public byte[] AddFile(ulong streamId, Stream file, HashType type = HashType.None)
{
EnsureMaximumState(ArchiveState.PushingFiles);
if (_state == ArchiveState.Initial)
{
_outputFilter = DoOutputFiltering(_hashedStream);
_state = ArchiveState.PushingFiles;
}
byte[] ret = null;
_streamIds.Add(streamId);
_streamSizes.Add(file.Length);
Stream stream = file;
HashAlgorithm hash = null;
if (type != HashType.None)
{
hash = Hash.New(type);
stream = new HashCalculatorInputFilter(stream, hash);
}
stream.CopyTo(_outputFilter);
if (type != HashType.None)
{
stream.Dispose();
hash.FinishHashing();
ret = hash.Hash;
}
AnyFile = true;
return ret;
}
static void Main()
{
const string inputPath = "test.bin";
const string outputPath1 = "test.bin.xz";
const string outputPath2 = "test2.bin";
Console.WriteLine("Compressing...");
{
var inputFile = new FileStream(inputPath, FileMode.Open, FileAccess.Read, FileShare.Read);
var report = new InputProgressReport(100);
var sha2 = SHA256.Create();
var calculator = new HashCalculatorInputFilter(inputFile, sha2, false);
using (var filter = new ProgressInputFilter(calculator, report.ProgressCallback, inputFile.Length, false))
{
var outputFile = new FileStream(outputPath1, FileMode.Create, FileAccess.Write, FileShare.None);
using (var lzma = new LzmaOutputFilter(outputFile, false))
filter.CopyTo(lzma);
}
sha2.FinishHashing();
Console.WriteLine("\n" + sha2.Hash.ToHexString());
}
Console.WriteLine("Decompressing...");
{
var inputFile = new FileStream(outputPath1, FileMode.Open, FileAccess.Read, FileShare.Read);
var report = new OutputProgressReport(100);
var sha2 = SHA256.Create();
var progressInputFilter = new ProgressInputFilter(inputFile, report.InputProgressCallback,
inputFile.Length, false);
using (var lzma = new LzmaInputFilter(progressInputFilter, false))
{
var outputFile = new FileStream(outputPath2, FileMode.Create, FileAccess.Write, FileShare.None);
var calculator = new HashCalculatorOutputFilter(outputFile, sha2, false);
using (var progressOutputFilter = new ProgressOutputFilter(calculator, report.OutputProgressCallback, 0, false))
lzma.CopyTo(progressOutputFilter);
}
sha2.FinishHashing();
Console.WriteLine("\n" + sha2.Hash.ToHexString());
}
}
