MailKit.Net.Imap.ImapCommand.ImapCommand C# (CSharp) Method

		public ImapCommand (ImapEngine engine, CancellationToken cancellationToken, ImapFolder folder, FormatOptions options, string format, params object[] args)
		{
			UntaggedHandlers = new Dictionary<string, ImapUntaggedHandler> ();
			RespCodes = new List<ImapResponseCode> ();
			CancellationToken = cancellationToken;
			Response = ImapCommandResponse.None;
			Status = ImapCommandStatus.Created;
			Engine = engine;
			Folder = folder;

			using (var builder = new MemoryStream ()) {
				int argc = 0;
				byte[] buf;
				string str;
				char c;

				for (int i = 0; i < format.Length; i++) {
					if (format[i] == '%') {
						switch (format[++i]) {
						case '%': // a literal %
							builder.WriteByte ((byte) '%');
							break;
						case 'c': // a character
							c = (char) args[argc++];
							builder.WriteByte ((byte) c);
							break;
						case 'd': // an integer
							str = ((int) args[argc++]).ToString ();
							buf = Encoding.ASCII.GetBytes (str);
							builder.Write (buf, 0, buf.Length);
							break;
						case 'u': // an unsigned integer
							str = ((uint) args[argc++]).ToString ();
							buf = Encoding.ASCII.GetBytes (str);
							builder.Write (buf, 0, buf.Length);
							break;
						case 'F': // an ImapFolder
							var utf7 = ((ImapFolder) args[argc++]).EncodedName;
							AppendString (options, true, builder, utf7);
							break;
						case 'L':
							var literal = new ImapLiteral (options, args[argc++], UpdateProgress);
							var length = literal.Length;
							var plus = string.Empty;
							bool wait = true;

							if (CanUseNonSynchronizedLiteral (literal.Length)) {
								wait = false;
								plus = "+";
							}

							totalSize += length;

							if (options.International)
								str = "UTF8 (~{" + length + plus + "}\r\n";
							else
								str = "{" + length + plus + "}\r\n";

							buf = Encoding.ASCII.GetBytes (str);
							builder.Write (buf, 0, buf.Length);

							parts.Add (new ImapCommandPart (builder.ToArray (), literal, wait));
							builder.SetLength (0);

							if (options.International)
								builder.WriteByte ((byte) ')');
							break;
						case 'S': // a string which may need to be quoted or made into a literal
							AppendString (options, true, builder, (string) args[argc++]);
							break;
						case 'Q': // similar to %S but string must be quoted at a minimum
							AppendString (options, false, builder, (string) args[argc++]);
							break;
						case 's': // a safe atom string
							buf = Encoding.ASCII.GetBytes ((string) args[argc++]);
							builder.Write (buf, 0, buf.Length);
							break;
						default:
							throw new FormatException ();
						}
					} else {
						builder.WriteByte ((byte) format[i]);
					}
				}

				parts.Add (new ImapCommandPart (builder.ToArray (), null));
			}
		}