210 lines (182 sloc) 5.94 KB
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Translation;
/**
* Returns the plural rules for a given locale.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class PluralizationRules
{
private static $rules = array();
/**
* Returns the plural position to use for the given locale and number.
*
* @param int $number The number
* @param string $locale The locale
*
* @return int The plural position
*/
public static function get($number, $locale)
{
if ('pt_BR' === $locale) {
// temporary set a locale for brazilian
$locale = 'xbr';
}
if (strlen($locale) > 3) {
$locale = substr($locale, 0, -strlen(strrchr($locale, '_')));
}
if (isset(self::$rules[$locale])) {
$return = call_user_func(self::$rules[$locale], $number);
if (!is_int($return) || $return < 0) {
return 0;
}
return $return;
}
/*
* The plural rules are derived from code of the Zend Framework (2010-09-25),
* which is subject to the new BSD license (http://framework.zend.com/license/new-bsd).
* Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
*/
switch ($locale) {
case 'az':
case 'bo':
case 'dz':
case 'id':
case 'ja':
case 'jv':
case 'ka':
case 'km':
case 'kn':
case 'ko':
case 'ms':
case 'th':
case 'tr':
case 'vi':
case 'zh':
return 0;
break;
case 'af':
case 'bn':
case 'bg':
case 'ca':
case 'da':
case 'de':
case 'el':
case 'en':
case 'eo':
case 'es':
case 'et':
case 'eu':
case 'fa':
case 'fi':
case 'fo':
case 'fur':
case 'fy':
case 'gl':
case 'gu':
case 'ha':
case 'he':
case 'hu':
case 'is':
case 'it':
case 'ku':
case 'lb':
case 'ml':
case 'mn':
case 'mr':
case 'nah':
case 'nb':
case 'ne':
case 'nl':
case 'nn':
case 'no':
case 'om':
case 'or':
case 'pa':
case 'pap':
case 'ps':
case 'pt':
case 'so':
case 'sq':
case 'sv':
case 'sw':
case 'ta':
case 'te':
case 'tk':
case 'ur':
case 'zu':
return ($number == 1) ? 0 : 1;
case 'am':
case 'bh':
case 'fil':
case 'fr':
case 'gun':
case 'hi':
case 'hy':
case 'ln':
case 'mg':
case 'nso':
case 'xbr':
case 'ti':
case 'wa':
return (($number == 0) || ($number == 1)) ? 0 : 1;
case 'be':
case 'bs':
case 'hr':
case 'ru':
case 'sr':
case 'uk':
return (($number % 10 == 1) && ($number % 100 != 11)) ? 0 : ((($number % 10 >= 2) && ($number % 10 <= 4) && (($number % 100 < 10) || ($number % 100 >= 20))) ? 1 : 2);
case 'cs':
case 'sk':
return ($number == 1) ? 0 : ((($number >= 2) && ($number <= 4)) ? 1 : 2);
case 'ga':
return ($number == 1) ? 0 : (($number == 2) ? 1 : 2);
case 'lt':
return (($number % 10 == 1) && ($number % 100 != 11)) ? 0 : ((($number % 10 >= 2) && (($number % 100 < 10) || ($number % 100 >= 20))) ? 1 : 2);
case 'sl':
return ($number % 100 == 1) ? 0 : (($number % 100 == 2) ? 1 : ((($number % 100 == 3) || ($number % 100 == 4)) ? 2 : 3));
case 'mk':
return ($number % 10 == 1) ? 0 : 1;
case 'mt':
return ($number == 1) ? 0 : ((($number == 0) || (($number % 100 > 1) && ($number % 100 < 11))) ? 1 : ((($number % 100 > 10) && ($number % 100 < 20)) ? 2 : 3));
case 'lv':
return ($number == 0) ? 0 : ((($number % 10 == 1) && ($number % 100 != 11)) ? 1 : 2);
case 'pl':
return ($number == 1) ? 0 : ((($number % 10 >= 2) && ($number % 10 <= 4) && (($number % 100 < 12) || ($number % 100 > 14))) ? 1 : 2);
case 'cy':
return ($number == 1) ? 0 : (($number == 2) ? 1 : ((($number == 8) || ($number == 11)) ? 2 : 3));
case 'ro':
return ($number == 1) ? 0 : ((($number == 0) || (($number % 100 > 0) && ($number % 100 < 20))) ? 1 : 2);
case 'ar':
return ($number == 0) ? 0 : (($number == 1) ? 1 : (($number == 2) ? 2 : ((($number % 100 >= 3) && ($number % 100 <= 10)) ? 3 : ((($number % 100 >= 11) && ($number % 100 <= 99)) ? 4 : 5))));
default:
return 0;
}
}
/**
* Overrides the default plural rule for a given locale.
*
* @param callable $rule A PHP callable
* @param string $locale The locale
*/
public static function set(callable $rule, $locale)
{
if ('pt_BR' === $locale) {
// temporary set a locale for brazilian
$locale = 'xbr';
}
if (strlen($locale) > 3) {
$locale = substr($locale, 0, -strlen(strrchr($locale, '_')));
}
self::$rules[$locale] = $rule;
}
}