update autoloader

Signed-off-by: Robin Appelman <robin@icewind.nl>

lib/composer/composer/ClassLoader.php

@@ -55,6 +55,7 @@ class ClassLoader
     private $classMap = array();
     private $classMapAuthoritative = false;
     private $missingClasses = array();
+    private $apcuPrefix;
 
     public function getPrefixes()
     {
@@ -271,6 +272,26 @@ class ClassLoader
         return $this->classMapAuthoritative;
     }
 
+    /**
+     * APCu prefix to use to cache found/not-found classes, if the extension is enabled.
+     *
+     * @param string|null $apcuPrefix
+     */
+    public function setApcuPrefix($apcuPrefix)
+    {
+        $this->apcuPrefix = function_exists('apcu_fetch') && ini_get('apc.enabled') ? $apcuPrefix : null;
+    }
+
+    /**
+     * The APCu prefix in use, or null if APCu caching is not enabled.
+     *
+     * @return string|null
+     */
+    public function getApcuPrefix()
+    {
+        return $this->apcuPrefix;
+    }
+
     /**
      * Registers this instance as an autoloader.
      *
@@ -313,11 +334,6 @@ class ClassLoader
      */
     public function findFile($class)
     {
-        // work around for PHP 5.3.0 - 5.3.2 https://bugs.php.net/50731
-        if ('\\' == $class[0]) {
-            $class = substr($class, 1);
-        }
-
         // class map lookup
         if (isset($this->classMap[$class])) {
             return $this->classMap[$class];
@@ -325,6 +341,12 @@ class ClassLoader
         if ($this->classMapAuthoritative || isset($this->missingClasses[$class])) {
             return false;
         }
+        if (null !== $this->apcuPrefix) {
+            $file = apcu_fetch($this->apcuPrefix.$class, $hit);
+            if ($hit) {
+                return $file;
+            }
+        }
 
         $file = $this->findFileWithExtension($class, '.php');
 
@@ -333,6 +355,10 @@ class ClassLoader
             $file = $this->findFileWithExtension($class, '.hh');
         }
 
+        if (null !== $this->apcuPrefix) {
+            apcu_add($this->apcuPrefix.$class, $file);
+        }
+
         if (false === $file) {
             // Remember that this class does not exist.
             $this->missingClasses[$class] = true;

lib/composer/composer/autoload_classmap.php

@@ -752,6 +752,7 @@ return array(
     'OC\\Settings\\Controller\\SecuritySettingsController' => $baseDir . '/settings/Controller/SecuritySettingsController.php',
     'OC\\Settings\\Controller\\UsersController' => $baseDir . '/settings/Controller/UsersController.php',
     'OC\\Settings\\Manager' => $baseDir . '/lib/private/Settings/Manager.php',
+    'OC\\Settings\\Mapper' => $baseDir . '/lib/private/Settings/Mapper.php',
     'OC\\Settings\\Middleware\\SubadminMiddleware' => $baseDir . '/settings/Middleware/SubadminMiddleware.php',
     'OC\\Settings\\RemoveOrphaned' => $baseDir . '/lib/private/Settings/RemoveOrphaned.php',
     'OC\\Settings\\Section' => $baseDir . '/lib/private/Settings/Section.php',

lib/composer/composer/autoload_static.php

@@ -782,6 +782,7 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OC\\Settings\\Controller\\SecuritySettingsController' => __DIR__ . '/../../..' . '/settings/Controller/SecuritySettingsController.php',
         'OC\\Settings\\Controller\\UsersController' => __DIR__ . '/../../..' . '/settings/Controller/UsersController.php',
         'OC\\Settings\\Manager' => __DIR__ . '/../../..' . '/lib/private/Settings/Manager.php',
+        'OC\\Settings\\Mapper' => __DIR__ . '/../../..' . '/lib/private/Settings/Mapper.php',
         'OC\\Settings\\Middleware\\SubadminMiddleware' => __DIR__ . '/../../..' . '/settings/Middleware/SubadminMiddleware.php',
         'OC\\Settings\\RemoveOrphaned' => __DIR__ . '/../../..' . '/lib/private/Settings/RemoveOrphaned.php',
         'OC\\Settings\\Section' => __DIR__ . '/../../..' . '/lib/private/Settings/Section.php',