[2.0.1] Add severity to error collector

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1226 48356398-32a2-884e-a903-53898d9a118a

library/HTMLPurifier/Language.php

@@ -20,6 +20,11 @@ class HTMLPurifier_Language
      */
     var $messages = array();
     
+    /**
+     * Array of localizable error codes
+     */
+    var $errorNames = array();
+    
     /**
      * Has the language object been loaded yet?
      * @private
@@ -51,6 +56,18 @@ class HTMLPurifier_Language
         return $this->messages[$key];
     }
     
+    /**
+     * Retrieves a localised error name.
+     * @param $int integer error number, corresponding to PHP's error
+     *             reporting
+     * @return string localised message
+     */
+    function getErrorName($int) {
+        if (!$this->_loaded) $this->load();
+        if (!isset($this->errorNames[$int])) return "[Error: $int]";
+        return $this->errorNames[$int];
+    }
+    
     /**
      * Formats a localised message with passed parameters
      * @param $key string identifier of message