<?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

{

    // @codeCoverageIgnoreStart

    static private $rules = array();

    /**

     * Returns the plural position to use for the given locale and number.

     *

     * @param  integer $number The number

     * @param  string  $locale The locale

     *

     * @return integer The plural position

     */

    static public 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 '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 'az':

            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 '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 >= 3) && ($number <= 10)) ? 3 : ((($number >= 11) && ($number <= 99)) ? 4 : 5))));

            default:

                return 0;

        }

    }

    /**

     * Overrides the default plural rule for a given locale.

     *

     * @param string $rule   A PHP callable

     * @param string $locale The locale

     *

     * @return null

     */

    static public 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;

    }

    // @codeCoverageIgnoreEnd

}