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<?php namespace Illuminate\Routing;
use Closure;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
abstract class Controller {
/**
* The "before" filters registered on the controller.
*
* @var array
*/
protected $beforeFilters = array();
/**
* The "after" filters registered on the controller.
*
* @var array
*/
protected $afterFilters = array();
/**
* The route filterer implementation.
*
* @var \Illuminate\Routing\RouteFiltererInterface
*/
protected static $filterer;
/**
* The layout used by the controller.
*
* @var \Illuminate\View\View
*/
protected $layout;
/**
* Register a "before" filter on the controller.
*
* @param \Closure|string $filter
* @param array $options
* @return void
*/
public function beforeFilter($filter, array $options = array())
{
$this->beforeFilters[] = $this->parseFilter($filter, $options);
}
/**
* Register an "after" filter on the controller.
*
* @param \Closure|string $filter
* @param array $options
* @return void
*/
public function afterFilter($filter, array $options = array())
{
$this->afterFilters[] = $this->parseFilter($filter, $options);
}
/**
* Parse the given filter and options.
*
* @param \Closure|string $filter
* @param array $options
* @return array
*/
protected function parseFilter($filter, array $options)
{
$parameters = array();
$original = $filter;
if ($filter instanceof Closure)
{
$filter = $this->registerClosureFilter($filter);
}
elseif ($this->isInstanceFilter($filter))
{
$filter = $this->registerInstanceFilter($filter);
}
else
{
list($filter, $parameters) = Route::parseFilter($filter);
}
return compact('original', 'filter', 'parameters', 'options');
}
/**
* Register an anonymous controller filter Closure.
*
* @param \Closure $filter
* @return string
*/
protected function registerClosureFilter(Closure $filter)
{
$this->getFilterer()->filter($name = spl_object_hash($filter), $filter);
return $name;
}
/**
* Register a controller instance method as a filter.
*
* @param string $filter
* @return string
*/
protected function registerInstanceFilter($filter)
{
$this->getFilterer()->filter($filter, array($this, substr($filter, 1)));
return $filter;
}
/**
* Determine if a filter is a local method on the controller.
*
* @param mixed $filter
* @return boolean
*
* @throws \InvalidArgumentException
*/
protected function isInstanceFilter($filter)
{
if (is_string($filter) && starts_with($filter, '@'))
{
if (method_exists($this, substr($filter, 1))) return true;
throw new \InvalidArgumentException("Filter method [$filter] does not exist.");
}
return false;
}
/**
* Remove the given before filter.
*
* @param string $filter
* @return void
*/
public function forgetBeforeFilter($filter)
{
$this->beforeFilters = $this->removeFilter($filter, $this->getBeforeFilters());
}
/**
* Remove the given after filter.
*
* @param string $filter
* @return void
*/
public function forgetAfterFilter($filter)
{
$this->afterFilters = $this->removeFilter($filter, $this->getAfterFilters());
}
/**
* Remove the given controller filter from the provided filter array.
*
* @param string $removing
* @param array $current
* @return array
*/
protected function removeFilter($removing, $current)
{
return array_filter($current, function($filter) use ($removing)
{
return $filter['original'] != $removing;
});
}
/**
* Get the registered "before" filters.
*
* @return array
*/
public function getBeforeFilters()
{
return $this->beforeFilters;
}
/**
* Get the registered "after" filters.
*
* @return array
*/
public function getAfterFilters()
{
return $this->afterFilters;
}
/**
* Get the route filterer implementation.
*
* @return \Illuminate\Routing\RouteFiltererInterface
*/
public static function getFilterer()
{
return static::$filterer;
}
/**
* Set the route filterer implementation.
*
* @param \Illuminate\Routing\RouteFiltererInterface $filterer
* @return void
*/
public static function setFilterer(RouteFiltererInterface $filterer)
{
static::$filterer = $filterer;
}
/**
* Create the layout used by the controller.
*
* @return void
*/
protected function setupLayout() {}
/**
* Execute an action on the controller.
*
* @param string $method
* @param array $parameters
* @return \Symfony\Component\HttpFoundation\Response
*/
public function callAction($method, $parameters)
{
$this->setupLayout();
$response = call_user_func_array(array($this, $method), $parameters);
// If no response is returned from the controller action and a layout is being
// used we will assume we want to just return the layout view as any nested
// views were probably bound on this view during this controller actions.
if (is_null($response) && ! is_null($this->layout))
{
$response = $this->layout;
}
return $response;
}
/**
* Handle calls to missing methods on the controller.
*
* @param array $parameters
* @return mixed
*
* @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException
*/
public function missingMethod($parameters = array())
{
throw new NotFoundHttpException("Controller method not found.");
}
/**
* Handle calls to missing methods on the controller.
*
* @param string $method
* @param array $parameters
* @return mixed
*
* @throws \BadMethodCallException
*/
public function __call($method, $parameters)
{
throw new \BadMethodCallException("Method [$method] does not exist.");
}
}
|
Revision |
Author |
Commited |
Message |
1464
|
MOliva
|
Tue 13 Oct, 2020 11:16:56 +0000 |
|