/**
* createDB
*
* @access private
* @return reference
*/
private static function &createDB()
{
if (is_null(self::$dbDriver)) {
$dsn = null;
$class = 'Framework_DB';
$file = null;
if (isset(Framework::$site->config->dbClass)) {
$class = 'Framework_DB_' . (string) Framework::$site->config->dbClass;
$file = 'Framework/DB/' . Framework::$site->config->dbClass . '.php';
}
if (isset(Framework::$site->config->dsn)) {
$dsn = (string) Framework::$site->config->dsn;
} else {
$class = 'Framework_DB_None';
}
if (!is_null($file)) {
if (!(include_once $file)) {
return PEAR::raiseError('Could not load class file: ' . $file);
}
}
self::$dbDriver = new $class();
}
if (is_null(Framework::$db)) {
self::$dbDriver->start($dsn);
}
return Framework::$db;
}
