IkiWiki/Plugin/brokenlinks.pm

   1 #!/usr/bin/perl
   2 # Provides a list of broken links.
   3 package IkiWiki::Plugin::brokenlinks;
   4
   5 use warnings;
   6 use strict;
   7 use IkiWiki 2.00;
   8
   9 sub import { #{{{
  10         hook(type => "preprocess", id => "brokenlinks", call => \&preprocess);
  11 } # }}}
  12
  13 sub preprocess (@) { #{{{
  14         my %params=@_;
  15         $params{pages}="*" unless defined $params{pages};
  16
  17         # Needs to update whenever a page is added or removed, so
  18         # register a dependency.
  19         add_depends($params{page}, $params{pages});
  20
  21         my %broken;
  22         foreach my $page (keys %links) {
  23                 if (pagespec_match($page, $params{pages}, location => $params{page})) {
  24                         my $discussion=gettext("discussion");
  25                         my %seen;
  26                         foreach my $link (@{$links{$page}}) {
  27                                 next if $seen{$link};
  28                                 $seen{$link}=1;
  29                                 next if $link =~ /.*\/\Q$discussion\E/i && $config{discussion};
  30                                 my $bestlink=bestlink($page, $link);
  31                                 next if length $bestlink;
  32                                 push @{$broken{$link}}, $page;
  33                         }
  34                 }
  35         }
  36
  37         my @broken;
  38         foreach my $link (keys %broken) {
  39                 my $page=$broken{$link}->[0];
  40                 push @broken, sprintf(gettext("%s from %s"),
  41                         htmllink($page, $params{destpage}, $link, noimageinline => 1),
  42                         join(", ", map {
  43                                 htmllink($params{page}, $params{destpage}, $_,  noimageinline => 1)
  44                         } @{$broken{$link}}));
  45         }
  46
  47         return gettext("There are no broken links!") unless %broken;
  48         return "<ul>\n"
  49                 .join("\n",
  50                         map {
  51                                 "<li>$_</li>"
  52                         }
  53                         sort @broken)
  54                 ."</ul>\n";
  55 } # }}}
  56
  57 1