MDL-19183 imported HTMLpurifier 3.3.0

lib/htmlpurifier/HTMLPurifier/ChildDef/Custom.php

@@ -2,7 +2,7 @@
 
 /**
  * Custom validation class, accepts DTD child definitions
- * 
+ *
  * @warning Currently this class is an all or nothing proposition, that is,
  *          it will only give a bool return value.
  */
@@ -36,25 +36,25 @@ class HTMLPurifier_ChildDef_Custom extends HTMLPurifier_ChildDef
         }
         $el = '[#a-zA-Z0-9_.-]+';
         $reg = $raw;
-        
+
         // COMPLICATED! AND MIGHT BE BUGGY! I HAVE NO CLUE WHAT I'M
         // DOING! Seriously: if there's problems, please report them.
-        
+
         // collect all elements into the $elements array
         preg_match_all("/$el/", $reg, $matches);
         foreach ($matches[0] as $match) {
             $this->elements[$match] = true;
         }
-        
+
         // setup all elements as parentheticals with leading commas
         $reg = preg_replace("/$el/", '(,\\0)', $reg);
-        
+
         // remove commas when they were not solicited
         $reg = preg_replace("/([^,(|]\(+),/", '\\1', $reg);
-        
+
         // remove all non-paranthetical commas: they are handled by first regex
         $reg = preg_replace("/,\(/", '(', $reg);
-        
+
         $this->_pcre_regex = $reg;
     }
     public function validateChildren($tokens_of_children, $config, $context) {
@@ -62,15 +62,15 @@ class HTMLPurifier_ChildDef_Custom extends HTMLPurifier_ChildDef
         $nesting = 0; // depth into the nest
         foreach ($tokens_of_children as $token) {
             if (!empty($token->is_whitespace)) continue;
-            
+
             $is_child = ($nesting == 0); // direct
-            
+
             if ($token instanceof HTMLPurifier_Token_Start) {
                 $nesting++;
             } elseif ($token instanceof HTMLPurifier_Token_End) {
                 $nesting--;
             }
-            
+
             if ($is_child) {
                 $list_of_children .= $token->name . ',';
             }
@@ -82,8 +82,9 @@ class HTMLPurifier_ChildDef_Custom extends HTMLPurifier_ChildDef
                 '/^,?'.$this->_pcre_regex.'$/',
                 $list_of_children
             );
-        
+
         return (bool) $okay;
     }
 }
 
+// vim: et sw=4 sts=4