--- /dev/null
+<?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 $locale The locale
+ *
+ * @throws \LogicException
+ */
+ public static function set($rule, $locale)
+ {
+ if ('pt_BR' === $locale) {
+ // temporary set a locale for brazilian
+ $locale = 'xbr';
+ }
+
+ if (strlen($locale) > 3) {
+ $locale = substr($locale, 0, -strlen(strrchr($locale, '_')));
+ }
+
+ if (!is_callable($rule)) {
+ throw new \LogicException('The given rule can not be called');
+ }
+
+ self::$rules[$locale] = $rule;
+ }
+}