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<?php |
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/** |
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* Slim Framework (http://slimframework.com) |
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* |
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* @link https://github.com/slimphp/Slim |
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* @copyright Copyright (c) 2011-2016 Josh Lockhart |
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* @license https://github.com/slimphp/Slim/blob/3.x/LICENSE.md (MIT License) |
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*/ |
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namespace Orx0r\Slim\Controller; |
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use RuntimeException; |
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use Interop\Container\ContainerInterface; |
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use Slim\Interfaces\CallableResolverInterface; |
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/** |
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* This class resolves a string of the format 'class:method' into a closure |
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* that can be dispatched. |
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* |
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* Class CallableResolver |
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* @package Orx0r\Slim\Controller |
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*/ |
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final class CallableResolver implements CallableResolverInterface |
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{ |
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/** |
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* @var ContainerInterface |
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*/ |
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private $container; |
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/** |
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* @var string |
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*/ |
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private $controllerNamespace; |
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/** |
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* @param ContainerInterface $container |
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*/ |
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public function __construct(ContainerInterface $container, $controllerNamespace = null) |
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{ |
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$this->container = $container; |
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$this->controllerNamespace = $controllerNamespace; |
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} |
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/** |
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* Resolve toResolve into a closure that that the router can dispatch. |
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* |
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* If toResolve is of the format 'class:method', then try to extract 'class' |
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* from the container otherwise instantiate it and then dispatch 'method'. |
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* |
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* @param mixed $toResolve |
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* |
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* @return callable |
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* |
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* @throws RuntimeException if the callable does not exist |
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* @throws RuntimeException if the callable is not resolvable |
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*/ |
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public function resolve($toResolve) |
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{ |
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$resolved = $toResolve; |
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if (!is_callable($toResolve) && is_string($toResolve)) { |
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// check for slim callable as "class:method" |
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$callablePattern = '!^([^\:]+)\:([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)$!'; |
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if (preg_match($callablePattern, $toResolve, $matches)) { |
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$class = $matches[1]; |
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$method = $matches[2]; |
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if ($this->container->has($class)) { |
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$resolved = [$this->container->get($class), $method]; |
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} elseif (class_exists($class)) { |
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$resolved = [new $class($this->container), $method]; |
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} else { |
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if (!$this->controllerNamespace) { |
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throw new RuntimeException(sprintf('Callable %s does not exist', $class)); |
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} |
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$class = "$this->controllerNamespace\\$class"; |
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2 |
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if (!class_exists($class)) { |
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throw new RuntimeException(sprintf('Callable %s does not exist', $class)); |
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} |
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$resolved = [new $class($this->container), $method]; |
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} |
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} else { |
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// check if string is something in the DIC that's callable or is a class name which |
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// has an __invoke() method |
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$class = $toResolve; |
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if ($this->container->has($class)) { |
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$resolved = $this->container->get($class); |
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} else { |
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if (!class_exists($class)) { |
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throw new RuntimeException(sprintf('Callable %s does not exist', $class)); |
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} |
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$resolved = new $class($this->container); |
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} |
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} |
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} |
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if (!is_callable($resolved)) { |
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throw new RuntimeException(sprintf('%s is not resolvable', $toResolve)); |
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} |
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return $resolved; |
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} |
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} |
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orx0r /
slim3-controller
