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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Definitions\Helpers; |
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use Yiisoft\Definitions\ArrayDefinition; |
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use Yiisoft\Definitions\CallableDefinition; |
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use Yiisoft\Definitions\Contract\DefinitionInterface; |
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use Yiisoft\Definitions\Contract\ReferenceInterface; |
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use Yiisoft\Definitions\Exception\InvalidConfigException; |
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use Yiisoft\Definitions\Reference; |
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use Yiisoft\Definitions\ValueDefinition; |
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use function array_key_exists; |
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use function is_array; |
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use function is_callable; |
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use function is_object; |
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use function is_string; |
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/** |
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* Normalizer definition from configuration to an instance of {@see DefinitionInterface}. |
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* |
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* @psalm-import-type ArrayDefinitionConfig from ArrayDefinition |
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*/ |
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final class Normalizer |
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{ |
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/** |
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* Normalize definition to an instance of {@see DefinitionInterface}. |
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* Definition may be defined multiple ways: |
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* - class name, |
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* - string as reference to another class or alias, |
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* - instance of {@see ReferenceInterface}, |
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* - callable, |
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* - array, |
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* - ready object. |
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* |
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* @param mixed $definition The definition for normalization. |
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* @param string $class The class name of the object to be defined (optional). It is used in two cases. |
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* - The definition is a string, and class name equals to definition. Returned `ArrayDefinition` with defined |
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* class. |
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* - The definition is an array without class name. Class name will be added to array and `ArrayDefinition` |
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* will be returned. |
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* |
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* @throws InvalidConfigException If configuration is not valid. |
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* |
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* @return DefinitionInterface Normalized definition as an object. |
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*/ |
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public static function normalize($definition, string $class = null): DefinitionInterface |
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{ |
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// Reference |
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if ($definition instanceof ReferenceInterface) { |
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return $definition; |
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} |
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if (is_string($definition)) { |
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// Current class |
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if ( |
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$class === $definition || |
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($class === null && class_exists($definition)) |
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) { |
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/** @psalm-var class-string $definition */ |
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1 |
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return ArrayDefinition::fromPreparedData($definition); |
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} |
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// Reference to another class or alias |
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3 |
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return Reference::to($definition); |
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} |
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// Callable definition |
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if (is_callable($definition, true)) { |
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return new CallableDefinition($definition); |
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} |
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// Array definition |
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if (is_array($definition)) { |
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$config = $definition; |
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if (!array_key_exists(ArrayDefinition::CLASS_NAME, $config)) { |
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if ($class === null) { |
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throw new InvalidConfigException('Array definition should contain the key "class": ' . var_export($definition, true)); |
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} |
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$config[ArrayDefinition::CLASS_NAME] = $class; |
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} |
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/** @psalm-var ArrayDefinitionConfig $config */ |
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return ArrayDefinition::fromConfig($config); |
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} |
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// Ready object |
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2 |
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if (is_object($definition) && !($definition instanceof DefinitionInterface)) { |
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return new ValueDefinition($definition); |
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} |
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throw new InvalidConfigException('Invalid definition: ' . var_export($definition, true)); |
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} |
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} |
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yiisoft /
definitions
