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package Mojolicious::Plugin::EPLRenderer;
use Mojo::Base 'Mojolicious::Plugin';
use Mojo::Template;
use Mojo::Util qw(encode md5_sum);
sub register { $_[1]->renderer->add_handler(epl => \&_epl) }
sub _epl {
my ($renderer, $c, $output, $options) = @_;
# Cached
my $mt = delete $options->{'mojo.template'} || Mojo::Template->new;
my $log = $c->app->log;
if ($mt->compiled) {
$log->debug("Rendering cached @{[$mt->name]}.");
$$output = $mt->interpret($c);
}
# Not cached
else {
my $inline = $options->{inline};
my $name = defined $inline ? md5_sum encode('UTF-8', $inline) : undef;
return undef unless defined($name //= $renderer->template_name($options));
# Inline
if (defined $inline) {
$log->debug(qq{Rendering inline template "$name".});
$$output = $mt->name(qq{inline template "$name"})->render($inline, $c);
}
# File
else {
if (my $encoding = $renderer->encoding) { $mt->encoding($encoding) }
# Try template
if (defined(my $path = $renderer->template_path($options))) {
$log->debug(qq{Rendering template "$name".});
$$output = $mt->name(qq{template "$name"})->render_file($path, $c);
}
# Try DATA section
elsif (my $d = $renderer->get_data_template($options)) {
$log->debug(qq{Rendering template "$name" from DATA section.});
$$output
= $mt->name(qq{template "$name" from DATA section})->render($d, $c);
}
# No template
else { $log->debug(qq{Template "$name" not found.}) and return undef }
}
}
# Exception or success
return ref $$output ? die $$output : 1;
}
1;
=encoding utf8
=head1 NAME
Mojolicious::Plugin::EPLRenderer - Embedded Perl Lite renderer plugin
=head1 SYNOPSIS
# Mojolicious
$self->plugin('EPLRenderer');
# Mojolicious::Lite
plugin 'EPLRenderer';
=head1 DESCRIPTION
L<Mojolicious::Plugin::EPLRenderer> is a renderer for C<epl> templates, which
are pretty much just raw L<Mojo::Template>.
This is a core plugin, that means it is always enabled and its code a good
example for learning to build new plugins, you're welcome to fork it.
See L<Mojolicious::Plugins/"PLUGINS"> for a list of plugins that are available
by default.
=head1 METHODS
L<Mojolicious::Plugin::EPLRenderer> inherits all methods from
L<Mojolicious::Plugin> and implements the following new ones.
=head2 register
$plugin->register(Mojolicious->new);
Register renderer in L<Mojolicious> application.
=head1 SEE ALSO
L<Mojolicious>, L<Mojolicious::Guides>, L<http://mojolicio.us>.
=cut
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