69 lines
1.6 KiB
Perl
69 lines
1.6 KiB
Perl
#!/usr/bin/perl
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# Provides a list of pages no other page links to.
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package IkiWiki::Plugin::orphans;
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use warnings;
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use strict;
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use IkiWiki 3.00;
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sub import {
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hook(type => "getsetup", id => "orphans", call => \&getsetup);
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hook(type => "preprocess", id => "orphans", call => \&preprocess);
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}
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sub getsetup () {
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return
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plugin => {
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safe => 1,
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rebuild => undef,
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section => "widget",
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},
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}
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sub preprocess (@) {
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my %params=@_;
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$params{pages}="*" unless defined $params{pages};
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# Needs to update whenever a link changes, on any page
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# since any page could link to one of the pages we're
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# considering as orphans.
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add_depends($params{page}, "*", deptype("links"));
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my @orphans=pagespec_match_list($params{page}, $params{pages},
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# update when orphans are added/removed
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deptype => deptype("presence"),
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filter => sub {
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my $page=shift;
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# Filter out pages that other pages link to.
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return 1 if IkiWiki::backlink_pages($page);
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# Toplevel index is assumed to never be orphaned.
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return 1 if $page eq 'index';
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# If the page has a link to some other page, it's
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# indirectly linked via that page's backlinks.
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return 1 if grep {
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length $_ &&
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($_ !~ /\/\Q$config{discussionpage}\E$/i || ! $config{discussion}) &&
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bestlink($page, $_) !~ /^(\Q$page\E|)$/
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} @{$links{$page}};
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return 0;
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},
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);
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return gettext("All pages have other pages linking to them.") unless @orphans;
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return "<ul>\n".
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join("\n",
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map {
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"<li>".
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htmllink($params{page}, $params{destpage}, $_,
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noimageinline => 1).
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"</li>"
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} sort @orphans).
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"</ul>\n";
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}
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1
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