From 63995039bee70bbc1209addfd0095d2ae8342fd7 Mon Sep 17 00:00:00 2001
From: joey <joey@0fa5a96a-9a0e-0410-b3b2-a0fd24251071>
Date: Sat, 12 May 2007 19:17:41 +0000
Subject: [PATCH] optimise backlinks counting for pagestats, simplify function
 returns again

---
 IkiWiki/Plugin/pagestats.pm |  3 +--
 IkiWiki/Render.pm           | 17 +++++++++++------
 2 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/IkiWiki/Plugin/pagestats.pm b/IkiWiki/Plugin/pagestats.pm
index fdda5767a..cdde43628 100644
--- a/IkiWiki/Plugin/pagestats.pm
+++ b/IkiWiki/Plugin/pagestats.pm
@@ -35,8 +35,7 @@ sub preprocess (@) { #{{{
 	foreach my $page (keys %links) {
 		if (pagespec_match($page, $params{pages}, location => $params{page})) {
 			use IkiWiki::Render;
-			my @bl = IkiWiki::backlinks($page);
-			$counts{$page} = scalar(@{$bl[0]})+scalar(@{$bl[1]});
+			$counts{$page} = scalar(IkiWiki::backlinks($page));
 			$max = $counts{$page} if $counts{$page} > $max;
 		}
 	}
diff --git a/IkiWiki/Render.pm b/IkiWiki/Render.pm
index 37383384d..92993fd95 100644
--- a/IkiWiki/Render.pm
+++ b/IkiWiki/Render.pm
@@ -44,11 +44,7 @@ sub backlinks ($) { #{{{
 			       
 		push @links, { url => $href, page => pagetitle($p_trimmed) };
 	}
-	@links = sort { $a->{page} cmp $b->{page} } @links;
-
-	return \@links, [] if @links <= $config{numbacklinks} || ! $config{numbacklinks};
-	return [@links[0..$config{numbacklinks}-1]],
-	       [@links[$config{numbacklinks}..$#links]];
+	return @links;
 } #}}}
 
 sub parentlinks ($) { #{{{
@@ -105,7 +101,16 @@ sub genpage ($$$) { #{{{
 		$template->param(have_actions => 1);
 	}
 
-	my ($backlinks, $more_backlinks)=backlinks($page);
+	my @backlinks=sort { $a->{page} cmp $b->{page} } backlinks($page);
+	my ($backlinks, $more_backlinks);
+	if (@backlinks <= $config{numbacklinks} || ! $config{numbacklinks}) {
+		$backlinks=\@backlinks;
+		$more_backlinks=[];
+	}
+	else {
+		$backlinks=[@backlinks[0..$config{numbacklinks}-1]];
+		$more_backlinks=[@backlinks[$config{numbacklinks}..$#backlinks]];
+	}
 
 	$template->param(
 		title => $page eq 'index'