<?php
+/**
+ * Exception class and handler
+ *
+ * @file
+ */
+
/**
* @defgroup Exception Exception
*/
/**
* MediaWiki exception
+ *
* @ingroup Exception
*/
class MWException extends Exception {
-
/**
* Should the exception use $wgOut to output the error ?
* @return bool
*/
function useOutputPage() {
- return !empty( $GLOBALS['wgFullyInitialised'] ) &&
+ return $this->useMessageCache() &&
+ !empty( $GLOBALS['wgFullyInitialised'] ) &&
( !empty( $GLOBALS['wgArticle'] ) || ( !empty( $GLOBALS['wgOut'] ) && !$GLOBALS['wgOut']->isArticle() ) ) &&
!empty( $GLOBALS['wgTitle'] );
}
*/
function useMessageCache() {
global $wgLang;
+ foreach ( $this->getTrace() as $frame ) {
+ if ( isset( $frame['class'] ) && $frame['class'] === 'LocalisationCache' ) {
+ return false;
+ }
+ }
return is_object( $wgLang );
}
/**
* Run hook to allow extensions to modify the text of the exception
*
- * @param String $name class name of the exception
- * @param Array $args arguments to pass to the callback functions
- * @return mixed string to output or null if any hook has been called
+ * @param $name String: class name of the exception
+ * @param $args Array: arguments to pass to the callback functions
+ * @return Mixed: string to output or null if any hook has been called
*/
function runHooks( $name, $args = array() ) {
global $wgExceptionHooks;
/**
* Get a message from i18n
*
- * @param String $key message name
- * @param String $fallback default message if the message cache can't be
- * called by the exception
+ * @param $key String: message name
+ * @param $fallback String: default message if the message cache can't be
+ * called by the exception
* The function also has other parameters that are arguments for the message
* @return String message with arguments replaced
*/
* Return the requested URL and point to file and line number from which the
* exception occured
*
- * @return string
+ * @return String
*/
function getLogMessage() {
global $wgRequest;
* $wgOut to output the exception.
*/
function htmlHeader() {
- global $wgLogo, $wgSitename, $wgOutputEncoding;
+ global $wgLogo, $wgOutputEncoding;
if ( !headers_sent() ) {
header( 'HTTP/1.0 500 Internal Server Error' );
header( 'Pragma: nocache' );
}
$title = $this->getPageTitle();
- echo "<html>
+ return "<html>
<head>
<title>$title</title>
</head>
* print the end of the html page if not using $wgOut.
*/
function htmlFooter() {
- echo "</body></html>";
+ return "</body></html>";
}
/**
* Report an exception to the user
*/
function wfReportException( Exception $e ) {
+ global $wgShowExceptionDetails;
+
$cmdLine = MWException::isCommandLine();
if ( $e instanceof MWException ) {
try {
// Show a simpler error message for the original exception,
// don't try to invoke report()
$message = "MediaWiki internal error.\n\n";
- if ( $GLOBALS['wgShowExceptionDetails'] )
- $message .= "Original exception: " . $e->__toString();
- $message .= "\n\nException caught inside exception handler";
- if ( $GLOBALS['wgShowExceptionDetails'] )
- $message .= ": " . $e2->__toString();
+ if ( $wgShowExceptionDetails ) {
+ $message .= 'Original exception: ' . $e->__toString() . "\n\n" .
+ 'Exception caught inside exception handler: ' . $e2->__toString();
+ } else {
+ $message .= "Exception caught inside exception handler.\n\n" .
+ "Set \$wgShowExceptionDetails = true; at the bottom of LocalSettings.php " .
+ "to show detailed debugging information.";
+ }
$message .= "\n";
if ( $cmdLine ) {
wfPrintError( $message );
} else {
echo nl2br( htmlspecialchars( $message ) ). "\n";
- }
+ }
}
} else {
$message = "Unexpected non-MediaWiki exception encountered, of type \"" . get_class( $e ) . "\"\n" .
$e->__toString() . "\n";
- if ( $GLOBALS['wgShowExceptionDetails'] ) {
+ if ( $wgShowExceptionDetails ) {
$message .= "\n" . $e->getTraceAsString() ."\n";
}
if ( $cmdLine ) {
# Try to produce meaningful output anyway. Using echo may corrupt output to STDOUT though.
if ( defined( 'STDERR' ) ) {
fwrite( STDERR, $message );
- }
- else {
+ } else {
echo( $message );
}
}