internal EncodingOptions GetDocumentEncodingOptions()
{
MimeDocument mimeDocument;
MimeNode mimeNode;
this.GetMimeDocumentOrTreeRoot(out mimeDocument, out mimeNode);
if (mimeDocument != null)
{
return(mimeDocument.EncodingOptions);
}
MimePart mimePart = mimeNode as MimePart;
return(new EncodingOptions((mimePart == null) ? null : mimePart.FindMimeTreeCharset()));
}
internal Charset GetDefaultHeaderDecodingCharset(MimeDocument document, MimeNode treeRoot)
{
if (treeRoot == null)
{
this.GetMimeDocumentOrTreeRoot(out document, out treeRoot);
}
Charset charset;
if (document != null)
{
charset = document.EffectiveHeaderDecodingOptions.Charset;
}
else
{
MimePart mimePart = treeRoot as MimePart;
charset = ((mimePart == null) ? null : mimePart.FindMimeTreeCharset());
}
if (charset == null)
{
charset = DecodingOptions.DefaultCharset;
}
return(charset);
}
