old-autovect-branch/libjava/gnu/gcj/convert/Output_ASCII.java

   1 /* Copyright (C) 2000  Free Software Foundation
   2
   3    This file is part of libgcj.
   4
   5 This software is copyrighted work licensed under the terms of the
   6 Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
   7 details.  */
   8
   9 package gnu.gcj.convert;
  10
  11 /**
  12  * Convert Unicode ASCII
  13  * Unrecognized characters are printed as `?'.
  14  * @date October 2000
  15  */
  16
  17 public class Output_ASCII extends UnicodeToBytes
  18 {
  19   public String getName() { return "ASCII"; }
  20
  21   /**
  22    * @return number of chars converted. */
  23   public int write (char[] inbuffer, int inpos, int inlength)
  24   {
  25     int count = this.count;
  26     byte[] buf = this.buf;
  27     int avail = buf.length - count;
  28     if (inlength > avail)
  29       inlength = avail;
  30     for (int i = inlength;  --i >= 0;  )
  31       {
  32         char c = inbuffer[inpos++];
  33         buf[count++] = (byte) ((c > 0x7f) ? '?' : c);
  34       }
  35     this.count = count;
  36     return inlength;
  37   }
  38
  39   public int write (String str, int inpos, int inlength, char[] work)
  40   {
  41     int count = this.count;
  42     byte[] buf = this.buf;
  43     int avail = buf.length - count;
  44     if (inlength > avail)
  45       inlength = avail;
  46     for (int i = inlength;  --i >= 0;  )
  47       {
  48         char c = str.charAt(inpos++);
  49         buf[count++] = (byte) ((c > 0x7f) ? '?' : c);
  50       }
  51     this.count = count;
  52     return inlength;
  53   }
  54 }