<?php  if (!defined('BASEPATH')) exit('No direct script access allowed');
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP 5.1.6 or newer
 *
 * @package        CodeIgniter
 * @author        ExpressionEngine Dev Team
 * @copyright    Copyright (c) 2008 - 2011, EllisLab, Inc.
 * @license        http://codeigniter.com/user_guide/license.html
 * @link        http://codeigniter.com
 * @since        Version 1.0
 * @filesource
 */

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

/**
 * System Initialization File
 *
 * 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/
 */

/*
 * ------------------------------------------------------
 *  Define the CodeIgniter Version
 * ------------------------------------------------------
 */
define('CI_VERSION', '2.0.3');

/*
 * ------------------------------------------------------
 *  Define the CodeIgniter Branch (Core = TRUE, Reactor = FALSE)
 * ------------------------------------------------------
 */
define('CI_CORE', FALSE);

/*
 * ------------------------------------------------------
 *  Load the global functions
 * ------------------------------------------------------
 */
require(CIUPATH . 'core/Common.php');
require(BASEPATH . 'core/Common.php');

/*
 * ------------------------------------------------------
 *  Load the framework constants
 * ------------------------------------------------------
 */
if (defined('ENVIRONMENT') AND file_exists(APPPATH . 'config/' . ENVIRONMENT . '/constants.php')) {
    require(APPPATH . 'config/' . ENVIRONMENT . '/constants.php');
} else {
    require(APPPATH . 'config/constants.php');
}

/*
 * ------------------------------------------------------
 *  Define a custom error handler so we can log PHP errors
 * ------------------------------------------------------
 */
set_error_handler('_exception_handler');

if (!is_php('5.3')) {
    @set_magic_quotes_runtime(0); // Kill magic quotes
}

/*
 * ------------------------------------------------------
 *  Set the subclass_prefix
 * ------------------------------------------------------
 *
 * Normally the "subclass_prefix" is set in the config file.
 * The subclass prefix allows CI to know if a core class is
 * being extended via a library in the local application
 * "libraries" folder. Since CI allows config items to be
 * overriden via data set in the main index. php file,
 * before proceeding we need to know if a subclass_prefix
 * override exists.  If so, we will set this value now,
 * before any classes are loaded
 * Note: Since the config file data is cached it doesn't
 * hurt to load it here.
 */
if (isset($assign_to_config['subclass_prefix']) AND $assign_to_config['subclass_prefix'] != '') {
    get_config(array('subclass_prefix' => $assign_to_config['subclass_prefix']));
}

/*
 * ------------------------------------------------------
 *  Set a liberal script execution time limit
 * ------------------------------------------------------
 */
if (function_exists("set_time_limit") == TRUE AND @ini_get("safe_mode") == 0) {
    @set_time_limit(300);
}

/*
 * ------------------------------------------------------
 *  Start the timer... tick tock tick tock...
 * ------------------------------------------------------
 */
$BM =& load_class('Benchmark', 'core');
$GLOBALS['BM'] =& $BM;

$BM->mark('total_execution_time_start');
$BM->mark('loading_time:_base_classes_start');

/*
 * ------------------------------------------------------
 *  Instantiate the hooks class
 * ------------------------------------------------------
 */
$EXT =& load_class('Hooks', 'core');
$GLOBALS['EXT'] =& $EXT;

/*
 * ------------------------------------------------------
 *  Is there a "pre_system" hook?
 * ------------------------------------------------------
 */
$EXT->_call_hook('pre_system');

/*
 * ------------------------------------------------------
 *  Instantiate the config class
 * ------------------------------------------------------
 */
$CFG =& load_class('Config', 'core');
$GLOBALS['CFG'] =& $CFG;

// Do we have any manually set config items in the index.php file?
if (isset($assign_to_config)) {
    $CFG->_assign_to_config($assign_to_config);
}

/*
 * ------------------------------------------------------
 *  Instantiate the UTF-8 class
 * ------------------------------------------------------
 *
 * Note: Order here is rather important as the UTF-8
 * class needs to be used very early on, but it cannot
 * properly determine if UTf-8 can be supported until
 * after the Config class is instantiated.
 *
 */

$UNI =& load_class('Utf8', 'core');
$GLOBALS['UNI'] =& $UNI;

/*
 * ------------------------------------------------------
 *  Instantiate the URI class
 * ------------------------------------------------------
 */
$URI =& load_class('URI', 'core');
$GLOBALS['URI'] =& $URI;

/*
 * ------------------------------------------------------
 *  Instantiate the routing class and set the routing
 * ------------------------------------------------------
 */
$RTR =& load_class('Router', 'core');
$GLOBALS['RTR'] =& $RTR;
//$RTR->_set_routing();

// Set any routing overrides that may exist in the main index file
if (isset($routing)) {
    $RTR->_set_overrides($routing);
}

/*
 * ------------------------------------------------------
 *  Instantiate the output class
 * ------------------------------------------------------
 */
$OUT =& load_class('Output', 'core');
$GLOBALS['OUT'] =& $OUT;

/*
 * ------------------------------------------------------
 *	Is there a valid cache file?  If so, we're done...
 * ------------------------------------------------------
 */
// I am not going to worry about a cache, right?
/*
if ($EXT->_call_hook('cache_override') === FALSE)
{
    if ($OUT->_display_cache($CFG, $URI) == TRUE)
    {
        exit;
    }
}
*/

/*
 * -----------------------------------------------------
 * Load the security class for xss and csrf support
 * -----------------------------------------------------
 */
$SEC =& load_class('Security', 'core');
$GLOBALS['SEC'] =& $SEC;

/*
 * ------------------------------------------------------
 *  Load the Input class and sanitize globals
 * ------------------------------------------------------
 */
$IN =& load_class('Input', 'core');
$GLOBALS['IN'] =& $IN;

/*
 * ------------------------------------------------------
 *  Load the Language class
 * ------------------------------------------------------
 */
$LANG =& load_class('Lang', 'core');

/*
 * ------------------------------------------------------
 *  Load the app controller and local controller
 * ------------------------------------------------------
 *
 */
// Load the base controller class
require BASEPATH . 'core/Controller.php';

function &get_instance()
{
    return CI_Controller::get_instance();
}


if (file_exists(APPPATH . 'core/' . $CFG->config['subclass_prefix'] . 'Controller.php')) {
    require APPPATH . 'core/' . $CFG->config['subclass_prefix'] . 'Controller.php';
}

if (defined('CIUnit_Version') === FALSE) {
    // Load the local application controller
    // Note: The Router class automatically validates the controller path using the router->_validate_request().
    // 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() . '.php')) {
        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() . '.php');

    // 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($class)
        OR strncmp($method, '_', 1) == 0
        OR in_array(strtolower($method), array_map('strtolower', get_class_methods('CI_Controller')))
    ) {
        show_404("{$class}/{$method}");
    }

    /*
     * ------------------------------------------------------
     *  Is there a "pre_controller" hook?
     * ------------------------------------------------------
     */
    $EXT->_call_hook('pre_controller');

    /*
     * ------------------------------------------------------
     *  Instantiate the requested controller
     * ------------------------------------------------------
     */
    // Mark a start point so we can benchmark the controller
    $BM->mark('controller_execution_time_( ' . $class . ' / ' . $method . ' )_start');

    $CI = new $class();

    /*
     * ------------------------------------------------------
     *  Is there a "post_controller_constructor" hook?
     * ------------------------------------------------------
     */
    $EXT->_call_hook('post_controller_constructor');

    /*
     * ------------------------------------------------------
     *  Call the requested method
     * ------------------------------------------------------
     */
    // Is there a "remap" function? If so, we call it instead
    if (method_exists($CI, '_remap')) {
        $CI->_remap($method, array_slice($URI->rsegments, 2));
    } else {
        // is_callable() returns TRUE on some versions of PHP 5 for private and protected
        // methods, so we'll use this workaround for consistent behavior
        if (!in_array(strtolower($method), array_map('strtolower', get_class_methods($CI)))) {
            // Check and see if we are using a 404 override and use it.
            if (!empty($RTR->routes['404_override'])) {
                $x = explode('/', $RTR->routes['404_override']);
                $class = $x[0];
                $method = (isset($x[1]) ? $x[1] : 'index');
                if (!class_exists($class)) {
                    if (!file_exists(APPPATH . 'controllers/' . $class . '.php')) {
                        show_404("{$class}/{$method}");
                    }

                    include_once(APPPATH . 'controllers/' . $class . '.php');
                    unset($CI);
                    $CI = new $class();
                }
            } else {
                show_404("{$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: ./application/third_party/CIUnit/core/CodeIgniter.php */