vendor/symfony/translation/Symfony/Component/Translation/PluralizationRules.php

   1 <?php
   2
   3 /*
   4  * This file is part of the Symfony package.
   5  *
   6  * (c) Fabien Potencier <fabien@symfony.com>
   7  *
   8  * For the full copyright and license information, please view the LICENSE
   9  * file that was distributed with this source code.
  10  */
  11
  12 namespace Symfony\Component\Translation;
  13
  14 /**
  15  * Returns the plural rules for a given locale.
  16  *
  17  * @author Fabien Potencier <fabien@symfony.com>
  18  */
  19 class PluralizationRules
  20 {
  21     // @codeCoverageIgnoreStart
  22     private static $rules = array();
  23
  24     /**
  25      * Returns the plural position to use for the given locale and number.
  26      *
  27      * @param integer $number The number
  28      * @param string  $locale The locale
  29      *
  30      * @return integer The plural position
  31      */
  32     public static function get($number, $locale)
  33     {
  34         if ("pt_BR" == $locale) {
  35             // temporary set a locale for brazilian
  36             $locale = "xbr";
  37         }
  38
  39         if (strlen($locale) > 3) {
  40             $locale = substr($locale, 0, -strlen(strrchr($locale, '_')));
  41         }
  42
  43         if (isset(self::$rules[$locale])) {
  44             $return = call_user_func(self::$rules[$locale], $number);
  45
  46             if (!is_int($return) || $return < 0) {
  47                 return 0;
  48             }
  49
  50             return $return;
  51         }
  52
  53         /*
  54          * The plural rules are derived from code of the Zend Framework (2010-09-25),
  55          * which is subject to the new BSD license (http://framework.zend.com/license/new-bsd).
  56          * Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  57          */
  58         switch ($locale) {
  59             case 'bo':
  60             case 'dz':
  61             case 'id':
  62             case 'ja':
  63             case 'jv':
  64             case 'ka':
  65             case 'km':
  66             case 'kn':
  67             case 'ko':
  68             case 'ms':
  69             case 'th':
  70             case 'tr':
  71             case 'vi':
  72             case 'zh':
  73                 return 0;
  74                 break;
  75
  76             case 'af':
  77             case 'az':
  78             case 'bn':
  79             case 'bg':
  80             case 'ca':
  81             case 'da':
  82             case 'de':
  83             case 'el':
  84             case 'en':
  85             case 'eo':
  86             case 'es':
  87             case 'et':
  88             case 'eu':
  89             case 'fa':
  90             case 'fi':
  91             case 'fo':
  92             case 'fur':
  93             case 'fy':
  94             case 'gl':
  95             case 'gu':
  96             case 'ha':
  97             case 'he':
  98             case 'hu':
  99             case 'is':
 100             case 'it':
 101             case 'ku':
 102             case 'lb':
 103             case 'ml':
 104             case 'mn':
 105             case 'mr':
 106             case 'nah':
 107             case 'nb':
 108             case 'ne':
 109             case 'nl':
 110             case 'nn':
 111             case 'no':
 112             case 'om':
 113             case 'or':
 114             case 'pa':
 115             case 'pap':
 116             case 'ps':
 117             case 'pt':
 118             case 'so':
 119             case 'sq':
 120             case 'sv':
 121             case 'sw':
 122             case 'ta':
 123             case 'te':
 124             case 'tk':
 125             case 'ur':
 126             case 'zu':
 127                 return ($number == 1) ? 0 : 1;
 128
 129             case 'am':
 130             case 'bh':
 131             case 'fil':
 132             case 'fr':
 133             case 'gun':
 134             case 'hi':
 135             case 'ln':
 136             case 'mg':
 137             case 'nso':
 138             case 'xbr':
 139             case 'ti':
 140             case 'wa':
 141                 return (($number == 0) || ($number == 1)) ? 0 : 1;
 142
 143             case 'be':
 144             case 'bs':
 145             case 'hr':
 146             case 'ru':
 147             case 'sr':
 148             case 'uk':
 149                 return (($number % 10 == 1) && ($number % 100 != 11)) ? 0 : ((($number % 10 >= 2) && ($number % 10 <= 4) && (($number % 100 < 10) || ($number % 100 >= 20))) ? 1 : 2);
 150
 151             case 'cs':
 152             case 'sk':
 153                 return ($number == 1) ? 0 : ((($number >= 2) && ($number <= 4)) ? 1 : 2);
 154
 155             case 'ga':
 156                 return ($number == 1) ? 0 : (($number == 2) ? 1 : 2);
 157
 158             case 'lt':
 159                 return (($number % 10 == 1) && ($number % 100 != 11)) ? 0 : ((($number % 10 >= 2) && (($number % 100 < 10) || ($number % 100 >= 20))) ? 1 : 2);
 160
 161             case 'sl':
 162                 return ($number % 100 == 1) ? 0 : (($number % 100 == 2) ? 1 : ((($number % 100 == 3) || ($number % 100 == 4)) ? 2 : 3));
 163
 164             case 'mk':
 165                 return ($number % 10 == 1) ? 0 : 1;
 166
 167             case 'mt':
 168                 return ($number == 1) ? 0 : ((($number == 0) || (($number % 100 > 1) && ($number % 100 < 11))) ? 1 : ((($number % 100 > 10) && ($number % 100 < 20)) ? 2 : 3));
 169
 170             case 'lv':
 171                 return ($number == 0) ? 0 : ((($number % 10 == 1) && ($number % 100 != 11)) ? 1 : 2);
 172
 173             case 'pl':
 174                 return ($number == 1) ? 0 : ((($number % 10 >= 2) && ($number % 10 <= 4) && (($number % 100 < 12) || ($number % 100 > 14))) ? 1 : 2);
 175
 176             case 'cy':
 177                 return ($number == 1) ? 0 : (($number == 2) ? 1 : ((($number == 8) || ($number == 11)) ? 2 : 3));
 178
 179             case 'ro':
 180                 return ($number == 1) ? 0 : ((($number == 0) || (($number % 100 > 0) && ($number % 100 < 20))) ? 1 : 2);
 181
 182             case 'ar':
 183                 return ($number == 0) ? 0 : (($number == 1) ? 1 : (($number == 2) ? 2 : ((($number >= 3) && ($number <= 10)) ? 3 : ((($number >= 11) && ($number <= 99)) ? 4 : 5))));
 184
 185             default:
 186                 return 0;
 187         }
 188     }
 189
 190     /**
 191      * Overrides the default plural rule for a given locale.
 192      *
 193      * @param string $rule   A PHP callable
 194      * @param string $locale The locale
 195      *
 196      * @return null
 197      *
 198      * @throws \LogicException
 199      */
 200     public static function set($rule, $locale)
 201     {
 202         if ("pt_BR" == $locale) {
 203             // temporary set a locale for brazilian
 204             $locale = "xbr";
 205         }
 206
 207         if (strlen($locale) > 3) {
 208             $locale = substr($locale, 0, -strlen(strrchr($locale, '_')));
 209         }
 210
 211         if (!is_callable($rule)) {
 212             throw new \LogicException('The given rule can not be called');
 213         }
 214
 215         self::$rules[$locale] = $rule;
 216     }
 217
 218     // @codeCoverageIgnoreEnd
 219 }