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\Util\SluggerUtil;
  20 use Rapsys\PackBundle\Parser\TokenParser;
  21
  22 /**
  23  * {@inheritdoc}
  24  */
  25 class PackExtension extends AbstractExtension {
  26         //The config
  27         private $config;
  28
  29         //The output
  30         private $output;
  31
  32         //The filter
  33         private $filters;
  34
  35         //The file locator
  36         protected $locator;
  37
  38         //The slugger instance
  39         protected $slugger;
  40
  41         //The assets package
  42         protected $package;
  43
  44         /**
  45          * @link https://twig.symfony.com/doc/2.x/advanced.html
  46          *
  47          * {@inheritdoc}
  48          */
  49         public function __construct(FileLocator $locator, ContainerInterface $container, PackageInterface $package, SluggerUtil $slugger) {
  50                 //Set file locator
  51                 $this->locator = $locator;
  52
  53                 //Set slugger
  54                 $this->slugger = $slugger;
  55
  56                 //Set assets packages
  57                 $this->package = $package;
  58
  59                 //Retrieve bundle config
  60                 if ($parameters = $container->getParameter($this->getAlias())) {
  61                         //Set config, output and filters arrays
  62                         foreach(['config', 'output', 'filters'] as $k) {
  63                                 $this->$k = $parameters[$k];
  64                         }
  65                 }
  66         }
  67
  68         /**
  69          * Returns a list of filters to add to the existing list.
  70          *
  71          * @return \Twig\TwigFilter[]
  72          */
  73         public function getTokenParsers(): array {
  74                 return [
  75                         new TokenParser($this->locator, $this->package, $this->config, 'stylesheet', $this->output['css'], $this->filters['css']),
  76                         new TokenParser($this->locator, $this->package, $this->config, 'javascript', $this->output['js'], $this->filters['js']),
  77                         new TokenParser($this->locator, $this->package, $this->config, 'image', $this->output['img'], $this->filters['img'])
  78                 ];
  79         }
  80
  81         /**
  82          * Returns a list of filters to add to the existing list.
  83          *
  84          * @return \Twig\TwigFilter[]
  85          */
  86         public function getFilters(): array {
  87                 return [
  88                         new \Twig\TwigFilter('hash', [$this->slugger, 'hash']),
  89                         new \Twig\TwigFilter('unshort', [$this->slugger, 'unshort']),
  90                         new \Twig\TwigFilter('short', [$this->slugger, 'short'])
  91                 ];
  92         }
  93
  94         /**
  95          * {@inheritdoc}
  96          */
  97         public function getAlias(): string {
  98                 return 'rapsys_pack';
  99         }
 100 }