public function CodeFilter::process in Code Filter 8

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

See also

\Drupal\filter\FilterProcessResult

File

src/Plugin/Filter/CodeFilter.php, line 55

Class

CodeFilter

Text filter for highlighting PHP source code.

Namespace

Drupal\codefilter\Plugin\Filter

Code

public function process($text, $langcode) {

  // Escape code tags to prevent other filters from acting on them.
  $text = preg_replace_callback('@<code>(.+?)</code>@s', [
    get_class($this),
    'codeTagCallback',
  ], $text);
  $text = preg_replace_callback('@[\\[<](\\?php)(.+?)(\\?)[\\]>]@s', [
    get_class($this),
    'phpTagCallback',
  ], $text);

  // Replace code.
  $text = preg_replace_callback('@\\[codefilter_code\\](.+?)\\[/codefilter_code\\]@s', [
    get_class($this),
    'processCodeCallback',
  ], $text);
  $text = preg_replace_callback('@\\[codefilter_php\\](.+?)\\[/codefilter_php\\]@s', [
    get_class($this),
    'processPHPCallback',
  ], $text);

  // A hack, so we can conditionally nowrap based on filter settings.
  // @todo Refactor how replacements are done so we can do this more cleanly.
  if ($this->settings['nowrap_expand']) {
    $text = str_replace('class="codeblock"', 'class="codeblock nowrap-expand"', $text);
  }
  return new FilterProcessResult($text);
}