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<?php
/**
* Copyright (C) 2008-2012 FluxBB
* based on code by Rickard Andersson copyright (C) 2002-2008 PunBB
* License: http://www.gnu.org/licenses/gpl.html GPL version 2 or higher
*/
// Make sure no one attempts to run this script "directly"
if (!defined('PUN'))
exit;
/**
* Class flux_addon_manager
*
* This class is responsible for loading the addons and storing their hook listeners.
*/
class flux_addon_manager
{
var $hooks = array();
var $loaded = false;
function load()
{
$this->loaded = true;
$d = dir(PUN_ROOT.'addons');
if (!$d) return;
while (($addon_file = $d->read()) !== false)
{
if (!is_dir(PUN_ROOT.'addons/'.$addon_file) && preg_match('%(\w+)\.php$%', $addon_file))
{
$addon_name = 'addon_'.substr($addon_file, 0, -4);
include PUN_ROOT.'addons/'.$addon_file;
$addon = new $addon_name;
$addon->register($this);
}
}
$d->close();
}
function bind($hook, $callback)
{
if (!isset($this->hooks[$hook]))
$this->hooks[$hook] = array();
if (is_callable($callback))
$this->hooks[$hook][] = $callback;
}
function hook($name)
{
if (!$this->loaded)
$this->load();
$callbacks = isset($this->hooks[$name]) ? $this->hooks[$name] : array();
// Execute every registered callback for this hook
foreach ($callbacks as $callback)
{
list($addon, $method) = $callback;
$addon->$method();
}
}
}
/**
* Class flux_addon
*
* This class can be extended to provide addon functionality.
* Subclasses should implement the register method which will be called so that they have a chance to register possible
* listeners for all hooks.
*/
class flux_addon
{
function register($manager)
{ }
}
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