/// <summary>
/// Creates a new big-endian buffer whose content is a merged copy of of the specified arrays.
/// The new buffer's <see cref="IByteBuffer.ReaderIndex" /> and <see cref="IByteBuffer.WriterIndex" />
/// are <c>0</c> and <see cref="Array.Length" /> respectively.
/// </summary>
/// <param name="arrays"></param>
/// <returns></returns>
public static IByteBuffer CopiedBuffer(params byte[][] arrays)
{
switch (arrays.Length)
{
case 0:
return(Empty);
case 1:
return(0u >= (uint)arrays[0].Length ? Empty : CopiedBuffer(arrays[0]));
}
// Merge the specified arrays into one array.
int length = 0;
foreach (byte[] a in arrays)
{
if (int.MaxValue - length < a.Length)
{
ThrowHelper.ThrowArgumentException_CopyArray();
}
length += a.Length;
}
if (0u >= (uint)length)
{
return(Empty);
}
var mergedArray = new byte[length];
for (int i = 0, j = 0; i < arrays.Length; i++)
{
byte[] a = arrays[i];
PlatformDependent.CopyMemory(a, 0, mergedArray, j, a.Length);
j += a.Length;
}
return(WrappedBuffer(mergedArray));
}