path: root/IkiWiki/Plugin/txt.pm

#!/usr/bin/perl
# .txt as a wiki page type - links WikiLinks and URIs.
#
# Copyright (C) 2008 Gabriel McManus <gmcmanus@gmail.com>
# Licensed under the GNU General Public License, version 2 or later

package IkiWiki::Plugin::txt;

use warnings;
use strict;
use IkiWiki 3.00;
use HTML::Entities;

my $findurl=0;

sub import {
    hook(type => "getsetup", id => "txt", call => \&getsetup);
    hook(type => "filter", id => "txt", call => \&filter);
    hook(type => "htmlize", id => "txt", call => \&htmlize);
    hook(type => "htmlizeformat", id => "txt", call => \&htmlizeformat);

    eval q{use URI::Find};
    if (! $@) {
        $findurl=1;
    }
}

sub getsetup () {
    return
        plugin => {
            safe => 1,
            rebuild => 1, # format plugin
            section => "format",
        },
}

# We use filter to convert raw text to HTML
# (htmlize is called after other plugins insert HTML)
sub filter (@) {
    my %params = @_;
    my $content = $params{content};

    if (defined $pagesources{$params{page}} &&
        $pagesources{$params{page}} =~ /\.txt$/) {
        if ($pagesources{$params{page}} eq 'robots.txt' &&
            $params{page} eq $params{destpage}) {
            will_render($params{page}, 'robots.txt');
            writefile('robots.txt', $config{destdir}, $content);
        }
        return txt2html($content);
    }

    return $content;
}

sub txt2html ($) {
    my $content=shift;
    
    encode_entities($content, "<>&");
    if ($findurl) {
        my $finder = URI::Find->new(sub {
            my ($uri, $orig_uri) = @_;
            return qq|<a href="$uri">$orig_uri</a>|;
        });
        $finder->find(\$content);
    }
    return "<pre>" . $content . "</pre>";
}

# We need this to register the .txt file extension
sub htmlize (@) {
    my %params=@_;
    return $params{content};
}

sub htmlizeformat ($$) {
    my $format=shift;
    my $content=shift;

    if ($format eq 'txt') {
        return txt2html($content);
    }
    else {
        return;
    }
}

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