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<?php |
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declare(strict_types = 1); |
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namespace Innmind\Compose\Definition\Service\Argument; |
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use Innmind\Compose\{ |
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Definition\Service\Argument, |
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Definition\Service\Arguments, |
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Definition\Name, |
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Services, |
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Lazy, |
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Exception\ValueNotSupported, |
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Exception\ArgumentNotProvided, |
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Exception\ArgumentNotDefined, |
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Exception\ReferenceNotFound |
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}; |
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use Innmind\Immutable\{ |
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StreamInterface, |
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Str |
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}; |
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final class Reference implements Argument, HoldReference |
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{ |
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private $name; |
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public function __construct(Name $name) |
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{ |
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$this->name = $name; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public static function fromValue($value, Arguments $arguments): Argument |
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{ |
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if (!is_string($value)) { |
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throw new ValueNotSupported; |
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} |
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$value = Str::of($value); |
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if ((string) $value->substring(0, 1) !== '$') { |
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throw new ValueNotSupported((string) $value); |
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} |
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return new self(new Name( |
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(string) $value->substring(1) |
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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 resolve( |
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StreamInterface $built, |
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Services $services |
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): StreamInterface { |
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try { |
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return $built->add( |
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$services->arguments()->get($this->name) |
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); |
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} catch (ArgumentNotProvided $e) { |
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if ($e->argument()->hasDefault()) { |
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return $built->add(new Lazy( |
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$e->argument()->default(), |
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$services |
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)); |
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} |
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if ($e->argument()->optional()) { |
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return $built->add(null); |
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} |
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throw $e; |
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} catch (ArgumentNotDefined $e) { |
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//pass |
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} |
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try { |
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return $built->add( |
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$services->dependencies()->lazy($this->name) |
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); |
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} catch (ReferenceNotFound $e) { |
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//pass |
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} |
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return $built->add(new Lazy($this->name, $services)); |
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} |
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public function reference(): Name |
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{ |
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return $this->name; |
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} |
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} |
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Innmind /
Compose
