use strict;
use IkiWiki 2.00;
-sub import { #{{{
+sub import {
IkiWiki::loadplugin('sparkline');
+ hook(type => "getsetup", id => "postsparkline", call => \&getsetup);
hook(type => "preprocess", id => "postsparkline", call => \&preprocess);
-} # }}}
+}
+
+sub getsetup () {
+ return
+ plugin => {
+ safe => 1,
+ rebuild => undef,
+ },
+}
-sub preprocess (@) { #{{{
+sub preprocess (@) {
my %params=@_;
if (! exists $params{max}) {
}
if (! exists $params{formula}) {
- return "[[postsparkline ".gettext("missing formula")."]]";
+ error gettext("missing formula")
}
my $formula=$params{formula};
$formula=~s/[^a-zA-Z0-9]*//g;
$formula=IkiWiki::possibly_foolish_untaint($formula);
if (! length $formula ||
! IkiWiki::Plugin::postsparkline::formula->can($formula)) {
- return "[[postsparkline ".gettext("unknown formula")."]]";
+ error gettext("unknown formula");
}
add_depends($params{page}, $params{pages});
my @data=eval qq{IkiWiki::Plugin::postsparkline::formula::$formula(\\\%params, \@list)};
if ($@) {
- return "[[postsparkline error $@]]";
+ error $@;
+ }
+
+ if (! @data) {
+ # generate an empty graph
+ push @data, 0 foreach 1..($params{max} / 2);
}
my $color=exists $params{color} ? "($params{color})" : "";
delete $params{color};
return IkiWiki::Plugin::sparkline::preprocess(%params,
map { $_.$color => "" } reverse @data);
-} # }}}
+}
sub perfoo ($@) {
my $sub=shift;