#!/usr/bin/perl -w
use strict;
use Text::Wrap;
use Convert::GeekCode;
binmode STDOUT, ':utf8' if $] >= 5.008;

my $VERSION = '0.6';

=head1 NAME

geekdec - Geek Code decoder

=head1 SYNOPSIS

B<geekdec> [I<code>|I<version>|I<lang>...] < F<file>

=head1 DESCRIPRTION

This script parses Geek Code sequences read from the stanard
input, and prints out explanations.

=cut

if (@ARGV and $ARGV[0] eq '-h') {
    print "Usage: $0 [code|version|lang] << file\n";
    exit;
}

my ($code, $ver, $lang) = ('geekcode', 3.12, 'en_us');

foreach (@ARGV) {
    if (/^[\d\.]+$/) {
        $ver = $_;
    }
    elsif (/^(\w\w)[\-_](\w\w)$/) {
        $lang = lc "$1_$2"; # converts en-us to en_us
    }
    elsif ($_) {
        $code = $_;
    }
}

my @out = geek_decode(join('', <STDIN>), $code, $ver, $lang);

while (my ($key, $val) = splice(@out, 0, 2)) {
    print "[$key]\n$val\n\n";
}

__END__

=head1 SEE ALSO

L<Convert::GeekCode>, L<geekgen>

=head1 AUTHORS

唐鳳 E<lt>cpan@audreyt.orgE<gt>

=head1 CC0 1.0 Universal

To the extent possible under law, 唐鳳 has waived all copyright and related
or neighboring rights to Module-Signature.

This work is published from Taiwan.

L<http://creativecommons.org/publicdomain/zero/1.0>

=cut