/**
* Class factory. This is used for instantiating the extended classes.
*
* @param string The type of the class to be called (user, forum etc.)
* @param vB_Registry An instance of the vB_Registry object.
* @param integer One of the ERRTYPE_x constants
* @param string Option to force loading a class from a specific file; no extension
*
* @return vB_DataManager An instance of the desired class
*/
function &datamanager_init($classtype, &$registry, $errtype = ERRTYPE_STANDARD, $forcefile = '')
{
static $called;
if (empty($called)) {
// include the abstract base class
require_once DIR . '/includes/class_dm.php';
$called = true;
}
if (preg_match('#^\\w+$#', $classtype)) {
$classtype = strtolower($classtype);
if ($forcefile) {
$classfile = preg_replace('#[^a-z0-9_]#i', '', $forcefile);
} else {
$classfile = str_replace('_multiple', '', $classtype);
}
require_once DIR . '/includes/class_dm_' . $classfile . '.php';
switch ($classtype) {
case 'attachment':
$object = vB_DataManager_Attachment::fetch_library($registry, $errtype);
break;
case 'userpic_avatar':
case 'userpic_profilepic':
case 'userpic_sigpic':
$object = vB_DataManager_Userpic::fetch_library($registry, $errtype, $classtype);
break;
default:
$classname = 'vB_DataManager_' . $classtype;
$object = new $classname($registry, $errtype);
}
return $object;
}
}
