TrackManiaControl/application/core/Commands/CommandManager.php
Steffen Schröder 09f61f2ad4 improved check for valid callback method
decreased amount of duplicated code
2014-05-13 00:22:47 +02:00

197 lines
5.2 KiB
PHP

<?php
namespace ManiaControl\Commands;
use ManiaControl\Callbacks\CallbackListener;
use ManiaControl\Callbacks\CallbackManager;
use ManiaControl\ManiaControl;
/**
* Class for handling Chat Commands
*
* @author ManiaControl Team <mail@maniacontrol.com>
* @copyright 2014 ManiaControl Team
* @license http://www.gnu.org/licenses/ GNU General Public License, Version 3
*/
class CommandManager implements CallbackListener {
/*
* Private Properties
*/
private $maniaControl = null;
private $helpManager = array();
private $adminCommandListeners = array();
private $commandListeners = array();
/**
* Construct a new Commands Manager
*
* @param \ManiaControl\ManiaControl $maniaControl
*/
public function __construct(ManiaControl $maniaControl) {
$this->maniaControl = $maniaControl;
//Create help manager instance
$this->helpManager = new HelpManager($this->maniaControl);
// Register for callback
$this->maniaControl->callbackManager->registerCallbackListener(CallbackManager::CB_MP_PLAYERCHAT, $this, 'handleChatCallback');
}
/**
* Register a command listener
*
* @param string $commandName
* @param CommandListener $listener
* @param string $method
* @param bool $adminCommand
* @param string $description
* @return bool
*/
public function registerCommandListener($commandName, CommandListener $listener, $method, $adminCommand = false, $description = '') {
if (is_array($commandName)) {
$success = true;
foreach ($commandName as $command) {
if (!$this->registerCommandListener($command, $listener, $method, $adminCommand, $description)) {
$success = false;
}
}
return $success;
}
$command = strtolower($commandName);
$listenerCallback = array($listener, $method);
$listenerClass = get_class($listener);
if (!is_callable($listenerCallback)) {
trigger_error("Given Listener '{$listenerClass}' can't handle Command '{$command}'! No callable Method '{$method}'!");
return false;
}
if ($adminCommand) {
$this->addListenerCallback($this->adminCommandListeners, $listenerCallback, $command);
} else {
$this->addListenerCallback($this->commandListeners, $listenerCallback, $command);
}
//TODO description
$this->helpManager->registerCommand($command, $adminCommand, $description, get_class($listener) . '\\' . $method);
return true;
}
/**
* Add a Listener Callback to the given Listener Array
*
* @param array $listenerArray
* @param array $listenerCallback
* @param string $command
*/
private function addListenerCallback(array &$listenerArray, array $listenerCallback, $command) {
if (!array_key_exists($command, $listenerArray) || !is_array($listenerArray[$command])) {
// Init listeners array
$listenerArray[$command] = array();
}
// Register command listener
array_push($listenerArray[$command], $listenerCallback);
}
/**
* Remove a Command Listener
*
* @param CommandListener $listener
* @return bool
*/
public function unregisterCommandListener(CommandListener $listener) {
$removed = false;
if ($this->removeCommandListener($this->commandListeners, $listener)) {
$removed = true;
}
if ($this->removeCommandListener($this->adminCommandListeners, $listener)) {
$removed = true;
}
return $removed;
}
/**
* Remove the Command Listener from the given Listeners Array
*
* @param array $listenerArray
* @param CommandListener $listener
* @return bool
*/
private function removeCommandListener(array &$listenerArray, CommandListener $listener) {
$removed = false;
foreach ($listenerArray as &$listeners) {
foreach ($listeners as $key => &$listenerCallback) {
if ($listenerCallback[0] == $listener) {
unset($listeners[$key]);
$removed = true;
}
}
}
return $removed;
}
/**
* Handle Chat Callback
*
* @param array $callback
*/
public function handleChatCallback(array $callback) {
// Check for command
if (!$callback[1][3]) {
return;
}
// Check for valid player
$login = $callback[1][1];
$player = $this->maniaControl->playerManager->getPlayer($login);
if (!$player) {
return;
}
// Parse command
$message = $callback[1][2];
$commandArray = explode(' ', $message);
$command = ltrim(strtolower($commandArray[0]), '/');
if (!$command) {
return;
}
if (substr($message, 0, 2) == '//' || $command == 'admin') {
// Admin command
$commandListeners = $this->adminCommandListeners;
if ($command == 'admin') {
// Strip 'admin' keyword
if (isset($commandArray[1])) {
$command = $commandArray[1];
unset($commandArray[1]);
}
}
unset($commandArray[0]);
// Compose uniformed message
$message = '//' . $command;
foreach ($commandArray as $commandPart) {
$message .= ' ' . $commandPart;
}
$callback[1][2] = $message;
} else {
// User command
$commandListeners = $this->commandListeners;
}
if (!array_key_exists($command, $commandListeners) || !is_array($commandListeners[$command])) {
// No command listener registered
return;
}
// Inform command listeners
foreach ($commandListeners[$command] as $listenerCallback) {
call_user_func($listenerCallback, $callback, $player);
}
}
}