From: Fabien Potencier <fabien.potencier@gmail.com>
Date: Mon, 5 Aug 2013 08:14:58 +0000 (+0200)
Subject: reverted optimizations done in the filesystem loader as it beaks BC
X-Git-Url: http://git.silmor.de/gitweb/?a=commitdiff_plain;h=7c1ce36f87ab1dd1dea007749325b8e120208be6;p=konrad%2Ftwig.git

reverted optimizations done in the filesystem loader as it beaks BC
---

diff --git a/CHANGELOG b/CHANGELOG
index 956dcb1..9dbd495 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,9 +1,7 @@
 * 1.14.0 (2013-XX-XX)
 
  * fixed template_from_string when the template includes or extends other ones
- * improved the performance of the filesystem loader
  * fixed a crash of the C extension on an edge case
- * fixed the filesystem loader cache when a template name exists in several namespaces
  * added support for calling macros defined in a template without importing them first
  * added support for named arguments for macros
  * replaced a PHP fatal error with an exception when  a macro does not exist
diff --git a/lib/Twig/Loader/Filesystem.php b/lib/Twig/Loader/Filesystem.php
index ffa40a3..d47781a 100644
--- a/lib/Twig/Loader/Filesystem.php
+++ b/lib/Twig/Loader/Filesystem.php
@@ -21,7 +21,6 @@ class Twig_Loader_Filesystem implements Twig_LoaderInterface, Twig_ExistsLoaderI
 
     protected $paths;
     protected $cache;
-    protected $errorCache;
 
     /**
      * Constructor.
@@ -88,7 +87,7 @@ class Twig_Loader_Filesystem implements Twig_LoaderInterface, Twig_ExistsLoaderI
     public function addPath($path, $namespace = self::MAIN_NAMESPACE)
     {
         // invalidate the cache
-        $this->cache = $this->errorCache = array();
+        $this->cache = array();
 
         if (!is_dir($path)) {
             throw new Twig_Error_Loader(sprintf('The "%s" directory does not exist.', $path));
@@ -108,7 +107,7 @@ class Twig_Loader_Filesystem implements Twig_LoaderInterface, Twig_ExistsLoaderI
     public function prependPath($path, $namespace = self::MAIN_NAMESPACE)
     {
         // invalidate the cache
-        $this->cache = $this->errorCache = array();
+        $this->cache = array();
 
         if (!is_dir($path)) {
             throw new Twig_Error_Loader(sprintf('The "%s" directory does not exist.', $path));
@@ -144,7 +143,18 @@ class Twig_Loader_Filesystem implements Twig_LoaderInterface, Twig_ExistsLoaderI
      */
     public function exists($name)
     {
-        return $this->doFindTemplate($this->normalizeName($name));
+        $name = (string) $name;
+        if (isset($this->cache[$name])) {
+            return true;
+        }
+
+        try {
+            $this->findTemplate($name);
+
+            return true;
+        } catch (Twig_Error_Loader $exception) {
+            return false;
+        }
     }
 
     /**
@@ -157,62 +167,39 @@ class Twig_Loader_Filesystem implements Twig_LoaderInterface, Twig_ExistsLoaderI
 
     protected function findTemplate($name)
     {
-        $name = $this->normalizeName($name);
+        $name = (string) $name;
 
-        if ($this->doFindTemplate($name)) {
-            return $this->cache[$name];
-        }
-
-        throw new Twig_Error_Loader($this->errorCache[$name]);
-    }
-
-    protected function doFindTemplate($name)
-    {
-        $this->validateName($name);
+        // normalize name
+        $name = preg_replace('#/{2,}#', '/', strtr($name, '\\', '/'));
 
         if (isset($this->cache[$name])) {
-            return true;
+            return $this->cache[$name];
         }
 
-        if (isset($this->errorCache[$name])) {
-            return false;
-        }
+        $this->validateName($name);
 
         $namespace = self::MAIN_NAMESPACE;
-        $shortname = $name;
         if (isset($name[0]) && '@' == $name[0]) {
             if (false === $pos = strpos($name, '/')) {
-                $this->errorCache[$name] = sprintf('Malformed namespaced template name "%s" (expecting "@namespace/template_name").', $name);
-
-                return false;
+                throw new Twig_Error_Loader(sprintf('Malformed namespaced template name "%s" (expecting "@namespace/template_name").', $name));
             }
 
             $namespace = substr($name, 1, $pos - 1);
-            $shortname = substr($name, $pos + 1);
+
+            $name = substr($name, $pos + 1);
         }
 
         if (!isset($this->paths[$namespace])) {
-            $this->errorCache[$name] = sprintf('There are no registered paths for namespace "%s".', $namespace);
-
-            return false;
+            throw new Twig_Error_Loader(sprintf('There are no registered paths for namespace "%s".', $namespace));
         }
 
         foreach ($this->paths[$namespace] as $path) {
-            if (is_file($path.'/'.$shortname)) {
-                $this->cache[$name] = $path.'/'.$shortname;
-
-                return true;
+            if (is_file($path.'/'.$name)) {
+                return $this->cache[$name] = $path.'/'.$name;
             }
         }
 
-        $this->errorCache[$name] = sprintf('Unable to find template "%s" (looked into: %s).', $name, implode(', ', $this->paths[$namespace]));
-
-        return false;
-    }
-
-    protected function normalizeName($name)
-    {
-        return preg_replace('#/{2,}#', '/', strtr((string) $name, '\\', '/'));
+        throw new Twig_Error_Loader(sprintf('Unable to find template "%s" (looked into: %s).', $name, implode(', ', $this->paths[$namespace])));
     }
 
     protected function validateName($name)
diff --git a/test/Twig/Tests/Loader/FilesystemTest.php b/test/Twig/Tests/Loader/FilesystemTest.php
index 3ca580b..4c874b6 100644
--- a/test/Twig/Tests/Loader/FilesystemTest.php
+++ b/test/Twig/Tests/Loader/FilesystemTest.php
@@ -94,34 +94,4 @@ class Twig_Tests_Loader_FilesystemTest extends PHPUnit_Framework_TestCase
         $loader->addPath(sys_get_temp_dir(), 'named');
         $this->assertEquals(array(Twig_Loader_Filesystem::MAIN_NAMESPACE, 'named'), $loader->getNamespaces());
     }
-
-    public function testFindTemplateExceptionNamespace()
-    {
-        $basePath = dirname(__FILE__).'/Fixtures';
-
-        $loader = new Twig_Loader_Filesystem(array($basePath.'/normal'));
-        $loader->addPath($basePath.'/named', 'named');
-
-        try {
-            $loader->getSource('@named/nowhere.html');
-        } catch (Exception $e) {
-            $this->assertInstanceof('Twig_Error_Loader', $e);
-            $this->assertContains('Unable to find template "@named/nowhere.html"', $e->getMessage());
-        }
-    }
-
-    public function testFindTemplateWithCache()
-    {
-        $basePath = dirname(__FILE__).'/Fixtures';
-
-        $loader = new Twig_Loader_Filesystem(array($basePath.'/normal'));
-        $loader->addPath($basePath.'/named', 'named');
-
-        // prime the cache for index.html in the named namespace
-        $namedSource = $loader->getSource('@named/index.html');
-        $this->assertEquals("named path\n", $namedSource);
-
-        // get index.html from the main namespace
-        $this->assertEquals("path\n", $loader->getSource('index.html'));
-    }
 }