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<?php |
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declare(strict_types = 1); |
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namespace Innmind\Compose\Definition\Dependency; |
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use Innmind\Compose\{ |
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Definition\Name, |
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Definition\Dependency, |
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Services, |
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Exception\ArgumentNotProvided, |
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Exception\ArgumentNotDefined, |
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Exception\NameNotNamespaced |
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}; |
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use Innmind\Immutable\Str; |
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final class Argument |
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{ |
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private $name; |
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private $value; |
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private $reference; |
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private function __construct(Name $name) |
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{ |
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$this->name = $name; |
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} |
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public static function fromValue(Name $name, $value): self |
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{ |
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if (!is_string($value)) { |
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$self = new self($name); |
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$self->value = $value; |
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return $self; |
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} |
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$value = Str::of($value); |
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if ((string) $value->substring(0, 1) !== '$') { |
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$self = new self($name); |
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$self->value = (string) $value; |
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return $self; |
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} |
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$self = new self($name); |
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$self->reference = new Name((string) $value->substring(1)); |
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return $self; |
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} |
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public function name(): Name |
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{ |
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return $this->name; |
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} |
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public function resolve(Services $services) |
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{ |
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if (!$this->reference instanceof Name) { |
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return $this->value; |
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} |
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try { |
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return $services->arguments()->get($this->reference); |
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} catch (ArgumentNotProvided $e) { |
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if ($e->argument()->hasDefault()) { |
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return $services->build($e->argument()->default()); |
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} |
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if ($e->argument()->optional()) { |
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return 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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// todo: allow to resolve services from other dependencies |
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return $services->build($this->reference); |
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} |
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public function refersTo(Dependency $dependeny): bool |
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{ |
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if (!$this->reference instanceof Name) { |
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return false; |
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} |
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try { |
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$root = $this->reference->root(); |
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1 |
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} catch (NameNotNamespaced $e) { |
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return false; |
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} |
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if (!$root->equals($dependeny->name())) { |
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return false; |
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} |
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return $dependeny->has($this->reference->withoutRoot()); |
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} |
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} |
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Innmind /
Compose
