private string FinishWriteUtf16String(ResizableMemory <byte> data)
{
try
{
var span = data.AsSpan();
if (Encodings.Utf8.ToUtf16Length(span, out int bytes) != OperationStatus.Done)
{
throw new SerializationException("Failed to convert to UTF16");
}
var result = new String(' ', bytes / 2);
unsafe
{
fixed(char *pResult = result)
{
var resultBytes = new Span <byte>((void *)pResult, bytes);
if (Encodings.Utf8.ToUtf16(span, resultBytes, out _, out _) != OperationStatus.Done)
{
throw new SerializationException("Failed to convert to UTF16");
}
}
}
return(result);
}
finally
{
_pool.Return(data.Array);
}
}
private ReadOnlyMemory <byte> FinishWriteUtf16Bytes(ResizableMemory <byte> data)
{
try
{
var span = data.AsSpan();
if (Encodings.Utf8.ToUtf16Length(span, out int bytes) != OperationStatus.Done)
{
throw new SerializationException("Failed to convert to UTF16");
}
var utf16 = new byte[bytes];
if (Encodings.Utf8.ToUtf16(span, MemoryMarshal.AsBytes(utf16.AsSpan()), out _, out _) != OperationStatus.Done)
{
throw new SerializationException("Failed to convert to UTF16");
}
return(utf16.AsMemory());
}
finally
{
_pool.Return(data.Array);
}
}