From 638eedb622bb1bc2aaa51b3553c5a1213d746b5f Mon Sep 17 00:00:00 2001
From: Fabien Potencier <fabien.potencier@gmail.com>
Date: Sat, 22 Aug 2015 14:45:46 +0200
Subject: [PATCH] Revert "removed an unneeded protected method"

This reverts commit 7de9a57b9232a2992eff9aebcd718c361cd121d3.
---
 lib/Twig/Loader/Filesystem.php | 52 ++++++++++++++++++++--------------
 1 file changed, 31 insertions(+), 21 deletions(-)

diff --git a/lib/Twig/Loader/Filesystem.php b/lib/Twig/Loader/Filesystem.php
index 769a110f5..b57655619 100644
--- a/lib/Twig/Loader/Filesystem.php
+++ b/lib/Twig/Loader/Filesystem.php
@@ -143,9 +143,40 @@ class Twig_Loader_Filesystem implements Twig_LoaderInterface
      * {@inheritdoc}
      */
     public function exists($name)
+    {
+        return $this->doFindTemplate($this->normalizeName($name));
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function isFresh($name, $time)
+    {
+        return filemtime($this->findTemplate($name)) <= $time;
+    }
+
+    protected function findTemplate($name)
     {
         $name = $this->normalizeName($name);
 
+        if ($this->doFindTemplate($name)) {
+            return $this->cache[$name];
+        }
+
+        throw new Twig_Error_Loader($this->errorCache[$name]);
+    }
+
+    /**
+     * Checks if the template can be found.
+     *
+     * @param string $name The template name
+     *
+     * @return bool true if the template exists, false otherwise
+     */
+    protected function doFindTemplate($name)
+    {
+        $this->validateName($name);
+
         if (isset($this->cache[$name])) {
             return true;
         }
@@ -154,8 +185,6 @@ class Twig_Loader_Filesystem implements Twig_LoaderInterface
             return false;
         }
 
-        $this->validateName($name);
-
         list($namespace, $shortname) = $this->parseName($name);
 
         if (!isset($this->paths[$namespace])) {
@@ -183,25 +212,6 @@ class Twig_Loader_Filesystem implements Twig_LoaderInterface
         return false;
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function isFresh($name, $time)
-    {
-        return filemtime($this->findTemplate($name)) <= $time;
-    }
-
-    protected function findTemplate($name)
-    {
-        $name = $this->normalizeName($name);
-
-        if ($this->exists($name)) {
-            return $this->cache[$name];
-        }
-
-        throw new Twig_Error_Loader($this->errorCache[$name]);
-    }
-
     protected function normalizeName($name)
     {
         return preg_replace('#/{2,}#', '/', strtr($name, '\\', '/'));