/var/www/vhosts/ihelp.ro/_OLD/vendor/cakephp/cakephp/src/View
Edit: /var/www/vhosts/ihelp.ro/_OLD/vendor/cakephp/cakephp/src/View/HelperRegistry.php (4853B)
*/
class HelperRegistry extends ObjectRegistry implements EventDispatcherInterface
{
use EventDispatcherTrait;
/**
* View object to use when making helpers.
*
* @var \Cake\View\View
*/
protected $_View;
/**
* Constructor
*
* @param \Cake\View\View $view View object.
*/
public function __construct(View $view)
{
$this->_View = $view;
$this->setEventManager($view->getEventManager());
}
/**
* Tries to lazy load a helper based on its name, if it cannot be found
* in the application folder, then it tries looking under the current plugin
* if any
*
* @param string $helper The helper name to be loaded
* @return bool whether the helper could be loaded or not
* @throws \Cake\View\Exception\MissingHelperException When a helper could not be found.
* App helpers are searched, and then plugin helpers.
*/
public function __isset(string $helper): bool
{
if (isset($this->_loaded[$helper])) {
return true;
}
try {
$this->load($helper);
} catch (MissingHelperException $exception) {
$plugin = $this->_View->getPlugin();
if (!empty($plugin)) {
$this->load($plugin . '.' . $helper);
return true;
}
}
if (!empty($exception)) {
throw $exception;
}
return true;
}
/**
* Provide public read access to the loaded objects
*
* @param string $name Name of property to read
* @return \Cake\View\Helper|null
*/
public function __get(string $name)
{
if (isset($this->_loaded[$name])) {
return $this->_loaded[$name];
}
if (isset($this->{$name})) {
return $this->_loaded[$name];
}
return null;
}
/**
* Resolve a helper classname.
*
* Part of the template method for Cake\Core\ObjectRegistry::load()
*
* @param string $class Partial classname to resolve.
* @return string|null Either the correct class name or null.
* @psalm-return class-string|null
*/
protected function _resolveClassName(string $class): ?string
{
return App::className($class, 'View/Helper', 'Helper');
}
/**
* Throws an exception when a helper is missing.
*
* Part of the template method for Cake\Core\ObjectRegistry::load()
* and Cake\Core\ObjectRegistry::unload()
*
* @param string $class The classname that is missing.
* @param string|null $plugin The plugin the helper is missing in.
* @return void
* @throws \Cake\View\Exception\MissingHelperException
*/
protected function _throwMissingClassError(string $class, ?string $plugin): void
{
throw new MissingHelperException([
'class' => $class . 'Helper',
'plugin' => $plugin,
]);
}
/**
* Create the helper instance.
*
* Part of the template method for Cake\Core\ObjectRegistry::load()
* Enabled helpers will be registered with the event manager.
*
* @param string $class The class to create.
* @param string $alias The alias of the loaded helper.
* @param array $settings An array of settings to use for the helper.
* @return \Cake\View\Helper The constructed helper class.
* @psalm-suppress MoreSpecificImplementedParamType
*/
protected function _create($class, string $alias, array $settings): Helper
{
/** @var \Cake\View\Helper $instance */
$instance = new $class($this->_View, $settings);
$enable = $settings['enabled'] ?? true;
if ($enable) {
$this->getEventManager()->on($instance);
}
return $instance;
}
}