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<?php |
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declare(strict_types=1); |
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/** |
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* @copyright 2020 Christoph Wurst <[email protected]> |
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* |
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* @author 2020 Christoph Wurst <[email protected]> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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namespace OC\AppFramework\Bootstrap; |
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use Closure; |
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use OCP\AppFramework\QueryException; |
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use OCP\IContainer; |
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use ReflectionFunction; |
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use ReflectionParameter; |
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use function array_map; |
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class FunctionInjector { |
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/** @var IContainer */ |
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private $container; |
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public function __construct(IContainer $container) { |
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$this->container = $container; |
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} |
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public function injectFn(callable $fn) { |
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$reflected = new ReflectionFunction(Closure::fromCallable($fn)); |
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return $fn(...array_map(function (ReflectionParameter $param) { |
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// First we try by type (more likely these days) |
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if (($type = $param->getType()) !== null) { |
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try { |
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return $this->container->query($type->getName()); |
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} catch (QueryException $ex) { |
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// Ignore and try name as well |
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} |
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} |
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// Second we try by name (mostly for primitives) |
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try { |
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return $this->container->query($param->getName()); |
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} catch (QueryException $ex) { |
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// As a last resort we pass `null` if allowed |
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if ($type !== null && $type->allowsNull()) { |
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return null; |
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} |
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// Nothing worked, time to bail out |
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throw $ex; |
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} |
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}, $reflected->getParameters())); |
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} |
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} |
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nextcloud /
server
