public static void Main(string[] args)
{
if (args.Length < 3 || args.Length > 4)
{
throw new ArgumentException("Wrong arguments. Should be: c inputFilePath outputFilePath sequenceLength or \n d inputFilePath outputFilePath");
}
var inputFilePath = args[1];
var outputFilePath = args[2];
var operationType = args[0].ToLower();
if (operationType.Equals("c")) //compression
{
var sequenceLength = int.Parse(args[3]);
var textToCompress = FileHelper.GetTextFromFile(inputFilePath);
var compressor = new Compressor(sequenceLength, textToCompress);
compressor.Compress(outputFilePath);
Console.WriteLine($"File {inputFilePath} has been compressed into file {outputFilePath}.");
var compressionRate = HuffmanUtilities.CalculateCompressionRate(inputFilePath, outputFilePath);
Console.WriteLine($"Compression level is { compressionRate}");
}
else if (operationType.Equals("d")) //decompression
{
var decompressor = new Decompressor(inputFilePath);
decompressor.Decompress(outputFilePath);
Console.WriteLine($"File {inputFilePath} has been decompressed into file {outputFilePath}");
}
}
public static string Decompress(byte[] input)
{
var decompressor = new Decompressor();
var result = decompressor.Decompress(input);
return(result);
}