Parsedown.php in Markdown 3.0.x

Namespace

Drupal\markdown\Plugin\Markdown

File

src/Plugin/Markdown/Parsedown.php

<?php

namespace Drupal\markdown\Plugin\Markdown;

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

/**
 * @MarkdownParser(
 *   id = "erusev/parsedown",
 *   label = @Translation("Parsedown"),
 *   url = "https://parsedown.org",
 * )
 */
class Parsedown extends BaseParser implements MarkdownParserBenchmarkInterface {
  use MarkdownParserBenchmarkTrait;

  /**
   * The parser class.
   *
   * @var string
   */
  protected static $parserClass = '\\Parsedown';

  /**
   * MarkdownExtra parsers, keyed by filter identifier.
   *
   * @var \Parsedown[]
   */
  protected static $parsers = [];

  /**
   * {@inheritdoc}
   */
  public static function installed() : bool {
    return class_exists(static::$parserClass);
  }

  /**
   * {@inheritdoc}
   */
  public static function version() : string {
    if (static::installed()) {
      $class = static::$parserClass;
      return $class::version;
    }
  }

  /**
   * {@inheritdoc}
   */
  public function convertToHtml($markdown, LanguageInterface $language = NULL) {
    return $this
      ->getParser()
      ->text($markdown);
  }

  /**
   * Retrieves the PHP Markdown parser.
   *
   * @return \Parsedown
   *   A PHP Markdown parser.
   */
  public function getParser() {
    if (!isset(static::$parsers[$this->filterId])) {
      $parser = new static::$parserClass();
      if ($this->filter) {
        foreach ($this->settings as $name => $value) {
          if ($method = $this
            ->getSettingMethod($name)) {
            $parser
              ->{$method}($value);
          }
        }
      }
      static::$parsers[$this->filterId] = $parser;
    }
    return static::$parsers[$this->filterId];
  }

  /**
   * Retrieves the method used to configure a specific setting.
   *
   * @param string $name
   *   The name of the setting.
   *
   * @return string|null
   *   The method name or NULL if method does not exist.
   */
  protected function getSettingMethod($name) {
    $map = static::settingMethodMap();
    return isset($map[$name]) ? $map[$name] : NULL;
  }

  /**
   * A map of setting <-> method.
   *
   * @return array
   */
  protected static function settingMethodMap() {
    return [
      'breaks_enabled' => 'setBreaksEnabled',
      'markup_escaped' => 'setMarkupEscaped',
      'safe_mode' => 'setSafeMode',
      'strict_mode' => 'setStrictMode',
      'urls_linked' => 'setUrlsLinked',
    ];
  }

}

Classes

Name	Description
Parsedown	Plugin annotation @MarkdownParser( id = "erusev/parsedown", label = @Translation("Parsedown"), url = "https://parsedown.org", )