<?php declare(strict_types=1);
 /**
  * Part of Windwalker project.
  *
  * @copyright  Copyright (C) 2019 LYRASOFT.
  * @license    LGPL-2.0-or-later
  */
 
 namespace Windwalker\Renderer\Twig;
 
 /**
  * The GlobalContainer class.
  *
  * @since  2.0
  */
 abstract class GlobalContainer
 {
     /**
      * Property extensions.
      *
      * @var  \Twig_ExtensionInterface[]
      */
     protected static $extensions = [];
 
     /**
      * Property data.
      *
      * @var  array
      */
     protected static $globals = [];
 
     /**
      * addExtension
      *
      * @param string                   $name
      * @param \Twig_ExtensionInterface $extension
      *
      * @return  void
      */
     public static function addExtension($name, \Twig_ExtensionInterface $extension)
     {
         static::$extensions[$name] = $extension;
     }
 
     /**
      * getExtension
      *
      * @param   string $name
      *
      * @return  \Twig_ExtensionInterface
      */
     public static function getExtension($name)
     {
         if (!empty(static::$extensions[$name])) {
             return static::$extensions[$name];
         }
 
         return null;
     }
 
     /**
      * removeExtension
      *
      * @param string $name
      *
      * @return  void
      */
     public static function removeExtension($name)
     {
         if (isset(static::$extensions[$name])) {
             unset(static::$extensions[$name]);
         }
     }
 
     /**
      * Method to get property Extensions
      *
      * @return  \Twig_ExtensionInterface[]
      */
     public static function getExtensions()
     {
         return static::$extensions;
     }
 
     /**
      * Method to set property extensions
      *
      * @param   \Twig_ExtensionInterface[] $extensions
      *
      * @return  void
      */
     public static function setExtensions(array $extensions)
     {
         static::$extensions = $extensions;
     }
 
     /**
      * setGlobal
      *
      * @param string $name
      * @param mixed  $value
      *
      * @return  void
      */
     public static function addGlobal($name, $value)
     {
         static::$globals[$name] = $value;
     }
 
     /**
      * getGlobal
      *
      * @param string $name
      *
      * @return  mixed
      */
     public static function getGlobal($name)
     {
         if (array_key_exists($name, static::$globals)) {
             return static::$globals[$name];
         }
 
         return null;
     }
 
     /**
      * removeGlobal
      *
      * @param   string $name
      *
      * @return  void
      */
     public static function removeGlobal($name)
     {
         if (isset(static::$globals[$name])) {
             unset(static::$globals[$name]);
         }
     }
 
     /**
      * Method to get property Globals
      *
      * @return  array
      */
     public static function getGlobals()
     {
         return static::$globals;
     }
 
     /**
      * Method to set property globals
      *
      * @param   array $globals
      *
      * @return  void
      */
     public static function setGlobals(array $globals)
     {
         static::$globals = $globals;
     }
 }