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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of Flight Routing. |
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* |
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* PHP version 7.1 and above required |
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* |
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* @author Divine Niiquaye Ibok <[email protected]> |
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* @copyright 2019 Biurad Group (https://biurad.com/) |
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* @license https://opensource.org/licenses/BSD-3-Clause License |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Flight\Routing; |
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use Flight\Routing\Exceptions\{InvalidControllerException, MethodNotAllowedException, UriHandlerException}; |
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use Psr\Http\Message\{ResponseInterface, ServerRequestInterface, UriInterface}; |
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use Psr\Http\Server\{MiddlewareInterface, RequestHandlerInterface}; |
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/** |
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* Value object representing a single route. |
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* |
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* @method string getPath() Gets the route path. |
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* @method string|null getName() Gets the route name. |
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* @method string[] getMethods() Gets the route methods. |
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* @method string[] getSchemes() Gets the route domain schemes. |
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* @method string[] getDomain() Gets the route host. |
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* @method mixed getController() Gets the route handler. |
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* @method array getMiddlewares() Gets the route middlewares. |
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* @method array getPatterns() Gets the route pattern placeholder assert. |
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* @method array getDefaults() Gets the route default settings. |
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* @method array getArguments() Gets the arguments passed to route handler as parameters. |
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* @method array getAll() Gets all the routes properties. |
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* |
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* @author Divine Niiquaye Ibok <[email protected]> |
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*/ |
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class Route |
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{ |
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use Traits\CastingTrait; |
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/** |
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* A Pattern to Locates appropriate route by name, support dynamic route allocation using following pattern: |
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* Pattern route: `pattern/*<controller@action>` |
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* Default route: `*<controller@action>` |
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* Only action: `pattern/*<action>`. |
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* |
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* @var string |
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*/ |
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public const RCA_PATTERN = '#^(?:([a-z]+)\:)?(?:\/{2}([^\/]+))?([^*]+?)(?:\*\<(?:([\w\\\\]+)\@)?(\w+)\>)?$#u'; |
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/** |
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* A Pattern to match protocol, host and port from a url. |
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* |
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* Examples of urls that can be matched: http://en.example.domain, {sub}.example.domain, https://example.com:34, example.com, etc. |
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* |
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* @var string |
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*/ |
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public const URL_PATTERN = '#^(?:([a-z]+)\:\/{2})?([^\/]+)?$#u'; |
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/** |
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* Slashes supported on browser when used. |
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* |
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* @var string[] |
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*/ |
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public const URL_PREFIX_SLASHES = ['/' => '/', ':' => ':', '-' => '-', '_' => '_', '~' => '~', '@' => '@']; |
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/** |
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* Default methods for route. |
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*/ |
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public const DEFAULT_METHODS = [Router::METHOD_GET, Router::METHOD_HEAD]; |
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protected const SUPPORTED_GETTER_METHODS = [ |
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'controller' => 'controller', |
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'methods' => 'methods', |
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'schemes' => 'schemes', |
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'domain' => 'domain', |
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'name' => 'name', |
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'path' => 'path', |
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'patterns' => 'patterns', |
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'middlewares' => 'middlewares', |
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'defaults' => 'defaults', |
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]; |
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/** @var RouteCollection|null */ |
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private $collection = null; |
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/** |
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* Create a new Route constructor. |
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* |
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* @param string $pattern The route pattern |
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* @param string|string[] $methods The route HTTP methods. Multiple methods can be supplied as an array |
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* or string combined with `|`. |
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* @param mixed $handler The PHP class, object or callable that returns the response when matched |
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*/ |
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public function __construct(string $pattern, $methods = self::DEFAULT_METHODS, $handler = null) |
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{ |
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$this->controller = $handler; |
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$this->path = $this->castRoute($pattern); |
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if (!empty($methods)) { |
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$this->methods = \array_map('strtoupper', (array) $methods); |
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} |
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} |
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/** |
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* @internal This is handled different by router |
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* |
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* @return self |
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*/ |
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public static function __set_state(array $properties) |
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{ |
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$recovered = new self($properties['path'], $properties['methods'], $properties['controller']); |
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unset($properties['path'], $properties['controller'], $properties['methods']); |
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foreach ($properties as $name => $property) { |
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$recovered->{$name} = $property; |
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} |
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return $recovered; |
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} |
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/** |
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* @internal |
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*/ |
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public function __serialize(): array |
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{ |
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return $this->get('all'); |
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} |
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/** |
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* @internal |
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* |
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* @param array<string,mixed> |
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*/ |
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public function __unserialize(array $data): void |
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{ |
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foreach ($data as $parameter => $value) { |
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$this->{$parameter} = $value; |
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} |
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} |
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/** |
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* @param string $method |
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* @param mixed[] $arguments |
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* |
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* @throws \BadMethodCallException |
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* |
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* @return mixed |
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*/ |
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public function __call($method, $arguments) |
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{ |
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$routeMethod = (string) \preg_replace('/^get([A-Z]{1}[a-z]+)$/', '\1', $method, 1); |
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$routeMethod = \strtolower($routeMethod); |
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if (!empty($arguments)) { |
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throw new \BadMethodCallException(\sprintf('Arguments passed into "%s" method not supported, as method does not exist.', $routeMethod)); |
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} |
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return $this->get($routeMethod); |
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} |
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/** |
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* Invoke the response from route handler. |
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* |
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* @param null|callable(mixed,array) $handlerResolver |
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* |
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* @return ResponseInterface|string |
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*/ |
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public function __invoke(ServerRequestInterface $request, ?callable $handlerResolver = null) |
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{ |
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$handler = $this->controller; |
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if ($handler instanceof ResponseInterface) { |
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return $handler; |
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} |
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if ($handler instanceof RequestHandlerInterface) { |
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return $handler->handle($request); |
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} |
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if ($handler instanceof Handlers\ResourceHandler) { |
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$handler = $handler(\strtolower($request->getMethod())); |
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} |
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$handler = $this->castHandler($request, $handlerResolver, $handler); |
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if (!$handler) { |
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throw new InvalidControllerException( |
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\sprintf('Response type of "%s" for route "%s" is not allowed in PSR7 response body stream.', \get_debug_type($handler), $this->name) |
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); |
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} |
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return $handler; |
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} |
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/** |
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* Sets the route path prefix. |
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*/ |
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public function prefix(string $path): self |
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{ |
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$this->path = $this->castPrefix($this->path, $path); |
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return $this; |
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} |
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/** |
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* Sets the route path pattern. |
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*/ |
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public function path(string $pattern): self |
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{ |
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$this->path = $this->castRoute($pattern); |
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return $this; |
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} |
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/** |
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* Sets the route name. |
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*/ |
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public function bind(string $routeName): self |
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{ |
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$this->name = $routeName; |
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return $this; |
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} |
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/** |
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* Sets the route code that should be executed when matched. |
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* |
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* @param mixed $to PHP class, object or callable that returns the response when matched |
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*/ |
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public function run($to): self |
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{ |
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$this->controller = $to; |
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return $this; |
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} |
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/** |
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* Sets the missing namespace on route's handler. |
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* |
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* @throws InvalidControllerException if $namespace is invalid |
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*/ |
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public function namespace(string $namespace): self |
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{ |
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if ('' !== $namespace) { |
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if ('\\' === $namespace[-1]) { |
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throw new InvalidControllerException(\sprintf('Namespace "%s" provided for routes must not end with a "\\".', $namespace)); |
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} |
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$this->controller = $this->castNamespace($namespace, $this->controller); |
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} |
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return $this; |
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} |
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/** |
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* Sets the requirement for a route variable. |
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* |
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* @param string $variable The variable name |
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* @param string|string[] $regexp The regexp to apply |
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*/ |
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public function assert(string $variable, $regexp): self |
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{ |
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$this->patterns[$variable] = $regexp; |
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return $this; |
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} |
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/** |
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* Sets the requirements for a route variable. |
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* |
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* @param array<string,string|string[]> $regexps The regexps to apply |
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*/ |
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public function asserts(array $regexps): self |
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{ |
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foreach ($regexps as $variable => $regexp) { |
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$this->assert($variable, $regexp); |
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} |
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return $this; |
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} |
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/** |
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* Sets the default value for a route variable. |
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* |
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* @param string $variable The variable name |
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* @param mixed $default The default value |
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*/ |
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public function default(string $variable, $default): self |
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{ |
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$this->defaults[$variable] = $default; |
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return $this; |
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} |
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/** |
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* Sets the default values for a route variables. |
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* |
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* @param array<string,mixed> $values |
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*/ |
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public function defaults(array $values): self |
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{ |
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foreach ($values as $variable => $default) { |
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$this->default($variable, $default); |
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} |
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return $this; |
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} |
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/** |
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* Sets the parameter value for a route handler. |
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* |
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* @param string $variable The parameter name |
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* @param mixed $value The parameter value |
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*/ |
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public function argument(string $variable, $value): self |
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{ |
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if (\is_numeric($value)) { |
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$value = (int) $value; |
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} elseif (\is_string($value)) { |
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$value = \rawurldecode($value); |
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} |
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$this->defaults['_arguments'][$variable] = $value; |
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return $this; |
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} |
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/** |
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* Sets the parameter values for a route handler. |
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* |
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* @param array<int|string> $variables The route handler parameters |
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*/ |
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public function arguments(array $variables): self |
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{ |
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foreach ($variables as $variable => $value) { |
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$this->argument($variable, $value); |
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} |
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return $this; |
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} |
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/** |
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* Sets the requirement for the HTTP method. |
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* |
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* @param string $methods the HTTP method(s) name |
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*/ |
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public function method(string ...$methods): self |
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{ |
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foreach ($methods as $method) { |
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$this->methods[] = \strtoupper($method); |
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} |
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return $this; |
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} |
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/** |
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* Sets the requirement of host on this Route. |
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* |
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* @param string $hosts The host for which this route should be enabled |
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*/ |
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public function domain(string ...$hosts): self |
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{ |
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foreach ($hosts as $host) { |
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\preg_match(Route::URL_PATTERN, $host, $matches, \PREG_UNMATCHED_AS_NULL); |
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if (isset($matches[1])) { |
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$this->schemes[$matches[1]] = true; |
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} |
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if (isset($matches[2])) { |
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$this->domain[] = $matches[2]; |
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} |
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} |
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return $this; |
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} |
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/** |
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* Sets the requirement of domain scheme on this Route. |
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* |
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|
* @param string ...$schemes |
387
|
|
|
*/ |
388
|
|
|
public function scheme(string ...$schemes): self |
389
|
|
|
{ |
390
|
|
|
foreach ($schemes as $scheme) { |
391
|
|
|
$this->schemes[] = \strtolower($scheme); |
392
|
|
|
} |
393
|
|
|
|
394
|
|
|
return $this; |
395
|
147 |
|
} |
396
|
|
|
|
397
|
147 |
|
/** |
398
|
145 |
|
* Sets the middleware(s) to handle before triggering the route handler. |
399
|
|
|
* |
400
|
|
|
* @param MiddlewareInterface ...$middlewares |
401
|
52 |
|
*/ |
402
|
|
|
public function middleware(MiddlewareInterface ...$middlewares): self |
403
|
4 |
|
{ |
404
|
4 |
|
foreach ($middlewares as $middleware) { |
405
|
4 |
|
$this->middlewares[] = $middleware; |
406
|
4 |
|
} |
407
|
4 |
|
|
408
|
4 |
|
return $this; |
409
|
4 |
|
} |
410
|
4 |
|
|
411
|
4 |
|
/** |
412
|
|
|
* Asserts methods and host's scheme. |
413
|
|
|
* |
414
|
|
|
* @throws MethodNotAllowedException|UriHandlerException |
415
|
52 |
|
*/ |
416
|
50 |
|
public function match(string $method, UriInterface $uri): self |
417
|
|
|
{ |
418
|
|
|
if (!\in_array($method, $this->methods)) { |
419
|
2 |
|
throw new MethodNotAllowedException($this->methods, $uri->getPath(), $method); |
420
|
|
|
} |
421
|
|
|
|
422
|
|
|
if (!empty($schemes = $this->schemes)) { |
423
|
|
|
if (\in_array($uri->getScheme(), $schemes, true)) { |
424
|
|
|
return $this; |
425
|
2 |
|
} |
426
|
|
|
|
427
|
2 |
|
throw new UriHandlerException(\sprintf('Unfortunately current scheme "%s" is not allowed on requested uri [%s].', $uri->getScheme(), $uri->getPath()), 400); |
428
|
2 |
|
} |
429
|
|
|
|
430
|
|
|
return $this; |
431
|
1 |
|
} |
432
|
1 |
|
|
433
|
|
|
/** |
434
|
1 |
|
* Get any of (name, path, domain, defaults, schemes, domain, controller, patterns, middlewares). |
435
|
|
|
* And also accepts "all" and "arguments". |
436
|
|
|
* |
437
|
56 |
|
* @throws \BadMethodCallException if $name does not exist as property |
438
|
|
|
* |
439
|
56 |
|
* @return mixed |
440
|
|
|
*/ |
441
|
56 |
|
public function get(string $name) |
442
|
56 |
|
{ |
443
|
56 |
|
if (isset(static::SUPPORTED_GETTER_METHODS[$name])) { |
444
|
|
|
return $this->{$name}; |
445
|
|
|
} |
446
|
56 |
|
|
447
|
|
|
if ('all' === $name) { |
448
|
56 |
|
return \array_map([$this, 'get'], static::SUPPORTED_GETTER_METHODS); |
449
|
|
|
} |
450
|
|
|
|
451
|
|
|
if ('arguments' === $name) { |
452
|
|
|
return $this->defaults['_arguments'] ?? []; |
453
|
|
|
} |
454
|
|
|
|
455
|
|
|
throw new \BadMethodCallException(\sprintf('Invalid call for "%s" as method, %s(\'%1$s\') not supported.', $name, __METHOD__)); |
456
|
|
|
} |
457
|
|
|
|
458
|
|
|
/** |
459
|
|
|
* Sets the route belonging to a particular collection. |
460
|
|
|
* |
461
|
|
|
* This method is kinda internal, only used in RouteCollection class, |
462
|
|
|
* and retrieved using this class end method. |
463
|
|
|
* |
464
|
|
|
* @internal used by RouteCollection class |
465
|
|
|
*/ |
466
|
|
|
public function belong(RouteCollection $to): void |
467
|
|
|
{ |
468
|
|
|
$this->collection = $to; |
469
|
|
|
} |
470
|
|
|
|
471
|
|
|
/** |
472
|
|
|
* End a group stack or return self. |
473
|
|
|
*/ |
474
|
|
|
public function end(): ?RouteCollection |
475
|
|
|
{ |
476
|
|
|
if (null !== $stack = $this->collection) { |
477
|
|
|
$this->collection = null; // Just remove it. |
478
|
|
|
} |
479
|
|
|
|
480
|
|
|
return $stack; |
481
|
|
|
} |
482
|
|
|
|
483
|
|
|
public function generateRouteName(string $prefix): string |
484
|
|
|
{ |
485
|
|
|
$routeName = \implode('_', $this->methods) . '_' . $prefix . $this->path; |
486
|
|
|
$routeName = \str_replace(['/', ':', '|', '-'], '_', $routeName); |
487
|
|
|
$routeName = (string) \preg_replace('/[^a-z0-9A-Z_.]+/', '', $routeName); |
488
|
|
|
|
489
|
|
|
return (string) \preg_replace(['/\_+/', '/\.+/'], ['_', '.'], $routeName); |
490
|
|
|
} |
491
|
|
|
} |
492
|
|
|
|