libraries/Exceptions.php

   1 <?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
   2 /**
   3  * CodeIgniter
   4  *
   5  * An open source application development framework for PHP 4.3.2 or newer
   6  *
   7  * @package             CodeIgniter
   8  * @author              ExpressionEngine Dev Team
   9  * @copyright   Copyright (c) 2008 - 2009, EllisLab, Inc.
  10  * @license             http://codeigniter.com/user_guide/license.html
  11  * @link                http://codeigniter.com
  12  * @since               Version 1.0
  13  * @filesource
  14  */
  15
  16 // ------------------------------------------------------------------------
  17
  18 /**
  19  * Exceptions Class
  20  *
  21  * @package             CodeIgniter
  22  * @subpackage  Libraries
  23  * @category    Exceptions
  24  * @author              ExpressionEngine Dev Team
  25  * @link                http://codeigniter.com/user_guide/libraries/exceptions.html
  26  */
  27 class CI_Exceptions {
  28         var $action;
  29         var $severity;
  30         var $message;
  31         var $filename;
  32         var $line;
  33         var $ob_level;
  34
  35         var $levels = array(
  36                                                 E_ERROR                         =>      'Error',
  37                                                 E_WARNING                       =>      'Warning',
  38                                                 E_PARSE                         =>      'Parsing Error',
  39                                                 E_NOTICE                        =>      'Notice',
  40                                                 E_CORE_ERROR            =>      'Core Error',
  41                                                 E_CORE_WARNING          =>      'Core Warning',
  42                                                 E_COMPILE_ERROR         =>      'Compile Error',
  43                                                 E_COMPILE_WARNING       =>      'Compile Warning',
  44                                                 E_USER_ERROR            =>      'User Error',
  45                                                 E_USER_WARNING          =>      'User Warning',
  46                                                 E_USER_NOTICE           =>      'User Notice',
  47                                                 E_STRICT                        =>      'Runtime Notice'
  48                                         );
  49
  50
  51         /**
  52          * Constructor
  53          *
  54          */
  55         function CI_Exceptions()
  56         {
  57                 $this->ob_level = ob_get_level();
  58                 // Note:  Do not log messages from this constructor.
  59         }
  60
  61         // --------------------------------------------------------------------
  62
  63         /**
  64          * Exception Logger
  65          *
  66          * This function logs PHP generated error messages
  67          *
  68          * @access      private
  69          * @param       string  the error severity
  70          * @param       string  the error string
  71          * @param       string  the error filepath
  72          * @param       string  the error line number
  73          * @return      string
  74          */
  75         function log_exception($severity, $message, $filepath, $line)
  76         {
  77                 $severity = ( ! isset($this->levels[$severity])) ? $severity : $this->levels[$severity];
  78
  79                 log_message('error', 'Severity: '.$severity.'  --> '.$message. ' '.$filepath.' '.$line, TRUE);
  80         }
  81
  82         // --------------------------------------------------------------------
  83
  84         /**
  85          * 404 Page Not Found Handler
  86          *
  87          * @access      private
  88          * @param       string
  89          * @return      string
  90          */
  91         function show_404($page = '')
  92         {
  93                 $heading = "404 Page Not Found";
  94                 $message = "The page you requested was not found.";
  95
  96                 log_message('error', '404 Page Not Found --> '.$page);
  97                 echo $this->show_error($heading, $message, 'error_404', 404);
  98                 exit;
  99         }
 100
 101         // --------------------------------------------------------------------
 102
 103         /**
 104          * General Error Page
 105          *
 106          * This function takes an error message as input
 107          * (either as a string or an array) and displays
 108          * it using the specified template.
 109          *
 110          * @access      private
 111          * @param       string  the heading
 112          * @param       string  the message
 113          * @param       string  the template name
 114          * @return      string
 115          */
 116         function show_error($heading, $message, $template = 'error_general', $status_code = 500)
 117         {
 118                 set_status_header($status_code);
 119
 120                 $message = '<p>'.implode('</p><p>', ( ! is_array($message)) ? array($message) : $message).'</p>';
 121
 122                 if (ob_get_level() > $this->ob_level + 1)
 123                 {
 124                         ob_end_flush();
 125                 }
 126                 ob_start();
 127                 include(APPPATH.'errors/'.$template.EXT);
 128                 $buffer = ob_get_contents();
 129                 ob_end_clean();
 130                 return $buffer;
 131         }
 132
 133         // --------------------------------------------------------------------
 134
 135         /**
 136          * Native PHP error handler
 137          *
 138          * @access      private
 139          * @param       string  the error severity
 140          * @param       string  the error string
 141          * @param       string  the error filepath
 142          * @param       string  the error line number
 143          * @return      string
 144          */
 145         function show_php_error($severity, $message, $filepath, $line)
 146         {
 147                 $severity = ( ! isset($this->levels[$severity])) ? $severity : $this->levels[$severity];
 148
 149                 $filepath = str_replace("\\", "/", $filepath);
 150
 151                 // For safety reasons we do not show the full file path
 152                 if (FALSE !== strpos($filepath, '/'))
 153                 {
 154                         $x = explode('/', $filepath);
 155                         $filepath = $x[count($x)-2].'/'.end($x);
 156                 }
 157
 158                 if (ob_get_level() > $this->ob_level + 1)
 159                 {
 160                         ob_end_flush();
 161                 }
 162                 ob_start();
 163                 include(APPPATH.'errors/error_php'.EXT);
 164                 $buffer = ob_get_contents();
 165                 ob_end_clean();
 166                 echo $buffer;
 167         }
 168
 169
 170 }
 171 // END Exceptions Class
 172
 173 /* End of file Exceptions.php */
 174 /* Location: ./system/libraries/Exceptions.php */