IkiWiki/Plugin/pagecount.pm



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

use warnings;
use strict;
use IkiWiki 3.00;

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

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

sub preprocess (@) {
    my %params=@_;
    my $pages=defined $params{pages} ? $params{pages} : "*";
    
    # Just get a list of all the pages, and count the items in it.
    # Use a presence dependency to only update when pages are added
    # or removed.

    if ($pages eq '*') {
        # optimisation to avoid needing to try matching every page
        add_depends($params{page}, $pages, deptype("presence"));
        return scalar keys %pagesources;
    }

    return scalar use_pagespec($params{page}, $pages,
        deptype => deptype("presence"));
}

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