package edu.cmu.cs211.compression.lzw;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import edu.cmu.cs211.compression.Compressor;
import edu.cmu.cs211.compression.io.BitReader;
import edu.cmu.cs211.compression.io.BitWriter;

/**
 * A compressor implementing LZW compression
 */
public class LempelZivCompressor extends Compressor {
	
	/** The number of bits in each LZW code */
	private static final int BIT_WIDTH = 16;
	/** The maximum number of codes */
	private static final int MAX_SIZE = (1 << 16) - 1;

	// @see Compressor#compress(io.BitReader, io.BitWriter)
	@Override
    public void compress (BitReader in, BitWriter out) throws IOException
	{
		throw new RuntimeException ("You need to implement this method");
		// don't forget to flush	
		
	}
	
	// @see Compressor#expand(io.BitReader, io.BitWriter)
	@Override
    public void expand (BitReader in, BitWriter out) throws IOException
	{
		throw new RuntimeException ("You need to implement this method");
		// don't forget to flush!
	}
}