includes/WikiError.php

   1 <?php
   2 /**
   3  * MediaWiki error classes
   4  * Copyright (C) 2005 Brion Vibber <brion@pobox.com>
   5  * http://www.mediawiki.org/
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  20  * http://www.gnu.org/copyleft/gpl.html
  21  *
  22  * @package MediaWiki
  23  */
  24
  25 /**
  26  * Since PHP4 doesn't have exceptions, here's some error objects
  27  * loosely modeled on the standard PEAR_Error model...
  28  */
  29 class WikiError {
  30         /**
  31          * @param string $message
  32          */
  33         function WikiError( $message ) {
  34                 $this->mMessage = $message;
  35         }
  36
  37         /**
  38          * @return string Plaintext error message to display
  39          */
  40         function toString() {
  41                 return $this->mMessage;
  42         }
  43
  44         /**
  45          * Returns true if the given object is a WikiError-descended
  46          * error object, false otherwise.
  47          *
  48          * @param mixed $object
  49          * @return bool
  50          * @static
  51          */
  52         function isError( &$object ) {
  53                 return is_a( $object, 'WikiError' );
  54         }
  55 }
  56
  57 /**
  58  * Localized error message object
  59  */
  60 class WikiErrorMsg extends WikiError {
  61         /**
  62          * @param string $message Wiki message name
  63          * @param ... parameters to pass to wfMsg()
  64          */
  65         function WikiErrorMsg( $message/*, ... */ ) {
  66                 $args = func_get_args();
  67                 array_shift( $args );
  68                 $this->mMessage = wfMsgReal( $message, $args, true );
  69         }
  70 }
  71
  72 /**
  73  *
  74  */
  75 class WikiXmlError extends WikiError {
  76         /**
  77          * @param resource $parser
  78          * @param string $message
  79          */
  80         function WikiXmlError( $parser, $message = '' ) {
  81                 $this->mXmlError = xml_get_error_code( $parser );
  82                 $this->mMessage = $message;
  83                 xml_parser_free( $parser );
  84         }
  85
  86         function toString() {
  87                 return $this->mMessage . ': ' . xml_error_string( $this->mXmlError );
  88         }
  89 }
  90
  91 ?>