|
public GetBestEncoding ( EncodingConstraint constraint, |
||
| constraint | EncodingConstraint | The encoding constraint. |
| cancellationToken | A cancellation token. | |
| return | ContentEncoding | |
public ContentEncoding GetBestEncoding (EncodingConstraint constraint, CancellationToken cancellationToken = default (CancellationToken))
{
return GetBestEncoding (constraint, 78, cancellationToken);
}
|
MimePart::GetBestEncoding ( EncodingConstraint constraint, int maxLineLength, |
ContentEncoding GetFinalEncoding(MimePart part)
{
if ((capabilities & SmtpCapabilities.BinaryMime) != 0) {
// no need to re-encode...
return part.ContentTransferEncoding;
}
if ((capabilities & SmtpCapabilities.EightBitMime) != 0) {
switch (part.ContentTransferEncoding) {
case ContentEncoding.Default:
case ContentEncoding.Binary:
break;
default:
// all other Content-Transfer-Encodings are safe to transmit...
return part.ContentTransferEncoding;
}
}
switch (part.ContentTransferEncoding) {
case ContentEncoding.EightBit:
case ContentEncoding.Default:
case ContentEncoding.Binary:
break;
default:
// all other Content-Transfer-Encodings are safe to transmit...
return part.ContentTransferEncoding;
}
ContentEncoding encoding;
if ((capabilities & SmtpCapabilities.BinaryMime) != 0)
encoding = part.GetBestEncoding (EncodingConstraint.None);
else if ((capabilities & SmtpCapabilities.EightBitMime) != 0)
encoding = part.GetBestEncoding (EncodingConstraint.EightBit);
else
encoding = part.GetBestEncoding (EncodingConstraint.SevenBit);
if (encoding == ContentEncoding.SevenBit)
return encoding;
part.ContentTransferEncoding = encoding;
return encoding;
}
