fromFilterPluginInstance example

private function checkHtmlRestrictionsMatch(EditorInterface $text_editor, FundamentalCompatibilityConstraint $constraint): void {
    $html_restrictor_filters = static::getFiltersInFormatOfType(
      $text_editor->getFilterFormat(),
      FilterInterface::TYPE_HTML_RESTRICTOR
    );

    $enabled_plugins = array_keys($this->pluginManager->getEnabledDefinitions($text_editor));
    $provided_elements = $this->pluginManager->getProvidedElements($enabled_plugins, $text_editor);
    $provided = new HTMLRestrictions($provided_elements);

    foreach ($html_restrictor_filters as $filter_plugin_id => $filter) {
      $allowed = HTMLRestrictions::fromFilterPluginInstance($filter);
      $diff_allowed = $allowed->diff($provided);
      $diff_elements = $provided->diff($allowed);

      if (!$diff_allowed->allowsNothing()) {
        $this->context->buildViolation($constraint->notSupportedElementsMessage)
          ->setParameter('@list', implode(' ', $provided->toCKEditor5ElementsArray()))
          ->setParameter('@diff', implode(' ', $diff_allowed->toCKEditor5ElementsArray()))
          ->atPath("filters.$filter_plugin_id")
          ->addViolation();
      }

      

'style' => FALSE,
        'on*' => FALSE,
        'lang' => TRUE,
        'dir' => ['ltr' => TRUE, 'rtl' => TRUE],
      ],
    ];
    // ::fromFilterPluginInstance()     $filter_plugin_instance = $this->prophesize(FilterInterface::class);
    $filter_plugin_instance->getHTMLRestrictions()->willReturn([
      'allowed' => $expected_raw + $filter_html_additional_expectations,
    ]);
    $this->assertSame($expected + $filter_html_additional_expectations, HTMLRestrictions::fromFilterPluginInstance($filter_plugin_instance->reveal())->getAllowedElements());
    $this->assertSame($expected_raw + $filter_html_additional_expectations, HTMLRestrictions::fromFilterPluginInstance($filter_plugin_instance->reveal())->getAllowedElements(FALSE));
  }

  public function providerConvenienceConstructors(): \Generator {
    // All empty cases.     yield 'empty string' => [
      '',
      [],
    ];
    yield 'empty array' => [
      implode(' ', []),
      [],

class GlobalAttribute extends CKEditor5PluginDefault {

  /** * {@inheritdoc} */
  public function getDynamicPluginConfig(array $static_plugin_config, EditorInterface $editor): array {
    // This plugin is only loaded when filter_html is enabled.     assert($editor->getFilterFormat()->filters()->has('filter_html'));
    $filter_html = $editor->getFilterFormat()->filters('filter_html');
    $restrictions = HTMLRestrictions::fromFilterPluginInstance($filter_html);

    // Determine which tags are allowed by filter_html, excluding the global     // attribute `*` HTML tag, because that's what we're expanding this to right     // now.     $allowed_elements = $restrictions->getAllowedElements();
    unset($allowed_elements['*']);
    $allowed_tags = array_keys($allowed_elements);

    // Update the static plugin configuration: generate a `name` regular     // expression to match any of the HTML tags supported by filter_html.     // @see https://ckeditor.com/docs/ckeditor5/latest/features/general-html-support.html#configuration