Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\Translation;
Chris@0: 
Chris@0: /**
Chris@0:  * Returns the plural rules for a given locale.
Chris@0:  *
Chris@0:  * @author Fabien Potencier <fabien@symfony.com>
Chris@0:  */
Chris@0: class PluralizationRules
Chris@0: {
Chris@17:     private static $rules = [];
Chris@0: 
Chris@0:     /**
Chris@0:      * Returns the plural position to use for the given locale and number.
Chris@0:      *
Chris@0:      * @param int    $number The number
Chris@0:      * @param string $locale The locale
Chris@0:      *
Chris@0:      * @return int The plural position
Chris@0:      */
Chris@0:     public static function get($number, $locale)
Chris@0:     {
Chris@0:         if ('pt_BR' === $locale) {
Chris@0:             // temporary set a locale for brazilian
Chris@0:             $locale = 'xbr';
Chris@0:         }
Chris@0: 
Chris@17:         if (\strlen($locale) > 3) {
Chris@17:             $locale = substr($locale, 0, -\strlen(strrchr($locale, '_')));
Chris@0:         }
Chris@0: 
Chris@0:         if (isset(self::$rules[$locale])) {
Chris@17:             $return = \call_user_func(self::$rules[$locale], $number);
Chris@0: 
Chris@17:             if (!\is_int($return) || $return < 0) {
Chris@0:                 return 0;
Chris@0:             }
Chris@0: 
Chris@0:             return $return;
Chris@0:         }
Chris@0: 
Chris@0:         /*
Chris@0:          * The plural rules are derived from code of the Zend Framework (2010-09-25),
Chris@0:          * which is subject to the new BSD license (http://framework.zend.com/license/new-bsd).
Chris@0:          * Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
Chris@0:          */
Chris@0:         switch ($locale) {
Chris@0:             case 'az':
Chris@0:             case 'bo':
Chris@0:             case 'dz':
Chris@0:             case 'id':
Chris@0:             case 'ja':
Chris@0:             case 'jv':
Chris@0:             case 'ka':
Chris@0:             case 'km':
Chris@0:             case 'kn':
Chris@0:             case 'ko':
Chris@0:             case 'ms':
Chris@0:             case 'th':
Chris@0:             case 'tr':
Chris@0:             case 'vi':
Chris@0:             case 'zh':
Chris@0:                 return 0;
Chris@0: 
Chris@0:             case 'af':
Chris@0:             case 'bn':
Chris@0:             case 'bg':
Chris@0:             case 'ca':
Chris@0:             case 'da':
Chris@0:             case 'de':
Chris@0:             case 'el':
Chris@0:             case 'en':
Chris@0:             case 'eo':
Chris@0:             case 'es':
Chris@0:             case 'et':
Chris@0:             case 'eu':
Chris@0:             case 'fa':
Chris@0:             case 'fi':
Chris@0:             case 'fo':
Chris@0:             case 'fur':
Chris@0:             case 'fy':
Chris@0:             case 'gl':
Chris@0:             case 'gu':
Chris@0:             case 'ha':
Chris@0:             case 'he':
Chris@0:             case 'hu':
Chris@0:             case 'is':
Chris@0:             case 'it':
Chris@0:             case 'ku':
Chris@0:             case 'lb':
Chris@0:             case 'ml':
Chris@0:             case 'mn':
Chris@0:             case 'mr':
Chris@0:             case 'nah':
Chris@0:             case 'nb':
Chris@0:             case 'ne':
Chris@0:             case 'nl':
Chris@0:             case 'nn':
Chris@0:             case 'no':
Chris@16:             case 'oc':
Chris@0:             case 'om':
Chris@0:             case 'or':
Chris@0:             case 'pa':
Chris@0:             case 'pap':
Chris@0:             case 'ps':
Chris@0:             case 'pt':
Chris@0:             case 'so':
Chris@0:             case 'sq':
Chris@0:             case 'sv':
Chris@0:             case 'sw':
Chris@0:             case 'ta':
Chris@0:             case 'te':
Chris@0:             case 'tk':
Chris@0:             case 'ur':
Chris@0:             case 'zu':
Chris@14:                 return (1 == $number) ? 0 : 1;
Chris@0: 
Chris@0:             case 'am':
Chris@0:             case 'bh':
Chris@0:             case 'fil':
Chris@0:             case 'fr':
Chris@0:             case 'gun':
Chris@0:             case 'hi':
Chris@0:             case 'hy':
Chris@0:             case 'ln':
Chris@0:             case 'mg':
Chris@0:             case 'nso':
Chris@0:             case 'xbr':
Chris@0:             case 'ti':
Chris@0:             case 'wa':
Chris@14:                 return ((0 == $number) || (1 == $number)) ? 0 : 1;
Chris@0: 
Chris@0:             case 'be':
Chris@0:             case 'bs':
Chris@0:             case 'hr':
Chris@0:             case 'ru':
Chris@17:             case 'sh':
Chris@0:             case 'sr':
Chris@0:             case 'uk':
Chris@14:                 return ((1 == $number % 10) && (11 != $number % 100)) ? 0 : ((($number % 10 >= 2) && ($number % 10 <= 4) && (($number % 100 < 10) || ($number % 100 >= 20))) ? 1 : 2);
Chris@0: 
Chris@0:             case 'cs':
Chris@0:             case 'sk':
Chris@14:                 return (1 == $number) ? 0 : ((($number >= 2) && ($number <= 4)) ? 1 : 2);
Chris@0: 
Chris@0:             case 'ga':
Chris@14:                 return (1 == $number) ? 0 : ((2 == $number) ? 1 : 2);
Chris@0: 
Chris@0:             case 'lt':
Chris@14:                 return ((1 == $number % 10) && (11 != $number % 100)) ? 0 : ((($number % 10 >= 2) && (($number % 100 < 10) || ($number % 100 >= 20))) ? 1 : 2);
Chris@0: 
Chris@0:             case 'sl':
Chris@14:                 return (1 == $number % 100) ? 0 : ((2 == $number % 100) ? 1 : (((3 == $number % 100) || (4 == $number % 100)) ? 2 : 3));
Chris@0: 
Chris@0:             case 'mk':
Chris@14:                 return (1 == $number % 10) ? 0 : 1;
Chris@0: 
Chris@0:             case 'mt':
Chris@14:                 return (1 == $number) ? 0 : (((0 == $number) || (($number % 100 > 1) && ($number % 100 < 11))) ? 1 : ((($number % 100 > 10) && ($number % 100 < 20)) ? 2 : 3));
Chris@0: 
Chris@0:             case 'lv':
Chris@14:                 return (0 == $number) ? 0 : (((1 == $number % 10) && (11 != $number % 100)) ? 1 : 2);
Chris@0: 
Chris@0:             case 'pl':
Chris@14:                 return (1 == $number) ? 0 : ((($number % 10 >= 2) && ($number % 10 <= 4) && (($number % 100 < 12) || ($number % 100 > 14))) ? 1 : 2);
Chris@0: 
Chris@0:             case 'cy':
Chris@14:                 return (1 == $number) ? 0 : ((2 == $number) ? 1 : (((8 == $number) || (11 == $number)) ? 2 : 3));
Chris@0: 
Chris@0:             case 'ro':
Chris@14:                 return (1 == $number) ? 0 : (((0 == $number) || (($number % 100 > 0) && ($number % 100 < 20))) ? 1 : 2);
Chris@0: 
Chris@0:             case 'ar':
Chris@14:                 return (0 == $number) ? 0 : ((1 == $number) ? 1 : ((2 == $number) ? 2 : ((($number % 100 >= 3) && ($number % 100 <= 10)) ? 3 : ((($number % 100 >= 11) && ($number % 100 <= 99)) ? 4 : 5))));
Chris@0: 
Chris@0:             default:
Chris@0:                 return 0;
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Overrides the default plural rule for a given locale.
Chris@0:      *
Chris@0:      * @param callable $rule   A PHP callable
Chris@0:      * @param string   $locale The locale
Chris@0:      */
Chris@0:     public static function set(callable $rule, $locale)
Chris@0:     {
Chris@0:         if ('pt_BR' === $locale) {
Chris@0:             // temporary set a locale for brazilian
Chris@0:             $locale = 'xbr';
Chris@0:         }
Chris@0: 
Chris@17:         if (\strlen($locale) > 3) {
Chris@17:             $locale = substr($locale, 0, -\strlen(strrchr($locale, '_')));
Chris@0:         }
Chris@0: 
Chris@0:         self::$rules[$locale] = $rule;
Chris@0:     }
Chris@0: }