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authorPierre Schmitz <pierre@archlinux.de>2014-12-27 15:41:37 +0100
committerPierre Schmitz <pierre@archlinux.de>2014-12-31 11:43:28 +0100
commitc1f9b1f7b1b77776192048005dcc66dcf3df2bfb (patch)
tree2b38796e738dd74cb42ecd9bfd151803108386bc /includes/poolcounter/PoolWorkArticleView.php
parentb88ab0086858470dd1f644e64cb4e4f62bb2be9b (diff)
Update to MediaWiki 1.24.1
Diffstat (limited to 'includes/poolcounter/PoolWorkArticleView.php')
-rw-r--r--includes/poolcounter/PoolWorkArticleView.php208
1 files changed, 208 insertions, 0 deletions
diff --git a/includes/poolcounter/PoolWorkArticleView.php b/includes/poolcounter/PoolWorkArticleView.php
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+++ b/includes/poolcounter/PoolWorkArticleView.php
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+<?php
+/**
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+class PoolWorkArticleView extends PoolCounterWork {
+ /** @var Page */
+ private $page;
+
+ /** @var string */
+ private $cacheKey;
+
+ /** @var int */
+ private $revid;
+
+ /** @var ParserOptions */
+ private $parserOptions;
+
+ /** @var Content|null */
+ private $content = null;
+
+ /** @var ParserOutput|bool */
+ private $parserOutput = false;
+
+ /** @var bool */
+ private $isDirty = false;
+
+ /** @var Status|bool */
+ private $error = false;
+
+ /**
+ * @param Page $page
+ * @param ParserOptions $parserOptions ParserOptions to use for the parse
+ * @param int $revid ID of the revision being parsed.
+ * @param bool $useParserCache Whether to use the parser cache.
+ * operation.
+ * @param Content|string $content Content to parse or null to load it; may
+ * also be given as a wikitext string, for BC.
+ */
+ public function __construct( Page $page, ParserOptions $parserOptions,
+ $revid, $useParserCache, $content = null
+ ) {
+ if ( is_string( $content ) ) { // BC: old style call
+ $modelId = $page->getRevision()->getContentModel();
+ $format = $page->getRevision()->getContentFormat();
+ $content = ContentHandler::makeContent( $content, $page->getTitle(), $modelId, $format );
+ }
+
+ $this->page = $page;
+ $this->revid = $revid;
+ $this->cacheable = $useParserCache;
+ $this->parserOptions = $parserOptions;
+ $this->content = $content;
+ $this->cacheKey = ParserCache::singleton()->getKey( $page, $parserOptions );
+ parent::__construct( 'ArticleView', $this->cacheKey . ':revid:' . $revid );
+ }
+
+ /**
+ * Get the ParserOutput from this object, or false in case of failure
+ *
+ * @return ParserOutput
+ */
+ public function getParserOutput() {
+ return $this->parserOutput;
+ }
+
+ /**
+ * Get whether the ParserOutput is a dirty one (i.e. expired)
+ *
+ * @return bool
+ */
+ public function getIsDirty() {
+ return $this->isDirty;
+ }
+
+ /**
+ * Get a Status object in case of error or false otherwise
+ *
+ * @return Status|bool
+ */
+ public function getError() {
+ return $this->error;
+ }
+
+ /**
+ * @return bool
+ */
+ public function doWork() {
+ global $wgUseFileCache;
+
+ // @todo several of the methods called on $this->page are not declared in Page, but present
+ // in WikiPage and delegated by Article.
+
+ $isCurrent = $this->revid === $this->page->getLatest();
+
+ if ( $this->content !== null ) {
+ $content = $this->content;
+ } elseif ( $isCurrent ) {
+ // XXX: why use RAW audience here, and PUBLIC (default) below?
+ $content = $this->page->getContent( Revision::RAW );
+ } else {
+ $rev = Revision::newFromTitle( $this->page->getTitle(), $this->revid );
+
+ if ( $rev === null ) {
+ $content = null;
+ } else {
+ // XXX: why use PUBLIC audience here (default), and RAW above?
+ $content = $rev->getContent();
+ }
+ }
+
+ if ( $content === null ) {
+ return false;
+ }
+
+ // Reduce effects of race conditions for slow parses (bug 46014)
+ $cacheTime = wfTimestampNow();
+
+ $time = - microtime( true );
+ $this->parserOutput = $content->getParserOutput(
+ $this->page->getTitle(),
+ $this->revid,
+ $this->parserOptions
+ );
+ $time += microtime( true );
+
+ // Timing hack
+ if ( $time > 3 ) {
+ wfDebugLog( 'slow-parse', sprintf( "%-5.2f %s", $time,
+ $this->page->getTitle()->getPrefixedDBkey() ) );
+ }
+
+ if ( $this->cacheable && $this->parserOutput->isCacheable() && $isCurrent ) {
+ ParserCache::singleton()->save(
+ $this->parserOutput, $this->page, $this->parserOptions, $cacheTime, $this->revid );
+ }
+
+ // Make sure file cache is not used on uncacheable content.
+ // Output that has magic words in it can still use the parser cache
+ // (if enabled), though it will generally expire sooner.
+ if ( !$this->parserOutput->isCacheable() || $this->parserOutput->containsOldMagic() ) {
+ $wgUseFileCache = false;
+ }
+
+ if ( $isCurrent ) {
+ $this->page->doCascadeProtectionUpdates( $this->parserOutput );
+ }
+
+ return true;
+ }
+
+ /**
+ * @return bool
+ */
+ public function getCachedWork() {
+ $this->parserOutput = ParserCache::singleton()->get( $this->page, $this->parserOptions );
+
+ if ( $this->parserOutput === false ) {
+ wfDebug( __METHOD__ . ": parser cache miss\n" );
+ return false;
+ } else {
+ wfDebug( __METHOD__ . ": parser cache hit\n" );
+ return true;
+ }
+ }
+
+ /**
+ * @return bool
+ */
+ public function fallback() {
+ $this->parserOutput = ParserCache::singleton()->getDirty( $this->page, $this->parserOptions );
+
+ if ( $this->parserOutput === false ) {
+ wfDebugLog( 'dirty', 'dirty missing' );
+ wfDebug( __METHOD__ . ": no dirty cache\n" );
+ return false;
+ } else {
+ wfDebug( __METHOD__ . ": sending dirty output\n" );
+ wfDebugLog( 'dirty', "dirty output {$this->cacheKey}" );
+ $this->isDirty = true;
+ return true;
+ }
+ }
+
+ /**
+ * @param Status $status
+ * @return bool
+ */
+ public function error( $status ) {
+ $this->error = $status;
+ return false;
+ }
+}