MappingFieldsFilter.php in Gutenberg 8

Namespace

Drupal\gutenberg\Plugin\Filter

File

src/Plugin/Filter/MappingFieldsFilter.php

<?php

namespace Drupal\gutenberg\Plugin\Filter;

use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\Core\Render\RendererInterface;
use Drupal\filter\FilterProcessResult;
use Drupal\filter\Plugin\FilterBase;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Class MappingFieldsFilter.
 *
 * @Filter(
 *   id = "filter_mapping_fields",
 *   title = @Translation("Gutenberg mapping fields filter"),
 *   description = @Translation("Filter/remove content from blocks with mapping fields attribute set."),
 *   settings = {
 *   },
 *   type = Drupal\filter\Plugin\FilterInterface::TYPE_MARKUP_LANGUAGE,
 * )
 */
class MappingFieldsFilter extends FilterBase implements ContainerFactoryPluginInterface {

  /**
   * Drupal\Core\Render\RendererInterface instance.
   *
   * @var \Drupal\Core\Render\RendererInterface
   */
  protected $renderer;

  /**
   * {@inheritdoc}
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, RendererInterface $renderer) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this->renderer = $renderer;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static($configuration, $plugin_id, $plugin_definition, $container
      ->get('renderer'));
  }

  /**
   * Process all content.
   */
  public function process($text, $langcode) {
    $text = preg_replace_callback('#((<!-- .*\\{.*"mappingFields".*} -->)([\\s\\S]*?)(<!-- \\/[\\s\\S]*?-->)|(<!-- .*\\{.*"mappingFields".*} \\/-->))#', [
      $this,
      'renderWithoutMappingFields',
    ], $text);
    return new FilterProcessResult($text);
  }

  /**
   * Callback function to process each URL.
   */
  private function renderWithoutMappingFields($match) {
    $comment_begin = $match[1];
    $comment_end = $match[3];
    return '';
  }

}

Classes

Name	Description
MappingFieldsFilter	Class MappingFieldsFilter.