public function AllowedHtmlManager::appliesTo in Markdown 8.2

Retrieves plugins that apply to a parser and active theme.

Note: this is primarily for use when actually parsing markdown.

Parameters

\Drupal\markdown\Plugin\Markdown\ParserInterface $parser: A markdown parser.

\Drupal\Core\Theme\ActiveTheme $activeTheme: Optional. The active them. This is used as an indicator when in "render mode".

array $definitions: Optional. Specific plugin definitions.

Return value

\Drupal\markdown\Plugin\Markdown\AllowedHtmlInterface[] Plugins that apply to the $parser.

File

src/PluginManager/AllowedHtmlManager.php, line 150

Class

AllowedHtmlManager

Markdown Allowed HTML Plugin Manager.

Namespace

Drupal\markdown\PluginManager

Code

public function appliesTo(ParserInterface $parser, ActiveTheme $activeTheme = NULL, array $definitions = NULL) {
  $instances = [];
  foreach ($this
    ->getGroupedDefinitions($definitions) as $group => $groupDefinitions) {

    // Filter group definitions based on enabled status of the parser when
    // an active theme has been provided.
    if ($activeTheme) {
      $groupDefinitions = array_intersect_key($groupDefinitions, array_filter($parser
        ->getAllowedHtmlPlugins()));
    }
    switch ($group) {
      case 'extension':
        $groupDefinitions = $this
          ->getExtensionDefinitions($parser, $groupDefinitions, $activeTheme);
        break;
      case 'filter':
        $filter = $parser instanceof FilterAwareInterface ? $parser
          ->getFilter() : NULL;
        $filterFormat = $filter instanceof FilterFormatAwareInterface ? $filter
          ->getFilterFormat() : NULL;
        $groupDefinitions = $this
          ->getFilterDefinitions($filterFormat, $groupDefinitions, $activeTheme);
        break;
      case 'parser':
        $groupDefinitions = $this
          ->getParserDefinitions($parser, $groupDefinitions, $activeTheme);
        break;
      case 'theme':

        // If an active theme was provided, then filter out the theme
        // based plugins that are supported by the active theme.
        if ($activeTheme) {
          $groupDefinitions = $this
            ->getThemeDefinitions($groupDefinitions, $activeTheme);
        }
        break;
    }
    foreach (array_keys($groupDefinitions) as $plugin_id) {
      try {
        $instances[$plugin_id] = $this
          ->createInstance($plugin_id, [
          'activeTheme' => $activeTheme,
          'parser' => $parser,
        ]);
      } catch (PluginException $e) {

        // Intentionally do nothing.
      }
    }
  }
  return $instances;
}