Same name and namespace in other branches

1. 9 core/modules/editor/src/Plugin/Filter/EditorFileReference.php \Drupal\editor\Plugin\Filter\EditorFileReference::process()
2. 8.9.x core/modules/editor/src/Plugin/Filter/EditorFileReference.php \Drupal\editor\Plugin\Filter\EditorFileReference::process()
3. 10 core/modules/editor/src/Plugin/Filter/EditorFileReference.php \Drupal\editor\Plugin\Filter\EditorFileReference::process()

Performs the filter processing.

Parameters

string $text: The text string to be filtered.

string $langcode: The language code of the text to be filtered.

Return value

\Drupal\filter\FilterProcessResult The filtered text, wrapped in a FilterProcessResult object, and possibly with associated assets, cacheability metadata and placeholders.

Overrides FilterInterface::process

File

core/modules/editor/src/Plugin/Filter/EditorFileReference.php, line 80

Class

EditorFileReference

Provides a filter to track images uploaded via a Text Editor.

Namespace

Drupal\editor\Plugin\Filter

Code

public function process($text, $langcode) {
  $result = new FilterProcessResult($text);
  if (stristr($text, 'data-entity-type="file"') !== FALSE) {
    $dom = Html::load($text);
    $xpath = new \DOMXPath($dom);
    $processed_uuids = [];
    foreach ($xpath->query('//*[@data-entity-type="file" and @data-entity-uuid]') as $node) {
      $uuid = $node->getAttribute('data-entity-uuid');
      // If there is a 'src' attribute, set it to the file entity's current
      // URL. This ensures the URL works even after the file location changes.
      if ($node->hasAttribute('src')) {
        $file = $this->entityRepository
          ->loadEntityByUuid('file', $uuid);
        if ($file instanceof FileInterface) {
          $node->setAttribute('src', $file->createFileUrl());
          if ($node->nodeName == 'img') {
            $image = $this->imageFactory
              ->get($file->getFileUri());
            $width = $image->getWidth();
            $height = $image->getHeight();
            // Set dimensions to avoid content layout shift (CLS).
            // @see https://web.dev/cls/
            if ($width !== NULL && !$node->hasAttribute('width')) {
              $node->setAttribute('width', (string) $width);
            }
            if ($height !== NULL && !$node->hasAttribute('height')) {
              $node->setAttribute('height', (string) $height);
            }
          }
        }
      }
      // Only process the first occurrence of each file UUID.
      if (!isset($processed_uuids[$uuid])) {
        $processed_uuids[$uuid] = TRUE;
        $file = $this->entityRepository
          ->loadEntityByUuid('file', $uuid);
        if ($file instanceof FileInterface) {
          $result->addCacheTags($file->getCacheTags());
        }
      }
    }
    $result->setProcessedText(Html::serialize($dom));
  }
  return $result;
}

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