public T ReadCompressSharpLZ4(string file)
{
int sz = 0;
using (FileStream fs = new FileStream(file, FileMode.Open))
{
using (BinaryReader binaryReader = new BinaryReader(fs))
{
int length = binaryReader.ReadInt32(); //read the length first
//if (length < 0) { length = 0; }
byte[] bytesUncompressed = new byte[length]; //you can convert this back to the object using a MemoryStream ;)
using (var stream = new LZ4.LZ4Stream(fs, LZ4.LZ4StreamMode.Decompress, true, length))
{
try
{
while ((sz = stream.Read(bytesUncompressed, 0, bytesUncompressed.Length)) > 0)
{
// ...
}
}
catch (System.IO.EndOfStreamException ex) { }
catch (System.NotSupportedException ex) { }
var serializer = new DataContractSerializer(typeof(T));
using (var ms = new MemoryStream(bytesUncompressed))
{
//if (length == 0) { return default(T); }
return((T)serializer.ReadObject(ms));
}
}
}
}
}
public static void Decode(string encoded, string decoded, int chunk)
{
using (var source = new RefStream(File.OpenRead(encoded), RefStreamMode.Decompress))
using (var target = File.Create(decoded))
{
var buffer = new byte[chunk];
while (true)
{
var read = source.Read(buffer, 0, buffer.Length);
if (read == 0)
{
break;
}
target.Write(buffer, 0, read);
}
}
}