1 files changed, 27 insertions, 14 deletions

diff --git a/library/HTMLPurifier/URISchemeRegistry.php b/library/HTMLPurifier/URISchemeRegistry.php
index 576bf7b6d..4ac8a0b76 100644
--- a/library/HTMLPurifier/URISchemeRegistry.php
+++ b/library/HTMLPurifier/URISchemeRegistry.php
@@ -8,12 +8,14 @@ class HTMLPurifier_URISchemeRegistry
 
     /**
      * Retrieve sole instance of the registry.
-     * @param $prototype Optional prototype to overload sole instance with,
+     * @param HTMLPurifier_URISchemeRegistry $prototype Optional prototype to overload sole instance with,
      *                   or bool true to reset to default registry.
+     * @return HTMLPurifier_URISchemeRegistry
      * @note Pass a registry object $prototype with a compatible interface and
      *       the function will copy it and return it all further times.
      */
-    public static function instance($prototype = null) {
+    public static function instance($prototype = null)
+    {
         static $instance = null;
         if ($prototype !== null) {
             $instance = $prototype;
@@ -25,17 +27,22 @@ class HTMLPurifier_URISchemeRegistry
 
     /**
      * Cache of retrieved schemes.
+     * @type HTMLPurifier_URIScheme[]
      */
     protected $schemes = array();
 
     /**
      * Retrieves a scheme validator object
-     * @param $scheme String scheme name like http or mailto
-     * @param $config HTMLPurifier_Config object
-     * @param $config HTMLPurifier_Context object
+     * @param string $scheme String scheme name like http or mailto
+     * @param HTMLPurifier_Config $config
+     * @param HTMLPurifier_Context $context
+     * @return HTMLPurifier_URIScheme
      */
-    public function getScheme($scheme, $config, $context) {
-        if (!$config) $config = HTMLPurifier_Config::createDefault();
+    public function getScheme($scheme, $config, $context)
+    {
+        if (!$config) {
+            $config = HTMLPurifier_Config::createDefault();
+        }
 
         // important, otherwise attacker could include arbitrary file
         $allowed_schemes = $config->get('URI.AllowedSchemes');
@@ -45,24 +52,30 @@ class HTMLPurifier_URISchemeRegistry
             return;
         }
 
-        if (isset($this->schemes[$scheme])) return $this->schemes[$scheme];
-        if (!isset($allowed_schemes[$scheme])) return;
+        if (isset($this->schemes[$scheme])) {
+            return $this->schemes[$scheme];
+        }
+        if (!isset($allowed_schemes[$scheme])) {
+            return;
+        }
 
         $class = 'HTMLPurifier_URIScheme_' . $scheme;
-        if (!class_exists($class)) return;
+        if (!class_exists($class)) {
+            return;
+        }
         $this->schemes[$scheme] = new $class();
         return $this->schemes[$scheme];
     }
 
     /**
      * Registers a custom scheme to the cache, bypassing reflection.
-     * @param $scheme Scheme name
-     * @param $scheme_obj HTMLPurifier_URIScheme object
+     * @param string $scheme Scheme name
+     * @param HTMLPurifier_URIScheme $scheme_obj
      */
-    public function register($scheme, $scheme_obj) {
+    public function register($scheme, $scheme_obj)
+    {
         $this->schemes[$scheme] = $scheme_obj;
     }
-
 }
 
 // vim: et sw=4 sts=4