mirror of
https://github.com/pmmp/PocketMine-MP.git
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118 lines
3.2 KiB
PHP
118 lines
3.2 KiB
PHP
<?php
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/*
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*
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* ____ _ _ __ __ _ __ __ ____
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* | _ \ ___ ___| | _____| |_| \/ (_)_ __ ___ | \/ | _ \
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* | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
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* | __/ (_) | (__| < __/ |_| | | | | | | | __/_____| | | | __/
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* |_| \___/ \___|_|\_\___|\__|_| |_|_|_| |_|\___| |_| |_|_|
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* @author PocketMine Team
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* @link http://www.pocketmine.net/
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*
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*
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*/
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declare(strict_types=1);
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namespace pocketmine\event;
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use pocketmine\plugin\Plugin;
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use pocketmine\utils\Utils;
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class HandlerListManager{
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/** @var HandlerListManager */
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private static $globalInstance = null;
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public static function global() : self{
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return self::$globalInstance ?? (self::$globalInstance = new self);
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}
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/**
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* @var HandlerList[] classname => HandlerList
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*/
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private $allLists = [];
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/**
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* Unregisters all the listeners
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* If a Plugin or Listener is passed, all the listeners with that object will be removed
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*
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* @param Plugin|Listener|null $object
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*/
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public function unregisterAll($object = null) : void{
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if($object instanceof Listener or $object instanceof Plugin){
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foreach($this->allLists as $h){
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$h->unregister($object);
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}
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}else{
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foreach($this->allLists as $h){
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$h->clear();
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}
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}
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}
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/**
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* @param ReflectionClass $class
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* @phpstan-param \ReflectionClass<Event> $class
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*
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* @return bool
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*/
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private static function isValidClass(\ReflectionClass $class) : bool{
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$tags = Utils::parseDocComment((string) $class->getDocComment());
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return !$class->isAbstract() || isset($tags["allowHandle"]);
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}
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/**
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* @param \ReflectionClass $class
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* @phpstan-param \ReflectionClass<Event> $class
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*
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* @return \ReflectionClass|null
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* @phpstan-return \ReflectionClass<Event>|null
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*/
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private static function resolveNearestHandleableParent(\ReflectionClass $class) : ?\ReflectionClass{
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for($parent = $class->getParentClass(); $parent !== false && !self::isValidClass($parent); $parent = $parent->getParentClass()){
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//NOOP
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}
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return $parent ?: null;
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}
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/**
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* Returns the HandlerList for listeners that explicitly handle this event.
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*
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* Calling this method also lazily initializes the $classMap inheritance tree of handler lists.
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*
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* @param string $event
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*
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* @return HandlerList
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* @throws \ReflectionException
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* @throws \InvalidArgumentException
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*/
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public function getListFor(string $event) : HandlerList{
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if(isset($this->allLists[$event])){
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return $this->allLists[$event];
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}
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$class = new \ReflectionClass($event);
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if(!self::isValidClass($class)){
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throw new \InvalidArgumentException("Event must be non-abstract or have the @allowHandle annotation");
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}
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$parent = self::resolveNearestHandleableParent($class);
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return $this->allLists[$event] = new HandlerList($event, $parent !== null ? $this->getListFor($parent->getName()) : null);
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}
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/**
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* @return HandlerList[]
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*/
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public function getAll() : array{
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return $this->allLists;
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}
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}
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