system/libraries/Loader.php - code-igniter-v3-giggi - Gitiles

 <?php  if (!defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * Code Igniter
  *
  * An open source application development framework for PHP 4.3.2 or newer
  *
  * @package		CodeIgniter
  * @author		Rick Ellis
  * @copyright	Copyright (c) 2006, pMachine, Inc.
  * @license		http://www.codeignitor.com/user_guide/license.html
  * @link		http://www.codeigniter.com
  * @since		Version 1.0
  * @filesource
  */

 // ------------------------------------------------------------------------

 /**
  * Loader Class
  *
  * Loads views and files
  *
  * @package		CodeIgniter
  * @subpackage	Libraries
  * @author		Rick Ellis
  * @category	Loader
  * @link		http://www.codeigniter.com/user_guide/libraries/loader.html
  */
 class CI_Loader {

 	var $ob_level;
 	var $cached_vars	= array();
 	var $helpers		= array();
 	var $plugins		= array();
 	var $scripts		= array();
 	var $languages		= array();
 	var $view_path		= '';

 	/**
 	 * Constructor
 	 *
 	 * Sets the path to the view files and gets the initial output
 	 * buffering level
 	 *
 	 * @access	public
 	 */
 	function CI_Loader()
 	{
 		$this->view_path = APPPATH.'views/';
 		$this->ob_level = ob_get_level();

 		log_message('debug', "Loader Class Initialized");
 	}
 	// END CI_Loader()

 	// --------------------------------------------------------------------

 	/**
 	 * Class Loader
 	 *
 	 * This function lets users load and instantiate classes.
 	 * It is designed to be called from a user's app controllers.
 	 *
 	 * @access	public
 	 * @param	string	the name of the class
 	 * @param	mixed	any initialization parameters
 	 * @return	void
 	 */
 	function library($class, $param = FALSE)
 	{
 		if ($class == '')
 			return;

 		$obj =& get_instance();
 		$obj->_ci_initialize($class, $param);
 		$obj->_ci_assign_to_models();
 	}
 	// END library()

 	// --------------------------------------------------------------------

 	/**
 	 * Model Loader
 	 *
 	 * This function lets users load and instantiate models.
 	 *
 	 * @access	public
 	 * @param	string	the name of the class
 	 * @param	mixed	any initialization parameters
 	 * @return	void
 	 */
 	function model($model, $name = '', $db_conn = FALSE)
 	{
 		if ($model == '')
 			return;

 		$obj =& get_instance();
 		$obj->_ci_load_model($model, $name, $db_conn);
 	}
 	// END library()

 	// --------------------------------------------------------------------

 	/**
 	 * Database Loader
 	 *
 	 * @access	public
 	 * @param	string	the DB credentials
 	 * @param	bool	whether to return the DB object
 	 * @param	bool	whether to enable active record (this allows us to override the config setting)
 	 * @return	object
 	 */
 	function database($db = '', $return = FALSE, $active_record = FALSE)
 	{
 		$obj =& get_instance();

 		if ($return === TRUE)
 		{
 			return $obj->_ci_init_database($db, TRUE, $active_record);
 		}
 		else
 		{
 			$obj->_ci_init_database($db, FALSE, $active_record);
 			$obj->_ci_assign_to_models();
 		}
 	}
 	// END database()

 	// --------------------------------------------------------------------

 	/**
 	 * Database Utilities Loader
 	 *
 	 * @access	public
 	 * @param	string	the DB platform
 	 * @param	bool	whether to return the DB object
 	 * @return	object
 	 */
 	function dbutils($db = '', $return = FALSE)
 	{
 		$obj =& get_instance();

 		if ( ! is_bool($return))
 		{
 			$return = FALSE;
 		}

 		return $obj->_ci_init_dbutils($db, $return);
 	}
 	// END dbutils()

 	// --------------------------------------------------------------------

 	/**
 	 * Scaffolding Loader
 	 *
 	 * @access	public
 	 * @param	string
 	 * @return	void
 	 */
 	function scaffolding($table = '')
 	{
 		if ($table == FALSE)
 		{
 			show_error('You must include the name of the table you would like access when you initialize scaffolding');
 		}

 		$obj =& get_instance();
 		$obj->_ci_init_scaffolding($table);
 	}
 	// END scaffolding()

 	// --------------------------------------------------------------------

 	/**
 	 * Load View
 	 *
 	 * This function is used to load a "view" file.  It has three parameters:
 	 *
 	 * 1. The name of the "view" file to be included.
 	 * 2. An associative array of data to be extracted for use in the view.
 	 * 3. TRUE/FALSE - whether to return the data or load it.  In
 	 * some cases it's advantageous to be able to retun data so that
 	 * a developer can process it in some way.
 	 *
 	 * @access	public
 	 * @param	string
 	 * @param	array
 	 * @param	bool
 	 * @return	void
 	 */
 	function view($view, $vars = array(), $return = FALSE)
 	{
 		return $this->_ci_load(array('view' => $view, 'vars' => $this->_ci_object_to_array($vars), 'return' => $return));
 	}
 	// END view()

 	// --------------------------------------------------------------------

 	/**
 	 * Load File
 	 *
 	 * This is a generic file loader
 	 *
 	 * @access	public
 	 * @param	string
 	 * @param	bool
 	 * @return	string
 	 */
 	function file($path, $return = FALSE)
 	{
 		return $this->_ci_load(array('path' => $path, 'return' => $return));
 	}
 	// END file()

 	// --------------------------------------------------------------------

 	/**
 	 * Set Variables
 	 *
 	 * Once variables are set they become availabe within
 	 * the controller class and its "view" files.
 	 *
 	 * @access	public
 	 * @param	array
 	 * @return	void
 	 */
 	function vars($vars = array())
 	{
 		$vars = $this->_ci_object_to_array($vars);

 		if (is_array($vars) AND count($vars) > 0)
 		{
 			foreach ($vars as $key => $val)
 			{
 				$this->cached_vars[$key] = $val;
 			}
 		}
 	}
 	// END vars()

 	// --------------------------------------------------------------------

 	/**
 	 * Load Helper
 	 *
 	 * This function loads the specified helper file.
 	 *
 	 * @access	public
 	 * @param	mixed
 	 * @return	void
 	 */
 	function helper($helpers = array())
 	{
 		if ( ! is_array($helpers))
 		{
 			$helpers = array($helpers);
 		}

 		foreach ($helpers as $helper)
 		{
 			if (isset($this->helpers[$helper]))
 			{
 				continue;
 			}

 			$helper = strtolower(str_replace(EXT, '', str_replace('_helper', '', $helper)).'_helper');

 			if (file_exists(APPPATH.'helpers/'.$helper.EXT))
 			{
 				include_once(APPPATH.'helpers/'.$helper.EXT);
 			}
 			else
 			{
 				if (file_exists(BASEPATH.'helpers/'.$helper.EXT))
 				{
 					include_once(BASEPATH.'helpers/'.$helper.EXT);
 				}
 				else
 				{
 					show_error('Unable to load the requested file: helpers/'.$helper.EXT);
 				}
 			}

 			$this->helpers[$helper] = TRUE;
 		}

 		log_message('debug', 'Helpers loaded: '.implode(', ', $helpers));
 	}
 	// END helper()

 	// --------------------------------------------------------------------

 	/**
 	 * Load Helpers
 	 *
 	 * This is simply an alias to the above function in case the
 	 * user has written the plural form of this function.
 	 *
 	 * @access	public
 	 * @param	array
 	 * @return	void
 	 */
 	function helpers($helpers = array())
 	{
 		$this->helper($helpers);
 	}
 	// END helpers()

 	// --------------------------------------------------------------------

 	/**
 	 * Load Plugin
 	 *
 	 * This function loads the specified plugin.
 	 *
 	 * @access	public
 	 * @param	array
 	 * @return	void
 	 */
 	function plugin($plugins = array())
 	{
 		if ( ! is_array($plugins))
 		{
 			$plugins = array($plugins);
 		}

 		foreach ($plugins as $plugin)
 		{
 			if (isset($this->plugins[$plugin]))
 			{
 				continue;
 			}

 			$plugin = strtolower(str_replace(EXT, '', str_replace('_plugin.', '', $plugin)).'_pi');

 			if (file_exists(APPPATH.'plugins/'.$plugin.EXT))
 			{
 				include_once(APPPATH.'plugins/'.$plugin.EXT);
 			}
 			else
 			{
 				if (file_exists(BASEPATH.'plugins/'.$plugin.EXT))
 				{
 					include_once(BASEPATH.'plugins/'.$plugin.EXT);
 				}
 				else
 				{
 					show_error('Unable to load the requested file: plugins/'.$plugin.EXT);
 				}
 			}

 			$this->plugins[$plugin] = TRUE;
 		}

 		log_message('debug', 'Plugins loaded: '.implode(', ', $plugins));
 	}
 	// END plugin()

 	// --------------------------------------------------------------------

 	/**
 	 * Load Script
 	 *
 	 * This function loads the specified include file from the
 	 * application/scripts/ folder.
 	 *
 	 * NOTE:  This feature has been deprecated but it will remain available
 	 * for legacy users.
 	 *
 	 * @access	public
 	 * @param	array
 	 * @return	void
 	 */
 	function script($scripts = array())
 	{
 		if ( ! is_array($scripts))
 		{
 			$scripts = array($scripts);
 		}

 		foreach ($scripts as $script)
 		{
 			if (isset($this->scripts[$script]))
 			{
 				continue;
 			}

 			$script = strtolower(str_replace(EXT, '', $script));

 			if ( ! file_exists(APPPATH.'scripts/'.$script.EXT))
 			{
 				show_error('Unable to load the requested script: scripts/'.$script.EXT);
 			}

 			include_once(APPPATH.'scripts/'.$script.EXT);

 			$this->scripts[$script] = TRUE;
 		}

 		log_message('debug', 'Scripts loaded: '.implode(', ', $scripts));
 	}
 	// END script()

 	// --------------------------------------------------------------------

 	/**
 	 * Load Plugins
 	 *
 	 * This is simply an alias to the above function in case the
 	 * user has written the plural form of this function.
 	 *
 	 * @access	public
 	 * @param	array
 	 * @return	void
 	 */
 	function plugins($plugins = array())
 	{
 		$this->plugin($plugins);
 	}
 	// END plugins()

 	// --------------------------------------------------------------------

 	/**
 	 * Loads a language file
 	 *
 	 * @access	public
 	 * @param	string
 	 * @return	void
 	 */
 	function language($file = '', $lang = '', $return = FALSE)
 	{
 		$obj =& get_instance();
 		return $obj->lang->load($file, $lang, $return);
 	}
 	// END language()

 	// --------------------------------------------------------------------

 	/**
 	 * Loads a config file
 	 *
 	 * @access	public
 	 * @param	string
 	 * @return	void
 	 */
 	function config($file = '')
 	{
 		$obj =& get_instance();
 		$obj->config->load($file);
 	}
 	// END config()

 	// --------------------------------------------------------------------

 	/**
 	 * Set the Path to the "views" folder
 	 *
 	 * @access	private
 	 * @param	string
 	 * @return	void
 	 */
 	function _ci_set_view_path($path)
 	{
 		$this->view_path = $path;
 	}
 	// END _ci_set_view_path()

 	// --------------------------------------------------------------------

 	/**
 	 * Loader
 	 *
 	 * This function isn't called directly.  It's called from
 	 * the two functions above.  It's used to load views and files
 	 *
 	 * @access	private
 	 * @param	array
 	 * @return	void
 	 */
 	function _ci_load($data)
 	{
 		// This allows anything loaded using $this->load (viwes, files, etc.)
 		// to become accessible from within the Controller and Model functions.
 		$obj =& get_instance();
 		foreach ($obj->ci_is_loaded as $val)
 		{
 			if ( ! isset($this->$val))
 			{
 				$this->$val =& $obj->$val;
 			}
 		}

 		// Set the default data variables
 		foreach (array('view', 'vars', 'path', 'return') as $val)
 		{
 			$$val = ( ! isset($data[$val])) ? FALSE : $data[$val];
 		}

 		/*
 		 * Extract and cache variables
 		 *
 		 * You can either set variables using the dedicated $this->load_vars()
 		 * function or via the second parameter of this function. We'll merge
 		 * the two types and cache them so that views that are embedded within
 		 * other views can have access to these variables.
 		 */
 		if (is_array($vars))
 		{
 			$this->cached_vars = array_merge($this->cached_vars, $vars);
 		}
 		extract($this->cached_vars);

 		// Set the path to the requested file
 		if ($path == '')
 		{
 			$ext = pathinfo($view, PATHINFO_EXTENSION);
 			$file = ($ext == '') ? $view.EXT : $view;
 			$path = $this->view_path.$file;
 		}
 		else
 		{
 			$x = explode('/', $path);
 			$file = end($x);
 		}

 		/*
 		 * Buffer the output
 		 *
 		 * We buffer the output for two reasons:
 		 * 1. Speed. You get a significant speed boost.
 		 * 2. So that the final rendered template can be
 		 * post-processed by the output class.  Why do we
 		 * need post processing?  For one thing, in order to
 		 * show the elapsed page load time.  Unless we
 		 * can intercept the content right before it's sent to
 		 * the browser and then stop the timer it won't be acurate.
 		 */
 		if ( ! file_exists($path))
 		{
 			show_error('Unable to load the requested file: '.$file);
 		}

 		ob_start();

 		include($path);
 		log_message('debug', 'File loaded: '.$path);

 		// Return the file data if requested to
 		if ($return === TRUE)
 		{
 			$buffer = ob_get_contents();
 			ob_end_clean();

 			return $buffer;
 		}

 		/*
 		 * Flush the buffer... or buff the flusher?
 		 *
 		 * In order to permit views to be nested within
 		 * other views, we need to flush the content back out whenever
 		 * we are beyond the first level of output buffering so that
 		 * it can be seen and included  properly by the first included
 		 * template and any subsequent ones. Oy!
 		 *
 		 */
 		if (ob_get_level() > $this->ob_level + 1)
 		{
 			ob_end_flush();
 		}
 		else
 		{
 			$obj->output->set_output(ob_get_contents());
 			ob_end_clean();
 		}
 	}
 	// END _load()

 	// --------------------------------------------------------------------

 	/**
 	 * Autoloader
 	 *
 	 * The config/autoload.php file contains an array that permits sub-systems,
 	 * plugins, and helpers to be loaded automatically.
 	 *
 	 * @access	private
 	 * @param	array
 	 * @return	void
 	 */
 	function _ci_autoloader($autoload)
 	{
 		if ($autoload === FALSE)
 		{
 			return;
 		}

 		foreach (array('helper', 'plugin', 'script') as $type)
 		{
 			if (isset($autoload[$type]))
 			{
 				$this->$type($autoload[$type]);
 			}
 		}
 	}
 	// END _ci_autoloader()

 	// --------------------------------------------------------------------

 	/**
 	 * Object to Array
 	 *
 	 * Takes an object as input and convers the class variables to array key/vals
 	 *
 	 * @access	public
 	 * @param	object
 	 * @return	array
 	 */
 	function _ci_object_to_array($object)
 	{
 		return (is_object($object)) ? get_object_vars($object) : $object;
 	}
 	// END _ci_object_to_array()

 }
 ?>
	<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
	/**
	* Code Igniter
	*
	* An open source application development framework for PHP 4.3.2 or newer
	*
	* @package CodeIgniter
	* @author Rick Ellis
	* @copyright Copyright (c) 2006, pMachine, Inc.
	* @license http://www.codeignitor.com/user_guide/license.html
	* @link http://www.codeigniter.com
	* @since Version 1.0
	* @filesource
	*/

	// ------------------------------------------------------------------------

	/**
	* Loader Class
	*
	* Loads views and files
	*
	* @package CodeIgniter
	* @subpackage Libraries
	* @author Rick Ellis
	* @category Loader
	* @link http://www.codeigniter.com/user_guide/libraries/loader.html
	*/
	class CI_Loader {

	var $ob_level;
	var $cached_vars = array();
	var $helpers = array();
	var $plugins = array();
	var $scripts = array();
	var $languages = array();
	var $view_path = '';

	/**
	* Constructor
	*
	* Sets the path to the view files and gets the initial output
	* buffering level
	*
	* @access public
	*/
	function CI_Loader()
	{
	$this->view_path = APPPATH.'views/';
	$this->ob_level = ob_get_level();

	log_message('debug', "Loader Class Initialized");
	}
	// END CI_Loader()

	// --------------------------------------------------------------------

	/**
	* Class Loader
	*
	* This function lets users load and instantiate classes.
	* It is designed to be called from a user's app controllers.
	*
	* @access public
	* @param string the name of the class
	* @param mixed any initialization parameters
	* @return void
	*/
	function library($class, $param = FALSE)
	{
	if ($class == '')
	return;

	$obj =& get_instance();
	$obj->_ci_initialize($class, $param);
	$obj->_ci_assign_to_models();
	}
	// END library()

	// --------------------------------------------------------------------

	/**
	* Model Loader
	*
	* This function lets users load and instantiate models.
	*
	* @access public
	* @param string the name of the class
	* @param mixed any initialization parameters
	* @return void
	*/
	function model($model, $name = '', $db_conn = FALSE)
	{
	if ($model == '')
	return;

	$obj =& get_instance();
	$obj->_ci_load_model($model, $name, $db_conn);
	}
	// END library()

	// --------------------------------------------------------------------

	/**
	* Database Loader
	*
	* @access public
	* @param string the DB credentials
	* @param bool whether to return the DB object
	* @param bool whether to enable active record (this allows us to override the config setting)
	* @return object
	*/
	function database($db = '', $return = FALSE, $active_record = FALSE)
	{
	$obj =& get_instance();

	if ($return === TRUE)
	{
	return $obj->_ci_init_database($db, TRUE, $active_record);
	}
	else
	{
	$obj->_ci_init_database($db, FALSE, $active_record);
	$obj->_ci_assign_to_models();
	}
	}
	// END database()

	// --------------------------------------------------------------------

	/**
	* Database Utilities Loader
	*
	* @access public
	* @param string the DB platform
	* @param bool whether to return the DB object
	* @return object
	*/
	function dbutils($db = '', $return = FALSE)
	{
	$obj =& get_instance();

	if ( ! is_bool($return))
	{
	$return = FALSE;
	}

	return $obj->_ci_init_dbutils($db, $return);
	}
	// END dbutils()

	// --------------------------------------------------------------------

	/**
	* Scaffolding Loader
	*
	* @access public
	* @param string
	* @return void
	*/
	function scaffolding($table = '')
	{
	if ($table == FALSE)
	{
	show_error('You must include the name of the table you would like access when you initialize scaffolding');
	}

	$obj =& get_instance();
	$obj->_ci_init_scaffolding($table);
	}
	// END scaffolding()

	// --------------------------------------------------------------------

	/**
	* Load View
	*
	* This function is used to load a "view" file. It has three parameters:
	*
	* 1. The name of the "view" file to be included.
	* 2. An associative array of data to be extracted for use in the view.
	* 3. TRUE/FALSE - whether to return the data or load it. In
	* some cases it's advantageous to be able to retun data so that
	* a developer can process it in some way.
	*
	* @access public
	* @param string
	* @param array
	* @param bool
	* @return void
	*/
	function view($view, $vars = array(), $return = FALSE)
	{
	return $this->_ci_load(array('view' => $view, 'vars' => $this->_ci_object_to_array($vars), 'return' => $return));
	}
	// END view()

	// --------------------------------------------------------------------

	/**
	* Load File
	*
	* This is a generic file loader
	*
	* @access public
	* @param string
	* @param bool
	* @return string
	*/
	function file($path, $return = FALSE)
	{
	return $this->_ci_load(array('path' => $path, 'return' => $return));
	}
	// END file()

	// --------------------------------------------------------------------

	/**
	* Set Variables
	*
	* Once variables are set they become availabe within
	* the controller class and its "view" files.
	*
	* @access public
	* @param array
	* @return void
	*/
	function vars($vars = array())
	{
	$vars = $this->_ci_object_to_array($vars);

	if (is_array($vars) AND count($vars) > 0)
	{
	foreach ($vars as $key => $val)
	{
	$this->cached_vars[$key] = $val;
	}
	}
	}
	// END vars()

	// --------------------------------------------------------------------

	/**
	* Load Helper
	*
	* This function loads the specified helper file.
	*
	* @access public
	* @param mixed
	* @return void
	*/
	function helper($helpers = array())
	{
	if ( ! is_array($helpers))
	{
	$helpers = array($helpers);
	}

	foreach ($helpers as $helper)
	{
	if (isset($this->helpers[$helper]))
	{
	continue;
	}

	$helper = strtolower(str_replace(EXT, '', str_replace('_helper', '', $helper)).'_helper');

	if (file_exists(APPPATH.'helpers/'.$helper.EXT))
	{
	include_once(APPPATH.'helpers/'.$helper.EXT);
	}
	else
	{
	if (file_exists(BASEPATH.'helpers/'.$helper.EXT))
	{
	include_once(BASEPATH.'helpers/'.$helper.EXT);
	}
	else
	{
	show_error('Unable to load the requested file: helpers/'.$helper.EXT);
	}
	}

	$this->helpers[$helper] = TRUE;
	}

	log_message('debug', 'Helpers loaded: '.implode(', ', $helpers));
	}
	// END helper()

	// --------------------------------------------------------------------

	/**
	* Load Helpers
	*
	* This is simply an alias to the above function in case the
	* user has written the plural form of this function.
	*
	* @access public
	* @param array
	* @return void
	*/
	function helpers($helpers = array())
	{
	$this->helper($helpers);
	}
	// END helpers()

	// --------------------------------------------------------------------

	/**
	* Load Plugin
	*
	* This function loads the specified plugin.
	*
	* @access public
	* @param array
	* @return void
	*/
	function plugin($plugins = array())
	{
	if ( ! is_array($plugins))
	{
	$plugins = array($plugins);
	}

	foreach ($plugins as $plugin)
	{
	if (isset($this->plugins[$plugin]))
	{
	continue;
	}

	$plugin = strtolower(str_replace(EXT, '', str_replace('_plugin.', '', $plugin)).'_pi');

	if (file_exists(APPPATH.'plugins/'.$plugin.EXT))
	{
	include_once(APPPATH.'plugins/'.$plugin.EXT);
	}
	else
	{
	if (file_exists(BASEPATH.'plugins/'.$plugin.EXT))
	{
	include_once(BASEPATH.'plugins/'.$plugin.EXT);
	}
	else
	{
	show_error('Unable to load the requested file: plugins/'.$plugin.EXT);
	}
	}

	$this->plugins[$plugin] = TRUE;
	}

	log_message('debug', 'Plugins loaded: '.implode(', ', $plugins));
	}
	// END plugin()

	// --------------------------------------------------------------------

	/**
	* Load Script
	*
	* This function loads the specified include file from the
	* application/scripts/ folder.
	*
	* NOTE: This feature has been deprecated but it will remain available
	* for legacy users.
	*
	* @access public
	* @param array
	* @return void
	*/
	function script($scripts = array())
	{
	if ( ! is_array($scripts))
	{
	$scripts = array($scripts);
	}

	foreach ($scripts as $script)
	{
	if (isset($this->scripts[$script]))
	{
	continue;
	}

	$script = strtolower(str_replace(EXT, '', $script));

	if ( ! file_exists(APPPATH.'scripts/'.$script.EXT))
	{
	show_error('Unable to load the requested script: scripts/'.$script.EXT);
	}

	include_once(APPPATH.'scripts/'.$script.EXT);

	$this->scripts[$script] = TRUE;
	}

	log_message('debug', 'Scripts loaded: '.implode(', ', $scripts));
	}
	// END script()

	// --------------------------------------------------------------------

	/**
	* Load Plugins
	*
	* This is simply an alias to the above function in case the
	* user has written the plural form of this function.
	*
	* @access public
	* @param array
	* @return void
	*/
	function plugins($plugins = array())
	{
	$this->plugin($plugins);
	}
	// END plugins()

	// --------------------------------------------------------------------

	/**
	* Loads a language file
	*
	* @access public
	* @param string
	* @return void
	*/
	function language($file = '', $lang = '', $return = FALSE)
	{
	$obj =& get_instance();
	return $obj->lang->load($file, $lang, $return);
	}
	// END language()

	// --------------------------------------------------------------------

	/**
	* Loads a config file
	*
	* @access public
	* @param string
	* @return void
	*/
	function config($file = '')
	{
	$obj =& get_instance();
	$obj->config->load($file);
	}
	// END config()

	// --------------------------------------------------------------------

	/**
	* Set the Path to the "views" folder
	*
	* @access private
	* @param string
	* @return void
	*/
	function _ci_set_view_path($path)
	{
	$this->view_path = $path;
	}
	// END _ci_set_view_path()

	// --------------------------------------------------------------------

	/**
	* Loader
	*
	* This function isn't called directly. It's called from
	* the two functions above. It's used to load views and files
	*
	* @access private
	* @param array
	* @return void
	*/
	function _ci_load($data)
	{
	// This allows anything loaded using $this->load (viwes, files, etc.)
	// to become accessible from within the Controller and Model functions.
	$obj =& get_instance();
	foreach ($obj->ci_is_loaded as $val)
	{
	if ( ! isset($this->$val))
	{
	$this->$val =& $obj->$val;
	}
	}

	// Set the default data variables
	foreach (array('view', 'vars', 'path', 'return') as $val)
	{
	$$val = ( ! isset($data[$val])) ? FALSE : $data[$val];
	}

	/*
	* Extract and cache variables
	*
	* You can either set variables using the dedicated $this->load_vars()
	* function or via the second parameter of this function. We'll merge
	* the two types and cache them so that views that are embedded within
	* other views can have access to these variables.
	*/
	if (is_array($vars))
	{
	$this->cached_vars = array_merge($this->cached_vars, $vars);
	}
	extract($this->cached_vars);

	// Set the path to the requested file
	if ($path == '')
	{
	$ext = pathinfo($view, PATHINFO_EXTENSION);
	$file = ($ext == '') ? $view.EXT : $view;
	$path = $this->view_path.$file;
	}
	else
	{
	$x = explode('/', $path);
	$file = end($x);
	}

	/*
	* Buffer the output
	*
	* We buffer the output for two reasons:
	* 1. Speed. You get a significant speed boost.
	* 2. So that the final rendered template can be
	* post-processed by the output class. Why do we
	* need post processing? For one thing, in order to
	* show the elapsed page load time. Unless we
	* can intercept the content right before it's sent to
	* the browser and then stop the timer it won't be acurate.
	*/
	if ( ! file_exists($path))
	{
	show_error('Unable to load the requested file: '.$file);
	}

	ob_start();

	include($path);
	log_message('debug', 'File loaded: '.$path);

	// Return the file data if requested to
	if ($return === TRUE)
	{
	$buffer = ob_get_contents();
	ob_end_clean();

	return $buffer;
	}

	/*
	* Flush the buffer... or buff the flusher?
	*
	* In order to permit views to be nested within
	* other views, we need to flush the content back out whenever
	* we are beyond the first level of output buffering so that
	* it can be seen and included properly by the first included
	* template and any subsequent ones. Oy!
	*
	*/
	if (ob_get_level() > $this->ob_level + 1)
	{
	ob_end_flush();
	}
	else
	{
	$obj->output->set_output(ob_get_contents());
	ob_end_clean();
	}
	}
	// END _load()

	// --------------------------------------------------------------------

	/**
	* Autoloader
	*
	* The config/autoload.php file contains an array that permits sub-systems,
	* plugins, and helpers to be loaded automatically.
	*
	* @access private
	* @param array
	* @return void
	*/
	function _ci_autoloader($autoload)
	{
	if ($autoload === FALSE)
	{
	return;
	}

	foreach (array('helper', 'plugin', 'script') as $type)
	{
	if (isset($autoload[$type]))
	{
	$this->$type($autoload[$type]);
	}
	}
	}
	// END _ci_autoloader()

	// --------------------------------------------------------------------

	/**
	* Object to Array
	*
	* Takes an object as input and convers the class variables to array key/vals
	*
	* @access public
	* @param object
	* @return array
	*/
	function _ci_object_to_array($object)
	{
	return (is_object($object)) ? get_object_vars($object) : $object;
	}
	// END _ci_object_to_array()

	}
	?>