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<?php |
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/** |
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* Phoole (PHP7.2+) |
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* |
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* @category Library |
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* @package Phoole\Route |
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* @copyright Copyright (c) 2019 Hong Zhang |
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*/ |
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declare(strict_types=1); |
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namespace Phoole\Route; |
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use Phoole\Route\Util\Result; |
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use Phoole\Route\Util\RouteGroup; |
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use Phoole\Route\Util\RouteAwareTrait; |
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use Phoole\Route\Parser\ParserInterface; |
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use Phoole\Route\Parser\FastRouteParser; |
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use Phoole\Route\Resolver\DefaultResolver; |
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use Phoole\Route\Resolver\ResolverInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Server\MiddlewareInterface; |
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use Psr\Http\Server\RequestHandlerInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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/** |
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* Router |
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* |
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* @package Phoole\Route |
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*/ |
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class Router implements MiddlewareInterface |
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{ |
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use RouteAwareTrait; |
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const URI_PARAMETERS = '_parsedParams'; |
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/** |
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* @var ResolverInterface |
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*/ |
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protected $resolver; |
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/** |
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* Load route definitions and set the parser |
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* |
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* @param array $routes route definitions |
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* @param ResolverInterface $resolver |
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* @param ParserInterface $parser |
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* |
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*/ |
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public function __construct( |
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array $routes = [], |
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ResolverInterface $resolver = null, |
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ParserInterface $parser = null |
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) { |
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$this |
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->loadRoutes($routes) |
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->setResolver($resolver ?? new DefaultResolver()) |
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->setParser($parser ?? new FastRouteParser()); |
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} |
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/** |
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* Match http request with predefined routes, returns a Result object |
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* |
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* @param ServerRequestInterface $request |
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* @return Result |
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*/ |
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public function match(ServerRequestInterface $request): Result |
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{ |
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$result = new Result($request); |
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return $this->groupMatch($result); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function process( |
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ServerRequestInterface $request, |
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RequestHandlerInterface $handler |
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): ResponseInterface { |
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$result = $this->match($request); |
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if ($result->isMatched()) { |
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return $this->handleResult($result); |
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} else { |
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return $handler->handle($request); |
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} |
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} |
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/** |
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* Utility function for getting parameter values stored in the request |
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* |
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* @param ServerRequestInterface $request |
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* @return array |
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*/ |
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public static function getParams(ServerRequestInterface $request): array |
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{ |
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$params = $request->getAttribute(Router::URI_PARAMETERS) ?? []; |
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return $params; |
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} |
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/** |
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* @param ResolverInterface $resolver |
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* @return Router $this |
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*/ |
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protected function setResolver(ResolverInterface $resolver): Router |
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{ |
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$this->resolver = $resolver; |
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return $this; |
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} |
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/** |
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* @param Result $result |
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* @return ResponseInterface |
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* @throws \InvalidArgumentException if resolver failure |
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*/ |
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protected function handleResult(Result $result): ResponseInterface |
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{ |
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$request = $result->getRequest(); |
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$handler = $result->getHandler(); |
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if (is_callable($handler)) { |
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return $handler($request); |
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} elseif ($handler instanceof RequestHandlerInterface) { |
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return $handler->handle($request); |
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} else { |
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$handler = $this->resolver->resolve($handler); |
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return $handler($request); |
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} |
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} |
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} |
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|
phoole /
route
