function fontawesome_extract_icons in Font Awesome Icons 8

Same name and namespace in other branches

1. 7.3 fontawesome.module \fontawesome_extract_icons()
2. 7.2 fontawesome.module \fontawesome_extract_icons()

Extracts all icons from the CSS file.

Return value

array Array containing icons.

2 calls to fontawesome_extract_icons()

EditorIconDialog::buildForm in src/Form/EditorIconDialog.php

fontawesome_icon_bundles in ./fontawesome.module

Implements hook_icon_bundles().

File

./fontawesome.module, line 159

Drupal integration with Font Awesome, the iconic font for use with Bootstrap.

Code

function fontawesome_extract_icons() {

  // If CDN is enabled, get CSS content from the CDN URL.
  if (\Drupal::config('fontawesome.settings')
    ->get('fontawesome_use_cdn')) {
    $fontawesome_library = \Drupal::service('library.discovery')
      ->getLibraryByName('fontawesome', 'fontawesome.cdn');
    $url = $fontawesome_library['css'][0]['data'];

    // The URL needs to have a schema to work with drupal_http_request.
    if (strpos($url, '//') === 0) {
      $url = 'http:' . $url;
    }
    $response = \Drupal::httpClient()
      ->get($url, [
      'headers' => [
        'Accept' => 'text/plain',
      ],
    ]);
    $content = (string) $response
      ->getBody();
  }
  else {
    $fontawesome_library = \Drupal::service('library.discovery')
      ->getLibraryByName('fontawesome', 'fontawesome');
    $filepath = DRUPAL_ROOT . '/' . $fontawesome_library['css'][0]['data'];
    $content = file_exists($filepath) ? file_get_contents($filepath) : '';
  }

  // Parse the CSS content.
  if (preg_match_all('@\\.fa-([a-zA-Z0-9\\-]*?):before[\\s]?{[\\s]*content:[\\s]?"\\\\f[a-f0-9]+"@m', $content, $matches)) {
    $icons = $matches[1];
    asort($icons);
    return array_combine($icons, $icons);
  }
  return [];
}