X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/39195de96e6f705e4a5741254d6d01d14127005c..95b45864debe8070e8229cc7def21aef5447f541:/IkiWiki/Plugin/orphans.pm

diff --git a/IkiWiki/Plugin/orphans.pm b/IkiWiki/Plugin/orphans.pm
index b910758e0..e3cc3c940 100644
--- a/IkiWiki/Plugin/orphans.pm
+++ b/IkiWiki/Plugin/orphans.pm
@@ -4,51 +4,56 @@ package IkiWiki::Plugin::orphans;
 
 use warnings;
 use strict;
-use IkiWiki 2.00;
+use IkiWiki 3.00;
 
-sub import { #{{{
+sub import {
 	hook(type => "getsetup", id => "orphans", call => \&getsetup);
 	hook(type => "preprocess", id => "orphans", call => \&preprocess);
-} # }}}
+}
 
-sub getsetup () { #{{{
+sub getsetup () {
 	return 
 		plugin => {
 			safe => 1,
 			rebuild => undef,
+			section => "widget",
 		},
-} #}}}
+}
 
-sub preprocess (@) { #{{{
+sub preprocess (@) {
 	my %params=@_;
 	$params{pages}="*" unless defined $params{pages};
 	
-	# Needs to update whenever a page is added or removed, so
-	# register a dependency.
-	add_depends($params{page}, $params{pages});
+	# Needs to update whenever a link changes, on any page
+	# since any page could link to one of the pages we're
+	# considering as orphans.
+	add_depends($params{page}, "*", deptype("links"));
 	
-	my %linkedto;
-	foreach my $p (keys %links) {
-		map { $linkedto{bestlink($p, $_)}=1 if length $_ }
-			@{$links{$p}};
-	}
-	
-	my @orphans;
-	my $discussion=gettext("discussion");
-	foreach my $page (keys %pagesources) {
-		next if $linkedto{$page} || $page eq 'index';
-		next unless pagespec_match($page, $params{pages}, location => $params{page});
-		# If the page has a link to some other page, it's
-		# indirectly linked to a page via that page's backlinks.
-		next if grep { 
-			length $_ &&
-			($_ !~ /\/\Q$discussion\E$/i || ! $config{discussion}) &&
-			bestlink($page, $_) !~ /^($page|)$/ 
-		} @{$links{$page}};
-		push @orphans, $page;
-	}
+	my @orphans=pagespec_match_list($params{page}, $params{pages},
+		# update when orphans are added/removed
+		deptype => deptype("presence"),
+		filter => sub {
+			my $page=shift;
+
+			# Filter out pages that other pages link to.
+			return 1 if IkiWiki::backlink_pages($page);
+
+			# Toplevel index is assumed to never be orphaned.
+			return 1 if $page eq 'index';
+
+			# If the page has a link to some other page, it's
+			# indirectly linked via that page's backlinks.
+			return 1 if grep {
+				length $_ &&
+				($_ !~ /\/\Q$config{discussionpage}\E$/i || ! $config{discussion}) &&
+				bestlink($page, $_) !~ /^(\Q$page\E|)$/ 
+			} @{$links{$page}};
+			
+			return 0;
+		},
+	);
 	
-	return gettext("All pages are linked to by other pages.") unless @orphans;
+	return gettext("All pages have other pages linking to them.") unless @orphans;
 	return "<ul>\n".
 		join("\n",
 			map {
@@ -58,6 +63,6 @@ sub preprocess (@) { #{{{
 				"</li>"
 			} sort @orphans).
 		"</ul>\n";
-} # }}}
+}
 
 1