drupal-civicrm/sites/all/modules/civicrm/CRM/Extension/ClassLoader.php
2018-01-14 13:10:16 +00:00

154 lines
4.6 KiB
PHP

<?php
/*
+--------------------------------------------------------------------+
| CiviCRM version 4.7 |
+--------------------------------------------------------------------+
| Copyright CiviCRM LLC (c) 2004-2017 |
+--------------------------------------------------------------------+
| This file is a part of CiviCRM. |
| |
| CiviCRM is free software; you can copy, modify, and distribute it |
| under the terms of the GNU Affero General Public License |
| Version 3, 19 November 2007 and the CiviCRM Licensing Exception. |
| |
| CiviCRM is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| See the GNU Affero General Public License for more details. |
| |
| You should have received a copy of the GNU Affero General Public |
| License and the CiviCRM Licensing Exception along |
| with this program; if not, contact CiviCRM LLC |
| at info[AT]civicrm[DOT]org. If you have questions about the |
| GNU Affero General Public License or the licensing of CiviCRM, |
| see the CiviCRM license FAQ at http://civicrm.org/licensing |
+--------------------------------------------------------------------+
*/
/**
*
*
* @package CRM
* @copyright CiviCRM LLC (c) 2004-2017
* $Id$
*
*/
class CRM_Extension_ClassLoader {
/**
* @var CRM_Extension_Mapper
*/
protected $mapper;
/**
* @var CRM_Extension_Container_Interface
*/
protected $container;
/**
* @var CRM_Extension_Manager
*/
protected $manager;
/**
* @var \Composer\Autoload\ClassLoader
*/
protected $loader;
/**
* CRM_Extension_ClassLoader constructor.
* @param \CRM_Extension_Mapper $mapper
* @param \CRM_Extension_Container_Interface $container
* @param \CRM_Extension_Manager $manager
*/
public function __construct(\CRM_Extension_Mapper $mapper, \CRM_Extension_Container_Interface $container, \CRM_Extension_Manager $manager) {
$this->mapper = $mapper;
$this->container = $container;
$this->manager = $manager;
}
public function __destruct() {
$this->unregister();
}
/**
* Registers this instance as an autoloader.
* @return CRM_Extension_ClassLoader
*/
public function register() {
// In pre-installation environments, don't bother with caching.
if (!defined('CIVICRM_TEMPLATE_COMPILEDIR') || !defined('CIVICRM_DSN') || defined('CIVICRM_TEST') || \CRM_Utils_System::isInUpgradeMode()) {
return $this->buildClassLoader()->register();
}
$file = $this->getCacheFile();
if (file_exists($file)) {
$loader = require $file;
}
else {
$loader = $this->buildClassLoader();
$ser = serialize($loader);
file_put_contents($file,
sprintf("<?php\nreturn unserialize(%s);", var_export($ser, 1))
);
}
return $loader->register();
}
/**
* @return \Composer\Autoload\ClassLoader
* @throws \CRM_Extension_Exception
* @throws \Exception
*/
public function buildClassLoader() {
$loader = new \Composer\Autoload\ClassLoader();
$statuses = $this->manager->getStatuses();
foreach ($statuses as $key => $status) {
if ($status !== CRM_Extension_Manager::STATUS_INSTALLED) {
continue;
}
$path = $this->mapper->keyToBasePath($key);
$info = $this->mapper->keyToInfo($key);
if (!empty($info->classloader)) {
foreach ($info->classloader as $mapping) {
switch ($mapping['type']) {
case 'psr4':
$loader->addPsr4($mapping['prefix'], $path . '/' . $mapping['path']);
break;
}
$result[] = $mapping;
}
}
}
return $loader;
}
public function unregister() {
if ($this->loader) {
$this->loader->unregister();
$this->loader = NULL;
}
}
public function refresh() {
$this->unregister();
$file = $this->getCacheFile();
if (file_exists($file)) {
unlink($file);
}
$this->register();
}
/**
* @return string
*/
protected function getCacheFile() {
$envId = \CRM_Core_Config_Runtime::getId();
$file = CIVICRM_TEMPLATE_COMPILEDIR . "/CachedExtLoader.{$envId}.php";
return $file;
}
}