Initial revision

From-SVN: r26263
1999-04-07 14:42:40 +00:00
parent 140fa895c6
commit ee9dd3721b
370 changed files with 173494 additions and 0 deletions
@@ -0,0 +1,151 @@
+/* Copyright (C) 1999  Cygnus Solutions
+
+   This file is part of libgcj.
+
+This software is copyrighted work licensed under the terms of the
+Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
+details.  */
+
+package gnu.gcj.convert;
+import java.io.*;
+
+public class Convert
+{
+  static void error (String message)
+  {
+    System.err.print("convert: ");
+    System.err.println(message);
+    System.err.println("Usage:  convert [--from srcEncoding] [--to dstEncoding]");
+    System.err.println("  [inputfile [outputfile]]");
+    System.exit(-1);
+  }
+
+  static void missing (String arg)
+  {
+    error("missing arg after `" + arg + "' option");
+  }
+
+  public static void main (String[] args)
+  {
+    String inName = "-";
+    String outName = "-";
+    String inEncodingName = null;
+    String outEncodingName = "JavaSrc";
+    int seenNames = 0;
+    boolean reverse = false;
+
+    for (int i = 0;  i < args.length;  i++)
+      {
+	String arg = args[i];
+	if (arg.length() == 0)
+	  error("zero-length argument");
+	if (arg.charAt(0) == '-')
+	  {
+	    if (arg.equals("-encoding") || arg.equals("--encoding")
+		|| args.equals("-from") || arg.equals("--from"))
+	      {
+		if (++i == args.length) missing(arg);
+		inEncodingName = args[i];
+	      }
+	    else if (arg.equals("-to") || arg.equals("--to"))
+	      {
+		if (++i == args.length) missing(arg);
+		outEncodingName = args[i];
+	      }
+	    else if (arg.equals("-i"))
+	      {
+		if (++i == args.length) missing(arg);
+		inName = args[i];
+	      }
+	    else if (arg.equals("-o"))
+	      {
+		if (++i == args.length) missing(arg);
+		outName = args[i];
+	      }
+	    else if (arg.equals("-reverse") || arg.equals("--reverse"))
+	      {
+		reverse = true;
+	      }
+	    else if (arg.equals("-"))
+	      {
+		switch (seenNames)
+		  {
+		  case 0:
+		    inName = "-";
+		    seenNames++;
+		    break;
+		  case 1:
+		    outName = "-";
+		    seenNames++;
+		    break;
+		  default:
+		    error("too many `-' arguments");
+		  }
+	      }
+	    else
+	      error("unrecognized argument `" + arg + "'");
+	  }
+	else
+	  {
+	    switch (seenNames)
+	      {
+	      case 0:
+		inName = arg;
+		seenNames++;
+		break;
+	      case 1:
+		outName = arg;
+		seenNames++;
+		break;
+	      default:
+		error("too many filename arguments");
+	      }
+	  }
+      }
+
+    if (reverse)
+      {
+	String tmp = inEncodingName;
+	inEncodingName = outEncodingName;
+	outEncodingName = tmp;
+      }
+
+    try
+      {
+	BytesToUnicode inDecoder
+	  = inEncodingName == null ? BytesToUnicode.getDefaultDecoder()
+	  : BytesToUnicode.getDecoder(inEncodingName);
+	UnicodeToBytes outEncoder
+	  = outEncodingName == null ? UnicodeToBytes.getDefaultEncoder()
+	  : UnicodeToBytes.getEncoder(outEncodingName);
+	InputStream inStream = inName == "-" ? System.in
+	  : new FileInputStream(inName);
+	OutputStream outStream;
+	if (outName == "-")
+	  outStream = System.out;
+	else
+	  outStream = new FileOutputStream(outName);
+	InputStreamReader in
+	  = new InputStreamReader(inStream, inEncodingName);
+	OutputStreamWriter out
+	  = new OutputStreamWriter(outStream, outEncodingName);
+	char[] buffer = new char[2048];
+	for (;;)
+	  {
+	    int count = in.read(buffer);
+	    if (count < 0)
+	      break;
+	    out.write(buffer, 0, count);
+	  }
+
+	in.close();
+	out.close();
+      }
+    catch (java.io.IOException ex)
+      {
+	System.err.print("convert exception: ");
+	System.err.println(ex);
+	System.exit(-1);
+      }
+  }
+}