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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Router; |
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use InvalidArgumentException; |
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use Psr\Http\Server\MiddlewareInterface; |
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use Yiisoft\Middleware\Dispatcher\MiddlewareDispatcher; |
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final class Group implements RouteCollectorInterface |
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{ |
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/** |
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* @var Group[]|Route[] |
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*/ |
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protected array $items = []; |
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protected ?string $prefix; |
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protected array $middlewares = []; |
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private ?MiddlewareDispatcher $dispatcher = null; |
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private function __construct(?string $prefix = null, ?callable $callback = null, MiddlewareDispatcher $dispatcher = null) |
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{ |
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$this->dispatcher = $dispatcher; |
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$this->prefix = $prefix; |
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if ($callback !== null) { |
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$callback($this); |
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} |
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} |
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/** |
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* Create a new instance |
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* |
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* @param string|null $prefix |
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* @param callable|array $routes |
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* @param MiddlewareDispatcher $dispatcher |
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* |
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* @return self |
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*/ |
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public static function create(?string $prefix = null, $routes = [], MiddlewareDispatcher $dispatcher = null): self |
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{ |
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if (\is_callable($routes)) { |
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$callback = $routes; |
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} elseif (is_array($routes)) { |
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$callback = static function (Group $group) use (&$routes) { |
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foreach ($routes as $route) { |
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if ($route instanceof Route) { |
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$group->addRoute($route); |
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} elseif ($route instanceof Group) { |
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$group->addGroup($route); |
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} else { |
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throw new InvalidArgumentException('Route should be either instance of Route or Group.'); |
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} |
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} |
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}; |
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} else { |
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$callback = null; |
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} |
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return new self($prefix, $callback, $dispatcher); |
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} |
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public function withDispatcher(MiddlewareDispatcher $dispatcher): self |
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{ |
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$group = clone $this; |
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$group->dispatcher = $dispatcher; |
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foreach ($group->items as $index => $item) { |
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if (!$item->hasDispatcher()) { |
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$item = $item->withDispatcher($dispatcher); |
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$group->items[$index] = $item; |
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} |
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} |
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return $group; |
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} |
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public function hasDispatcher(): bool |
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{ |
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return $this->dispatcher !== null; |
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} |
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public function addRoute(Route $route): self |
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{ |
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if (!$route->hasDispatcher() && $this->hasDispatcher()) { |
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$route->injectDispatcher($this->dispatcher); |
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} |
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$this->items[] = $route; |
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return $this; |
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} |
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public function addGroup(Group $group): self |
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{ |
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if (!$group->hasDispatcher() && $this->hasDispatcher()) { |
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$group = $group->withDispatcher($this->dispatcher); |
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} |
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$this->items[] = $group; |
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return $this; |
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} |
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/** |
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* @param MiddlewareInterface|callable|string|array $middleware |
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*/ |
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private function validateMiddleware($middleware): void |
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{ |
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if ( |
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is_string($middleware) && is_subclass_of($middleware, MiddlewareInterface::class) |
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) { |
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return; |
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} |
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if ($this->isCallable($middleware) && (!is_array($middleware) || !is_object($middleware[0]))) { |
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return; |
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} |
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if (is_scalar($middleware)) { |
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$type = gettype($middleware) . ' with value "' . $middleware . '"'; |
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} elseif (is_object($middleware)) { |
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$type = 'an instance of ' . get_class($middleware); |
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} else { |
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$type = gettype($middleware); |
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} |
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throw new InvalidArgumentException("Parameter should be either PSR middleware class name or a callable, $type given."); |
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} |
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private function isCallable($definition): bool |
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{ |
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if (is_callable($definition)) { |
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return true; |
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} |
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return is_array($definition) && array_keys($definition) === [0, 1] && in_array($definition[1], get_class_methods($definition[0]) ?? [], true); |
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} |
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/** |
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* @param callable|MiddlewareInterface $middleware |
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* @return $this |
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*/ |
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public function addMiddleware($middleware): self |
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{ |
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$this->validateMiddleware($middleware); |
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$this->middlewares[] = $middleware; |
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return $this; |
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} |
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/** |
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* @return Route[]|Group[] |
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*/ |
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8 |
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public function getItems(): array |
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{ |
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return $this->items; |
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} |
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5 |
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public function getPrefix(): ?string |
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{ |
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return $this->prefix; |
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} |
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public function getMiddlewares(): array |
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{ |
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return $this->middlewares; |
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} |
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} |
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yiisoft /
router
