File Coverage

blib/lib/Lingua/Han/Cantonese.pm

Criterion	Covered	Total	%
statement	39	39	100.0
branch	6	10	60.0
condition			n/a
subroutine	7	7	100.0
pod	0	2	0.0
total	52	58	89.6

package Lingua::Han::Cantonese;

use warnings;
use strict;
use vars qw($VERSION);
$VERSION = '0.12';

use File::Spec;
use Lingua::Han::Utils qw/Unihan_value/;

sub new {
	my $class = shift;
	my $dir = __FILE__; $dir =~ s/\.pm//o;
	-d $dir or die "Directory $dir nonexistent!";
	my $self = { @_ };
	my %ct;
	my $file = File::Spec->catfile($dir, 'Cantonese.dat');
	open(FH, $file)	or die "$file: $!";
	while() {
		my ($uni, $ct) = split(/\s+/);
		$ct{$uni} = $ct;
	}
	close(FH);
	$self->{'ct'} = \%ct;
	return bless $self => $class;
}

sub han2Cantonese {
	my ($self, $hanzi) = @_;

	my @code = Unihan_value($hanzi);

	my @result;
	foreach my $code (@code) {
		my $value = $self->{'ct'}->{$code};
		if (defined $value) {
			$value =~ s/\d//isg unless ($self->{'tone'});
		} else {
			# if it's not a Chinese, return original word
			$value = pack("U*", hex $code);
		}
		push @result, lc $value;
	}

	return wantarray ? @result : join('', @result);

}

1;
__END__