public void Write()

in src/RecyclableMemoryStream.cs [1045:1083]

• 31 lines of code
• 3 McCabe index (conditional complexity)

        public void Write(ReadOnlySpan<byte> source)
#else
        public override void Write(ReadOnlySpan<byte> source)
#endif

        {
            this.CheckDisposed();

            int blockSize = this.memoryManager.BlockSize;
            long end = (long)this.position + source.Length;

            this.EnsureCapacity(end);

            if (this.largeBuffer == null)
            {
                var blockAndOffset = this.GetBlockAndRelativeOffset(this.position);

                while (source.Length > 0)
                {
                    byte[] currentBlock = this.blocks[blockAndOffset.Block];
                    int remainingInBlock = blockSize - blockAndOffset.Offset;
                    int amountToWriteInBlock = Math.Min(remainingInBlock, source.Length);

                    source.Slice(0, amountToWriteInBlock)
                        .CopyTo(currentBlock.AsSpan(blockAndOffset.Offset));

                    source = source.Slice(amountToWriteInBlock);

                    ++blockAndOffset.Block;
                    blockAndOffset.Offset = 0;
                }
            }
            else
            {
                source.CopyTo(this.largeBuffer.AsSpan((int)this.position));
            }
            this.position = end;
            this.length = Math.Max(this.position, this.length);
        }