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<?php |
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/** |
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* PHP-DI |
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* |
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* @link http://mnapoli.github.com/PHP-DI/ |
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* @copyright Matthieu Napoli (http://mnapoli.fr/) |
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* @license http://www.opensource.org/licenses/mit-license.php MIT (see the LICENSE file) |
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*/ |
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|
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namespace Cybot\Dependencies\DI\Definition\Resolver; |
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|
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use Cybot\Dependencies\DI\Definition\ArrayDefinition; |
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use Cybot\Dependencies\DI\Definition\Definition; |
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use Cybot\Dependencies\DI\Definition\Helper\DefinitionHelper; |
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use Cybot\Dependencies\DI\DependencyException; |
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use Exception; |
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|
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/** |
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* Resolves an array definition to a value. |
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* |
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* @since 5.0 |
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* @author Matthieu Napoli <[email protected]> |
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*/ |
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class ArrayResolver implements DefinitionResolver |
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{ |
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/** |
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* @var DefinitionResolver |
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*/ |
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private $definitionResolver; |
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|
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/** |
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* @param DefinitionResolver $definitionResolver Used to resolve nested definitions. |
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*/ |
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public function __construct(DefinitionResolver $definitionResolver) |
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{ |
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$this->definitionResolver = $definitionResolver; |
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} |
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|
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/** |
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* Resolve an array definition to a value. |
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* |
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* An array definition can contain simple values or references to other entries. |
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* |
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* @param ArrayDefinition $definition |
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* |
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* {@inheritdoc} |
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*/ |
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public function resolve(Definition $definition, array $parameters = []) |
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{ |
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$this->assertIsArrayDefinition($definition); |
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|
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$values = $definition->getValues(); |
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|
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$values = $this->resolveNestedDefinitions($definition, $values); |
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|
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return $values; |
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} |
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|
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/** |
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* {@inheritdoc} |
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*/ |
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public function isResolvable(Definition $definition, array $parameters = []) |
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{ |
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$this->assertIsArrayDefinition($definition); |
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|
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return true; |
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} |
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|
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private function assertIsArrayDefinition(Definition $definition) |
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{ |
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if (!$definition instanceof ArrayDefinition) { |
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throw new \InvalidArgumentException(sprintf( |
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'This definition resolver is only compatible with ArrayDefinition objects, %s given', |
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get_class($definition) |
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)); |
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} |
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} |
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|
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private function resolveNestedDefinitions(ArrayDefinition $definition, array $values) |
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{ |
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foreach ($values as $key => $value) { |
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if ($value instanceof DefinitionHelper) { |
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$values[$key] = $this->resolveDefinition($value, $definition, $key); |
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} |
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} |
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|
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return $values; |
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} |
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|
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private function resolveDefinition(DefinitionHelper $value, ArrayDefinition $definition, $key) |
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{ |
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try { |
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return $this->definitionResolver->resolve($value->getDefinition('')); |
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} catch (DependencyException $e) { |
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throw $e; |
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} catch (Exception $e) { |
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throw new DependencyException(sprintf( |
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"Error while resolving %s[%s]. %s", |
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$definition->getName(), |
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$key, |
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$e->getMessage() |
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), 0, $e); |
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} |
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} |
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} |
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|
