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<?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

*/

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

/**

* Exceptions Class

*

* @package CodeIgniter

* @subpackage Libraries

* @category Exceptions

* @author ExpressionEngine Dev Team

* @link http://codeigniter.com/user_guide/libraries/exceptions.html

*/

class CI_Exceptions {

var $action;

var $severity;

var $message;

var $filename;

var $line;

var $ob_level;

var $levels = array(

E_ERROR => 'Error',

E_WARNING => 'Warning',

E_PARSE => 'Parsing Error',

E_NOTICE => 'Notice',

E_CORE_ERROR => 'Core Error',

E_CORE_WARNING => 'Core Warning',

E_COMPILE_ERROR => 'Compile Error',

E_COMPILE_WARNING => 'Compile Warning',

E_USER_ERROR => 'User Error',

E_USER_WARNING => 'User Warning',

E_USER_NOTICE => 'User Notice',

E_STRICT => 'Runtime Notice'

);

/**

* Constructor

*/

public function __construct()

{

$this->ob_level = ob_get_level();

// Note: Do not log messages from this constructor.

}

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

/**

* Exception Logger

*

* This function logs PHP generated error messages

*

* @access private

* @param string the error severity

* @param string the error string

* @param string the error filepath

* @param string the error line number

* @return string

*/

function log_exception($severity, $message, $filepath, $line)

{

$severity = ( ! isset($this->levels[$severity])) ? $severity : $this->levels[$severity];

log_message('error', 'Severity: '.$severity.' --> '.$message. ' '.$filepath.' '.$line, TRUE);

}

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

/**

* 404 Page Not Found Handler

*

* @access private

* @param string

* @return string

*/

function show_404($page = '', $log_error = TRUE)

{

$heading = "404 Page Not Found";

$message = "The page you requested was not found.";

// By default we log this, but allow a dev to skip it

if ($log_error)

{

log_message('error', '404 Page Not Found --> '.$page);

}

echo $this->show_error($heading, $message, 'error_404', 404);

exit;

}

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

/**

* General Error Page

*

* This function takes an error message as input

* (either as a string or an array) and displays

* it using the specified template.

*

* @access private

* @param string the heading

* @param string the message

* @param string the template name

* @return string

*/

function show_error($heading, $message, $template = 'error_general', $status_code = 500)

{

set_status_header($status_code);

$message = '<p>'.implode('</p><p>', ( ! is_array($message)) ? array($message) : $message).'</p>';

if (ob_get_level() > $this->ob_level + 1)

{

ob_end_flush();

}

ob_start();

include(APPPATH.'errors/'.$template.'.php');

$buffer = ob_get_contents();

ob_end_clean();

return $buffer;

}

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

/**

* Native PHP error handler

*

* @access private

* @param string the error severity

* @param string the error string

* @param string the error filepath

* @param string the error line number

* @return string

*/

function show_php_error($severity, $message, $filepath, $line)

{

$severity = ( ! isset($this->levels[$severity])) ? $severity : $this->levels[$severity];

$filepath = str_replace("\\", "/", $filepath);

// For safety reasons we do not show the full file path

if (FALSE !== strpos($filepath, '/'))

{

$x = explode('/', $filepath);

$filepath = $x[count($x)-2].'/'.end($x);

}

if (ob_get_level() > $this->ob_level + 1)

{

ob_end_flush();

}

ob_start();

include(APPPATH.'errors/error_php.php');

$buffer = ob_get_contents();

ob_end_clean();

echo $buffer;

}

}

// END Exceptions Class

/* End of file Exceptions.php */

/* Location: ./system/core/Exceptions.php */