/home/desid573/public_html/ims2/system/libraries
Edit: /home/desid573/public_html/ims2/system/libraries/Driver.php (8341B)
load_driver($child);
}
/**
* Load driver
*
* Separate load_driver call to support explicit driver load by library or user
*
* @param string Driver name (w/o parent prefix)
* @return object Child class
*/
public function load_driver($child)
{
// Get CodeIgniter instance and subclass prefix
$prefix = config_item('subclass_prefix');
if ( ! isset($this->lib_name))
{
// Get library name without any prefix
$this->lib_name = str_replace(array('CI_', $prefix), '', get_class($this));
}
// The child will be prefixed with the parent lib
$child_name = $this->lib_name.'_'.$child;
// See if requested child is a valid driver
if ( ! in_array($child, $this->valid_drivers))
{
// The requested driver isn't valid!
$msg = 'Invalid driver requested: '.$child_name;
log_message('error', $msg);
show_error($msg);
}
// Get package paths and filename case variations to search
$CI = get_instance();
$paths = $CI->load->get_package_paths(TRUE);
// Is there an extension?
$class_name = $prefix.$child_name;
$found = class_exists($class_name, FALSE);
if ( ! $found)
{
// Check for subclass file
foreach ($paths as $path)
{
// Does the file exist?
$file = $path.'libraries/'.$this->lib_name.'/drivers/'.$prefix.$child_name.'.php';
if (file_exists($file))
{
// Yes - require base class from BASEPATH
$basepath = BASEPATH.'libraries/'.$this->lib_name.'/drivers/'.$child_name.'.php';
if ( ! file_exists($basepath))
{
$msg = 'Unable to load the requested class: CI_'.$child_name;
log_message('error', $msg);
show_error($msg);
}
// Include both sources and mark found
include_once($basepath);
include_once($file);
$found = TRUE;
break;
}
}
}
// Do we need to search for the class?
if ( ! $found)
{
// Use standard class name
$class_name = 'CI_'.$child_name;
if ( ! class_exists($class_name, FALSE))
{
// Check package paths
foreach ($paths as $path)
{
// Does the file exist?
$file = $path.'libraries/'.$this->lib_name.'/drivers/'.$child_name.'.php';
if (file_exists($file))
{
// Include source
include_once($file);
break;
}
}
}
}
// Did we finally find the class?
if ( ! class_exists($class_name, FALSE))
{
if (class_exists($child_name, FALSE))
{
$class_name = $child_name;
}
else
{
$msg = 'Unable to load the requested driver: '.$class_name;
log_message('error', $msg);
show_error($msg);
}
}
// Instantiate, decorate and add child
$obj = new $class_name();
$obj->decorate($this);
$this->$child = $obj;
return $this->$child;
}
}
// --------------------------------------------------------------------------
/**
* CodeIgniter Driver Class
*
* This class enables you to create drivers for a Library based on the Driver Library.
* It handles the drivers' access to the parent library
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author EllisLab Dev Team
* @link
*/
class CI_Driver {
/**
* Instance of the parent class
*
* @var object
*/
protected $_parent;
/**
* List of methods in the parent class
*
* @var array
*/
protected $_methods = array();
/**
* List of properties in the parent class
*
* @var array
*/
protected $_properties = array();
/**
* Array of methods and properties for the parent class(es)
*
* @static
* @var array
*/
protected static $_reflections = array();
/**
* Decorate
*
* Decorates the child with the parent driver lib's methods and properties
*
* @param object
* @return void
*/
public function decorate($parent)
{
$this->_parent = $parent;
// Lock down attributes to what is defined in the class
// and speed up references in magic methods
$class_name = get_class($parent);
if ( ! isset(self::$_reflections[$class_name]))
{
$r = new ReflectionObject($parent);
foreach ($r->getMethods() as $method)
{
if ($method->isPublic())
{
$this->_methods[] = $method->getName();
}
}
foreach ($r->getProperties() as $prop)
{
if ($prop->isPublic())
{
$this->_properties[] = $prop->getName();
}
}
self::$_reflections[$class_name] = array($this->_methods, $this->_properties);
}
else
{
list($this->_methods, $this->_properties) = self::$_reflections[$class_name];
}
}
// --------------------------------------------------------------------
/**
* __call magic method
*
* Handles access to the parent driver library's methods
*
* @param string
* @param array
* @return mixed
*/
public function __call($method, $args = array())
{
if (in_array($method, $this->_methods))
{
return call_user_func_array(array($this->_parent, $method), $args);
}
throw new BadMethodCallException('No such method: '.$method.'()');
}
// --------------------------------------------------------------------
/**
* __get magic method
*
* Handles reading of the parent driver library's properties
*
* @param string
* @return mixed
*/
public function __get($var)
{
if (in_array($var, $this->_properties))
{
return $this->_parent->$var;
}
}
// --------------------------------------------------------------------
/**
* __set magic method
*
* Handles writing to the parent driver library's properties
*
* @param string
* @param array
* @return mixed
*/
public function __set($var, $val)
{
if (in_array($var, $this->_properties))
{
$this->_parent->$var = $val;
}
}
}