public ClusteredMemoryStream(ClusteredArray <byte> buffer)
{
_buffer = new ClusteredArray <byte>(buffer.LengthThreshold, buffer.Length);
ClusteredArray <byte> .Copy(buffer, 0, _buffer, 0, buffer.Length);
_length = _capacity = buffer.Length;
_expandable = true;
_writable = true;
_exposable = true;
_origin = 0; // Must be 0 for byte[]'s created by MemoryStream
_isOpen = true;
}
// PRIVATE Grows or shrinks the buffer to hold capacity objects. Capacity
// must be >= _size.
private void SetCapacity(int capacity)
{
ClusteredArray <T> newarray = new ClusteredArray <T>(capacity);
if (_size > 0)
{
if (_head < _tail)
{
ClusteredArray <T> .Copy(_array, _head, newarray, 0, _size);
}
else
{
ClusteredArray <T> .Copy(_array, _head, newarray, 0, _array.Length - _head);
ClusteredArray <T> .Copy(_array, 0, newarray, _array.Length - _head, _tail);
}
}
_array = newarray;
_head = 0;
_tail = (_size == capacity) ? 0 : _size;
_version++;
}