/// <summary>
/// Parses a bodypart entry from the body structure and advances the
/// read pointer.
/// </summary>
/// <param name="partNumber">The designated part specifier by which the body
/// part is refered to by the server.</param>
/// <param name="parenthesis">Set to true if the bodypart is enclosed
/// in parenthesis.</param>
/// <returns></returns>
private Bodypart ParseBodypart(string partNumber, bool parenthesis = true)
{
Bodypart part = new Bodypart(partNumber);
// Mandatory fields:
// "Type"² "Subtype"² ("Attribute" "Value")² "Id"² "Description"² "Encoding"² Size³
// ² String value, but can be NIL, ³ Integer value
part.Type = ContentTypeMap.fromString(reader.ReadWord());
part.Subtype = reader.ReadWord();
part.Parameters = reader.ReadList();
part.Id = reader.ReadWord();
part.Description = reader.ReadWord();
part.Encoding = ContentTransferEncodingMap.fromString(reader.ReadWord());
part.Size = reader.ReadInteger();
if (part.Type == ContentType.Text)
{
part.Lines = reader.ReadInteger();
}
if (part.Type == ContentType.Message && part.Subtype.ToUpper() == "RFC822")
{
ParseMessage822Fields(part);
}
try {
ParseOptionalFields(part, parenthesis);
} catch (EndOfStringException) {}
return(part);
}
/// <summary>
/// Glue method to create a bodypart from a MIMEPart instance.
/// </summary>
/// <param name="mimePart">The MIMEPart instance to create the
/// bodypart instance from.</param>
/// <returns>An initialized instance of the Bodypart class.</returns>
private static Bodypart BodypartFromMIME(MIMEPart mimePart)
{
NameValueCollection contentType = ParseMIMEField(
mimePart.header["Content-Type"]);
Bodypart p = new Bodypart(null);
Match m = Regex.Match(contentType["value"], "(.+)/(.+)");
if (m.Success)
{
p.Type = ContentTypeMap.fromString(m.Groups[1].Value);
p.Subtype = m.Groups[2].Value;
}
p.Encoding = ContentTransferEncodingMap.fromString(
mimePart.header["Content-Transfer-Encoding"]);
p.Id = mimePart.header["Content-Id"];
foreach (string k in contentType.AllKeys)
{
p.Parameters.Add(k, contentType[k]);
}
p.Size = mimePart.body.Length;
if (mimePart.header["Content-Disposition"] != null)
{
NameValueCollection disposition = ParseMIMEField(
mimePart.header["Content-Disposition"]);
p.Disposition.Type = ContentDispositionTypeMap.fromString(
disposition["value"]);
p.Disposition.Filename = disposition["Filename"];
foreach (string k in disposition.AllKeys)
{
p.Disposition.Attributes.Add(k, disposition[k]);
}
}
return(p);
}
