diff -r 000000000000 -r 7f95f8617b0b vendor/symfony/src/Symfony/Component/ClassLoader/ClassCollectionLoader.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Component/ClassLoader/ClassCollectionLoader.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,222 @@
+<?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;
+
+/**
+ * ClassCollectionLoader.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class ClassCollectionLoader
+{
+    static private $loaded;
+
+    /**
+     * Loads a list of classes and caches them in one big file.
+     *
+     * @param array   $classes    An array of classes to load
+     * @param string  $cacheDir   A cache directory
+     * @param string  $name       The cache name prefix
+     * @param Boolean $autoReload Whether to flush the cache when the cache is stale or not
+     * @param Boolean $adaptive   Whether to remove already declared classes or not
+     * @param string  $extension  File extension of the resulting file
+     *
+     * @throws \InvalidArgumentException When class can't be loaded
+     */
+    static public function load($classes, $cacheDir, $name, $autoReload, $adaptive = false, $extension = '.php')
+    {
+        // each $name can only be loaded once per PHP process
+        if (isset(self::$loaded[$name])) {
+            return;
+        }
+
+        self::$loaded[$name] = true;
+
+        if ($adaptive) {
+            // don't include already declared classes
+            $classes = array_diff($classes, get_declared_classes(), get_declared_interfaces());
+
+            // the cache is different depending on which classes are already declared
+            $name = $name.'-'.substr(md5(implode('|', $classes)), 0, 5);
+        }
+
+        $cache = $cacheDir.'/'.$name.$extension;
+
+        // auto-reload
+        $reload = false;
+        if ($autoReload) {
+            $metadata = $cacheDir.'/'.$name.$extension.'.meta';
+            if (!file_exists($metadata) || !file_exists($cache)) {
+                $reload = true;
+            } else {
+                $time = filemtime($cache);
+                $meta = unserialize(file_get_contents($metadata));
+
+                if ($meta[1] != $classes) {
+                    $reload = true;
+                } else {
+                    foreach ($meta[0] as $resource) {
+                        if (!file_exists($resource) || filemtime($resource) > $time) {
+                            $reload = true;
+
+                            break;
+                        }
+                    }
+                }
+            }
+        }
+
+        if (!$reload && file_exists($cache)) {
+            require_once $cache;
+
+            return;
+        }
+
+        $files = array();
+        $content = '';
+        foreach ($classes as $class) {
+            if (!class_exists($class) && !interface_exists($class)) {
+                throw new \InvalidArgumentException(sprintf('Unable to load class "%s"', $class));
+            }
+
+            $r = new \ReflectionClass($class);
+            $files[] = $r->getFileName();
+
+            $c = preg_replace(array('/^\s*<\?php/', '/\?>\s*$/'), '', file_get_contents($r->getFileName()));
+
+            // add namespace declaration for global code
+            if (!$r->inNamespace()) {
+                $c = "\nnamespace\n{\n".self::stripComments($c)."\n}\n";
+            } else {
+                $c = self::fixNamespaceDeclarations('<?php '.$c);
+                $c = preg_replace('/^\s*<\?php/', '', $c);
+            }
+
+            $content .= $c;
+        }
+
+        // cache the core classes
+        if (!is_dir(dirname($cache))) {
+            mkdir(dirname($cache), 0777, true);
+        }
+        self::writeCacheFile($cache, '<?php '.$content);
+
+        if ($autoReload) {
+            // save the resources
+            self::writeCacheFile($metadata, serialize(array($files, $classes)));
+        }
+    }
+
+    /**
+     * Adds brackets around each namespace if it's not already the case.
+     *
+     * @param string $source Namespace string
+     *
+     * @return string Namespaces with brackets
+     */
+    static public function fixNamespaceDeclarations($source)
+    {
+        if (!function_exists('token_get_all')) {
+            return $source;
+        }
+
+        $output = '';
+        $inNamespace = false;
+        $tokens = token_get_all($source);
+
+        for ($i = 0, $max = count($tokens); $i < $max; $i++) {
+            $token = $tokens[$i];
+            if (is_string($token)) {
+                $output .= $token;
+            } elseif (in_array($token[0], array(T_COMMENT, T_DOC_COMMENT))) {
+                // strip comments
+                continue;
+            } elseif (T_NAMESPACE === $token[0]) {
+                if ($inNamespace) {
+                    $output .= "}\n";
+                }
+                $output .= $token[1];
+
+                // namespace name and whitespaces
+                while (($t = $tokens[++$i]) && is_array($t) && in_array($t[0], array(T_WHITESPACE, T_NS_SEPARATOR, T_STRING))) {
+                    $output .= $t[1];
+                }
+                if (is_string($t) && '{' === $t) {
+                    $inNamespace = false;
+                    --$i;
+                } else {
+                    $output .= "\n{";
+                    $inNamespace = true;
+                }
+            } else {
+                $output .= $token[1];
+            }
+        }
+
+        if ($inNamespace) {
+            $output .= "}\n";
+        }
+
+        return $output;
+    }
+
+    /**
+     * Writes a cache file.
+     *
+     * @param string $file Filename
+     * @param string $content Temporary file content
+     *
+     * @throws \RuntimeException when a cache file cannot be written
+     */
+    static private function writeCacheFile($file, $content)
+    {
+        $tmpFile = tempnam(dirname($file), basename($file));
+        if (false !== @file_put_contents($tmpFile, $content) && @rename($tmpFile, $file)) {
+            chmod($file, 0644);
+
+            return;
+        }
+
+        throw new \RuntimeException(sprintf('Failed to write cache file "%s".', $file));
+    }
+
+    /**
+     * Removes comments from a PHP source string.
+     *
+     * We don't use the PHP php_strip_whitespace() function
+     * as we want the content to be readable and well-formatted.
+     *
+     * @param string $source A PHP string
+     *
+     * @return string The PHP string with the comments removed
+     */
+    static private function stripComments($source)
+    {
+        if (!function_exists('token_get_all')) {
+            return $source;
+        }
+
+        $output = '';
+        foreach (token_get_all($source) as $token) {
+            if (is_string($token)) {
+                $output .= $token;
+            } elseif (!in_array($token[0], array(T_COMMENT, T_DOC_COMMENT))) {
+                $output .= $token[1];
+            }
+        }
+
+        // replace multiple new lines with a single newline
+        $output = preg_replace(array('/\s+$/Sm', '/\n+/S'), "\n", $output);
+
+        return $output;
+    }
+}