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<?php |
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namespace LaraComponents\GraphQL\Helpers; |
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use InvalidArgumentException; |
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class TypeRegistry |
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{ |
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/** |
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* The application instance. |
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* |
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* @var \Illuminate\Foundation\Application |
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*/ |
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protected $app; |
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/** |
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* The array of types. |
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* |
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* @var array |
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*/ |
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protected $types = []; |
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/** |
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* The array of resolved types. |
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* |
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* @var array |
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*/ |
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protected $instances = []; |
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/** |
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* Create a new instance. |
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* |
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* @param \Illuminate\Foundation\Application $app |
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* @param array $types |
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* @return void |
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*/ |
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public function __construct($app, array $types = []) |
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{ |
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$this->app = $app; |
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foreach ($types as $name => $class) { |
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$this->setType($class, is_numeric($name) ? null : $name); |
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} |
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} |
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/** |
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* Set type into registry |
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* |
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* @param string $class |
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* @param string $name |
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*/ |
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public function setType($class, $name = null) |
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{ |
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$name = $this->getName($class, $name); |
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$this->types[$name] = $class; |
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} |
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/** |
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* Resolve type from registry |
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* |
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* @param string $type |
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* @param string $parameters |
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* @return mixed |
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* @throws \InvalidArgumentException |
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*/ |
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protected function resolveType($type, array $parameters) |
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{ |
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if (! array_key_exists($type, $this->types)) { |
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throw new InvalidArgumentException(sprintf('The type "%s" is not found.', $type)); |
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} |
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if (count($parameters)) { |
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return $this->make($type, $parameters); |
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} |
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if (! array_key_exists($type, $this->instances)) { |
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$this->instances[$type] = $this->make($type, $parameters); |
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} |
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return $this->instances[$type]; |
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} |
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/** |
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* Make a new instance of type |
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* |
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* @param string $type |
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* @param string $parameters |
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* @return mixed |
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*/ |
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protected function make($type, $parameters) |
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{ |
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$class = $this->types[$type]; |
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if (count($parameters)) { |
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return new $class(...$parameters); |
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} |
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return new $class(); |
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} |
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/** |
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* Get name from className |
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* @param string $class |
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* @param string $name |
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* @return string |
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*/ |
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protected function getName($class, $name = null) |
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{ |
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if ($name) { |
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return $name; |
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} |
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if ($prevPos = strrpos($class, '\\')) { |
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$class = substr($class, $prevPos + 1); |
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} |
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if (substr($class, -4) == 'Type') { |
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$class = substr($class, 0, -4); |
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} |
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return lcfirst($class); |
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} |
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/** |
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* Dynamically call the type instance. |
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* |
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* @param string $type |
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* @param array $parameters |
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* @return mixed |
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*/ |
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public function __call($type, $parameters) |
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{ |
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return $this->resolveType($type, $parameters); |
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} |
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} |
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Adding a
@returnannotation to a constructor is not recommended, since a constructor does not have a meaningful return value.Please refer to the PHP core documentation on constructors.