static byte[] EncodeContentType(ParserOptions options, FormatOptions format, Encoding charset, string field, string value)
{
var contentType = ContentType.Parse(options, value);
var encoded = contentType.Encode(format, charset);
return(Encoding.UTF8.GetBytes(encoded));
}
private static MimePart GetMimePart(AttachmentBase item)
{
var mimeType = item.ContentType.ToString();
var contentType = ContentType.Parse(mimeType);
var attachment = item as Attachment;
var part = new MimePart(contentType);
//
if (attachment != null)
{
var disposition = attachment.ContentDisposition.ToString();
part.ContentDisposition = ContentDisposition.Parse(disposition);
}
// Adjust the transfer encoding
switch (item.TransferEncoding)
{
case TransferEncoding.QuotedPrintable:
part.ContentTransferEncoding = ContentEncoding.QuotedPrintable;
break;
case TransferEncoding.Base64:
part.ContentTransferEncoding = ContentEncoding.Base64;
break;
case TransferEncoding.SevenBit:
part.ContentTransferEncoding = ContentEncoding.SevenBit;
break;
case TransferEncoding.EightBit:
part.ContentTransferEncoding = ContentEncoding.EightBit;
break;
case TransferEncoding.Unknown:
break;
default:
throw new ArgumentOutOfRangeException();
}
// Adjust the attachment content identifier
if (item.ContentId != null)
{
part.ContentId = item.ContentId;
}
// Copy the content of the attachment
var stream = new MemoryBlockStream();
item.ContentStream.CopyTo(stream);
stream.Position = 0;
part.Content = new MimeContent(stream);
// Done
return(part);
}
/// <summary>
/// Initializes a new instance of the <see cref="MimeKit.MimePart"/> class
/// with the specified content type.
/// </summary>
/// <remarks>
/// Creates a new <see cref="MimePart"/> with the specified Content-Type value.
/// </remarks>
/// <param name="contentType">The content type.</param>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="contentType"/> is <c>null</c>.
/// </exception>
/// <exception cref="MimeKit.ParseException">
/// <paramref name="contentType"/> could not be parsed.
/// </exception>
public MimePart(string contentType) : base(ContentType.Parse(contentType))
{
}
static ContentType GetMimeType(string fileName)
{
var mimeType = MimeTypes.GetMimeType(fileName);
return(ContentType.Parse(mimeType));
}
