#!/usr/bin/perl # Provides a list of pages no other page links to. package IkiWiki::Plugin::orphans; use warnings; use strict; use IkiWiki 2.00; sub import { #{{{ hook(type => "preprocess", id => "orphans", call => \&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}); 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, $page; } return gettext("All pages are linked to by other pages.") unless @orphans; return "<ul>\n". join("\n", map { "<li>". htmllink($params{page}, $params{destpage}, $_, noimageinline => 1). "</li>" } sort @orphans). "</ul>\n"; } # }}} 1