134 lines
2.9 KiB
Perl
134 lines
2.9 KiB
Perl
#!/usr/bin/perl
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# Ikiwiki tag plugin.
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package IkiWiki::Plugin::tag;
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use warnings;
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use strict;
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use IkiWiki 2.00;
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my %tags;
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sub import { #{{{
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hook(type => "getopt", id => "tag", call => \&getopt);
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hook(type => "getsetup", id => "tag", call => \&getsetup);
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hook(type => "preprocess", id => "tag", call => \&preprocess_tag, scan => 1);
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hook(type => "preprocess", id => "taglink", call => \&preprocess_taglink, scan => 1);
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hook(type => "pagetemplate", id => "tag", call => \&pagetemplate);
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} # }}}
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sub getopt () { #{{{
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eval q{use Getopt::Long};
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error($@) if $@;
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Getopt::Long::Configure('pass_through');
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GetOptions("tagbase=s" => \$config{tagbase});
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} #}}}
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sub getsetup () { #{{{
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return
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plugin => {
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safe => 1,
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rebuild => undef,
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},
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tagbase => {
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type => "string",
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example => "tag",
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description => "parent page tags are located under",
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safe => 1,
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rebuild => 1,
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},
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} #}}}
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sub tagpage ($) { #{{{
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my $tag=shift;
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if ($tag !~ m{^\.?/} &&
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defined $config{tagbase}) {
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$tag=$config{tagbase}."/".$tag;
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}
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return $tag;
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} #}}}
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sub taglink ($$$;@) { #{{{
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my $page=shift;
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my $destpage=shift;
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my $tag=shift;
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my %opts=@_;
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my $link=tagpage($tag);
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# Force tag creation links to create the tag under /tagbase,
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# if there is a tagbase and this tag used it.
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$link="/".$link if $tag ne $link;
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return htmllink($page, $destpage, $link, %opts);
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} #}}}
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sub preprocess_tag (@) { #{{{
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if (! @_) {
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return "";
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}
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my %params=@_;
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my $page = $params{page};
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delete $params{page};
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delete $params{destpage};
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delete $params{preview};
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foreach my $tag (keys %params) {
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$tag=linkpage($tag);
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$tags{$page}{$tag}=1;
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# hidden WikiLink
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push @{$links{$page}}, tagpage($tag);
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}
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return "";
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} # }}}
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sub preprocess_taglink (@) { #{{{
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if (! @_) {
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return "";
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}
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my %params=@_;
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return join(" ", map {
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if (/(.*)\|(.*)/) {
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my $tag=linkpage($2);
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$tags{$params{page}}{$tag}=1;
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push @{$links{$params{page}}}, tagpage($tag);
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return taglink($params{page}, $params{destpage}, $tag,
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linktext => pagetitle($1));
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}
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else {
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my $tag=linkpage($_);
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$tags{$params{page}}{$tag}=1;
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push @{$links{$params{page}}}, tagpage($tag);
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return taglink($params{page}, $params{destpage}, $tag);
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}
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}
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grep {
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$_ ne 'page' && $_ ne 'destpage' && $_ ne 'preview'
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} keys %params);
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} # }}}
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sub pagetemplate (@) { #{{{
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my %params=@_;
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my $page=$params{page};
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my $destpage=$params{destpage};
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my $template=$params{template};
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$template->param(tags => [
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map {
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link => taglink($page, $destpage, $_, rel => "tag")
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}, sort keys %{$tags{$page}}
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]) if exists $tags{$page} && %{$tags{$page}} && $template->query(name => "tags");
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if ($template->query(name => "categories")) {
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# It's an rss/atom template. Add any categories.
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if (exists $tags{$page} && %{$tags{$page}}) {
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$template->param(categories => [map { category => $_ },
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sort keys %{$tags{$page}}]);
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}
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}
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} # }}}
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1
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