function _swagger_ui_formatter_get_svg_definition in Swagger UI Field Formatter 8.2

Gets Swagger UI related SVG definition.

Since Swagger UI v3.13.4 there is no need to include the <svg> tag in HTML.

Return value

string|null The required <svg> tag as a HTML string or NULL if it doesn't exist.

See also

https://github.com/swagger-api/swagger-ui/releases/tag/v3.13.4

1 call to _swagger_ui_formatter_get_svg_definition()

SwaggerUIFormatterTrait::buildRenderArray in src/Plugin/Field/FieldFormatter/SwaggerUIFormatterTrait.php

Builds a render array from a field.

File

./swagger_ui_formatter.module, line 153

Main module file for Swagger UI Field Formatter.

Code

function _swagger_ui_formatter_get_svg_definition() {
  if ($cache = \Drupal::cache()
    ->get(SWAGGER_UI_FORMATTER_SVG_DEFINITION_CID)) {
    return $cache->data;
  }
  $library_path = _swagger_ui_formatter_get_library_path();
  if ($library_path && file_exists(DRUPAL_ROOT . $library_path . '/dist/index.html')) {
    $dom_crawler = new Crawler(file_get_contents(DRUPAL_ROOT . $library_path . '/dist/index.html'));
    $dom_crawler = $dom_crawler
      ->filterXPath('descendant-or-self::body/svg');
    if ($domElement = $dom_crawler
      ->getNode(0)) {
      $svg = $domElement->ownerDocument
        ->saveHTML($domElement);
      \Drupal::cache()
        ->set(SWAGGER_UI_FORMATTER_SVG_DEFINITION_CID, $svg);
      return $svg;
    }
  }
  return NULL;
}