Clear state after performing aggregation, since it could hypothetically

[ikiwiki.git] / IkiWiki / Plugin / tag.pm

diff --git a/IkiWiki/Plugin/tag.pm b/IkiWiki/Plugin/tag.pm
index 957fd986d69a83496eddced3be5e495f85760477..48ed1a8f87eb67ae74302484d49942a468a7a7f4 100644 (file)
--- a/IkiWiki/Plugin/tag.pm
+++ b/IkiWiki/Plugin/tag.pm
@@ -4,17 +4,34 @@ package IkiWiki::Plugin::tag;
 
 use warnings;
 use strict;
-use IkiWiki;
+use IkiWiki 2.00;
 
 my %tags;
 
 sub import { #{{{
-       IkiWiki::hook(type => "preprocess", id => "tag",
-               call => \&preprocess);
-       IkiWiki::hook(type => "pagetemplate", id => "tag",
-               call => \&pagetemplate);
+       hook(type => "getopt", id => "tag", call => \&getopt);
+       hook(type => "preprocess", id => "tag", call => \&preprocess, scan => 1);
+       hook(type => "pagetemplate", id => "tag", call => \&pagetemplate);
 } # }}}
 
+sub getopt () { #{{{
+       eval q{use Getopt::Long};
+       error($@) if $@;
+       Getopt::Long::Configure('pass_through');
+       GetOptions("tagbase=s" => \$config{tagbase});
+} #}}}
+
+sub tagpage ($) { #{{{
+       my $tag=shift;
+                       
+       if (exists $config{tagbase} &&
+           defined $config{tagbase}) {
+               $tag=$config{tagbase}."/".$tag;
+       }
+
+       return $tag;
+} #}}}
+
 sub preprocess (@) { #{{{
        if (! @_) {
                return "";
@@ -23,12 +40,13 @@ sub preprocess (@) { #{{{
        my $page = $params{page};
        delete $params{page};
        delete $params{destpage};
+       delete $params{preview};
 
-       $tags{$page} = [];
        foreach my $tag (keys %params) {
-               push @{$tags{$page}}, $tag;
+               $tag=IkiWiki::linkpage($tag);
+               $tags{$page}{$tag}=1;
                # hidden WikiLink
-               push @{$IkiWiki::links{$page}}, $tag;
+               push @{$links{$page}}, tagpage($tag);
        }
                
        return "";
@@ -40,10 +58,19 @@ sub pagetemplate (@) { #{{{
        my $destpage=$params{destpage};
        my $template=$params{template};
 
-       $template->param(tags => join(', ', 
-                       map { IkiWiki::htmllink($page, $destpage, $_) } 
-                               @{$tags{$page}}))
-               if exists $tags{$page} && $template->query(name => "tags");
+       $template->param(tags => [
+               map { 
+                       link => htmllink($page, $destpage, tagpage($_))
+               }, sort keys %{$tags{$page}}
+       ]) if exists $tags{$page} && %{$tags{$page}} && $template->query(name => "tags");
+
+       if ($template->query(name => "categories")) {
+               # It's an rss/atom template. Add any categories.
+               if (exists $tags{$page} && %{$tags{$page}}) {
+                       $template->param(categories => [map { category => $_ },
+                               sort keys %{$tags{$page}}]);
+               }
+       }
 } # }}}
 
 1