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<?php |
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/** |
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* @Author : a.zinovyev |
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* @Package: emittr |
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* @License: http://www.opensource.org/licenses/mit-license.php |
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*/ |
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namespace xobotyi\emittr; |
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final class EventEmitterGlobal extends EventEmitterStatic |
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{ |
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/** |
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* @var array[] |
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*/ |
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private static $classesListeners = []; |
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public static function loadClassesEventListeners(array $classesListeners) :void { |
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foreach ($classesListeners as $className => &$listeners) { |
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if (!isset(self::$classesListeners[$className])) { |
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self::$classesListeners[$className] = []; |
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} |
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foreach ($listeners as $eventName => &$callbacks) { |
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if (self::isValidCallback($callbacks)) { |
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self::storeCallback(self::$classesListeners[$className], $eventName, $callbacks); |
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continue; |
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} |
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else if (is_array($callbacks)) { |
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foreach ($callbacks as &$callback) { |
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self::storeCallback(self::$classesListeners[$className], $eventName, $callback); |
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} |
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continue; |
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} |
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throw new Exception\EventEmitter("Event callback has to be a callable or an array of two elements representing classname and method to call or array of them"); |
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} |
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} |
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} |
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public static function getListeners(?string $className = null, ?string $eventName = null) :array { |
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return $className ? $eventName ? self::$classesListeners[$className][$eventName] ?? [] : self::$classesListeners[$className] ?? [] : self::$classesListeners; |
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} |
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public static function __callStatic($name, $arguments) { |
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throw new \Error('Call to undefined method ' . get_called_class() . '::' . $name . '()'); |
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} |
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public static function on(string $className, string $eventName, $callback) :void { |
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if (!(self::$classesListeners[$className])) { |
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self::$classesListeners[$className] = []; |
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} |
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self::storeCallback(self::$classesListeners[$className], $eventName, $callback, false, false, self::$staticMaxListeners[get_called_class()] ?? 10); |
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} |
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public static function once(string $className, string $eventName, $callback) :void { |
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if (!(self::$classesListeners[$className])) { |
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self::$classesListeners[$className] = []; |
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} |
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self::storeCallback(self::$classesListeners[$className], $eventName, $callback, true, false, self::$staticMaxListeners[get_called_class()] ?? 10); |
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} |
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public static function prependListener(string $className, string $eventName, $callback) :void { |
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if (!(self::$classesListeners[$className])) { |
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self::$classesListeners[$className] = []; |
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} |
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self::storeCallback(self::$classesListeners[$className], $eventName, $callback, false, true, self::$staticMaxListeners[get_called_class()] ?? 10); |
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} |
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public static function prependOnceListener(string $className, string $eventName, $callback) :void { |
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if (!(self::$classesListeners[$className])) { |
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self::$classesListeners[$className] = []; |
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} |
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self::storeCallback(self::$classesListeners[$className], $eventName, $callback, true, true, self::$staticMaxListeners[get_called_class()] ?? 10); |
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} |
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public static function removeListener(string $className, string $eventName, $callback) :void { |
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if (!(self::$classesListeners[$className][$eventName] ?? false)) { |
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return; |
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} |
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self::$classesListeners[$className][$eventName] = array_filter(self::$classesListeners[$className][$eventName], |
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function ($item) use (&$callback) { return $item[1] !== $callback; }); |
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if (empty(self::$classesListeners[$className][$eventName])) { |
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unset(self::$classesListeners[$className][$eventName]); |
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self::$classesListeners[$className] = array_filter(self::$classesListeners[$className], function ($item) { return !empty($item); }); |
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} |
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} |
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public static function removeAllListeners(string $className, string $eventName) :void { |
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if (!(self::$classesListeners[$className] ?? false)) { |
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return; |
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} |
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if ($eventName) { |
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if (!(self::$classesListeners[$className][$eventName] ?? false)) { |
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return; |
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} |
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unset(self::$classesListeners[$className][$eventName]); |
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self::$classesListeners[$className] = array_filter(self::$classesListeners[$className], function ($item) { return !empty($item); }); |
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return; |
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} |
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self::$classesListeners[$className] = []; |
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} |
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public static function getMaxListeners() :int { |
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return self::$staticMaxListeners[get_called_class()] ?? 10; |
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} |
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public static function setMaxListeners(int $listenersCount) :void { |
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if ($listenersCount < 0) { |
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throw new \InvalidArgumentException('Listeners count must be greater or equal 0, got ' . $listenersCount); |
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} |
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self::$staticMaxListeners[get_called_class()] = $listenersCount; |
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} |
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public static function propagateClassEvent(Event $evt) { |
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if (substr($evt->getSourceClass(), 0, 15) === 'class@anonymous') { |
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return true; |
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} |
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if (!($listeners = &self::$classesListeners[$evt->getSourceClass()][$evt->getEventName()] ?? false)) { |
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return true; |
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} |
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$res = true; |
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foreach ($listeners as $key => &$listener) { |
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call_user_func($listener[1], $evt); |
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if ($listener[0]) { |
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unset($listeners[$key]); |
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} |
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if (!$evt->isPropagatable()) { |
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$res = false; |
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break; |
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} |
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} |
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if (!count($listeners)) { |
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unset($listeners); |
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} |
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return $res; |
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} |
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} |
xobotyi /
emittr
