IkiWiki/Plugin/pagecount.pm



#!/usr/bin/perl
# Provides [[pagecount ]] to count the number of pages.
package IkiWiki::Plugin::pagecount;

use warnings;
use strict;
use IkiWiki;

sub import { #{{{
    IkiWiki::hook(type => "preprocess", id => "pagecount", 
        call => \&preprocess);
} # }}}

sub preprocess (@) { #{{{
    my %params=@_;
    $params{pages}="*" unless defined $params{pages};
    
    # Needs to update count whenever a page is added or removed, so
    # register a dependency.
    IkiWiki::add_depends($params{page}, $params{pages});
    
    my @pages=keys %IkiWiki::pagesources;
    return $#pages+1 if $params{pages} eq "*"; # optimisation
    my $count=0;
    foreach my $page (@pages) {
        $count++ if IkiWiki::pagespec_match($page, $params{pages});
    }
    return $count;
} # }}}

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