/// <summary>
/// Advances the enumerator to the next command in the stream.
/// </summary>
/// <param name="context">The session context to use for making session based transitions.</param>
/// <param name="tokenEnumerator">The token enumerator to accept the command from.</param>
/// <param name="command">The command that is defined within the token enumerator.</param>
/// <param name="errorResponse">The error that indicates why the command could not be made.</param>
/// <returns>true if a valid command was found, false if not.</returns>
public bool TryMake(SmtpSessionContext context, TokenEnumerator tokenEnumerator, out SmtpCommand command, out SmtpResponse errorResponse)
{
if (_states[_current].Transitions.TryGetValue(tokenEnumerator.Peek().Text, out _transition) == false)
{
var response = $"expected {String.Join("/", _states[_current].Transitions.Keys)}";
command = null;
errorResponse = new SmtpResponse(SmtpReplyCode.SyntaxError, response);
return(false);
}
if (_transition.Delegate(tokenEnumerator, out command, out errorResponse) == false)
{
return(false);
}
return(true);
}
