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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Factory\Definitions; |
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use Psr\Container\ContainerInterface; |
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use Yiisoft\Factory\Exceptions\InvalidConfigException; |
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use Yiisoft\Factory\Exceptions\NotInstantiableException; |
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use Yiisoft\Factory\Extractors\DefinitionExtractor; |
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/** |
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* Builds object by ArrayDefinition. |
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*/ |
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class ArrayBuilder |
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{ |
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private static ?DefinitionExtractor $extractor = null; |
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private static array $dependencies = []; |
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/** |
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* @param ContainerInterface $container |
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* @param ArrayDefinition $definition |
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* @return object |
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* @throws NotInstantiableException |
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* @throws InvalidConfigException |
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*/ |
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public function build(ContainerInterface $container, ArrayDefinition $definition) |
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{ |
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$class = $definition->getClass(); |
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$dependencies = $this->getDependencies($class); |
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$parameters = $definition->getParams(); |
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$this->injectParameters($dependencies, $parameters); |
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$resolved = DefinitionResolver::resolveArray($container, $dependencies); |
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$object = new $class(...array_values($resolved)); |
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return $this->configure($container, $object, $definition->getConfig()); |
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} |
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/** |
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* @param array $dependencies |
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* @param array $parameters |
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* @throws InvalidConfigException |
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*/ |
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private function injectParameters(array &$dependencies, array $parameters): void |
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{ |
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$isIntegerIndexed = $this->isIntegerIndexed($parameters); |
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$dependencyIndex = 0; |
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$usedParameters = []; |
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$isVariadic = false; |
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foreach ($dependencies as $key => &$value) { |
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if ($value instanceof ParameterDefinition && $value->getParameter()->isVariadic()) { |
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$isVariadic = true; |
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} |
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$index = $isIntegerIndexed ? $dependencyIndex : $key; |
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if (array_key_exists($index, $parameters)) { |
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$value = DefinitionResolver::ensureResolvable($parameters[$index]); |
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$usedParameters[$index] = 1; |
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} |
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$dependencyIndex++; |
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} |
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unset($value); |
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if ($isVariadic) { |
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foreach ($parameters as $index => $value) { |
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if (!isset($usedParameters[$index])) { |
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$dependencies[$index] = DefinitionResolver::ensureResolvable($value); |
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} |
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} |
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} |
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} |
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private function isIntegerIndexed(array $parameters): bool |
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{ |
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$hasStringIndex = false; |
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$hasIntegerIndex = false; |
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foreach ($parameters as $index => $parameter) { |
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if (is_string($index)) { |
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$hasStringIndex = true; |
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if ($hasIntegerIndex) { |
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break; |
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} |
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} else { |
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$hasIntegerIndex = true; |
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if ($hasStringIndex) { |
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break; |
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} |
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} |
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} |
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if ($hasIntegerIndex && $hasStringIndex) { |
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throw new InvalidConfigException( |
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'Parameters indexed both by name and by position are not allowed in the same array.' |
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); |
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} |
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return $hasIntegerIndex; |
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} |
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/** |
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* Returns the dependencies of the specified class. |
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* @param string $class class name, interface name or alias name |
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* @return DefinitionInterface[] the dependencies of the specified class. |
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* @throws NotInstantiableException |
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* @internal |
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*/ |
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private function getDependencies(string $class): array |
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{ |
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if (!isset(self::$dependencies[$class])) { |
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self::$dependencies[$class] = $this->getExtractor()->fromClassName($class); |
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} |
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return self::$dependencies[$class]; |
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} |
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private function getExtractor(): DefinitionExtractor |
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{ |
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if (static::$extractor === null) { |
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// For now use hard coded extractor. |
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static::$extractor = new DefinitionExtractor(); |
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} |
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return static::$extractor; |
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} |
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/** |
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* Configures an object with the given configuration. |
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* @param ContainerInterface $container |
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* @param object $object the object to be configured |
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* @param iterable $config property values and methods to call |
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* @return object the object itself |
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*/ |
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private function configure(ContainerInterface $container, $object, iterable $config) |
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{ |
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foreach ($config as $action => $arguments) { |
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if (substr($action, -2) === '()') { |
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// method call |
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$setter = \call_user_func_array([$object, substr($action, 0, -2)], $arguments); |
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if ($setter instanceof $object) { |
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$object = $setter; |
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} |
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} else { |
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// property |
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if ($arguments instanceof DefinitionInterface) { |
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$arguments = $arguments->resolve($container); |
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} |
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$object->$action = $arguments; |
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} |
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} |
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35 |
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return $object; |
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} |
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} |
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yiisoft /
factory
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