IkiWiki/Plugin/listdirectives.pm

   1 #!/usr/bin/perl
   2 # Ikiwiki listdirectives plugin.
   3 package IkiWiki::Plugin::listdirectives;
   4
   5 use warnings;
   6 use strict;
   7 use IkiWiki 2.00;
   8
   9 sub import {
  10         add_underlay("directives");
  11         hook(type => "getsetup", id => "listdirectives", call => \&getsetup);
  12         hook(type => "checkconfig", id => "listdirectives", call => \&checkconfig);
  13         hook(type => "needsbuild", id => "listdirectives", call => \&needsbuild);
  14         hook(type => "preprocess", id => "listdirectives", call => \&preprocess);
  15 }
  16
  17 sub getsetup () {
  18         return
  19                 plugin => {
  20                         safe => 1,
  21                         rebuild => undef,
  22                 },
  23                 directive_description_dir => {
  24                         type => "string",
  25                         description => "directory in srcdir that contains directive descriptions",
  26                         example => "ikiwiki/directive",
  27                         safe => 1,
  28                         rebuild => 1,
  29                 },
  30 }
  31
  32 my @fulllist;
  33 my @shortlist;
  34 my $pluginstring;
  35
  36 sub checkconfig () {
  37         if (! defined $config{directive_description_dir}) {
  38                 $config{directive_description_dir} = "ikiwiki/directive";
  39         }
  40         else {
  41                 $config{directive_description_dir} =~ s/\/+$//;
  42         }
  43 }
  44
  45 sub needsbuild (@) {
  46         my $needsbuild=shift;
  47
  48         @fulllist = sort keys %{$IkiWiki::hooks{preprocess}};
  49         @shortlist = grep { ! $IkiWiki::hooks{preprocess}{$_}{shortcut} } @fulllist;
  50         $pluginstring = join(' ', @shortlist) . " : " . join(' ', @fulllist);
  51
  52         foreach my $page (keys %pagestate) {
  53                 if (exists $pagestate{$page}{listdirectives}{shown}) {
  54                         if ($pagestate{$page}{listdirectives}{shown} ne $pluginstring) {
  55                                 push @$needsbuild, $pagesources{$page};
  56                         }
  57                         if (exists $pagesources{$page} &&
  58                             grep { $_ eq $pagesources{$page} } @$needsbuild) {
  59                                 # remove state, will be re-added if
  60                                 # the [[!listdirectives]] is still there during the
  61                                 # rebuild
  62                                 delete $pagestate{$page}{listdirectives}{shown};
  63                         }
  64                 }
  65         }
  66 }
  67
  68 sub preprocess (@) {
  69         my %params=@_;
  70
  71         $pagestate{$params{destpage}}{listdirectives}{shown}=$pluginstring;
  72
  73         my @pluginlist;
  74
  75         if (defined $params{generated}) {
  76                 @pluginlist = @fulllist;
  77         }
  78         else {
  79                 @pluginlist = @shortlist;
  80         }
  81
  82         my $result = '<ul class="listdirectives">';
  83
  84         foreach my $plugin (@pluginlist) {
  85                 $result .= '<li class="listdirectives">';
  86                 my $link=linkpage($config{directive_description_dir}."/".$plugin);
  87                 add_depends($params{page}, $link);
  88                 $result .= htmllink($params{page}, $params{destpage}, $link);
  89                 $result .= '</li>';
  90         }
  91
  92         $result .= "</ul>";
  93
  94         return $result;
  95 }
  96
  97 1