zeroclickinfo-goodies/lib/DDG/Goodie/Braille.pm

package DDG::Goodie::Braille;
# ABSTRACT: Braille <-> ASCII/Unicode

use strict;
use DDG::Goodie;

use Convert::Braille;
use utf8;

triggers query_raw => qr/\p{Braille}|( in| to){1} braille$|^braille:/i;

zci is_cached => 1;

my $braille_space = '⠀';    # the braille unicode space (U+2800)

handle query_raw => sub {

    my $query = $_;
    $query =~ s/( in| to){1} braille$|^braille:\s?//;
    return unless $query;

    my $response;
    my $type;

    if ($query =~ /\p{Braille}/) {
        $response = join(" ", map { lc(brailleDotsToAscii($_)) } split(/$braille_space/, $query));
        $type = "Ascii/Unicode";
    } else {
        $response = join($braille_space, map { brailleAsciiToUnicode(uc $_) } split(/\s/, $query));
        $type = "Braille";
    }

    return $response,
      structured_answer => {
          data => {
              title    => $response,
              subtitle => 'Braille translation: ' . html_enc($query),
          },
          templates => {
              group => 'text',
          },
      };
};

1;