[FrameworkBundle] Improved TemplateNameParser performance

Author: webmozart

Templating/TemplateNameParser.php

@@ -56,19 +56,11 @@ public function parse($name)
             throw new \RuntimeException(sprintf('Template name "%s" contains invalid characters.', $name));
         }
 
-        $parts = explode(':', $name);
-        if (3 !== count($parts)) {
+        if (!preg_match('/^([^:]*):([^:]*):(.+)\.([^\.]+)\.([^\.]+)$/', $name, $matches)) {
             throw new \InvalidArgumentException(sprintf('Template name "%s" is not valid (format is "bundle:section:template.format.engine").', $name));
         }
 
-        $elements = explode('.', $parts[2]);
-        if (3 > count($elements)) {
-            throw new \InvalidArgumentException(sprintf('Template name "%s" is not valid (format is "bundle:section:template.format.engine").', $name));
-        }
-        $engine = array_pop($elements);
-        $format = array_pop($elements);
-
-        $template = new TemplateReference($parts[0], $parts[1], implode('.', $elements), $format, $engine);
+        $template = new TemplateReference($matches[1], $matches[2], $matches[3], $matches[4], $matches[5]);
 
         if ($template->get('bundle')) {
             try {