Remove trailing whitespace.

Signed-off-by: Edward Z. Yang <edwardzyang@thewritingpot.com>

library/HTMLPurifier/LanguageFactory.php

@@ -9,46 +9,46 @@
  */
 class HTMLPurifier_LanguageFactory
 {
-    
+
     /**
      * Cache of language code information used to load HTMLPurifier_Language objects
      * Structure is: $factory->cache[$language_code][$key] = $value
      * @value array map
      */
     public $cache;
-    
+
     /**
      * Valid keys in the HTMLPurifier_Language object. Designates which
      * variables to slurp out of a message file.
      * @value array list
      */
     public $keys = array('fallback', 'messages', 'errorNames');
-    
+
     /**
      * Instance of HTMLPurifier_AttrDef_Lang to validate language codes
      * @value object HTMLPurifier_AttrDef_Lang
      */
     protected $validator;
-    
+
     /**
      * Cached copy of dirname(__FILE__), directory of current file without
      * trailing slash
      * @value string filename
      */
     protected $dir;
-    
+
     /**
      * Keys whose contents are a hash map and can be merged
      * @value array lookup
      */
     protected $mergeable_keys_map = array('messages' => true, 'errorNames' => true);
-    
+
     /**
      * Keys whose contents are a list and can be merged
      * @value array lookup
      */
     protected $mergeable_keys_list = array();
-    
+
     /**
      * Retrieve sole instance of the factory.
      * @param $prototype Optional prototype to overload sole instance with,
@@ -64,7 +64,7 @@ class HTMLPurifier_LanguageFactory
         }
         return $instance;
     }
-    
+
     /**
      * Sets up the singleton, much like a constructor
      * @note Prevents people from getting this outside of the singleton
@@ -73,7 +73,7 @@ class HTMLPurifier_LanguageFactory
         $this->validator = new HTMLPurifier_AttrDef_Lang();
         $this->dir = HTMLPURIFIER_PREFIX . '/HTMLPurifier';
     }
-    
+
     /**
      * Creates a language object, handles class fallbacks
      * @param $config Instance of HTMLPurifier_Config
@@ -81,7 +81,7 @@ class HTMLPurifier_LanguageFactory
      * @param $code Code to override configuration with. Private parameter.
      */
     public function create($config, $context, $code = false) {
-        
+
         // validate language code
         if ($code === false) {
             $code = $this->validator->validate(
@@ -91,10 +91,10 @@ class HTMLPurifier_LanguageFactory
             $code = $this->validator->validate($code, $config, $context);
         }
         if ($code === false) $code = 'en'; // malformed code becomes English
-        
+
         $pcode = str_replace('-', '_', $code); // make valid PHP classname
         static $depth = 0; // recursion protection
-        
+
         if ($code == 'en') {
             $lang = new HTMLPurifier_Language($config, $context);
         } else {
@@ -114,13 +114,13 @@ class HTMLPurifier_LanguageFactory
                 $depth--;
             }
         }
-        
+
         $lang->code = $code;
-        
+
         return $lang;
-        
+
     }
-    
+
     /**
      * Returns the fallback language for language
      * @note Loads the original language into cache
@@ -130,23 +130,23 @@ class HTMLPurifier_LanguageFactory
         $this->loadLanguage($code);
         return $this->cache[$code]['fallback'];
     }
-    
+
     /**
      * Loads language into the cache, handles message file and fallbacks
      * @param $code string language code
      */
     public function loadLanguage($code) {
         static $languages_seen = array(); // recursion guard
-        
+
         // abort if we've already loaded it
         if (isset($this->cache[$code])) return;
-        
+
         // generate filename
         $filename = $this->dir . '/Language/messages/' . $code . '.php';
-        
+
         // default fallback : may be overwritten by the ensuing include
         $fallback = ($code != 'en') ? 'en' : false;
-        
+
         // load primary localisation
         if (!file_exists($filename)) {
             // skip the include: will rely solely on fallback
@@ -156,10 +156,10 @@ class HTMLPurifier_LanguageFactory
             include $filename;
             $cache = compact($this->keys);
         }
-        
+
         // load fallback localisation
         if (!empty($fallback)) {
-            
+
             // infinite recursion guard
             if (isset($languages_seen[$code])) {
                 trigger_error('Circular fallback reference in language ' .
@@ -167,11 +167,11 @@ class HTMLPurifier_LanguageFactory
                 $fallback = 'en';
             }
             $language_seen[$code] = true;
-            
+
             // load the fallback recursively
             $this->loadLanguage($fallback);
             $fallback_cache = $this->cache[$fallback];
-            
+
             // merge fallback with current language
             foreach ( $this->keys as $key ) {
                 if (isset($cache[$key]) && isset($fallback_cache[$key])) {
@@ -184,14 +184,14 @@ class HTMLPurifier_LanguageFactory
                     $cache[$key] = $fallback_cache[$key];
                 }
             }
-            
+
         }
-        
+
         // save to cache for later retrieval
         $this->cache[$code] = $cache;
-        
+
         return;
     }
-    
+
 }