/// <summary>
/// Creates a new big-endian buffer whose content is a merged copy of the specified <see cref="Array" />.
/// The new buffer's <see cref="IByteBuffer.ReaderIndex" /> and <see cref="IByteBuffer.WriterIndex" />
/// are <c>0</c> and <see cref="IByteBuffer.Capacity" /> respectively.
/// </summary>
/// <param name="buffers">Buffers we're going to copy.</param>
/// <returns>The new buffer that copies the contents of buffers.</returns>
public static IByteBuffer CopiedBuffer(params IByteBuffer[] buffers)
{
switch (buffers.Length)
{
case 0:
return(Empty);
case 1:
return(CopiedBuffer(buffers[0]));
}
// Merge the specified buffers into one buffer.
int length = 0;
foreach (IByteBuffer b in buffers)
{
int bLen = b.ReadableBytes;
if ((uint)(bLen - 1) > SharedConstants.TooBigOrNegative) // bLen <= 0
{
continue;
}
if (int.MaxValue - length < bLen)
{
ThrowHelper.ThrowArgumentException_CopyBuffer();
}
length += bLen;
}
if (0u >= (uint)length)
{
return(Empty);
}
var mergedArray = new byte[length];
for (int i = 0, j = 0; i < buffers.Length; i++)
{
IByteBuffer b = buffers[i];
int bLen = b.ReadableBytes;
_ = b.GetBytes(b.ReaderIndex, mergedArray, j, bLen);
j += bLen;
}
return(WrappedBuffer(mergedArray));
}