From 396b28f3d881f5debd888ba9bb9b47c2d478a76f Mon Sep 17 00:00:00 2001
From: Pierre Schmitz <pierre@archlinux.de>
Date: Mon, 15 Dec 2008 18:02:47 +0100
Subject: update to Mediawiki 1.13.3; some cleanups

---
 includes/ParserCache.php | 119 -----------------------------------------------
 1 file changed, 119 deletions(-)
 delete mode 100644 includes/ParserCache.php

(limited to 'includes/ParserCache.php')

diff --git a/includes/ParserCache.php b/includes/ParserCache.php
deleted file mode 100644
index 129b7132..00000000
--- a/includes/ParserCache.php
+++ /dev/null
@@ -1,119 +0,0 @@
-<?php
-/**
- *
- * @addtogroup Cache
- * @todo document
- */
-class ParserCache {
-	/**
-	 * Get an instance of this object
-	 */
-	public static function &singleton() {
-		static $instance;
-		if ( !isset( $instance ) ) {
-			global $parserMemc;
-			$instance = new ParserCache( $parserMemc );
-		}
-		return $instance;
-	}
-
-	/**
-	 * Setup a cache pathway with a given back-end storage mechanism.
-	 * May be a memcached client or a BagOStuff derivative.
-	 *
-	 * @param object $memCached
-	 */
-	function __construct( &$memCached ) {
-		$this->mMemc =& $memCached;
-	}
-
-	function getKey( &$article, &$user ) {
-		global $action;
-		$hash = $user->getPageRenderingHash();
-		if( !$article->mTitle->quickUserCan( 'edit' ) ) {
-			// section edit links are suppressed even if the user has them on
-			$edit = '!edit=0';
-		} else {
-			$edit = '';
-		}
-		$pageid = intval( $article->getID() );
-		$renderkey = (int)($action == 'render');
-		$key = wfMemcKey( 'pcache', 'idhash', "$pageid-$renderkey!$hash$edit" );
-		return $key;
-	}
-
-	function getETag( &$article, &$user ) {
-		return 'W/"' . $this->getKey($article, $user) . "--" . $article->mTouched. '"';
-	}
-
-	function get( &$article, &$user ) {
-		global $wgCacheEpoch;
-		$fname = 'ParserCache::get';
-		wfProfileIn( $fname );
-
-		$key = $this->getKey( $article, $user );
-
-		wfDebug( "Trying parser cache $key\n" );
-		$value = $this->mMemc->get( $key );
-		if ( is_object( $value ) ) {
-			wfDebug( "Found.\n" );
-			# Delete if article has changed since the cache was made
-			$canCache = $article->checkTouched();
-			$cacheTime = $value->getCacheTime();
-			$touched = $article->mTouched;
-			if ( !$canCache || $value->expired( $touched ) ) {
-				if ( !$canCache ) {
-					wfIncrStats( "pcache_miss_invalid" );
-					wfDebug( "Invalid cached redirect, touched $touched, epoch $wgCacheEpoch, cached $cacheTime\n" );
-				} else {
-					wfIncrStats( "pcache_miss_expired" );
-					wfDebug( "Key expired, touched $touched, epoch $wgCacheEpoch, cached $cacheTime\n" );
-				}
-				$this->mMemc->delete( $key );
-				$value = false;
-			} else {
-				if ( isset( $value->mTimestamp ) ) {
-					$article->mTimestamp = $value->mTimestamp;
-				}
-				wfIncrStats( "pcache_hit" );
-			}
-		} else {
-			wfDebug( "Parser cache miss.\n" );
-			wfIncrStats( "pcache_miss_absent" );
-			$value = false;
-		}
-
-		wfProfileOut( $fname );
-		return $value;
-	}
-
-	function save( $parserOutput, &$article, &$user ){
-		global $wgParserCacheExpireTime;
-		$key = $this->getKey( $article, $user );
-
-		if( $parserOutput->getCacheTime() != -1 ) {
-
-			$now = wfTimestampNow();
-			$parserOutput->setCacheTime( $now );
-
-			// Save the timestamp so that we don't have to load the revision row on view
-			$parserOutput->mTimestamp = $article->getTimestamp();
-
-			$parserOutput->mText .= "\n<!-- Saved in parser cache with key $key and timestamp $now -->\n";
-			wfDebug( "Saved in parser cache with key $key and timestamp $now\n" );
-
-			if( $parserOutput->containsOldMagic() ){
-				$expire = 3600; # 1 hour
-			} else {
-				$expire = $wgParserCacheExpireTime;
-			}
-			$this->mMemc->set( $key, $parserOutput, $expire );
-
-		} else {
-			wfDebug( "Parser output was marked as uncacheable and has not been saved.\n" );
-		}
-	}
-
-}
-
-
-- 
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