File Coverage

blib/lib/Encode/HanDetect.pm

Criterion	Covered	Total	%
statement	30	35	85.7
branch	8	12	66.6
condition	3	5	60.0
subroutine	7	9	77.7
pod	3	3	100.0
total	51	64	79.6

# $File: //member/autrijus/Encode-HanDetect/HanDetect.pm $ $Author: autrijus $
# $Revision: #1 $ $Change: 4051 $ $DateTime: 2003/01/30 22:34:14 $

use 5.008;
package Encode::HanDetect;
$Encode::HanDetect::VERSION = '0.01';

use strict;
use base qw(Encode::Encoding);
use Encode qw(find_encoding);
use Lingua::ZH::HanDetect qw(han_detect);

__PACKAGE__->Define('HanDetect');

sub needs_lines { 1 }
sub perlio_ok { 0 }

my $Variant = '';

sub import {
    my $class = shift;
    if ($_[0]) {
	die "Unknown variant: $_[0]" unless $_[0] =~ /^[st]/i;
	$Variant = lc(substr($_[0], 0, 1));
    }
}

sub decode($$;$){
    my ($obj, $octet, $chk) = @_;
    my ($encoding, $variant) = han_detect($octet);
    my $guessed = find_encoding($encoding);

    unless (ref($guessed)){
	require Encode::Guess;
	$guessed = find_encoding('Guess');
    }

    my $utf8 = $guessed->decode($octet, $chk || 0);
    if ($Variant and substr($variant, 0, 1) ne $Variant) {
	require Encode::HanConvert;
	if ($Variant eq 's') {
	    $utf8 = Encode::HanConvert::trad_to_simp($utf8);
	}
	else {
	    $utf8 = Encode::HanConvert::simp_to_trad($utf8);
	}
    }
    $_[1] = $octet if $chk;
    return $utf8;
}

1;

__END__