private static void CheckIndexBounds(int readerIndex, int writerIndex)
{
if (readerIndex < 0 || readerIndex > writerIndex)
{
ThrowHelper.ThrowIndexOutOfRangeException_ReaderIndex(readerIndex, writerIndex);
}
}
private static void CheckMinReadableBounds(int minimumReadableBytes, int readerIndex, int writerIndex, AbstractByteBuffer buf)
{
if (CheckBounds && (readerIndex > writerIndex - minimumReadableBytes))
{
ThrowHelper.ThrowIndexOutOfRangeException_ReaderIndex(minimumReadableBytes, readerIndex, writerIndex, buf);
}
}
void CheckReadableBytes0(int minimumReadableBytes)
{
this.EnsureAccessible();
if (this.readerIndex > this.writerIndex - minimumReadableBytes)
{
ThrowHelper.ThrowIndexOutOfRangeException_ReaderIndex(minimumReadableBytes, this.readerIndex, this.writerIndex, this);
}
}
public virtual IByteBuffer SetReaderIndex(int index)
{
if (index < 0 || index > this.writerIndex)
{
ThrowHelper.ThrowIndexOutOfRangeException_ReaderIndex(index, this.WriterIndex);
}
this.readerIndex = index;
return(this);
}
public virtual void AdvanceReader(int count)
{
if (count < 0)
{
ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.count);
}
if (0u >= (uint)count)
{
return;
}
var readerIdx = _readerIndex + count;
var writerIdx = _writerIndex;
if (CheckBounds && readerIdx > writerIdx)
{
ThrowHelper.ThrowIndexOutOfRangeException_ReaderIndex(readerIdx, writerIdx);
}
_readerIndex = readerIdx;
}