private void ReadChunk()
{
long outSize;
byte[] lzmaProperties;
try
{
lzmaProperties = SevenZipExtractor.GetLzmaProperties(this._Input, out outSize);
}
catch (LzmaException ex)
{
this._Error = true;
return;
}
if (!this._FirstChunkRead)
{
this._CommonProperties = lzmaProperties;
}
if ((int)this._CommonProperties[0] != (int)lzmaProperties[0] || (int)this._CommonProperties[1] != (int)lzmaProperties[1] || ((int)this._CommonProperties[2] != (int)lzmaProperties[2] || (int)this._CommonProperties[3] != (int)lzmaProperties[3]) || (int)this._CommonProperties[4] != (int)lzmaProperties[4])
{
this._Error = true;
}
else
{
if (this._Buffer.Capacity < (int)outSize)
{
this._Buffer.Capacity = (int)outSize;
}
this._Buffer.SetLength(outSize);
this._Decoder.SetDecoderProperties(lzmaProperties);
this._Buffer.Position = 0L;
this._Decoder.Code(this._Input, (Stream)this._Buffer, 0L, outSize, (ICodeProgress)null);
this._Buffer.Position = 0L;
}
}
public static void DecompressStream(Stream inStream, Stream outStream, int?inLength, EventHandler <ProgressEventArgs> codeProgressEvent)
{
if (!inStream.CanRead || !outStream.CanWrite)
{
throw new ArgumentException("The specified streams are invalid.");
}
Decoder decoder = new Decoder();
long inSize = (inLength.HasValue ? (long)inLength.Value : inStream.Length) - inStream.Position;
long outSize;
decoder.SetDecoderProperties(SevenZipExtractor.GetLzmaProperties(inStream, out outSize));
decoder.Code(inStream, outStream, inSize, outSize, (ICodeProgress) new LzmaProgressCallback(inSize, codeProgressEvent));
}
public static byte[] ExtractBytes(byte[] data)
{
using (MemoryStream memoryStream1 = new MemoryStream(data))
{
Decoder decoder = new Decoder();
memoryStream1.Seek(0L, SeekOrigin.Begin);
using (MemoryStream memoryStream2 = new MemoryStream())
{
long outSize;
decoder.SetDecoderProperties(SevenZipExtractor.GetLzmaProperties((Stream)memoryStream1, out outSize));
decoder.Code((Stream)memoryStream1, (Stream)memoryStream2, memoryStream1.Length - memoryStream1.Position, outSize, (ICodeProgress)null);
return(memoryStream2.ToArray());
}
}
}
