// TODO: option to use byte array as a segment itself (add either a dispose callback or wrapper type)
// TODO: overloads for ArraySegment, other memory types?
public Data(Message msg, byte[] data)
{
_bytes = new FlatArray <byte>(msg, data.Length, out _);
Unsafe.CopyBlockUnaligned(
ref Unsafe.As <ulong, byte>(ref _bytes.Pointer.Data),
ref data[0],
(uint)data.Length);
}
public static bool Is(this FlatArray <byte> flatArray, out ArraySegment <byte> arraySegment)
{
if (flatArray.Segment.Is(out arraySegment))
{
arraySegment = new ArraySegment <byte>(
arraySegment.Array,
arraySegment.Offset + flatArray.Pointer.DataOffset * sizeof(ulong),
flatArray.Count);
return(true);
}
return(false);
}
public Text(Message msg, string str)
{
var byteCount = Encoding.UTF8.GetByteCount(str) + 1;
_bytes = new FlatArray <byte>(msg, byteCount, out AllocationContext allocContext);
var absPointer = _bytes.Pointer;
var segment = absPointer.Segment;
if (segment.Is(out ArraySegment <byte> arrSeg))
{
var writeOffset = arrSeg.Offset + absPointer.DataOffset * sizeof(ulong);
Encoding.UTF8.GetBytes(str, 0, str.Length, arrSeg.Array, writeOffset);
arrSeg.Array[writeOffset + byteCount - 1] = 0; // null terminator
}
#if UNSAFE
else if (segment.IsFixedMemory)
{
unsafe
{
fixed(char *chars = str)
{
var ptr = (byte *)Unsafe.AsPointer(ref absPointer.Data);
Encoding.UTF8.GetBytes(chars, str.Length, ptr, byteCount - 1);
ptr[byteCount - 1] = 0;
}
}
}
#endif
else
{
// TODO: ask for pin
throw new NotImplementedException();
}
}
public Text(Segment segment, int baseWordOffset, ListPointer listPointer)
{
TypeHelpers.AssertSize <byte>(listPointer.ElementSize);
_bytes = new FlatArray <byte>(new AbsPointer(segment, baseWordOffset, listPointer));
}
public Text(Message msg, int bytesWithNulTerminator, out AllocationContext allocContext)
{
_bytes = new FlatArray <byte>(msg, bytesWithNulTerminator, out allocContext);
}
public Data(Message msg, Stream stream)
{
_bytes = new FlatArray <byte>(msg, (int)stream.Length, out _);
stream.CopyTo(this.GetStream());
}
public Data(Message msg, int length, out AllocationContext allocContext)
{
_bytes = new FlatArray <byte>(msg, length, out allocContext);
}
public Data(AbsPointer pointer)
{
_bytes = new FlatArray <byte>(pointer);
}
