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<?php
/**
* Phergie
*
* PHP version 5
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.
* It is also available through the world-wide-web at this URL:
* http://phergie.org/license
*
* @category Phergie
* @package Phergie_Plugin_Reload
* @author Phergie Development Team <team@phergie.org>
* @copyright 2008-2010 Phergie Development Team (http://phergie.org)
* @license http://phergie.org/license New BSD License
* @link http://pear.phergie.org/package/Phergie_Plugin_Reload
*/
/**
* Facilitates reloading of individual plugins for development purposes.
* Note that, because existing class definitions cannot be removed from
* memory, increased memory usage is an expected result of using this plugin.
*
* @category Phergie
* @package Phergie_Plugin_Reload
* @author Phergie Development Team <team@phergie.org>
* @license http://phergie.org/license New BSD License
* @link http://pear.phergie.org/package/Phergie_Plugin_Reload
* @uses Phergie_Plugin_Command pear.phergie.org
*/
class Phergie_Plugin_Reload extends Phergie_Plugin_Abstract
{
/**
* Checks for dependencies.
*
* @return void
*/
public function onLoad()
{
$this->getPluginHandler()->getPlugin('Command');
}
/**
* Reloads a specified plugin.
*
* @param string $plugin Short name of the plugin to reload
*
* @return void
*/
public function onCommandReload($plugin)
{
$plugin = ucfirst($plugin);
if (!$this->plugins->hasPlugin($plugin)) {
echo 'DEBUG(Reload): ' . ucfirst($plugin) . ' is not loaded yet, loading', PHP_EOL;
$this->plugins->getPlugin($plugin);
$this->plugins->command->populateMethodCache();
return;
}
try {
$info = $this->plugins->getPluginInfo($plugin);
} catch (Phergie_Plugin_Exception $e) {
$source = $this->event->getSource();
$nick = $this->event->getNick();
$this->doNotice($source, $nick . ': ' . $e->getMessage());
return;
}
$class = $info['class'];
$contents = file_get_contents($info['file']);
$newClass = $class . '_' . sha1($contents);
if (class_exists($newClass, false)) {
echo 'DEBUG(Reload): Class ', $class, ' has not changed since last reload', PHP_EOL;
return;
}
$contents = preg_replace(
array('/^<\?(?:php)?/', '/class\s+' . $class . '/i'),
array('', 'class ' . $newClass),
$contents
);
eval($contents);
$instance = new $newClass;
$instance->setName($plugin);
$instance->setEvent($this->event);
$this->plugins
->removePlugin($plugin)
->addPlugin($instance);
$this->plugins->command->populateMethodCache();
if ($this->plugins->hasPlugin('Help')) {
$this->plugins->help->populateRegistry();
}
echo 'DEBUG(Reload): Reloaded ', $class, ' to ', $newClass, PHP_EOL;
}
}
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