protected override bool Skip(long bytesToSkip, out long bytesSkipped, CefResourceSkipCallback callback)
{
if (!_stream.CanSeek)
{
bytesSkipped = -2;
return(false);
}
bytesSkipped = _stream.Seek(bytesToSkip, SeekOrigin.Begin);
return(true);
}
protected override bool Skip(long bytesToSkip, out long bytesSkipped, CefResourceSkipCallback callback)
{
//No Stream or Stream cannot seek then we indicate failure
if (Stream is null || !Stream.CanSeek)
{
//Indicate failure
bytesSkipped = -2;
return(false);
}
bytesSkipped = bytesToSkip;
Stream.Seek(bytesToSkip, SeekOrigin.Current);
//If data is available immediately set bytesSkipped to the number of of bytes skipped and return true.
return(true);
}
protected override bool Skip(long bytesToSkip, out long bytesSkipped, CefResourceSkipCallback callback)
{
bytesSkipped = (long)CefErrorCode.Failed;
return(false);
}
protected internal sealed override bool Skip(long bytesToSkip, ref long bytesSkipped, CefResourceSkipCallback callback)
{
if (bytesToSkip < 0)
{
bytesSkipped = (long)CefErrorCode.Failed;
return(false);
}
bytesSkipped = Math.Min(_data.Length - _offset, bytesToSkip);
if (bytesSkipped == 0)
{
return(false);
}
_offset += (int)bytesSkipped;
return(true);
}
protected override bool Skip(long bytesToSkip, out long bytesSkipped, CefResourceSkipCallback callback)
{
bytesSkipped = 0;
return(true);
}
public override bool Skip(long bytesToSkip, ref long bytesSkipped, CefResourceSkipCallback callback)
{
return(_implementation.Skip(bytesToSkip, ref bytesSkipped, callback));
}
protected override bool Skip(long bytesToSkip, out long bytesSkipped, CefResourceSkipCallback callback)
{
throw new NotImplementedException();
}
protected internal unsafe override bool Skip(long bytesToSkip, ref long bytesSkipped, CefResourceSkipCallback callback)
{
return(_implementation.Skip(bytesToSkip, ref bytesSkipped, callback));
}
protected internal sealed override bool Skip(long bytesToSkip, ref long bytesSkipped, CefResourceSkipCallback callback)
{
if (bytesToSkip < 0)
{
bytesSkipped = (long)CefErrorCode.Failed;
return(false);
}
if (_stream.CanSeek)
{
long currentPos = _stream.Position;
bytesSkipped = _stream.Seek(bytesToSkip, SeekOrigin.Current) - currentPos;
return(bytesSkipped > 0);
}
var buffer = new byte[BufferSize];
SkipBytesInternal(Task.FromResult(buffer.Length), new SkipState {
Buffer = new byte[buffer.Length],
BytesToSkip = bytesToSkip,
BytesSkipped = -buffer.Length,
Callback = callback,
});
bytesSkipped = 0;
return(true);
}