52 lines
1.5 KiB
PHP
52 lines
1.5 KiB
PHP
<?php
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// HandlerAttribute.php
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// Created: 2024-03-28
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// Updated: 2024-03-28
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namespace Index\Http\Routing;
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use Attribute;
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use ReflectionObject;
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/**
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* Provides an attribute for marking methods in a class as handlers.
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*/
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#[Attribute(Attribute::TARGET_METHOD | Attribute::IS_REPEATABLE)]
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class HandlerAttribute {
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public function __construct(private string $path) {}
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/**
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* Returns the target path.
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*
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* @return string
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*/
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public function getPath(): string {
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return $this->path;
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}
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/**
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* Reads attributes from methods in a IRouteHandler instance and registers them to a given IRouter instance.
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*
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* @param IRouter $router Router instance.
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* @param IRouteHandler $handler Handler instance.
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*/
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public static function register(IRouter $router, IRouteHandler $handler): void {
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$objectInfo = new ReflectionObject($handler);
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$methodInfos = $objectInfo->getMethods();
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foreach($methodInfos as $methodInfo) {
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$attrInfos = $methodInfo->getAttributes(HandlerAttribute::class);
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foreach($attrInfos as $attrInfo) {
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$handlerInfo = $attrInfo->newInstance();
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$closure = $methodInfo->getClosure($methodInfo->isStatic() ? null : $handler);
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if($handlerInfo instanceof HttpRoute)
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$router->add($handlerInfo->getMethod(), $handlerInfo->getPath(), $closure);
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else
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$router->use($handlerInfo->getPath(), $closure);
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}
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}
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}
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}
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