source: branches/2.4/prototype/library/utils/Errors.php @ 7443

<?php

final class Errors {
                
        private static $sInstance;
        private $errors;
        
        public static function getInstance(){
                if (!self::$sInstance) {
                        self::$sInstance = new Errors();
                }
                return self::$sInstance;
        }
        
        function __construct(){
                $this->errors = array();
                if($handle = fopen(__DIR__."/../../config/Errors.tsv", "r")){   
                        while (!feof($handle)) {
                                $line = trim(fgets($handle,1024));
                                if($line == null || $line[0] == "#")
                                        continue;
                                $error = preg_split("/[\t]+/", $line);
                                if(is_array($error)&& count($error) == 3) {
                                        $this->errors[] = array("code" => $error[0], "key" => $error[1], "message" => $error[2]);
                                }
                        }
                }       
        }
        
        static public function runException($needle, $argument = false){                
                $error = false;
                $type = (is_int($needle) ? "code" : "key");
                foreach( Errors::getInstance()->errors as $value ){
                        if($value[$type] == $needle){
                                $error = $value;
                                break;
                        }
                }
                
                if($error['message'] && $argument){
                        $error['message'] = str_replace("%1", $argument, $error['message']);
                }               
                if(!$error){
                        Errors::getInstance()->runException("E_UNKNOWN_ERROR");
                }               
                
                throw new ResponseException($error['message'], $error['code']);          
        }       
                
}