IkiWiki/Plugin/progress.pm



#!/usr/bin/perl
package IkiWiki::Plugin::progress;

use warnings;
use strict;
use IkiWiki 3.00;

my $percentage_pattern = qr/[0-9]+\%?/; # pattern to validate percentages

sub import {
    hook(type => "getsetup", id => "progress", call => \&getsetup);
    hook(type => "preprocess", id => "progress", call => \&preprocess);
    hook(type => "format",     id => "progress", call => \&format);
}

sub getsetup () {
    return 
        plugin => {
            safe => 1,
            rebuild => undef,
        },
}

sub preprocess (@) {
    my %params=@_;
    
    my $fill;
    
    if (defined $params{percent}) {
        $fill = $params{percent};
        ($fill) = $fill =~ m/($percentage_pattern)/; # fill is untainted now
        $fill=~s/%$//;
        if (! defined $fill || ! length $fill || $fill > 100 || $fill < 0) {
            error(sprintf(gettext("illegal percent value %s"), $params{percent}));
        }
        $fill.="%";
    }
    elsif (defined $params{totalpages} and defined $params{donepages}) {
        my $totalcount=pagespec_match_list(
            $params{page}, $params{totalpages},
            deptype => deptype("presence"));
        my $donecount=pagespec_match_list(
            $params{page}, $params{donepages},
            deptype => deptype("presence"));
        
        if ($totalcount == 0) {
            $fill = "100%";
        }
        else {
            my $number = $donecount/$totalcount*100;
            $fill = sprintf("%u%%", $number);
        }
    }
    else {
        error(gettext("need either `percent` or `totalpages` and `donepages` parameters"));
    }

    return <<EODIV
<div class="progress">
  <div class="progress-done" style="width: $fill">$fill</div>
</div>
EODIV
}

sub format(@) {
    my %params = @_;

    # If HTMLScrubber has removed the style attribute, then bring it back

    $params{content} =~ s!<div class="progress-done">($percentage_pattern)</div>!<div class="progress-done" style="width: $1">$1</div>!g;

    return $params{content};    
}

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