system/libraries/Controller.php

<?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
 */
 
// ------------------------------------------------------------------------

/**
 * Code Igniter Application Controller Class
 *
 * This class object is the the super class the every library in 
 * Code Igniter will be assigned to.
 *
 * @package		CodeIgniter
 * @subpackage	Libraries
 * @category	Libraries
 * @author		Rick Ellis
 * @link		http://www.codeigniter.com/user_guide/general/controllers.html
 */
class Controller extends CI_Base {

	var $_ci_scaffolding	= FALSE;
	var $_ci_scaff_table	= FALSE;
	
	/**
	 * Constructor
	 *
	 * Calls the initialize() function
	 */
	function Controller()
	{	
		parent::CI_Base();
		$this->_ci_initialize();
		log_message('debug', "Controller Class Initialized");
	}
  
	// --------------------------------------------------------------------

	/**
	 * Initialize
	 *
	 * Assigns all the bases classes loaded by the front controller to
	 * variables in this class.  Also calls the autoload routine.
	 *
	 * @access	private
	 * @return	void
	 */  
	function _ci_initialize()
	{
		// Assign all the class objects that were instantiated by the
		// front controller to local class variables so that CI can be 
		// run as one big super object.
		$classes = array(
							'config'	=> 'Config', 
							'input'		=> 'Input', 
							'benchmark'	=> 'Benchmark', 
							'uri'		=> 'URI', 
							'output'	=> 'Output',
							'lang'		=> 'Language'
							);
		
		foreach ($classes as $var => $class)
		{
			$this->$var =& _load_class($class);
		}
		
		
		// In PHP 5 the Controller class is run as a discreet 
		// class.  In PHP 4 it extends the Controller
		if (floor(phpversion()) >= 5)
		{
			$this->load = new CI_Loader();
			$this->load->_ci_use_instance = TRUE;
			$this->load->_ci_autoloader();
		}
		else
		{
			$this->_ci_autoloader();
		}
	}
    
	// --------------------------------------------------------------------
	
	/**
	 * Run Scaffolding
	 *
	 * @access	private
	 * @return	void
	 */	
    function _ci_scaffolding()
    {
		if ($this->_ci_scaffolding === FALSE OR $this->_ci_scaff_table === FALSE)
		{
			show_404('Scaffolding unavailable');
		}
		
		$method = ( ! in_array($this->uri->segment(3), array('add', 'insert', 'edit', 'update', 'view', 'delete', 'do_delete'), TRUE)) ? 'view' : $this->uri->segment(3);
		
		require_once(BASEPATH.'scaffolding/Scaffolding'.EXT);
		$scaff = new Scaffolding($this->_ci_scaff_table);
		$scaff->$method();
    }
    

}
// END _Controller class
?>