From 0b02a6d123b2014705998c94ddf3d460948d3eac Mon Sep 17 00:00:00 2001
From: redmatrix <git@macgirvin.com>
Date: Tue, 10 May 2016 17:26:44 -0700
Subject: initial sabre upgrade (needs lots of work - to wit: authentication,
 redo the browser interface, and rework event export/import)

---
 vendor/composer/ClassLoader.php | 44 ++++++++++++++++++++++++++++++++++++-----
 1 file changed, 39 insertions(+), 5 deletions(-)

(limited to 'vendor/composer/ClassLoader.php')

diff --git a/vendor/composer/ClassLoader.php b/vendor/composer/ClassLoader.php
index 88684c526..ff6ecfb82 100644
--- a/vendor/composer/ClassLoader.php
+++ b/vendor/composer/ClassLoader.php
@@ -13,9 +13,7 @@
 namespace Composer\Autoload;
 
 /**
- * ClassLoader implements a PSR-0 class loader
- *
- * See https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-0.md
+ * ClassLoader implements a PSR-0, PSR-4 and classmap class loader.
  *
  *     $loader = new \Composer\Autoload\ClassLoader();
  *
@@ -39,6 +37,8 @@ namespace Composer\Autoload;
  *
  * @author Fabien Potencier <fabien@symfony.com>
  * @author Jordi Boggiano <j.boggiano@seld.be>
+ * @see    http://www.php-fig.org/psr/psr-0/
+ * @see    http://www.php-fig.org/psr/psr-4/
  */
 class ClassLoader
 {
@@ -54,9 +54,15 @@ class ClassLoader
     private $useIncludePath = false;
     private $classMap = array();
 
+    private $classMapAuthoritative = false;
+
     public function getPrefixes()
     {
-        return call_user_func_array('array_merge', $this->prefixesPsr0);
+        if (!empty($this->prefixesPsr0)) {
+            return call_user_func_array('array_merge', $this->prefixesPsr0);
+        }
+
+        return array();
     }
 
     public function getPrefixesPsr4()
@@ -141,8 +147,10 @@ class ClassLoader
      * appending or prepending to the ones previously set for this namespace.
      *
      * @param string       $prefix  The prefix/namespace, with trailing '\\'
-     * @param array|string $paths   The PSR-0 base directories
+     * @param array|string $paths   The PSR-4 base directories
      * @param bool         $prepend Whether to prepend the directories
+     *
+     * @throws \InvalidArgumentException
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
@@ -204,6 +212,8 @@ class ClassLoader
      *
      * @param string       $prefix The prefix/namespace, with trailing '\\'
      * @param array|string $paths  The PSR-4 base directories
+     *
+     * @throws \InvalidArgumentException
      */
     public function setPsr4($prefix, $paths)
     {
@@ -240,6 +250,27 @@ class ClassLoader
         return $this->useIncludePath;
     }
 
+    /**
+     * Turns off searching the prefix and fallback directories for classes
+     * that have not been registered with the class map.
+     *
+     * @param bool $classMapAuthoritative
+     */
+    public function setClassMapAuthoritative($classMapAuthoritative)
+    {
+        $this->classMapAuthoritative = $classMapAuthoritative;
+    }
+
+    /**
+     * Should class lookup fail if not found in the current class map?
+     *
+     * @return bool
+     */
+    public function isClassMapAuthoritative()
+    {
+        return $this->classMapAuthoritative;
+    }
+
     /**
      * Registers this instance as an autoloader.
      *
@@ -291,6 +322,9 @@ class ClassLoader
         if (isset($this->classMap[$class])) {
             return $this->classMap[$class];
         }
+        if ($this->classMapAuthoritative) {
+            return false;
+        }
 
         $file = $this->findFileWithExtension($class, '.php');
 
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