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<?php |
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/* |
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* This file is part of the LaravelYaml package. |
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* |
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* (c) Théo FIDRY <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Fidry\LaravelYaml\FileLoader\Parser\Resolver; |
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use Fidry\LaravelYaml\DependencyInjection\Builder\BuilderInterface; |
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use Fidry\LaravelYaml\DependencyInjection\Definition\Reference; |
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use Symfony\Component\ExpressionLanguage\Expression; |
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/** |
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* @author Théo FIDRY <[email protected]> |
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*/ |
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final class ServiceResolver implements ResolverInterface |
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{ |
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/** |
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* Resolves the given value. |
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* |
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* @example |
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* ::resolve("@=something") => return an Expression |
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* ::resolve("@something") => will resolve the service reference to return a Reference object |
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* ::resolve($arrayValue) => will recursively resolve the values |
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* Other values are left unchanged |
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* |
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* @param mixed $value |
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* |
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* @return mixed|Expression|Reference |
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*/ |
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public function resolve($value) |
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{ |
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if (is_array($value)) { |
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return array_map([$this, 'resolve'], $value); |
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} |
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if (is_string($value) && 0 === strpos($value, '@=')) { |
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return new Expression(substr($value, 2)); |
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} |
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if (is_string($value) && 0 === strpos($value, '@')) { |
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return $this->resolveServiceReferenceValue($value); |
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} |
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return $value; |
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} |
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/** |
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* @param string $value Service reference |
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* |
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* @example |
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* "@@dummy" |
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* "@?dummy" |
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* "@<something>" |
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* |
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* @return Reference |
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*/ |
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private function resolveServiceReferenceValue($value) |
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{ |
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$value = substr($value, 1); |
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$invalidBehavior = BuilderInterface::EXCEPTION_ON_INVALID_REFERENCE; |
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if (0 === strpos($value, '@')) { |
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$invalidBehavior = null; |
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} elseif (0 === strpos($value, '?')) { |
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$value = substr($value, 1); |
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$invalidBehavior = BuilderInterface::IGNORE_ON_INVALID_REFERENCE; |
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} |
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return new Reference($value, $invalidBehavior); |
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} |
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} |
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theofidry /
LaravelYaml
