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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Definitions; |
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use Psr\Container\ContainerInterface; |
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use ReflectionNamedType; |
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use ReflectionParameter; |
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use ReflectionUnionType; |
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use Yiisoft\Definitions\Contract\DefinitionInterface; |
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use Yiisoft\Definitions\Exception\NotInstantiableException; |
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/** |
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* Parameter definition resolves an object based on information from `ReflectionParameter` instance. |
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*/ |
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final class ParameterDefinition implements DefinitionInterface |
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{ |
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private ReflectionParameter $parameter; |
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public function __construct(ReflectionParameter $parameter) |
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{ |
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$this->parameter = $parameter; |
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} |
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public function isVariadic(): bool |
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{ |
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return $this->parameter->isVariadic(); |
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} |
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public function isOptional(): bool |
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{ |
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return $this->parameter->isOptional(); |
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} |
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public function hasValue(): bool |
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{ |
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return $this->parameter->isDefaultValueAvailable(); |
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} |
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public function resolve(ContainerInterface $container) |
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{ |
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if ($this->parameter->isDefaultValueAvailable()) { |
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return $this->parameter->getDefaultValue(); |
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} |
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if ($this->isOptional()) { |
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throw new NotInstantiableException( |
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sprintf( |
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'Can not determine default value of parameter "%s" when instantiating "%s" ' . |
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'because it is PHP internal. Please specify argument explicitly.', |
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$this->parameter->getName(), |
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$this->getCallable(), |
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) |
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); |
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} |
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throw new NotInstantiableException( |
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sprintf( |
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'Can not determine value of the "%s" parameter of type "%s" when instantiating "%s". ' . |
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'Please specify argument explicitly.', |
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$this->parameter->getName(), |
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$this->getType(), |
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$this->getCallable(), |
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) |
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); |
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} |
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private function getType(): string |
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{ |
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/** |
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* @psalm-suppress UndefinedDocblockClass |
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* |
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* @var ReflectionNamedType|ReflectionUnionType $type Could not be `null` |
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* because in self::resolve() checked `$this->parameter->allowsNull()`. |
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*/ |
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$type = $this->parameter->getType(); |
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/** @psalm-suppress UndefinedClass, TypeDoesNotContainType */ |
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if ($type instanceof ReflectionUnionType) { |
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/** @var ReflectionNamedType[] */ |
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$namedTypes = $type->getTypes(); |
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$names = array_map( |
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static fn (ReflectionNamedType $t) => $t->getName(), |
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$namedTypes |
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); |
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return implode('|', $names); |
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} |
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/** @var ReflectionNamedType $type */ |
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return $type->getName(); |
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} |
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private function getCallable(): string |
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{ |
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$callable = []; |
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$class = $this->parameter->getDeclaringClass(); |
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if ($class !== null) { |
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$callable[] = $class->getName(); |
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} |
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$callable[] = $this->parameter->getDeclaringFunction()->getName() . '()'; |
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return implode('::', $callable); |
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} |
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} |
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yiisoft /
definitions
