/** A instance of this class has methods that perform LZW compression and
**  decompression.  It assumes that the source alphabet is comprised of the
**  128 ASCII chars.  (Hence, it can compress/decompress only text files.)
**
**  @author <Your name> and R. McCloskey
**  @version December 2006
*/

import java.io.*;
import java.util.HashMap;    // to represent dictionary in compress()
import java.util.ArrayList;  // to represent dictionary in decompress()

public class LZWForText {


   /**  <insert comments describing what this method does>
   */
   public void compress(InputStream input, OutputStream output)
      throws IOException
   {
      
      // for doing bit-oriented writing
      BitOutputStream bos = new BitOutputStream(output);

      /* initialize the dictionary to contain an entry for each
      ** length one string corresponding to an ASCII character
      */

      /* read the input data from 'input' and
      ** write its compressed form to 'bos'
      */
   }


   /**  <insert comments describing what this method does>
   */
   public void decompress(InputStream input, OutputStream output)
      throws IOException
   {
      
      // for doing bit-oriented reading (as opposed to byte-oriented)
      BitInputStream bis = new BitInputStream(input);

      // for doing character-oriented writing (as opposed to byte-oriented)
      PrintWriter pw = new PrintWriter(output);

      /* initialize the dictionary to contain an entry for each
      ** length one string corresponding to an ASCII character
      */

      /* read the input data from 'bis' and
      ** write its decompressed form to 'pw'
      */

   }

}