aleph1.co.uk Git - yaffs-website/blob - web/core/lib/Drupal/Core/Installer/InstallerModuleExtensionList.php

   1 <?php
   2
   3 namespace Drupal\Core\Installer;
   4
   5 use Drupal\Core\Extension\ModuleExtensionList;
   6
   7 /**
   8  * Overrides the module extension list to have a static cache.
   9  */
  10 class InstallerModuleExtensionList extends ModuleExtensionList {
  11
  12   /**
  13    * Static version of the added file names during the installer.
  14    *
  15    * @var string[]
  16    *
  17    * @internal
  18    */
  19   protected static $staticAddedPathNames;
  20
  21   /**
  22    * {@inheritdoc}
  23    */
  24   public function setPathname($extension_name, $pathname) {
  25     parent::setPathname($extension_name, $pathname);
  26
  27     // In the early installer the container is rebuilt multiple times. Therefore
  28     // we have to keep the added filenames across those rebuilds. This is not a
  29     // final design, but rather just a workaround resolved at some point,
  30     // hopefully.
  31     // @todo Remove as part of https://drupal.org/project/drupal/issues/2934063
  32     static::$staticAddedPathNames[$extension_name] = $pathname;
  33   }
  34
  35   /**
  36    * {@inheritdoc}
  37    */
  38   public function getPathname($extension_name) {
  39     if (isset($this->addedPathNames[$extension_name])) {
  40       return $this->addedPathNames[$extension_name];
  41     }
  42     elseif (isset($this->pathNames[$extension_name])) {
  43       return $this->pathNames[$extension_name];
  44     }
  45     elseif (isset(static::$staticAddedPathNames[$extension_name])) {
  46       return static::$staticAddedPathNames[$extension_name];
  47     }
  48     elseif (($path_names = $this->getPathnames()) && isset($path_names[$extension_name])) {
  49       // Ensure we don't have to do path scanning more than really needed.
  50       foreach ($path_names as $extension => $path_name) {
  51         static::$staticAddedPathNames[$extension] = $path_name;
  52       }
  53       return $path_names[$extension_name];
  54     }
  55     throw new \InvalidArgumentException("The {$this->type} $extension_name does not exist.");
  56   }
  57
  58 }