/// <summary>
/// Initializes a new instance of the Bodypart class with default
/// values.
/// </summary>
/// <param name="partNumber">The part number as is expected by the
/// IMAP FETCH command.</param>
internal Bodypart(string partNumber) {
// Initialize all fields with default values.
PartNumber = partNumber;
Type = ContentType.Other;
Subtype = Id = Description = Md5 = Language = Location = "";
Parameters = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
Disposition = new ContentDisposition();
Encoding = ContentTransferEncoding.Unknown;
Size = Lines = 0;
}
/// <summary>
/// Reads a disposition from the underlying string. A disposition in
/// this context is a list of attribute/value literals (enclosed in
/// double-quotes) preceded by a word enclosed in parenthesis.
/// </summary>
/// <returns>An initialized ContentDisposition instance representing
/// the parsed disposition.</returns>
/// <exception cref="EndOfStringException">Thrown when reading is
/// attempted past the end of the underlying string.</exception>
public ContentDisposition ReadDisposition() {
ContentDisposition Disp = new ContentDisposition();
char c;
char[] last = new char[3];
while ((c = (char)Read()) != '(') {
last[0] = last[1];
last[1] = last[2];
last[2] = c;
if ((new string(last)) == "NIL")
return Disp;
}
string type = ReadWord();
Disp.Type = ContentDispositionTypeMap.fromString(type);
Disp.Attributes = ReadList();
ReadUntil(')');
if (Disp.Attributes.ContainsKey("Filename"))
Disp.Filename = Disp.Attributes["Filename"];
return Disp;
}
