ikiwiki/IkiWiki/Plugin/tag.pm

179 lines
3.8 KiB
Perl

#!/usr/bin/perl
# Ikiwiki tag plugin.
package IkiWiki::Plugin::tag;
use warnings;
use strict;
use IkiWiki 3.00;
sub import {
hook(type => "getopt", id => "tag", call => \&getopt);
hook(type => "getsetup", id => "tag", call => \&getsetup);
hook(type => "preprocess", id => "tag", call => \&preprocess_tag, scan => 1);
hook(type => "preprocess", id => "taglink", call => \&preprocess_taglink, scan => 1);
hook(type => "pagetemplate", id => "tag", call => \&pagetemplate);
}
sub getopt () {
eval q{use Getopt::Long};
error($@) if $@;
Getopt::Long::Configure('pass_through');
GetOptions("tagbase=s" => \$config{tagbase});
}
sub getsetup () {
return
plugin => {
safe => 1,
rebuild => undef,
},
tagbase => {
type => "string",
example => "tag",
description => "parent page tags are located under",
safe => 1,
rebuild => 1,
},
tag_autocreate => {
type => "boolean",
example => 1,
description => "autocreate new tag pages?",
safe => 1,
rebuild => undef,
},
}
sub taglink ($) {
my $tag=shift;
if ($tag !~ m{^/} &&
defined $config{tagbase}) {
$tag="/".$config{tagbase}."/".$tag;
$tag=~y#/#/#s; # squash dups
}
return $tag;
}
sub htmllink_tag ($$$;@) {
my $page=shift;
my $destpage=shift;
my $tag=shift;
my %opts=@_;
return htmllink($page, $destpage, taglink($tag), %opts);
}
sub gentag ($) {
my $tag=shift;
if ($config{tag_autocreate} ||
($config{tagbase} && ! defined $config{tag_autocreate})) {
my $tagpage=taglink($tag);
if ($tagpage=~/^\.\/(.*)/) {
$tagpage=$1;
}
else {
$tagpage=~s/^\///;
}
my $tagfile = newpagefile($tagpage, $config{default_pageext});
add_autofile($tagfile, "tag", sub {
my $message=sprintf(gettext("creating tag page %s"), $tagpage);
debug($message);
my $template=template("autotag.tmpl");
$template->param(tagname => IkiWiki::basename($tag));
$template->param(tag => $tag);
writefile($tagfile, $config{srcdir}, $template->output);
if ($config{rcs}) {
IkiWiki::disable_commit_hook();
IkiWiki::rcs_add($tagfile);
IkiWiki::rcs_commit_staged($message, undef, undef);
IkiWiki::enable_commit_hook();
}
});
}
}
sub preprocess_tag (@) {
if (! @_) {
return "";
}
my %params=@_;
my $page = $params{page};
delete $params{page};
delete $params{destpage};
delete $params{preview};
foreach my $tag (keys %params) {
$tag=linkpage($tag);
# hidden WikiLink
add_link($page, taglink($tag), 'tag');
gentag($tag);
}
return "";
}
sub preprocess_taglink (@) {
if (! @_) {
return "";
}
my %params=@_;
return join(" ", map {
if (/(.*)\|(.*)/) {
my $tag=linkpage($2);
add_link($params{page}, taglink($tag), 'tag');
gentag($tag);
return htmllink_tag($params{page}, $params{destpage}, $tag,
linktext => pagetitle($1));
}
else {
my $tag=linkpage($_);
add_link($params{page}, taglink($tag), 'tag');
gentag($tag);
return htmllink_tag($params{page}, $params{destpage}, $tag);
}
}
grep {
$_ ne 'page' && $_ ne 'destpage' && $_ ne 'preview'
} keys %params);
}
sub pagetemplate (@) {
my %params=@_;
my $page=$params{page};
my $destpage=$params{destpage};
my $template=$params{template};
my $tags = $typedlinks{$page}{tag};
$template->param(tags => [
map {
link => htmllink_tag($page, $destpage, $_, rel => "tag")
}, sort keys %$tags
]) if defined $tags && %$tags && $template->query(name => "tags");
if ($template->query(name => "categories")) {
# It's an rss/atom template. Add any categories.
if (defined $tags && %$tags) {
$template->param(categories => [map { category => $_ },
sort keys %$tags]);
}
}
}
package IkiWiki::PageSpec;
sub match_tagged ($$;@) {
my $page=shift;
my $glob=IkiWiki::Plugin::tag::taglink(shift);
return match_link($page, $glob, linktype => 'tag', @_);
}
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