LZMA.Master.LZMA.SRes LZMA.Master.LZMA.ISeqInStream.Read(LZMA.P <byte> buf, ref long size)
{
System.Diagnostics.Debug.Assert(size > 0);
if (mCompleted)
{
size = 0;
return(LZMA.Master.LZMA.SZ_OK);
}
var capacity = size < Int32.MaxValue ? (int)size : Int32.MaxValue;
int fetched;
try { fetched = mStream.ReadAsync(buf.mBuffer, buf.mOffset, capacity, StreamMode.Partial).GetAwaiter().GetResult(); }
catch (OperationCanceledException)
{
size = 0;
return(LZMA.Master.LZMA.SZ_ERROR_FAIL);
}
if (fetched < 0 || fetched > capacity)
{
throw new InvalidOperationException("IInputStream.ReadAsync returned an invalid result.");
}
if (fetched == 0)
{
mCompleted = true;
}
size = fetched;
return(LZMA.Master.LZMA.SZ_OK);
}
long LZMA.Master.LZMA.ISeqOutStream.Write(LZMA.P <byte> buf, long size)
{
System.Diagnostics.Debug.Assert(size > 0);
var buffer = buf.mBuffer;
var offset = buf.mOffset;
var result = size;
while (size > Int32.MaxValue)
{
int written;
try { written = mStream.WriteAsync(buffer, offset, Int32.MaxValue, StreamMode.Partial).GetAwaiter().GetResult(); }
catch (OperationCanceledException) { return(0); }
if (written <= 0)
{
throw new InvalidOperationException("IOutputStream.WriteAsync returned an invalid result.");
}
offset += written;
size -= written;
}
if (size > 0)
{
int written;
try { written = mStream.WriteAsync(buffer, offset, (int)size, StreamMode.Complete).GetAwaiter().GetResult(); }
catch (OperationCanceledException) { return(0); }
if (written != size)
{
throw new InvalidOperationException("IOutputStream.WriteAsync returned an invalid result.");
}
}
return(result);
}