Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Render/ElementInfoManager.php \Drupal\Core\Render\ElementInfoManager::buildInfo()
2. 8.9.x core/lib/Drupal/Core/Render/ElementInfoManager.php \Drupal\Core\Render\ElementInfoManager::buildInfo()
3. 11.x core/lib/Drupal/Core/Render/ElementInfoManager.php \Drupal\Core\Render\ElementInfoManager::buildInfo()

Builds up all element information.

Parameters

string $theme_name: The theme name.

Return value

array

1 call to ElementInfoManager::buildInfo()

ElementInfoManager::getInfo in core/lib/Drupal/Core/Render/ElementInfoManager.php

File

core/lib/Drupal/Core/Render/ElementInfoManager.php, line 116

Class

ElementInfoManager

Provides a plugin manager for element plugins.

Namespace

Drupal\Core\Render

Code

protected function buildInfo($theme_name) {
  // Get cached definitions.
  $cid = $this->getCid($theme_name);
  if ($cache = $this->cacheBackend
    ->get($cid)) {
    return $cache->data;
  }
  // Otherwise, rebuild and cache.
  $info = [];
  $previous_error_handler = set_error_handler(function ($severity, $message, $file, $line) use (&$previous_error_handler) {
    // Ignore deprecations while building element information.
    if ($severity === E_USER_DEPRECATED) {
      // Don't execute PHP internal error handler.
      return TRUE;
    }
    if ($previous_error_handler) {
      return $previous_error_handler($severity, $message, $file, $line);
    }
  });
  foreach ($this->getDefinitions() as $element_type => $definition) {
    $element = $this->createInstance($element_type);
    $element_info = $element->getInfo();
    // If this is element is to be used exclusively in a form, denote that it
    // will receive input, and assign the value callback.
    if ($element instanceof FormElementInterface) {
      $element_info['#input'] = TRUE;
      $element_info['#value_callback'] = [
        $definition['class'],
        'valueCallback',
      ];
    }
    $info[$element_type] = $element_info;
  }
  restore_error_handler();
  foreach ($info as $element_type => $element) {
    $info[$element_type]['#type'] = $element_type;
  }
  // Allow modules to alter the element type defaults.
  $this->moduleHandler
    ->alter('element_info', $info);
  $this->themeManager
    ->alter('element_info', $info);
  $this->cacheBackend
    ->set($cid, $info);
  return $info;
}

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