// fuck it, I'm gonna throw exceptions as opposed to implementing an event handler.. 
class UExcept extends Exception {
  const INTERNAL = 2;
  const GENERIC = 0; 
  const WARNING = 1; 
  

  public $definitions = array(); 
  public $messages;
  public $code = self::INTERNAL;
 
  public function __construct($message = null, $code = self::INTERNAL) {  
    $this->messages = array(); 
	return parent::__construct($message, $code); 
  } 
  public function getmessage() { 
    if(is_numeric($this->message) && array_key_exists($self::definitions, $this->message)) 
      return $this->messages[$this->message]; 
	elseif(is_array($this->message)) { 
	  foreach($this->message as $key) 
	    array_push($this->messages, $self::definitions[$this->message] 
	      ? $self::definitions[$this->message] 
		    : 
		);
      return (array)$this->messages(); 
    }
	else
	  return parent::getmessage(); 
  } 
  public function format($format = " &nbsp; - %s<br />\n") { 
    $r = ''; 
    $t = $this->getmessage(); 
	if(!is_array($t)) 
	  $t = (array)$t;
	foreach($t as $v) 
	  $t .= sprintf($format, $v);  
	return $t; 
  } 
  public function register($list) { $self::definitions = array_merge((array)$self::definitions, $list); } 
  public function uexit($message=null) {
    if($message) 
	  print '<b>' . $message . '<\b>' . "\n"; 
  } 
} 

UExcept::register(array( 
  user::ERR_EXISTS => 'The username you requested is already in use. Please, choose another.',  
  user::ERR_INVALID_USER => 'The username you requested contains invalid characters. Please choose another. <i>(Acceptable characters include A-Z, 0-9, _, - and .)</i>', 
  user::ERR_INVALID_PWD=> 'Password must be atleast ' . UACCOUNT_PWDMIN . ' characters long.', 
  user::ERR_INVALID_EMAIL => 'The email address you supplied is invalid.'
));