Code Coverage |
||||||||||
Classes and Traits |
Functions and Methods |
Lines |
||||||||
Total | |
0.00% |
0 / 1 |
|
50.00% |
3 / 6 |
CRAP | |
89.36% |
42 / 47 |
RouteBuilder | |
0.00% |
0 / 1 |
|
50.00% |
3 / 6 |
16.31 | |
89.36% |
42 / 47 |
__construct | |
100.00% |
1 / 1 |
1 | |
100.00% |
7 / 7 |
|||
setRebuildNeeded | |
100.00% |
1 / 1 |
1 | |
100.00% |
2 / 2 |
|||
rebuild | |
0.00% |
0 / 1 |
10 | |
96.77% |
30 / 31 |
|||
rebuildIfNeeded | |
100.00% |
1 / 1 |
2 | |
100.00% |
3 / 3 |
|||
destruct | |
0.00% |
0 / 1 |
2 | |
0.00% |
0 / 2 |
|||
getRouteDefinitions | |
0.00% |
0 / 1 |
2 | |
0.00% |
0 / 2 |
<?php | |
/** | |
* @file | |
* Contains \Drupal\Core\Routing\RouteBuilder. | |
*/ | |
namespace Drupal\Core\Routing; | |
use Drupal\Component\Discovery\YamlDiscovery; | |
use Drupal\Core\Access\CheckProviderInterface; | |
use Drupal\Core\Controller\ControllerResolverInterface; | |
use Drupal\Core\Extension\ModuleHandlerInterface; | |
use Drupal\Core\Lock\LockBackendInterface; | |
use Drupal\Core\DestructableInterface; | |
use Symfony\Component\EventDispatcher\Event; | |
use Symfony\Component\EventDispatcher\EventDispatcherInterface; | |
use Symfony\Component\Routing\RouteCollection; | |
use Symfony\Component\Routing\Route; | |
/** | |
* Managing class for rebuilding the router table. | |
*/ | |
class RouteBuilder implements RouteBuilderInterface, DestructableInterface { | |
/** | |
* The dumper to which we should send collected routes. | |
* | |
* @var \Drupal\Core\Routing\MatcherDumperInterface | |
*/ | |
protected $dumper; | |
/** | |
* The used lock backend instance. | |
* | |
* @var \Drupal\Core\Lock\LockBackendInterface $lock | |
*/ | |
protected $lock; | |
/** | |
* The event dispatcher to notify of routes. | |
* | |
* @var \Symfony\Component\EventDispatcher\EventDispatcherInterface | |
*/ | |
protected $dispatcher; | |
/** | |
* The module handler. | |
* | |
* @var \Drupal\Core\Extension\ModuleHandlerInterface | |
*/ | |
protected $moduleHandler; | |
/** | |
* The controller resolver. | |
* | |
* @var \Drupal\Core\Controller\ControllerResolverInterface | |
*/ | |
protected $controllerResolver; | |
/** | |
* The route collection during the rebuild. | |
* | |
* @var \Symfony\Component\Routing\RouteCollection | |
*/ | |
protected $routeCollection; | |
/** | |
* Flag that indicates if we are currently rebuilding the routes. | |
* | |
* @var bool | |
*/ | |
protected $building = FALSE; | |
/** | |
* Flag that indicates if we should rebuild at the end of the request. | |
* | |
* @var bool | |
*/ | |
protected $rebuildNeeded = FALSE; | |
/** | |
* The check provider. | |
* | |
* @var \Drupal\Core\Access\CheckProviderInterface | |
*/ | |
protected $checkProvider; | |
/** | |
* Constructs the RouteBuilder using the passed MatcherDumperInterface. | |
* | |
* @param \Drupal\Core\Routing\MatcherDumperInterface $dumper | |
* The matcher dumper used to store the route information. | |
* @param \Drupal\Core\Lock\LockBackendInterface $lock | |
* The lock backend. | |
* @param \Symfony\Component\EventDispatcher\EventDispatcherInterface $dispatcher | |
* The event dispatcher to notify of routes. | |
* @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler | |
* The module handler. | |
* @param \Drupal\Core\Controller\ControllerResolverInterface $controller_resolver | |
* The controller resolver. | |
* @param \Drupal\Core\Access\CheckProviderInterface $check_provider | |
* The check provider. | |
*/ | |
public function __construct(MatcherDumperInterface $dumper, LockBackendInterface $lock, EventDispatcherInterface $dispatcher, ModuleHandlerInterface $module_handler, ControllerResolverInterface $controller_resolver, CheckProviderInterface $check_provider) { | |
$this->dumper = $dumper; | |
$this->lock = $lock; | |
$this->dispatcher = $dispatcher; | |
$this->moduleHandler = $module_handler; | |
$this->controllerResolver = $controller_resolver; | |
$this->checkProvider = $check_provider; | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public function setRebuildNeeded() { | |
$this->rebuildNeeded = TRUE; | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public function rebuild() { | |
if ($this->building) { | |
throw new \RuntimeException('Recursive router rebuild detected.'); | |
} | |
if (!$this->lock->acquire('router_rebuild')) { | |
// Wait for another request that is already doing this work. | |
// We choose to block here since otherwise the routes might not be | |
// available, resulting in a 404. | |
$this->lock->wait('router_rebuild'); | |
return FALSE; | |
} | |
$this->building = TRUE; | |
$collection = new RouteCollection(); | |
foreach ($this->getRouteDefinitions() as $routes) { | |
// The top-level 'routes_callback' is a list of methods in controller | |
// syntax, see \Drupal\Core\Controller\ControllerResolver. These methods | |
// should return a set of \Symfony\Component\Routing\Route objects, either | |
// in an associative array keyed by the route name, which will be iterated | |
// over and added to the collection for this provider, or as a new | |
// \Symfony\Component\Routing\RouteCollection object, which will be added | |
// to the collection. | |
if (isset($routes['route_callbacks'])) { | |
foreach ($routes['route_callbacks'] as $route_callback) { | |
$callback = $this->controllerResolver->getControllerFromDefinition($route_callback); | |
if ($callback_routes = call_user_func($callback)) { | |
// If a RouteCollection is returned, add the whole collection. | |
if ($callback_routes instanceof RouteCollection) { | |
$collection->addCollection($callback_routes); | |
} | |
// Otherwise, add each Route object individually. | |
else { | |
foreach ($callback_routes as $name => $callback_route) { | |
$collection->add($name, $callback_route); | |
} | |
} | |
} | |
} | |
unset($routes['route_callbacks']); | |
} | |
foreach ($routes as $name => $route_info) { | |
$route_info += array( | |
'defaults' => array(), | |
'requirements' => array(), | |
'options' => array(), | |
'host' => NULL, | |
'schemes' => array(), | |
'methods' => array(), | |
'condition' => '', | |
); | |
$route = new Route($route_info['path'], $route_info['defaults'], $route_info['requirements'], $route_info['options'], $route_info['host'], $route_info['schemes'], $route_info['methods'], $route_info['condition']); | |
$collection->add($name, $route); | |
} | |
} | |
// DYNAMIC is supposed to be used to add new routes based upon all the | |
// static defined ones. | |
$this->dispatcher->dispatch(RoutingEvents::DYNAMIC, new RouteBuildEvent($collection)); | |
// ALTER is the final step to alter all the existing routes. We cannot stop | |
// people from adding new routes here, but we define two separate steps to | |
// make it clear. | |
$this->dispatcher->dispatch(RoutingEvents::ALTER, new RouteBuildEvent($collection)); | |
$this->checkProvider->setChecks($collection); | |
$this->dumper->addRoutes($collection); | |
$this->dumper->dump(); | |
$this->lock->release('router_rebuild'); | |
$this->dispatcher->dispatch(RoutingEvents::FINISHED, new Event()); | |
$this->building = FALSE; | |
$this->rebuildNeeded = FALSE; | |
return TRUE; | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public function rebuildIfNeeded() { | |
if ($this->rebuildNeeded) { | |
return $this->rebuild(); | |
} | |
return FALSE; | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public function destruct() { | |
// Rebuild routes only once at the end of the request lifecycle to not | |
// trigger multiple rebuilds and also make the page more responsive for the | |
// user. | |
$this->rebuildIfNeeded(); | |
} | |
/** | |
* Retrieves all defined routes from .routing.yml files. | |
* | |
* @return array | |
* The defined routes, keyed by provider. | |
*/ | |
protected function getRouteDefinitions() { | |
// Always instantiate a new YamlDiscovery object so that we always search on | |
// the up-to-date list of modules. | |
$discovery = new YamlDiscovery('routing', $this->moduleHandler->getModuleDirectories()); | |
return $discovery->findAll(); | |
} | |
} |