt(s.substring(i + 2, i + 6), 16); |
| sb.append((char) num); |
| i += 5; |
| } |
| else if ((int)c <= 127 || reversed) |
| { |
| sb.append(c); |
| } |
| else |
| { |
| sb.append("\\u"); //$NON-NLS-1$ |
| if ((int)c <= 0xff) |
| sb.append("00"); //$NON-NLS-1$ |
| else if ((int)c <= 0xfff) |
| sb.append("0"); //$NON-NLS-1$ |
| sb.append(Integer.toHexString((int) c)); |
| } |
| } |
| wtr.println(sb.toString()); |
| } |
| rdr.close(); |
| wtr.flush(); |
| wtr.close(); |
| } |
| catch (Exception e) |
| { |
| e.printStackTrace(); |
| } |
| } |
| |
| public static void main(String[] args) |
| { |
| new Native2ASCII().run(args); |
| String encoding = System.getProperty("file.encoding"); //$NON-NLS-1$ |
| } |
| } |