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| 1 | <?php |
| 2 | /** |
| 3 | * |
| 4 | * This file is part of the phpBB Forum Software package. |
| 5 | * |
| 6 | * @copyright (c) phpBB Limited <https://www.phpbb.com> |
| 7 | * @license GNU General Public License, version 2 (GPL-2.0) |
| 8 | * |
| 9 | * For full copyright and license information, please see |
| 10 | * the docs/CREDITS.txt file. |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | namespace phpbb\di; |
| 15 | |
| 16 | use Symfony\Component\DependencyInjection\ContainerInterface; |
| 17 | |
| 18 | /** |
| 19 | * Collection of services in a specified order |
| 20 | */ |
| 21 | class ordered_service_collection extends service_collection |
| 22 | { |
| 23 | /** |
| 24 | * @var bool |
| 25 | */ |
| 26 | protected $is_ordered; |
| 27 | |
| 28 | /** |
| 29 | * @var array |
| 30 | */ |
| 31 | protected $service_ids; |
| 32 | |
| 33 | /** |
| 34 | * Constructor |
| 35 | * |
| 36 | * @param ContainerInterface $container Container object |
| 37 | */ |
| 38 | public function __construct(ContainerInterface $container) |
| 39 | { |
| 40 | $this->is_ordered = false; |
| 41 | $this->service_ids = array(); |
| 42 | |
| 43 | parent::__construct($container); |
| 44 | } |
| 45 | |
| 46 | /** |
| 47 | * {@inheritdoc} |
| 48 | */ |
| 49 | public function getIterator(): \Iterator |
| 50 | { |
| 51 | if (!$this->is_ordered) |
| 52 | { |
| 53 | $this->sort_services(); |
| 54 | } |
| 55 | |
| 56 | return new service_collection_iterator($this); |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * {@inheritdoc} |
| 61 | */ |
| 62 | public function offsetExists($key): bool |
| 63 | { |
| 64 | if (!$this->is_ordered) |
| 65 | { |
| 66 | $this->sort_services(); |
| 67 | } |
| 68 | |
| 69 | return parent::offsetExists($key); |
| 70 | } |
| 71 | |
| 72 | /** |
| 73 | * {@inheritdoc} |
| 74 | */ |
| 75 | public function offsetGet($key): mixed |
| 76 | { |
| 77 | if (!$this->is_ordered) |
| 78 | { |
| 79 | $this->sort_services(); |
| 80 | } |
| 81 | |
| 82 | return parent::offsetGet($key); |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * Adds a service ID to the collection |
| 87 | * |
| 88 | * @param string $name |
| 89 | * @param int $order |
| 90 | */ |
| 91 | public function add($name, $order = 0) |
| 92 | { |
| 93 | $order = (int) $order; |
| 94 | $this->service_ids[$order][] = $name; |
| 95 | $this->is_ordered = false; |
| 96 | } |
| 97 | |
| 98 | protected function sort_services() |
| 99 | { |
| 100 | if ($this->is_ordered) |
| 101 | { |
| 102 | return; |
| 103 | } |
| 104 | |
| 105 | $this->exchangeArray(array()); |
| 106 | ksort($this->service_ids); |
| 107 | foreach ($this->service_ids as $service_order_group) |
| 108 | { |
| 109 | foreach ($service_order_group as $service_id) |
| 110 | { |
| 111 | $this->offsetSet($service_id, null); |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | $this->is_ordered = true; |
| 116 | } |
| 117 | } |