From: Roan Kattouw <catrope@users.mediawiki.org>
Date: Thu, 16 Apr 2009 21:46:49 +0000 (+0000)
Subject: (bug 6092) Add parser function equivalents of {{REVISIONID}}, {{REVISIONTIMESTAMP... 
X-Git-Tag: 1.31.0-rc.0~42118
X-Git-Url: https://git.cyclocoop.org/%7B%24www_url%7Dadmin/compta/comptes/journal.php?a=commitdiff_plain;h=30c3ce9f9a7b620566c9428492874f6e72dd0007;p=lhc%2Fweb%2Fwiklou.git

(bug 6092) Add parser function equivalents of {{REVISIONID}}, {{REVISIONTIMESTAMP}}  (and friends) and {{REVISIONUSER}} magic words. These parser functions are marked as expensive and cache their results
---

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 44c8a48fc8..7e6c8666a6 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -165,6 +165,8 @@ it from source control: http://www.mediawiki.org/wiki/Download_from_SVN
   to allow extensions to update caches in similar way as MediaWiki invalidates
   a cached MonoBook sidebar
 * Special:AllPages: Move hardcoded styles from code to CSS
+* (bug 6092) Add parser function equivalents of {{REVISIONID}},
+  {{REVISIONTIMESTAMP}}  (and friends) and {{REVISIONUSER}} magic words
 
 === Bug fixes in 1.15 ===
 * (bug 16968) Special:Upload no longer throws useless warnings.
diff --git a/includes/parser/CoreParserFunctions.php b/includes/parser/CoreParserFunctions.php
index fb50b4697c..8f528eca0e 100644
--- a/includes/parser/CoreParserFunctions.php
+++ b/includes/parser/CoreParserFunctions.php
@@ -66,6 +66,13 @@ class CoreParserFunctions {
 		$parser->setFunctionHook( 'talkpagenamee',    array( __CLASS__, 'talkpagenamee'    ), SFH_NO_HASH );
 		$parser->setFunctionHook( 'subjectpagename',  array( __CLASS__, 'subjectpagename'  ), SFH_NO_HASH );
 		$parser->setFunctionHook( 'subjectpagenamee', array( __CLASS__, 'subjectpagenamee' ), SFH_NO_HASH );
+		$parser->setFunctionHook( 'revisionid',       array( __CLASS__, 'revisionid'       ), SFH_NO_HASH );
+		$parser->setFunctionHook( 'revisiontimestamp',array( __CLASS__, 'revisiontimestamp'), SFH_NO_HASH );
+		$parser->setFunctionHook( 'revisionday',      array( __CLASS__, 'revisionday'      ), SFH_NO_HASH );
+		$parser->setFunctionHook( 'revisionday2',     array( __CLASS__, 'revisionday2'     ), SFH_NO_HASH );
+		$parser->setFunctionHook( 'revisionmonth',    array( __CLASS__, 'revisionmonth'    ), SFH_NO_HASH );
+		$parser->setFunctionHook( 'revisionyear',     array( __CLASS__, 'revisionyear'     ), SFH_NO_HASH );
+		$parser->setFunctionHook( 'revisionuser',     array( __CLASS__, 'revisionuser'     ), SFH_NO_HASH );
 		$parser->setFunctionHook( 'tag',              array( __CLASS__, 'tagObj'           ), SFH_OBJECT_ARGS );
 		$parser->setFunctionHook( 'formatdate',		  array( __CLASS__, 'formatDate'	   ) );
 		$parser->setFunctionHook( 'groupconvert', 	  array( __CLASS__, 'groupconvert'	   ), SFH_NO_HASH );
@@ -411,6 +418,90 @@ class CoreParserFunctions {
 			return '';
 		return $t->getSubjectPage()->getPrefixedUrl();
 	}
+	/*
+	 * Functions to get revision informations, corresponding to the magic words
+	 * of the same names
+	 */
+	static function revisionid( $parser, $title = null ) {
+		static $cache = array ();
+		$t = Title::newFromText( $title );
+		if ( is_null( $t ) )
+			return '';
+		if ( $t->equals( $parser->getTitle() ) ) {
+			// Let the edit saving system know we should parse the page
+			// *after* a revision ID has been assigned.
+			$parser->mOutput->setFlag( 'vary-revision' );
+			wfDebug( __METHOD__ . ": {{REVISIONID}} used, setting vary-revision...\n" );
+			return $parser->getRevisionId();
+		}
+		if ( isset( $cache[$t->getPrefixedText()] ) )
+			return $cache[$t->getPrefixedText()];
+		elseif ( $parser->incrementExpensiveFunctionCount() ) {
+			$a = new Article( $t );
+			return $cache[$t->getPrefixedText()] = $a->getRevIdFetched();
+		}
+		return '';
+	}
+	static function revisiontimestamp( $parser, $title = null ) {
+		static $cache = array ();
+		$t = Title::newFromText( $title );
+		if ( is_null( $t ) )
+			return '';
+		if ( $t->equals( $parser->getTitle() ) ) {
+			// Let the edit saving system know we should parse the page
+			// *after* a revision ID has been assigned. This is for null edits.
+			$parser->mOutput->setFlag( 'vary-revision' );
+			wfDebug( __METHOD__ . ": {{REVISIONTIMESTAMP}} or related parser function used, setting vary-revision...\n" );
+			return $parser->getRevisionTimestamp();
+		}
+		if ( isset( $cache[$t->getPrefixedText()] ) )
+			return $cache[$t->getPrefixedText()];
+		elseif ( $parser->incrementExpensiveFunctionCount() ) {
+			$a = new Article( $t );
+			return $cache[$t->getPrefixedText()] = $a->getTimestamp();
+		}
+		return '';
+	}
+	static function revisionday( $parser, $title = null ) {
+		$timestamp = self::revisiontimestamp( $parser, $title );
+		if ( $timestamp == '' ) return '';
+		return intval( substr( $timestamp, 6, 2 ) );
+	}
+	static function revisionday2( $parser, $title = null ) {
+		$timestamp = self::revisiontimestamp( $parser, $title );
+		if ( $timestamp == '' ) return '';
+		return substr( $timestamp, 6, 2 );
+	}
+	static function revisionmonth( $parser, $title = null ) {
+		$timestamp = self::revisiontimestamp( $parser, $title );
+		if ( $timestamp == '' ) return '';
+		return intval( substr( $timestamp, 4, 2 ) );
+	}
+	static function revisionyear( $parser, $title = null ) {
+		$timestamp = self::revisiontimestamp( $parser, $title );
+		if ( $timestamp == '' ) return '';
+		return substr( $timestamp, 0, 4 );
+	}
+	static function revisionuser( $parser, $title = null ) {
+		static $cache = array();
+		$t = Title::newFromText( $title );
+		if ( is_null( $t ) )
+			return '';
+		if ( $t->equals( $parser->getTitle() ) ) {
+			// Let the edit saving system know we should parse the page
+			// *after* a revision ID has been assigned. This is for null edits.
+			$parser->mOutput->setFlag( 'vary-revision' );
+			wfDebug( __METHOD__ . ": {{REVISIONUSER}} used, setting vary-revision...\n" );
+			return $parser->getRevisionUser();
+		}
+		if ( isset( $cache[$t->getPrefixedText()] ) )
+			return $cache[$t->getPrefixedText()];
+		elseif ( $parser->incrementExpensiveFunctionCount() ) {
+			$a = new Article( $t );
+			return $cache[$t->getPrefixedText()] = $a->getUserText();
+		}
+		return '';
+	}
 	
 	/**
 	 * Return the number of pages in the given category, or 0 if it's nonexis-