Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\Core\Extension;
Chris@0: 
Chris@0: use Drupal\Component\Serialization\Exception\InvalidDataTypeException;
Chris@0: use Drupal\Core\Serialization\Yaml;
Chris@0: 
Chris@0: /**
Chris@0:  * Parses dynamic .info.yml files that might change during the page request.
Chris@0:  */
Chris@0: class InfoParserDynamic implements InfoParserInterface {
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function parse($filename) {
Chris@0:     if (!file_exists($filename)) {
Chris@0:       $parsed_info = [];
Chris@0:     }
Chris@0:     else {
Chris@0:       try {
Chris@0:         $parsed_info = Yaml::decode(file_get_contents($filename));
Chris@0:       }
Chris@0:       catch (InvalidDataTypeException $e) {
Chris@0:         throw new InfoParserException("Unable to parse $filename " . $e->getMessage());
Chris@0:       }
Chris@0:       $missing_keys = array_diff($this->getRequiredKeys(), array_keys($parsed_info));
Chris@0:       if (!empty($missing_keys)) {
Chris@0:         throw new InfoParserException('Missing required keys (' . implode(', ', $missing_keys) . ') in ' . $filename);
Chris@0:       }
Chris@0:       if (isset($parsed_info['version']) && $parsed_info['version'] === 'VERSION') {
Chris@0:         $parsed_info['version'] = \Drupal::VERSION;
Chris@0:       }
Chris@17:       // Special backwards compatible handling profiles and their 'dependencies'
Chris@17:       // key.
Chris@17:       if ($parsed_info['type'] === 'profile' && isset($parsed_info['dependencies']) && !array_key_exists('install', $parsed_info)) {
Chris@17:         // Only trigger the deprecation message if we are actually using the
Chris@17:         // profile with the missing 'install' key. This avoids triggering the
Chris@17:         // deprecation when scanning all the available install profiles.
Chris@17:         global $install_state;
Chris@17:         if (isset($install_state['parameters']['profile'])) {
Chris@17:           $pattern = '@' . preg_quote(DIRECTORY_SEPARATOR . $install_state['parameters']['profile'] . '.info.yml') . '$@';
Chris@17:           if (preg_match($pattern, $filename)) {
Chris@17:             @trigger_error("The install profile $filename only implements a 'dependencies' key. As of Drupal 8.6.0 profile's support a new 'install' key for modules that should be installed but not depended on. See https://www.drupal.org/node/2952947.", E_USER_DEPRECATED);
Chris@17:           }
Chris@17:         }
Chris@17:         // Move dependencies to install so that if a profile has both
Chris@17:         // dependencies and install then dependencies are real.
Chris@17:         $parsed_info['install'] = $parsed_info['dependencies'];
Chris@17:         $parsed_info['dependencies'] = [];
Chris@17:       }
Chris@0:     }
Chris@0:     return $parsed_info;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Returns an array of keys required to exist in .info.yml file.
Chris@0:    *
Chris@0:    * @return array
Chris@0:    *   An array of required keys.
Chris@0:    */
Chris@0:   protected function getRequiredKeys() {
Chris@0:     return ['type', 'core', 'name'];
Chris@0:   }
Chris@0: 
Chris@0: }