Raphaël G. Git Repositories - packbundle/blob - Extension/PackExtension.php

   1 <?php declare(strict_types=1);
   2
   3 /*
   4  * This file is part of the Rapsys PackBundle package.
   5  *
   6  * (c) Raphaël Gertz <symfony@rapsys.eu>
   7  *
   8  * For the full copyright and license information, please view the LICENSE
   9  * file that was distributed with this source code.
  10  */
  11
  12 namespace Rapsys\PackBundle\Extension;
  13
  14 use Symfony\Component\Asset\PackageInterface;
  15 use Symfony\Component\DependencyInjection\ContainerInterface;
  16 use Symfony\Component\HttpKernel\Config\FileLocator;
  17 use Twig\Extension\AbstractExtension;
  18
  19 use Rapsys\PackBundle\Parser\TokenParser;
  20 use Rapsys\PackBundle\RapsysPackBundle;
  21 use Rapsys\PackBundle\Util\SluggerUtil;
  22
  23 /**
  24  * {@inheritdoc}
  25  */
  26 class PackExtension extends AbstractExtension {
  27         //The config
  28         private $config;
  29
  30         //The output
  31         private $output;
  32
  33         //The filter
  34         private $filters;
  35
  36         //The file locator
  37         protected $locator;
  38
  39         //The slugger instance
  40         protected $slugger;
  41
  42         //The assets package
  43         protected $package;
  44
  45         /**
  46          * @link https://twig.symfony.com/doc/2.x/advanced.html
  47          *
  48          * {@inheritdoc}
  49          */
  50         public function __construct(FileLocator $locator, ContainerInterface $container, PackageInterface $package, SluggerUtil $slugger) {
  51                 //Set file locator
  52                 $this->locator = $locator;
  53
  54                 //Set slugger
  55                 $this->slugger = $slugger;
  56
  57                 //Set assets packages
  58                 $this->package = $package;
  59
  60                 //Retrieve bundle config
  61                 if ($parameters = $container->getParameter($this->getAlias())) {
  62                         //Set config, output and filters arrays
  63                         foreach(['config', 'output', 'filters'] as $k) {
  64                                 $this->$k = $parameters[$k];
  65                         }
  66                 }
  67         }
  68
  69         /**
  70          * Returns a list of filters to add to the existing list.
  71          *
  72          * @return \Twig\TwigFilter[]
  73          */
  74         public function getTokenParsers(): array {
  75                 return [
  76                         new TokenParser($this->locator, $this->package, $this->config, 'stylesheet', $this->output['css'], $this->filters['css']),
  77                         new TokenParser($this->locator, $this->package, $this->config, 'javascript', $this->output['js'], $this->filters['js']),
  78                         new TokenParser($this->locator, $this->package, $this->config, 'image', $this->output['img'], $this->filters['img'])
  79                 ];
  80         }
  81
  82         /**
  83          * Returns a list of filters to add to the existing list.
  84          *
  85          * @return \Twig\TwigFilter[]
  86          */
  87         public function getFilters(): array {
  88                 return [
  89                         new \Twig\TwigFilter('hash', [$this->slugger, 'hash']),
  90                         new \Twig\TwigFilter('unshort', [$this->slugger, 'unshort']),
  91                         new \Twig\TwigFilter('short', [$this->slugger, 'short'])
  92                 ];
  93         }
  94
  95         /**
  96          * {@inheritdoc}
  97          */
  98         public function getAlias(): string {
  99                 return RapsysPackBundle::getAlias();
 100         }
 101 }