--- /dev/null
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\ClassLoader;
+
+/**
+ * A class loader that uses a mapping file to look up paths.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class MapClassLoader
+{
+ private $map = array();
+
+ /**
+ * Constructor.
+ *
+ * @param array $map A map where keys are classes and values the absolute file path
+ */
+ public function __construct(array $map)
+ {
+ $this->map = $map;
+ }
+
+ /**
+ * Registers this instance as an autoloader.
+ *
+ * @param bool $prepend Whether to prepend the autoloader or not
+ */
+ public function register($prepend = false)
+ {
+ spl_autoload_register(array($this, 'loadClass'), true, $prepend);
+ }
+
+ /**
+ * Loads the given class or interface.
+ *
+ * @param string $class The name of the class
+ */
+ public function loadClass($class)
+ {
+ if (isset($this->map[$class])) {
+ require $this->map[$class];
+ }
+ }
+
+ /**
+ * Finds the path to the file where the class is defined.
+ *
+ * @param string $class The name of the class
+ *
+ * @return string|null The path, if found
+ */
+ public function findFile($class)
+ {
+ if (isset($this->map[$class])) {
+ return $this->map[$class];
+ }
+ }
+}