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[yaffs-website] / vendor / symfony / config / Resource / ComposerResource.php

diff --git a/vendor/symfony/config/Resource/ComposerResource.php b/vendor/symfony/config/Resource/ComposerResource.php
new file mode 100644 (file)
index 0000000..64288ea
--- /dev/null
+++ b/vendor/symfony/config/Resource/ComposerResource.php
@@ -0,0 +1,78 @@
+<?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\Config\Resource;
+
+/**
+ * ComposerResource tracks the PHP version and Composer dependencies.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class ComposerResource implements SelfCheckingResourceInterface, \Serializable
+{
+    private $vendors;
+
+    private static $runtimeVendors;
+
+    public function __construct()
+    {
+        self::refresh();
+        $this->vendors = self::$runtimeVendors;
+    }
+
+    public function getVendors()
+    {
+        return array_keys($this->vendors);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function __toString()
+    {
+        return __CLASS__;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function isFresh($timestamp)
+    {
+        self::refresh();
+
+        return self::$runtimeVendors === $this->vendors;
+    }
+
+    public function serialize()
+    {
+        return serialize($this->vendors);
+    }
+
+    public function unserialize($serialized)
+    {
+        $this->vendors = unserialize($serialized);
+    }
+
+    private static function refresh()
+    {
+        self::$runtimeVendors = array();
+
+        foreach (get_declared_classes() as $class) {
+            if ('C' === $class[0] && 0 === strpos($class, 'ComposerAutoloaderInit')) {
+                $r = new \ReflectionClass($class);
+                $v = dirname(dirname($r->getFileName()));
+                if (file_exists($v.'/composer/installed.json')) {
+                    self::$runtimeVendors[$v] = @filemtime($v.'/composer/installed.json');
+                }
+            }
+        }
+    }
+}