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<?php |
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namespace ByTIC\EventDispatcher\Discovery; |
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use Nip\Utility\Oop; |
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use Nip\Utility\Str; |
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use ReflectionClass; |
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use ReflectionException; |
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use Symfony\Component\Finder\Finder; |
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use Symfony\Component\Finder\SplFileInfo; |
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/** |
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* Class DiscoverEvents |
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* @package ByTIC\EventDispatcher\ListenerProviders\Discover |
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* |
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* @internal |
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*/ |
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class DiscoverEvents |
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{ |
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/** |
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* Get all of the events and listeners by searching the given listener directory. |
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* |
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* @param array|string $listenerPaths |
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* @return array |
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*/ |
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public static function within($listenerPaths): array |
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{ |
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return static::getListenerEvents( |
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static::getListenerClasses($listenerPaths) |
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); |
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} |
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/** |
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* @param array|string $paths |
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* @return array |
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*/ |
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protected static function getListenerClasses($paths): iterable |
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{ |
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$paths = is_array($paths) ? $paths : [$paths]; |
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$files = (new Finder)->files()->in($paths); |
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foreach ($files as $file) { |
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yield from static::classFromFile($file); |
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} |
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} |
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/** |
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* Extract the class name from the given file path. |
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* |
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* @param \SplFileInfo $file |
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* @param string $basePath |
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* @return array |
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*/ |
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protected static function classFromFile(SplFileInfo $file) |
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{ |
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return Oop::classesInFile($file); |
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} |
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/** |
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* @param array $listeners |
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* @return array |
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*/ |
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protected static function getListenerEvents(iterable $listeners): array |
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{ |
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$listenerEvents = []; |
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foreach ($listeners as $listener) { |
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try { |
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$listener = new ReflectionClass($listener); |
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foreach ($listener->getMethods() as $method) { |
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if (!$method->isPublic()) { |
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continue; |
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} |
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if (!Str::is('handle*', $method->name) || |
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!isset($method->getParameters()[0])) { |
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continue; |
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} |
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$eventName = (string)$method->getParameters()[0]->getType(); |
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$listenerEvents[$eventName][] = [$listener->getName(), $method->getName()]; |
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} |
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} catch (ReflectionException $e) { |
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} |
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} |
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return array_filter($listenerEvents); |
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} |
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} |
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bytic /
event-dispatcher
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