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| <?php | |
| /** | |
| * | |
| * This file is part of the phpBB Forum Software package. | |
| * | |
| * @copyright (c) phpBB Limited <https://www.phpbb.com> | |
| * @license GNU General Public License, version 2 (GPL-2.0) | |
| * | |
| * For full copyright and license information, please see | |
| * the docs/CREDITS.txt file. | |
| * | |
| */ | |
| namespace phpbb\di; | |
| use Symfony\Component\DependencyInjection\ContainerInterface; | |
| /** | |
| * Collection of services in a specified order | |
| */ | |
| class ordered_service_collection extends service_collection | |
| { | |
| /** | |
| * @var bool | |
| */ | |
| protected $is_ordered; | |
| /** | |
| * @var array | |
| */ | |
| protected $service_ids; | |
| /** | |
| * Constructor | |
| * | |
| * @param ContainerInterface $container Container object | |
| */ | |
| public function __construct(ContainerInterface $container) | |
| { | |
| $this->is_ordered = false; | |
| $this->service_ids = array(); | |
| parent::__construct($container); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getIterator() | |
| { | |
| if (!$this->is_ordered) | |
| { | |
| $this->sort_services(); | |
| } | |
| return new service_collection_iterator($this); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function offsetExists($index) | |
| { | |
| if (!$this->is_ordered) | |
| { | |
| $this->sort_services(); | |
| } | |
| return parent::offsetExists($index); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function offsetGet($index) | |
| { | |
| if (!$this->is_ordered) | |
| { | |
| $this->sort_services(); | |
| } | |
| return parent::offsetGet($index); | |
| } | |
| /** | |
| * Adds a service ID to the collection | |
| * | |
| * @param string $service_id | |
| * @param int $order | |
| */ | |
| public function add($service_id, $order = 0) | |
| { | |
| $order = (int) $order; | |
| $this->service_ids[$order][] = $service_id; | |
| $this->is_ordered = false; | |
| } | |
| protected function sort_services() | |
| { | |
| if ($this->is_ordered) | |
| { | |
| return; | |
| } | |
| $this->exchangeArray(array()); | |
| ksort($this->service_ids); | |
| foreach ($this->service_ids as $service_order_group) | |
| { | |
| foreach ($service_order_group as $service_id) | |
| { | |
| $this->offsetSet($service_id, null); | |
| } | |
| } | |
| $this->is_ordered = true; | |
| } | |
| } |