blob: 508e111650b4169e6b7f300b9b2ca8d09fa480f5 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
<?php
namespace Drupal\Core\EventSubscriber;
use Drupal\Core\State\StateInterface;
use Drupal\Core\Routing\RouteBuildEvent;
use Drupal\Core\Routing\RoutingEvents;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
/**
* Provides all available first bits of all route paths.
*/
class PathRootsSubscriber implements EventSubscriberInterface {
/**
* Stores the path roots available in the router.
*
* A path root is the first virtual directory of a path, like 'admin', 'node'
* or 'user'.
*
* @var array
*/
protected $pathRoots = [];
/**
* The state key value store.
*
* @var \Drupal\Core\State\StateInterface
*/
protected $state;
/**
* Constructs a new PathRootsSubscriber instance.
*
* @param \Drupal\Core\State\StateInterface $state
* The state key value store.
*/
public function __construct(StateInterface $state) {
$this->state = $state;
}
/**
* Collects all path roots.
*
* @param \Drupal\Core\Routing\RouteBuildEvent $event
* The route build event.
*/
public function onRouteAlter(RouteBuildEvent $event) {
$collection = $event->getRouteCollection();
foreach ($collection->all() as $route) {
$bits = explode('/', ltrim($route->getPath(), '/'));
$this->pathRoots[$bits[0]] = $bits[0];
}
}
/**
* {@inheritdoc}
*/
public function onRouteFinished() {
$this->state->set('router.path_roots', array_keys($this->pathRoots));
$this->pathRoots = [];
}
/**
* {@inheritdoc}
*/
public static function getSubscribedEvents(): array {
$events = [];
// Try to set a low priority to ensure that all routes are already added.
$events[RoutingEvents::ALTER][] = ['onRouteAlter', -1024];
$events[RoutingEvents::FINISHED][] = ['onRouteFinished'];
return $events;
}
}
|
