public byte[] Decompress(BrutePackBlock block)
{
var memStream = new MemoryStream(block.BlockData);
var reader = new BinaryReader(memStream);
var decompressProg = reader.ReadString();
var split = decompressProg.Split(new[] { ' ' }, 2);
var processStart = new ProcessStartInfo(split[0], split.Length > 1 ? split[1] : "")
{
RedirectStandardInput = true,
RedirectStandardOutput = true,
UseShellExecute = false
};
var cproc = Process.Start(processStart);
if (cproc == null)
{
throw new InvalidProgramException();
}
var writeTask = cproc.StandardInput.BaseStream.WriteAsync(block.BlockData, (int)memStream.Position, block.BlockData.Length - (int)memStream.Position);
writeTask.ContinueWith(_ => cproc.StandardInput.BaseStream.Close());
var memOutput = new MemoryStream();
var readTask = cproc.StandardOutput.BaseStream.CopyToAsync(memOutput);
writeTask.Wait();
readTask.Wait();
return(memOutput.ToArray());
}
public byte[] Decompress(BrutePackBlock block)
{
var input = new MemoryStream(block.BlockData, 0, block.BlockData.Length);
var output = new MemoryStream();
GZipDecompressor.Decompress(input, output);
return(output.ToArray());
}
private static BrutePackBlock MakeTestBlock(int sizeMultiplier = 1)
{
var block = new BrutePackBlock(BlockType.Uncompressed, new byte[TestBlockSize * sizeMultiplier]);
for (int i = 0; i < TestBlockSize * sizeMultiplier; i++)
{
block.BlockData[i] = (byte)(i * 5);
}
return(block);
}
public static byte[] Decompress(BrutePackBlock block)
{
IDecompressionProvider decomp;
if (!typeToProvider.TryGetValue(block.BlockType, out decomp))
{
throw new ApplicationException("Unknown block type: " + block.BlockType);
}
return(decomp.Decompress(block));
}
public byte[] Decompress(BrutePackBlock block)
{
return(ArithmeticCoder.DecodeBlockStream(new MemoryStream(block.BlockData)));
}
public byte[] Decompress(BrutePackBlock block)
{
return(block.BlockData);
}
