public virtual GrowableWriter Resize(int newSize)
{
GrowableWriter next = new GrowableWriter(BitsPerValue, newSize, acceptableOverheadRatio);
int limit = Math.Min(Count, newSize);
PackedInt32s.Copy(current, 0, next, 0, limit, PackedInt32s.DEFAULT_BUFFER_SIZE);
return(next);
}
private void EnsureCapacity(long value)
{
if ((value & currentMask) == value)
{
return;
}
int bitsRequired = value < 0 ? 64 : PackedInt32s.BitsRequired(value);
Debug.Assert(bitsRequired > current.BitsPerValue);
int valueCount = Count;
PackedInt32s.Mutable next = PackedInt32s.GetMutable(valueCount, bitsRequired, acceptableOverheadRatio);
PackedInt32s.Copy(current, 0, next, 0, valueCount, PackedInt32s.DEFAULT_BUFFER_SIZE);
current = next;
currentMask = Mask(current.BitsPerValue);
}
/// <summary>
/// Create a new copy of size <paramref name="newSize"/> based on the content of
/// this buffer. This method is much more efficient than creating a new
/// instance and copying values one by one.
/// </summary>
public T Resize(long newSize)
{
T copy = NewUnfilledCopy(newSize);
int numCommonPages = Math.Min(copy.subMutables.Length, subMutables.Length);
long[] copyBuffer = new long[1024];
for (int i = 0; i < copy.subMutables.Length; ++i)
{
int valueCount = i == copy.subMutables.Length - 1 ? LastPageSize(newSize) : PageSize;
int bpv = i < numCommonPages ? subMutables[i].BitsPerValue : this.bitsPerValue;
copy.subMutables[i] = NewMutable(valueCount, bpv);
if (i < numCommonPages)
{
int copyLength = Math.Min(valueCount, subMutables[i].Count);
PackedInt32s.Copy(subMutables[i], 0, copy.subMutables[i], 0, copyLength, copyBuffer);
}
}
return copy;
}
