http://www.mediawiki.org/wiki/Special:Code/MediaWiki/88588

Revision: 88588
Author:   demon
Date:     2011-05-22 17:59:47 +0000 (Sun, 22 May 2011)
Log Message:
-----------
$wgArticle is deprecated! Possible removal in 1.20 or 1.21!
* Encapsulate index.php in wfIndexMain() (similar to r77873)
* Kill $wgArticle check in Exception, not necessary anymore
* Kill $wgArticle in Setup, also not necessary
* Add angry note about $wgArticle to rebuildFileCache.
* Remove note about $wgArticle in Parser since it's dying anyway

Modified Paths:
--------------
    trunk/phase3/docs/globals.txt
    trunk/phase3/includes/Exception.php
    trunk/phase3/includes/Setup.php
    trunk/phase3/includes/Wiki.php
    trunk/phase3/includes/parser/Parser.php
    trunk/phase3/index.php
    trunk/phase3/maintenance/rebuildFileCache.php

Modified: trunk/phase3/docs/globals.txt
===================================================================
--- trunk/phase3/docs/globals.txt       2011-05-22 17:57:29 UTC (rev 88587)
+++ trunk/phase3/docs/globals.txt       2011-05-22 17:59:47 UTC (rev 88588)
@@ -45,9 +45,6 @@
 $wgTitle
        Title object created from the request URL.
 
-$wgArticle
-       Article object corresponding to $wgTitle.
-
 $wgOut
        OutputPage object for HTTP response.
 

Modified: trunk/phase3/includes/Exception.php
===================================================================
--- trunk/phase3/includes/Exception.php 2011-05-22 17:57:29 UTC (rev 88587)
+++ trunk/phase3/includes/Exception.php 2011-05-22 17:59:47 UTC (rev 88588)
@@ -22,7 +22,8 @@
        function useOutputPage() {
                return $this->useMessageCache() &&
                        !empty( $GLOBALS['wgFullyInitialised'] ) &&
-                       ( !empty( $GLOBALS['wgArticle'] ) || ( !empty( 
$GLOBALS['wgOut'] ) && !$GLOBALS['wgOut']->isArticleRelated() ) ) &&
+                       !empty( $GLOBALS['wgOut'] ) &&
+                       !$GLOBALS['wgOut']->isArticleRelated() &&
                        !empty( $GLOBALS['wgTitle'] );
        }
 

Modified: trunk/phase3/includes/Setup.php
===================================================================
--- trunk/phase3/includes/Setup.php     2011-05-22 17:57:29 UTC (rev 88587)
+++ trunk/phase3/includes/Setup.php     2011-05-22 17:59:47 UTC (rev 88588)
@@ -443,11 +443,10 @@
 
 # Placeholders in case of DB error
 $wgTitle = null;
-$wgArticle = null;
 
 $wgDeferredUpdateList = array();
 
-// We need to check for safe_mode, because mail() willl throws an E_NOTICE
+// We need to check for safe_mode, because mail() will throw an E_NOTICE
 // on additional parameters
 if( !is_null($wgAdditionalMailParams) && wfIniGetBool('safe_mode') ) {
        $wgAdditionalMailParams = null;

Modified: trunk/phase3/includes/Wiki.php
===================================================================
--- trunk/phase3/includes/Wiki.php      2011-05-22 17:57:29 UTC (rev 88587)
+++ trunk/phase3/includes/Wiki.php      2011-05-22 17:59:47 UTC (rev 88588)
@@ -150,7 +150,6 @@
 
                // Invalid titles. Bug 21776: The interwikis must redirect even 
if the page name is empty.
                if ( $this->context->title instanceof BadTitle ) {
-                       // Die now before we mess up $wgArticle and the skin 
stops working
                        throw new ErrorPageError( 'badtitle', 'badtitletext' );
 
                // Interwiki redirects
@@ -292,7 +291,7 @@
        }
 
        /**
-        * Initialize the object to be known as $wgArticle for "standard" 
actions
+        * Initialize the main Article object for "standard" actions (view, etc)
         * Create an Article object for the page, following redirects if needed.
         *
         * @return mixed an Article, or a string to redirect to another URL

Modified: trunk/phase3/includes/parser/Parser.php
===================================================================
--- trunk/phase3/includes/parser/Parser.php     2011-05-22 17:57:29 UTC (rev 
88587)
+++ trunk/phase3/includes/parser/Parser.php     2011-05-22 17:59:47 UTC (rev 
88588)
@@ -34,7 +34,7 @@
  * Globals used:
  *    objects:   $wgLang, $wgContLang
  *
- * NOT $wgArticle, $wgUser or $wgTitle. Keep them away!
+ * NOT $wgUser or $wgTitle. Keep them away!
  *
  * settings:
  *  $wgUseDynamicDates*, $wgInterwikiMagic*,

Modified: trunk/phase3/index.php
===================================================================
--- trunk/phase3/index.php      2011-05-22 17:57:29 UTC (rev 88587)
+++ trunk/phase3/index.php      2011-05-22 17:59:47 UTC (rev 88588)
@@ -63,83 +63,98 @@
 
 # Initialise common code.  This gives us access to GlobalFunctions, the 
AutoLoader, and
 # the globals $wgRequest, $wgOut, $wgUser, $wgLang and $wgContLang, amongst 
others; it
-# does *not* load $wgTitle or $wgArticle
+# does *not* load $wgTitle
 require ( dirname( __FILE__ ) . '/includes/WebStart.php' );
 
-wfProfileIn( 'index.php' );
-wfProfileIn( 'index.php-setup' );
+wfIndexMain();
 
-$maxLag = $wgRequest->getVal( 'maxlag' );
-if ( !is_null( $maxLag ) ) {
-       $lb = wfGetLB(); // foo()->bar() is not supported in PHP4
-       list( $host, $lag ) = $lb->getMaxLag();
-       if ( $lag > $maxLag ) {
-               header( 'HTTP/1.1 503 Service Unavailable' );
-               header( 'Retry-After: ' . max( intval( $maxLag ), 5 ) );
-               header( 'X-Database-Lag: ' . intval( $lag ) );
-               header( 'Content-Type: text/plain' );
-               if( $wgShowHostnames ) {
-                       echo "Waiting for $host: $lag seconds lagged\n";
-               } else {
-                       echo "Waiting for a database server: $lag seconds 
lagged\n";
+function wfIndexMain() {
+       global $wgRequest, $wgShowHostnames, $mediaWiki, $wgTitle, $wgUseAjax, 
$wgUseFileCache;
+
+       wfProfileIn( 'index.php' );
+       wfProfileIn( 'index.php-setup' );
+
+       $maxLag = $wgRequest->getVal( 'maxlag' );
+       if ( !is_null( $maxLag ) ) {
+               $lb = wfGetLB(); // foo()->bar() is not supported in PHP4
+               list( $host, $lag ) = $lb->getMaxLag();
+               if ( $lag > $maxLag ) {
+                       header( 'HTTP/1.1 503 Service Unavailable' );
+                       header( 'Retry-After: ' . max( intval( $maxLag ), 5 ) );
+                       header( 'X-Database-Lag: ' . intval( $lag ) );
+                       header( 'Content-Type: text/plain' );
+                       if( $wgShowHostnames ) {
+                               echo "Waiting for $host: $lag seconds lagged\n";
+                       } else {
+                               echo "Waiting for a database server: $lag 
seconds lagged\n";
+                       }
+                       exit;
                }
-               exit;
        }
-}
 
-# Initialize MediaWiki base class
-$context = RequestContext::getMain();
-$mediaWiki = new MediaWiki( $context );
+       # Initialize MediaWiki base class
+       $context = RequestContext::getMain();
+       $mediaWiki = new MediaWiki( $context );
 
-# Set title from request parameters
-$wgTitle = $mediaWiki->getTitle();
-$action = $wgRequest->getVal( 'action', 'view' );
+       # Set title from request parameters
+       $wgTitle = $mediaWiki->getTitle();
+       $action = $wgRequest->getVal( 'action', 'view' );
 
-wfProfileOut( 'index.php-setup' );
+       wfProfileOut( 'index.php-setup' );
 
-# Send Ajax requests to the Ajax dispatcher.
-if ( $wgUseAjax && $action == 'ajax' ) {
-       $dispatcher = new AjaxDispatcher();
-       $dispatcher->performAction();
-       wfProfileOut( 'index.php' );
-       $mediaWiki->restInPeace();
-       exit;
-}
+       # Send Ajax requests to the Ajax dispatcher.
+       if ( $wgUseAjax && $action == 'ajax' ) {
+               $dispatcher = new AjaxDispatcher();
+               $dispatcher->performAction();
+               wfProfileOut( 'index.php' );
+               $mediaWiki->restInPeace();
+               exit;
+       }
 
-if ( $wgUseFileCache && $wgTitle !== null ) {
-       wfProfileIn( 'index.php-filecache' );
-       // Raw pages should handle cache control on their own,
-       // even when using file cache. This reduces hits from clients.
-       if ( $action != 'raw' && HTMLFileCache::useFileCache() ) {
-               /* Try low-level file cache hit */
-               $cache = new HTMLFileCache( $wgTitle, $action );
-               if ( $cache->isFileCacheGood( /* Assume up to date */ ) ) {
-                       /* Check incoming headers to see if client has this 
cached */
-                       if ( !$context->output->checkLastModified( 
$cache->fileCacheTime() ) ) {
-                               $cache->loadFromFileCache();
+       if ( $wgUseFileCache && $wgTitle !== null ) {
+               wfProfileIn( 'index.php-filecache' );
+               // Raw pages should handle cache control on their own,
+               // even when using file cache. This reduces hits from clients.
+               if ( $action != 'raw' && HTMLFileCache::useFileCache() ) {
+                       /* Try low-level file cache hit */
+                       $cache = new HTMLFileCache( $wgTitle, $action );
+                       if ( $cache->isFileCacheGood( /* Assume up to date */ ) 
) {
+                               /* Check incoming headers to see if client has 
this cached */
+                               if ( !$context->output->checkLastModified( 
$cache->fileCacheTime() ) ) {
+                                       $cache->loadFromFileCache();
+                               }
+                               # Do any stats increment/watchlist stuff
+                               $article = MediaWiki::articleFromTitle( 
$wgTitle, $context );
+                               $article->viewUpdates();
+                               # Tell OutputPage that output is taken care of
+                               $context->output->disable();
+                               wfProfileOut( 'index.php-filecache' );
+                               $mediaWiki->finalCleanup();
+                               wfProfileOut( 'index.php' );
+                               $mediaWiki->restInPeace();
+                               exit;
                        }
-                       # Do any stats increment/watchlist stuff
-                       $wgArticle = MediaWiki::articleFromTitle( $wgTitle, 
$context );
-                       $wgArticle->viewUpdates();
-                       # Tell OutputPage that output is taken care of
-                       $context->output->disable();
-                       wfProfileOut( 'index.php-filecache' );
-                       $mediaWiki->finalCleanup();
-                       wfProfileOut( 'index.php' );
-                       $mediaWiki->restInPeace();
-                       exit;
                }
+               wfProfileOut( 'index.php-filecache' );
        }
-       wfProfileOut( 'index.php-filecache' );
-}
 
-$mediaWiki->performRequestForTitle( $wgArticle );
-$mediaWiki->finalCleanup();
+       $mediaWiki->performRequestForTitle( $article );
 
-wfProfileOut( 'index.php' );
+       /**
+        * $wgArticle is deprecated, do not use it. This will possibly be 
removed
+        * entirely in 1.20 or 1.21
+        * @deprecated since 1.19
+        */
+       global $wgArticle;
+       $wgArticle = $article;
 
-$mediaWiki->restInPeace();
+       $mediaWiki->finalCleanup();
 
+       wfProfileOut( 'index.php' );
+
+       $mediaWiki->restInPeace();
+}
+
 /**
  * Display something vaguely comprehensible in the event of a totally 
unrecoverable error.
  * Does not assume access to *anything*; no globals, no autloader, no 
database, no localisation.

Modified: trunk/phase3/maintenance/rebuildFileCache.php
===================================================================
--- trunk/phase3/maintenance/rebuildFileCache.php       2011-05-22 17:57:29 UTC 
(rev 88587)
+++ trunk/phase3/maintenance/rebuildFileCache.php       2011-05-22 17:59:47 UTC 
(rev 88588)
@@ -31,6 +31,9 @@
                $this->setBatchSize( 100 );
        }
 
+       /**
+        * @todo MAKE $wgArticle GO AWAY! This is the absolute LAST use in core
+        */
        public function execute() {
                global $wgUseFileCache, $wgDisableCounters, 
$wgContentNamespaces, $wgRequestTime;
                global $wgTitle, $wgArticle, $wgOut;


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