private static int Decompress(DecompressConfiguration configuration)
{
if (!File.Exists(configuration.Input))
{
Console.WriteLine("Входной файл не существует");
return(1);
}
var decompressor = new Decompressor();
decompressor.Decompress(configuration.Input, configuration.Output, ChunkSize);
return(0);
}
/// <summary>
/// Choose necessary mode and start process
/// </summary>
private static void LaunchZip()
{
if (mode == CompressionMode.Compress)
{
using (var compressor = new Compressor())
{
compressor.Compress(pathFileOriginal, pathFileResult);
}
}
else
{
using (var decompressor = new Decompressor())
{
decompressor.Decompress(pathFileOriginal, pathFileResult);
}
}
}
static int Main(string[] args)
{
if (args.Length != 3)
{
Console.WriteLine("Invalid argument count.");
Console.WriteLine(Usage);
return(1);
}
var inputFilePath = args[1];
if (!File.Exists(inputFilePath))
{
Console.WriteLine("Input file does not exist.");
return(1);
}
var outFilePath = args[2];
try
{
Path.GetFileName(outFilePath);
}
catch
{
Console.WriteLine("Invalid output file name.");
return(1);
}
if (File.Exists(outFilePath))
{
Console.WriteLine("Output file already exists. Specify a new file name.");
return(1);
}
switch (args[0])
{
case "compress":
var compressor = new Compressor(inputFilePath, FilePartitioner.GetRecommendedChunkSize(inputFilePath), outFilePath);
try
{
compressor.Compress();
}
catch (Exception e)
{
Debug.WriteLine(e);
Console.WriteLine($"Unexpected error occured: {e.Message}.");
return(1);
}
break;
case "decompress":
var decompressor = new Decompressor(inputFilePath, outFilePath);
try
{
decompressor.Decompress();
}
catch (Exception e)
{
Debug.WriteLine(e);
Console.WriteLine($"Unexpected error occured: {e.Message}.");
return(1);
}
break;
default:
Console.WriteLine("Cannot parse arguments.");
Console.WriteLine(Usage);
return(1);
}
return(0);
}