internal BufferWriter(SequencePool sequencePool, byte[] array)
{
buffered = 0;
bytesCommitted = 0;
this.sequencePool = sequencePool;
rental = default;
output = null;
segment = new ArraySegment <byte>(array);
innerSpan = segment.AsSpan();
}
private void MigrateToSequence()
{
if (this.sequencePool == null)
{
return;
}
// We were writing to our private scratch memory, so we have to copy it into the actual writer.
rental = sequencePool.Rent();
output = rental.Value;
var realSpan = output.GetSpan(buffered);
segment.AsSpan(0, buffered).CopyTo(realSpan);
sequencePool = null;
}
public BufferWriter(IBufferWriter <byte> output)
{
buffered = 0;
bytesCommitted = 0;
this.output = output;
sequencePool = default;
rental = default;
var memory1 = this.output.GetMemory();
if (memory1.IsEmpty)
{
throw new InvalidOperationException("The underlying IBufferWriter<byte>.GetMemory(int) method returned an empty memory block, which is not allowed. This is a bug in " + this.output.GetType().FullName);
}
var memory = memory1;
MemoryMarshal.TryGetArray(memory, out segment);
innerSpan = memory.Span;
}