/// <summary>
/// Reads SMTP "Mailbox" from the specified MIME reader.
/// </summary>
/// <param name="reader">MIME reader.</param>
/// <returns>Returns SMTP "Mailbox" or null if no SMTP mailbox available.</returns>
/// <exception cref="ArgumentNullException">Is raised when <b>reader</b> is null reference.</exception>
internal static string SMTP_Mailbox(MIME_Reader reader)
{
if(reader == null){
throw new ArgumentNullException("reader");
}
// TODO:
/* RFC 5321.
Mailbox = Local-part "@" ( Domain / address-literal )
Local-part = Dot-string / Quoted-string ; MAY be case-sensitive
Dot-string = Atom *("." Atom)
*/
StringBuilder retVal = new StringBuilder();
if(reader.Peek(true) == '\"'){
retVal.Append("\"" + reader.QuotedString() + "\"");
}
else{
retVal.Append(reader.DotAtom());
}
if(reader.Peek(true) != '@'){
return null;
}
else{
// Eat "@".
reader.Char(true);
retVal.Append('@');
retVal.Append(reader.DotAtom());
}
return retVal.ToString();
}
