public static void encode(string filename)
{
var fileContent = FileWrapper.open(filename);
var encoder = new LZWEncoder();
var lzwEncoded = encoder.Encode(fileContent);
var deltaEncoded = Delta.encode(lzwEncoded);
FileWrapper.writeInBytes(deltaEncoded, getEncodedFilename(filename));
}
public static void decode(string filename)
{
var fileContent = FileWrapper.openInBytes(filename);
var deltaDecoded = Delta.decode(fileContent);
var decoder = new LZWDecoder();
var lzwDecoded = decoder.Decode(deltaDecoded);
FileWrapper.write(lzwDecoded, getDecodedFilename(filename));
}