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package MojoMojo::Formatter::WikipediaLink;
use strict;
use warnings;
use parent qw/MojoMojo::Formatter/;
use utf8;
=encoding utf8
=head1 NAME
MojoMojo::Formatter::WikipediaLink - Linked Wikipedia by writing {{wikipedia:<lang> <word>}}
=head1 DESCRIPTION
Normally, to hyperlink to the Wikipedia, you'd write:
[wikipedia Hello](http://en.wikipedia.org/wiki/Hello)
This plugin lets you write just
{{wikipedia Hello}}
not just Link to Wikipedia in English page, you can use many languages
{{wikipedia:ja こんにちは}}
{{wikipedia:fr Salut}}
Actually, if you wrote this without a language ex.{{wikipedia Foo}},
select location of Wikipedia Link
is getting default-language setting of MojoMojo.
=head1 METHODS
=head2 format_content_order
The WikipediaLink formatter has no special requirements
in terms of the order it gets run in, so it has a priority of 17.
=cut
sub format_content_order { 17 }
=head2 format_content
Calls the formatter. Takes a ref to the content as well as the context object.
=cut
sub format_content {
my ( $class, $content, $c ) = @_;
my @lines = split /\n/, $$content;
$$content = '';
my $re = $class->gen_re( qr/[wW]ikipedia(?::([^\s]+))?\s+(.+)/ );
my $lang = $c->sessionid
? $c->session->{lang} : $c->pref('default_lang') || 'en';
for my $line (@lines) {
if ( $line =~ m/$re/ ) {
$line = $class->process($c, $line, $re, $lang);
}
$$content .= $line . "\n";
}
}
=head2 process
Here the actual formatting is done.
=cut
sub process {
my $class = shift;
my ($c, $line, $re, $lang) = @_;
$line =~ m/$re/;
my $wikipedia_lang = $1 || $c->pref('default_lang') || 'en';
my $keyword = $2;
my $uri = URI->new("http://$wikipedia_lang.wikipedia.org/");
$uri->path("/wiki/$keyword");
$line =~ s!$re!<a href="$uri">$keyword</a>!;
$c->stash->{precompile_off} = 1;
return $line;
}
=head1 SEE ALSO
L<MojoMojo> and L<Module::Pluggable::Ordered>.
=head1 AUTHORS
Dai Okabayashi, L<bayashi at cpan . org>
=head1 LICENSE
This library is free software. You can redistribute it and/or modify
it under the same terms as Perl itself.
=cut
1;
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