<?php declare(strict_types=1);
 /**
  * Part of Windwalker project.
  *
  * @copyright  Copyright (C) 2019 LYRASOFT.
  * @license    GNU General Public License version 2 or later;
  */
 
 namespace Windwalker\Renderer\Twig;
 
 /**
  * The TwigFilesystemLoader class.
  *
  * @since  2.1.1
  */
 class TwigFilesystemLoader extends \Twig_Loader_Filesystem
 {
     /**
      * Property separator.
      *
      * @var  string
      */
     protected $separator;
 
     /**
      * TwigFilesystemLoader constructor.
      *
      * @param array|string $paths
      * @param string       $separator
      */
     public function __construct($paths, $separator = '.')
     {
         $this->separator = $separator;
 
         parent::__construct($paths);
     }
 
     /**
      * Method to get property Separator
      *
      * @return  string
      */
     public function getSeparator()
     {
         return $this->separator;
     }
 
     /**
      * Method to set property separator
      *
      * @param   string $separator
      *
      * @return  static  Return self to support chaining.
      */
     public function setSeparator($separator)
     {
         $this->separator = $separator;
 
         return $this;
     }
 
     /**
      * normalizeName
      *
      * @param   string $name
      *
      * @return  string
      */
     protected function normalizeName($name)
     {
         $ext = pathinfo($name, PATHINFO_EXTENSION);
 
         if ($ext === 'twig') {
             $name = substr($name, 0, -5);
         }
 
         $path = preg_replace('#/{2,}#', '/', str_replace($this->separator, '/', $name));
 
         return $path . '.twig';
     }
 
     /**
      * Adds a path where templates are stored.
      *
      * @param string $path      A path where to look for templates
      * @param string $namespace A path name
      */
     public function addPath($path, $namespace = self::MAIN_NAMESPACE)
     {
         // invalidate the cache
         $this->cache = [];
 
         $this->paths[$namespace][] = rtrim($path, '/\\');
     }
 }