X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/45e2c23e030a6ae60c79c1b97a7a906290f26abe..f826251a6d506d6f8a31e30abfbe89338351bd6a:/IkiWiki/Plugin/toc.pm

diff --git a/IkiWiki/Plugin/toc.pm b/IkiWiki/Plugin/toc.pm
index bc62f71d6..ac07b9af6 100644
--- a/IkiWiki/Plugin/toc.pm
+++ b/IkiWiki/Plugin/toc.pm
@@ -4,29 +4,46 @@ package IkiWiki::Plugin::toc;
 
 use warnings;
 use strict;
-use IkiWiki 2.00;
+use IkiWiki 3.00;
 use HTML::Parser;
 
-sub import { #{{{
+sub import {
+	hook(type => "getsetup", id => "toc", call => \&getsetup);
 	hook(type => "preprocess", id => "toc", call => \&preprocess);
 	hook(type => "format", id => "toc", call => \&format);
-} # }}}
+}
+
+sub getsetup () {
+	return
+		plugin => {
+			safe => 1,
+			rebuild => undef,
+			section => "widget",
+		},
+}
 
 my %tocpages;
 
-sub preprocess (@) { #{{{
+sub preprocess (@) {
 	my %params=@_;
 
-	$params{levels}=1 unless exists $params{levels};
+	if ($params{page} eq $params{destpage}) {
+		$params{levels}=1 unless exists $params{levels};
 
-	# It's too early to generate the toc here, so just record the
-	# info.
-	$tocpages{$params{destpage}}=\%params;
+		# It's too early to generate the toc here, so just record the
+		# info.
+		$tocpages{$params{destpage}}=\%params;
 
-	return "\n<div class=\"toc\"></div>\n";
-} # }}}
+		return "\n<div class=\"toc\"></div>\n";
+	}
+	else {
+		# Don't generate toc in an inlined page, doesn't work
+		# right.
+		return "";
+	}
+}
 
-sub format (@) { #{{{
+sub format (@) {
 	my %params=@_;
 	my $content=$params{content};
 	
@@ -37,8 +54,8 @@ sub format (@) { #{{{
 	my $page="";
 	my $index="";
 	my %anchors;
-	my $curlevel;
-	my $startlevel=0;
+	my $startlevel=($params{startlevel} ? $params{startlevel} : 0);
+	my $curlevel=$startlevel-1;
 	my $liststarted=0;
 	my $indent=sub { "\t" x $curlevel };
 	$p->handler(start => sub {
@@ -49,12 +66,17 @@ sub format (@) { #{{{
 			my $anchor="index".++$anchors{$level}."h$level";
 			$page.="$text<a name=\"$anchor\"></a>";
 	
-			# Take the first header level seen as the topmost level,
+			# Unless we're given startlevel as a parameter,
+			# take the first header level seen as the topmost level,
 			# even if there are higher levels seen later on.
 			if (! $startlevel) {
 				$startlevel=$level;
 				$curlevel=$startlevel-1;
 			}
+			elsif (defined $params{startlevel} &&
+			       $level < $params{startlevel}) {
+			    return;
+			}
 			elsif ($level < $startlevel) {
 				$level=$startlevel;
 			}
@@ -79,17 +101,25 @@ sub format (@) { #{{{
 				}
 				$liststarted=0;
 			}
+				
+			$index.=&$indent."</li>\n" unless $liststarted;
+			$liststarted=0;
+			$index.=&$indent."<li class=\"L$curlevel\">".
+				"<a href=\"#$anchor\">";
 	
 			$p->handler(text => sub {
 				$page.=join("", @_);
-				$index.=&$indent."</li>\n" unless $liststarted;
-				$liststarted=0;
-				$index.=&$indent."<li class=\"L$curlevel\">".
-					"<a href=\"#$anchor\">".
-					join("", @_).
-					"</a>\n";
-				$p->handler(text => undef);
+				$index.=join("", @_);
 			}, "dtext");
+			$p->handler(end => sub {
+				my $tagname=shift;
+				if ($tagname =~ /^h(\d+)$/i) {
+					$p->handler(text => undef);
+					$p->handler(end => undef);
+					$index.="</a>\n";
+				}
+				$page.=join("", @_);
+			}, "tagname, text");
 		}
 		else {
 			$page.=$text;