PeclCmark.php in Markdown 3.0.x

Namespace

Drupal\markdown\Plugin\Markdown

File

src/Plugin/Markdown/PeclCmark.php

<?php

namespace Drupal\markdown\Plugin\Markdown;

use Drupal\Core\Language\LanguageInterface;
use Drupal\markdown\Traits\MarkdownParserBenchmarkTrait;

/**
 * @MarkdownParser(
 *   id = "pecl/cmark",
 *   label = @Translation("PECL cmark/libcmark"),
 *   url = "https://pecl.php.net/package/cmark",
 * )
 */
class PeclCmark extends BaseParser implements MarkdownParserBenchmarkInterface {
  use MarkdownParserBenchmarkTrait;

  /**
   * {@inheritdoc}
   */
  public static function installed() : bool {
    return class_exists('\\CommonMark\\Parser');
  }

  /**
   * {@inheritdoc}
   */
  public static function version() : string {
    if (static::installed()) {

      // Retrieve the PECL extension version.
      $version = [
        phpversion('cmark'),
      ];

      // Extract the actual cmark library version being used.
      // @todo Revisit this to see if there's a better way.
      ob_start();
      phpinfo(INFO_MODULES);
      $php_info = ob_get_contents();
      ob_clean();
      preg_match('/libcmark library.*(\\d+\\.\\d+\\.\\d+)/', $php_info, $matches);
      if (!empty($matches[1])) {
        $version[] = $matches[1];
      }
      return implode('/', $version);
    }
  }

  /**
   * {@inheritdoc}
   */
  public function convertToHtml($markdown, LanguageInterface $language = NULL) {
    try {
      if (is_string($markdown)) {
        $node = \CommonMark\Parse($markdown);
        return \CommonMark\Render\HTML($node);
      }
    } catch (\Exception $e) {

      // Intentionally left blank.
    }
    return '';
  }

}

Classes

Name	Description
PeclCmark	Plugin annotation @MarkdownParser( id = "pecl/cmark", label = @Translation("PECL cmark/libcmark"), url = "https://pecl.php.net/package/cmark", )