Subversion Repositories Applications.papyrus

<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');

/**

 * CodeIgniter

 *

 * An open source application development framework for PHP 4.3.2 or newer

 *

 * @package		CodeIgniter

 * @author		ExpressionEngine Dev Team

 * @copyright	Copyright (c) 2008, EllisLab, Inc.

 * @license		http://codeigniter.com/user_guide/license.html

 * @link		http://codeigniter.com

 * @since		Version 1.0

 * @filesource

 */

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

/**

 * System Front Controller

 *

 * Loads the base classes and executes the request.

 *

 * @package		CodeIgniter

 * @subpackage	codeigniter

 * @category	Front-controller

 * @author		ExpressionEngine Dev Team

 * @link		http://codeigniter.com/user_guide/

 */

// CI Version

define('CI_VERSION',	'1.7.0');

/*

 * ------------------------------------------------------

 *  Load the global functions

 * ------------------------------------------------------

 */

require(BASEPATH.'codeigniter/Common'.EXT);

/*

 * ------------------------------------------------------

 *  Load the compatibility override functions

 * ------------------------------------------------------

 */

require(BASEPATH.'codeigniter/Compat'.EXT);

/*

 * ------------------------------------------------------

 *  Load the framework constants

 * ------------------------------------------------------

 */

require(APPPATH.'config/constants'.EXT);

/*

 * ------------------------------------------------------

 *  Define a custom error handler so we can log PHP errors

 * ------------------------------------------------------

 */

set_error_handler('_exception_handler');

set_magic_quotes_runtime(0); // Kill magic quotes

/*

 * ------------------------------------------------------

 *  Start the timer... tick tock tick tock...

 * ------------------------------------------------------

 */

$BM =& load_class('Benchmark');

$BM->mark('total_execution_time_start');

$BM->mark('loading_time_base_classes_start');

/*

 * ------------------------------------------------------

 *  Instantiate the hooks class

 * ------------------------------------------------------

 */

$EXT =& load_class('Hooks');

/*

 * ------------------------------------------------------

 *  Is there a "pre_system" hook?

 * ------------------------------------------------------

 */

$EXT->_call_hook('pre_system');

/*

 * ------------------------------------------------------

 *  Instantiate the base classes

 * ------------------------------------------------------

 */

$CFG =& load_class('Config');

$URI =& load_class('URI');

$RTR =& load_class('Router');

$OUT =& load_class('Output');

/*

 * ------------------------------------------------------

 *	Is there a valid cache file?  If so, we're done...

 * ------------------------------------------------------

 */

if ($EXT->_call_hook('cache_override') === FALSE)

{

	if ($OUT->_display_cache($CFG, $URI) == TRUE)

	{

		exit;

	}

}

/*

 * ------------------------------------------------------

 *  Load the remaining base classes

 * ------------------------------------------------------

 */

$IN		=& load_class('Input');

$LANG	=& load_class('Language');

/*

 * ------------------------------------------------------

 *  Load the app controller and local controller

 * ------------------------------------------------------

 *

 *  Note: Due to the poor object handling in PHP 4 we'll

 *  conditionally load different versions of the base

 *  class.  Retaining PHP 4 compatibility requires a bit of a hack.

 *

 *  Note: The Loader class needs to be included first

 *

 */

if (floor(phpversion()) < 5)

{

	load_class('Loader', FALSE);

	require(BASEPATH.'codeigniter/Base4'.EXT);

}

else

{

	require(BASEPATH.'codeigniter/Base5'.EXT);

}

// Load the base controller class

load_class('Controller', FALSE);

// Load the local application controller

// Note: The Router class automatically validates the controller path.  If this include fails it

// means that the default controller in the Routes.php file is not resolving to something valid.

if ( ! file_exists(APPPATH.'controllers/'.$RTR->fetch_directory().$RTR->fetch_class().EXT))

{

	show_error('Unable to load your default controller.  Please make sure the controller specified in your Routes.php file is valid.');

}

include(APPPATH.'controllers/'.$RTR->fetch_directory().$RTR->fetch_class().EXT);

// Set a mark point for benchmarking

$BM->mark('loading_time_base_classes_end');

/*

 * ------------------------------------------------------

 *  Security check

 * ------------------------------------------------------

 *

 *  None of the functions in the app controller or the

 *  loader class can be called via the URI, nor can

 *  controller functions that begin with an underscore

 */

	$class  = $RTR->fetch_class();

	$method = $RTR->fetch_method();

if ( ! class_exists($class)

	OR $method == 'controller'

	OR strncmp($method, '_', 1) == 0

	OR in_array(strtolower($method), array_map('strtolower', get_class_methods('Controller')))

	)

{

	show_404("{$class}/{$method}");

}

/*

 * ------------------------------------------------------

 *  Is there a "pre_controller" hook?

 * ------------------------------------------------------

 */

$EXT->_call_hook('pre_controller');

/*

 * ------------------------------------------------------

 *  Instantiate the controller and call requested method

 * ------------------------------------------------------

 */

// Mark a start point so we can benchmark the controller

$BM->mark('controller_execution_time_( '.$class.' / '.$method.' )_start');

$CI = new $class();

// Is this a scaffolding request?

if ($RTR->scaffolding_request === TRUE)

{

	if ($EXT->_call_hook('scaffolding_override') === FALSE)

	{

		$CI->_ci_scaffolding();

	}

}

else

{

	/*

	 * ------------------------------------------------------

	 *  Is there a "post_controller_constructor" hook?

	 * ------------------------------------------------------

	 */

	$EXT->_call_hook('post_controller_constructor');

	// Is there a "remap" function?

	if (method_exists($CI, '_remap'))

	{

		$CI->_remap($method);

	}

	else

	{

		// is_callable() returns TRUE on some versions of PHP 5 for private and protected

		// methods, so we'll use this workaround for consistent behavior

		if ( ! in_array(strtolower($method), array_map('strtolower', get_class_methods($CI))))

		{

			show_404("{$class}/{$method}");

		}

		// Call the requested method.

		// Any URI segments present (besides the class/function) will be passed to the method for convenience

		call_user_func_array(array(&$CI, $method), array_slice($URI->rsegments, 2));

	}

}

// Mark a benchmark end point

$BM->mark('controller_execution_time_( '.$class.' / '.$method.' )_end');

/*

 * ------------------------------------------------------

 *  Is there a "post_controller" hook?

 * ------------------------------------------------------

 */

$EXT->_call_hook('post_controller');

/*

 * ------------------------------------------------------

 *  Send the final rendered output to the browser

 * ------------------------------------------------------

 */

if ($EXT->_call_hook('display_override') === FALSE)

{

	$OUT->_display();

}

/*

 * ------------------------------------------------------

 *  Is there a "post_system" hook?

 * ------------------------------------------------------

 */

$EXT->_call_hook('post_system');

/*

 * ------------------------------------------------------

 *  Close the DB connection if one exists

 * ------------------------------------------------------

 */

if (class_exists('CI_DB') AND isset($CI->db))

{

	$CI->db->close();

}

/* End of file CodeIgniter.php */

/* Location: ./system/codeigniter/CodeIgniter.php */