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package MojoMojo::Formatter::GoogleSearch;
use strict;
use warnings;
use parent qw/MojoMojo::Formatter/;
=head1 NAME
MojoMojo::Formatter::GoogleSearch - Linked Google Search Engine by writing {{google:<search kind> <keyword>}}
=cut
my $CONF = {
web => {
base => 'http://www.google.com/search',
},
image => {
base => 'http://www.google.com/images',
},
movie => {
base => 'http://www.google.com/search',
param => {
tbs => 'vid:1',
},
},
};
=head1 DESCRIPTION
Normally, to hyperlink to a Search Engine, you'd write:
[google SearchWord](http://www.google.com/search?q=SearchWord)
This plugin lets you write just
{{google SearchWord}}
not just Search Web, you can search images and movies
{{google:image SearchWord}}
{{google:movie SearchWord}}
=head1 METHODS
=head2 format_content_order
The SearchEngine formatter has no special requirements
in terms of the order it gets run in, so it has a priority of 16.
=cut
sub format_content_order { 16 }
=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 ) = @_;
return unless $class->module_loaded;
my @lines = split /\n/, $$content;
$$content = '';
my $re = $class->gen_re( qr/google:?([^\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) = @_;
my $google_search = $c->loc('Google Search Link');
$line =~ m/$re/;
my $kind = $1 || 'web';
my $keyword = $2;
unless ($CONF->{$kind}->{base}) {
$line =~ s/$re/"$google_search: ". $c->loc('invalid Kind of Search')/e;
return $line;
}
my %param;
$param{q} = $keyword;
if ($CONF->{$kind}->{param}) {
for my $key (keys %{ $CONF->{$kind}->{param} }) {
$param{$key} = $CONF->{$kind}->{param}->{$key};
}
}
my $uri = URI->new($CONF->{$kind}->{base});
$uri->query_form( %param );
$line =~ s!$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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