public function TagPluginBase::process in Extensible BBCode 4.0.x

Same name and namespace in other branches

1. 8.3 src/Plugin/TagPluginBase.php \Drupal\xbbcode\Plugin\TagPluginBase::process()

Generate output from a tag element.

@todo Add covariant type hints after PHP 7.4 is required.

Parameters

\Drupal\xbbcode\Parser\Tree\TagElementInterface $tag: The tag element to process.

Return value

\Drupal\xbbcode\Parser\Tree\OutputElementInterface Actually a TagProcessResult, but PHP does not support covariant types.

Overrides TagPluginInterface::process

See also

\Drupal\xbbcode\TagProcessResult

File

src/Plugin/TagPluginBase.php, line 165

Class

TagPluginBase

Provides a base class for XBBCode tag plugins.

Namespace

Drupal\xbbcode\Plugin

Code

public function process(TagElementInterface $tag) : OutputElementInterface {

  // Use an adapter that marks rendered output as safe.
  $result = $this
    ->doProcess(new PreparedTagElement($tag));

  // Merge metadata from rendered sub-tags.
  foreach ($tag
    ->getRenderedChildren(FALSE) as $child) {
    if ($child instanceof TagProcessResult) {
      $result = $result
        ->merge($child);
    }
  }
  return $result;
}