void StreamCompressedContent(IO.EndianStream s)
{
if (s.IsReading)
{
using (var cs = new CompressedStream(true))
{
Stream(s, EnumFlags.Test(Flags, FileFlags.EncryptContent), cs,
userKey: Header.DataCryptKey, streamLeftovers: StreamLeftovers);
cs.Decompress();
Content = cs.UncompressedData;
}
}
else if (s.IsWriting)
{
using (var cs = new CompressedStream(true))
using (var ms = new System.IO.MemoryStream(kMaxContentSize))
using (var sout = new IO.EndianWriter(ms, s.ByteOrder))
{
sout.Write(Content);
sout.Seek(0);
cs.InitializeFromStream(ms);
cs.Compress();
Stream(s, EnumFlags.Test(Flags, FileFlags.EncryptContent), cs,
userKey: Header.DataCryptKey, streamLeftovers: StreamLeftovers);
}
}
}
public void Read(IO.EndianReader s)
{
s.Owner = this;
Flags = s.Read(FileFlagsStreamer.Instance);
Version = s.ReadUInt16();
if (Version != kVersion)
{
throw new IO.VersionMismatchException(s.BaseStream,
kVersion, Version);
}
Read(s, EnumFlags.Test(Flags, FileFlags.EncryptHeader), Header, MediaHeader.kSizeOf);
GenerateHash();
if (EnumFlags.Test(Flags, FileFlags.CompressContent))
{
using (var cs = new CompressedStream(true))
{
Read(s, EnumFlags.Test(Flags, FileFlags.EncryptContent), cs,
userKey: Header.DataCryptKey, readLeftovers: ReadLeftovers);
cs.Decompress();
Content = cs.UncompressedData;
}
}
else
{
Content = s.ReadBytes((int)(s.BaseStream.Length - s.BaseStream.Position));
}
}
public static byte[] DecompressFromStream(IO.EndianStream blockStream)
{
Contract.Requires <ArgumentNullException>(blockStream != null);
Contract.Ensures(Contract.Result <byte[]>() != null);
byte[] buffer;
using (var cs = new CompressedStream())
{
cs.Serialize(blockStream);
cs.Decompress();
buffer = cs.UncompressedData;
}
return(buffer);
}