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<?php |
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namespace BrainExe\Core\DependencyInjection\CompilerPass; |
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use BrainExe\Core\Annotations\CompilerPass; |
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use BrainExe\Core\EventDispatcher\AbstractEvent; |
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use BrainExe\Core\Traits\FileCacheTrait; |
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use Exception; |
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use ReflectionClass; |
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use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface; |
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use Symfony\Component\DependencyInjection\ContainerBuilder; |
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/** |
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* @CompilerPass |
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*/ |
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class EventCompilerPass implements CompilerPassInterface |
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{ |
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use FileCacheTrait; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function process(ContainerBuilder $container) |
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{ |
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$this->dumpVariableToCache('events', $this->getEvents()); |
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} |
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/** |
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* @return array |
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* @throws Exception |
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*/ |
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private function getEvents() |
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{ |
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$events = []; |
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foreach (get_declared_classes() as $class) { |
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$reflection = new ReflectionClass($class); |
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if ($reflection->isSubclassOf(AbstractEvent::class)) { |
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$this->handleEvent($reflection, $events, $class); |
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} |
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} |
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return $events; |
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} |
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/** |
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* @param ReflectionClass $reflection |
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* @param $events |
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* @param string $class |
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* @throws Exception |
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*/ |
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private function handleEvent(ReflectionClass $reflection, array &$events, string $class) |
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{ |
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foreach (array_values($reflection->getConstants()) as $constant) { |
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if (strlen($constant) < 2) { |
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continue; |
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} |
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if (isset($events[$constant])) { |
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throw new Exception(sprintf( |
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'Event "%s" was already defined in "%s". (%s)', |
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$constant, |
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$events[$constant], |
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$class |
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)); |
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} |
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$parameters = $this->getParameters($reflection); |
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$events[$constant] = [ |
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'class' => $class, |
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'parameters' => $parameters |
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]; |
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} |
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} |
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/** |
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* @param ReflectionClass $reflection |
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* @return array |
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*/ |
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private function getParameters(ReflectionClass $reflection) |
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{ |
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$parameters = []; |
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foreach ($reflection->getConstructor()->getParameters() as $parameter) { |
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$parameters[] = $parameter->getName(); |
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} |
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return $parameters; |
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} |
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} |
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brainexe /
core
