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# Copyright (C) 2008-2010, Sebastian Riedel.
package Mojolicious::Plugin::PodRenderer;
use strict;
use warnings;
use base 'Mojolicious::Plugin';
use Mojo::ByteStream;
# Core module since Perl 5.9.3, so it might not always be present
BEGIN {
die <<'EOF' unless eval { require Pod::Simple::HTML; 1 } }
Module "Pod::Simple::HTML" not present in this version of Perl.
Please install it manually or upgrade Perl to at least version 5.10.
EOF
# This is my first visit to the Galaxy of Terror and I'd like it to be a
# pleasant one.
sub register {
my ($self, $app, $conf) = @_;
# Config
$conf ||= {};
my $name = $conf->{name} || 'pod';
my $preprocess = $conf->{preprocess} || 'ep';
# Add "pod" handler
$app->renderer->add_handler(
$name => sub {
my ($r, $c, $output, $options) = @_;
# Preprocess with ep and then render
$$output = $self->_pod_to_html($$output)
if $r->handler->{$preprocess}->($r, $c, $output, $options);
}
);
# Add "pod_to_html" helper
$app->renderer->add_helper(pod_to_html =>
sub { shift; Mojo::ByteStream->new($self->_pod_to_html(@_)) });
}
sub _pod_to_html {
my ($self, $pod) = @_;
# Shortcut
return unless defined $pod;
# Block
$pod = $pod->() if ref $pod eq 'CODE';
# Parser
my $parser = Pod::Simple::HTML->new;
$parser->force_title('');
$parser->html_header_before_title('');
$parser->html_header_after_title('');
$parser->html_footer('');
# Parse
my $output;
$parser->output_string(\$output);
eval { $parser->parse_string_document("=pod\n\n$pod") };
return $@ if $@;
# Filter
$output =~ s/<a name='___top' class='dummyTopAnchor'\s*><\/a>\n//g;
$output =~ s/<a class='u'.*name=".*"\s*>(.*)<\/a>/$1/sg;
return $output;
}
1;
__END__
=head1 NAME
Mojolicious::Plugin::PodRenderer - POD Renderer Plugin
=head1 SYNOPSIS
# Mojolicious
$self->plugin('pod_renderer');
$self->plugin(pod_renderer => {name => 'foo'});
$self->plugin(pod_renderer => {preprocess => 'epl'});
$self->render('some_template', handler => 'pod');
<%= pod_to_html "=head1 TEST\n\nC<123>" %>
# Mojolicious::Lite
plugin 'pod_renderer';
plugin pod_renderer => {name => 'foo'};
plugin pod_renderer => {preprocess => 'epl'};
$self->render('some_template', handler => 'pod');
<%= pod_to_html "=head1 TEST\n\nC<123>" %>
=head1 DESCRIPTION
L<Mojolicous::Plugin::PodRenderer> is a renderer for true Perl hackers, rawr!
=head1 OPTIONS
=head2 C<name>
# Mojolicious::Lite
plugin pod_renderer => {name => 'foo'};
=head2 C<preprocess>
# Mojolicious::Lite
plugin pod_renderer => {preprocess => 'epl'};
=head2 HELPERS
=head2 HELPERS
=over 4
=item pod_to_html
<%= pod_to_html '=head2 lalala' %>
<%= pod_to_html {%>=head2 lalala<%}%>
Render POD to HTML.
=back
=head1 METHODS
L<Mojolicious::Plugin::PodRenderer> inherits all methods from
L<Mojolicious::Plugin> and implements the following new ones.
=head2 C<register>
$plugin->register;
Register renderer in L<Mojolicious> application.
=head1 SEE ALSO
L<Mojolicious>, L<Mojolicious::Guides>, L<http://mojolicious.org>.
=cut
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