private static byte[] process_blob_parts(IReadOnlyCollection <BlobPart> blobParts, BlobPropertyBag options)
{/* Docs: https://w3c.github.io/FileAPI/#process-blob-parts */
using (MemoryStream Stream = new MemoryStream())
{
foreach (var element in blobParts)
{
if (element.data is string)
{
string s = element.data;
if (options.endings == EBlobEnding.Native)
{
string CorrectEnding = FilterCRLF.CRLF;
if (!Environment.NewLine.Equals(FilterCRLF.CRLF, StringComparison.Ordinal))
{
CorrectEnding = FilterCRLF.LF;
}
string native_line_ending = StringCommon.Replace(s, false, false,
(UnicodeCommon.CHAR_CARRIAGE_RETURN, CorrectEnding),
(UnicodeCommon.CHAR_LINE_FEED, CorrectEnding));
var encodedBytes = System.Text.Encoding.UTF8.GetBytes(native_line_ending);
Stream.Write(encodedBytes, (int)Stream.Position, encodedBytes.Length);
}
}
else if (element.data is ReadOnlyMemory <byte> bytes)
{
Stream.Write(bytes.ToArray(), (int)Stream.Position, bytes.Length);
}
else if (element.data is Blob blob)
{
Stream.Write(blob.data, (int)Stream.Position, (int)blob.size);
}
}
return(Stream.ToArray());
}
}
public Blob(IReadOnlyCollection <BlobPart> blobParts, BlobPropertyBag options = null)
{
data = process_blob_parts(blobParts, options);
size = (uint)data.Length;
type = StringCommon.Transform(options.type.AsMemory(), UnicodeCommon.To_ASCII_Lower_Alpha);
}