From 02914ea8c8e887dcbd3fafe2a79cd23e1809a16e Mon Sep 17 00:00:00 2001
From: Tim Starling <tstarling@users.mediawiki.org>
Date: Sat, 3 Apr 2004 04:38:09 +0000
Subject: [PATCH] __FORCETOC__ to display a TOC even on pages with less than 4
 headings, written by Silsor

---
 includes/Parser.php    | 23 ++++++++++++++++++-----
 languages/Language.php |  2 ++
 2 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/includes/Parser.php b/includes/Parser.php
index 85198b0e0c..7fc503794a 100644
--- a/includes/Parser.php
+++ b/includes/Parser.php
@@ -1392,13 +1392,26 @@ class Parser
 			$doShowToc = 0;
 		}
 
+		# Get all headlines for numbering them and adding funky stuff like [edit]
+		# links - this is for later, but we need the number of headlines right now
+		$numMatches = preg_match_all( "/<H([1-6])(.*?" . ">)(.*?)<\/H[1-6]>/i", $text, $matches );
+
+		# if there are fewer than 4 headlines in the article, do not show TOC
+		if( $numMatches < 4 ) {
+			$doShowToc = 0;
+		}
+
+		# if the string __FORCETOC__ (not case-sensitive) occurs in the HTML,
+		# override above conditions and always show TOC
+		$mw =& MagicWord::get( MAG_FORCETOC );
+		if ($mw->matchAndRemove( $text ) ) {
+			$doShowToc = 1;
+		}
+
+
 		# We need this to perform operations on the HTML
 		$sk =& $this->mOptions->getSkin();
 
-		# Get all headlines for numbering them and adding funky stuff like [edit]
-		# links
-		preg_match_all( "/<H([1-6])(.*?" . ">)(.*?)<\/H[1-6]>/i", $text, $matches );
-		
 		# headline counter
 		$headlineCount = 0;
 
@@ -1527,7 +1540,7 @@ class Parser
 				$full .= $sk->editSectionLink(0);
 			}
 			$full .= $block;
-			if( $doShowToc && $toclines>3 && !$i) {
+			if( $doShowToc && !$i) {
 				# Let's add a top anchor just in case we want to link to the top of the page
 				$full = "<a name=\"top\"></a>".$full.$toc;
 			}
diff --git a/languages/Language.php b/languages/Language.php
index c8663ca997..fd16df826f 100644
--- a/languages/Language.php
+++ b/languages/Language.php
@@ -39,6 +39,7 @@ define("MAG_IMG_NONE",       19);
 define("MAG_IMG_WIDTH",      20);
 define("MAG_IMG_CENTER",      21);
 define("MAG_INT", 22);
+define("MAG_FORCETOC", 23);
 
 $wgVariableIDs = array(
 	MAG_CURRENTMONTH,
@@ -372,6 +373,7 @@ $wgLanguageNamesEn =& $wgLanguageNames;
 #   ID                                 CASE  SYNONYMS
     MAG_REDIRECT             => array( 0,    "#redirect"              ),
     MAG_NOTOC                => array( 0,    "__NOTOC__"              ),
+    MAG_FORCETOC             => array( 0,    "__FORCETOC__"           ),
     MAG_NOEDITSECTION        => array( 0,    "__NOEDITSECTION__"      ),
     MAG_START                => array( 0,    "__START__"              ),
     MAG_CURRENTMONTH         => array( 1,    "CURRENTMONTH"           ),
-- 
2.20.1