public ReadOnlyByteBuffer(IByteBuffer buffer)
: base(buffer is object?buffer.MaxCapacity: AbstractByteBufferAllocator.DefaultMaxCapacity)
{
if (buffer is null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.buffer);
}
switch (buffer)
{
case ReadOnlyByteBuffer _:
case UnpooledDuplicatedByteBuffer _:
_buffer = buffer.Unwrap();
break;
default:
_buffer = buffer;
break;
}
_ = SetIndex(buffer.ReaderIndex, buffer.WriterIndex);
}
internal static void SetBytes(AbstractByteBuffer buf, byte *addr, int index, IByteBuffer src, int srcIndex, int length)
{
Contract.Requires(src != null);
if (MathUtil.IsOutOfBounds(srcIndex, length, src.Capacity))
{
ThrowHelper.ThrowIndexOutOfRangeException_SrcIndex(srcIndex);
}
if (length != 0)
{
if (src.HasMemoryAddress)
{
IntPtr ptr = src.AddressOfPinnedMemory();
if (ptr != IntPtr.Zero)
{
PlatformDependent.CopyMemory((byte *)(ptr + srcIndex), addr, length);
}
else
{
fixed(byte *source = &src.GetPinnableMemoryAddress())
{
PlatformDependent.CopyMemory(source + srcIndex, addr, length);
}
}
}
else if (src.HasArray)
{
PlatformDependent.CopyMemory(src.Array, src.ArrayOffset + srcIndex, addr, length);
}
else
{
src.GetBytes(srcIndex, buf, index, length);
}
}
}
public override IByteBuffer SetBytes(int index, IByteBuffer src, int srcIndex, int length)
{
throw ThrowHelper.GetReadOnlyBufferException();
}
public override IByteBuffer SetBytes(int index, byte[] src)
{
throw ThrowHelper.GetReadOnlyBufferException();
}
public override IByteBuffer DiscardSomeReadBytes() => throw ThrowHelper.GetReadOnlyBufferException();
public override IByteBuffer EnsureWritable(int minWritableBytes) => throw ThrowHelper.GetReadOnlyBufferException();
public override IByteBuffer AdjustCapacity(int newCapacity) => throw ThrowHelper.GetReadOnlyBufferException();
public override IByteBuffer SetZero(int index, int length)
{
throw ThrowHelper.GetReadOnlyBufferException();
}
public override int SetString(int index, string value, Encoding encoding)
{
throw ThrowHelper.GetReadOnlyBufferException();
}
public override int SetCharSequence(int index, ICharSequence sequence, Encoding encoding)
{
throw ThrowHelper.GetReadOnlyBufferException();
}
public override IByteBuffer SetBoolean(int index, bool value)
{
throw ThrowHelper.GetReadOnlyBufferException();
}
protected internal override void _SetShortLE(int index, int value)
{
throw ThrowHelper.GetReadOnlyBufferException();
}
public override IByteBuffer SetShortLE(int index, int value)
{
throw ThrowHelper.GetReadOnlyBufferException();
}
public override IByteBuffer SetLongLE(int index, long value)
{
throw ThrowHelper.GetReadOnlyBufferException();
}
protected internal override void _SetLong(int index, long value)
{
throw ThrowHelper.GetReadOnlyBufferException();
}
public override Task <int> SetBytesAsync(int index, Stream src, int length, CancellationToken cancellationToken)
{
throw ThrowHelper.GetReadOnlyBufferException();
}
