<?php

/**

 * Zend Framework

 *

 * LICENSE

 *

 * This source file is subject to the new BSD license that is bundled

 * with this package in the file LICENSE.txt.

 * It is also available through the world-wide-web at this URL:

 * http://framework.zend.com/license/new-bsd

 * If you did not receive a copy of the license and are unable to

 * obtain it through the world-wide-web, please send an email

 * to license@zend.com so we can send you a copy immediately.

 *

 * @category   Zend

 * @package    Zend_Locale

 * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 * @version    $Id$

 */

/**

 * Utility class for returning the plural rules according to the given locale

 *

 * @category   Zend

 * @package    Zend_Locale

 * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

class Zend_Translate_Plural

{

    /**

     * Manual rule to use

     *

     * @var string

     */

    protected static $_plural = array();

    /**

     * Returns the plural definition to use

     *

     * @param  integer $number Number for plural selection

     * @param  string  $locale Locale to use

     * @return integer Plural number to use

     */

    public static function getPlural($number, $locale)

    {

        if ($locale == "pt_BR") {

            // temporary set a locale for brasilian

            $locale = "xbr";

        }

        if (strlen($locale) > 3) {

            $locale = substr($locale, 0, -strlen(strrchr($locale, '_')));

        }

        if (isset(self::$_plural[$locale])) {

            $return = call_user_func(self::$_plural[$locale], $number);

            if (!is_int($return) || ($return < 0)) {

                $return = 0;

            }

            return $return;

        }

        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;

        }

    }

    /**

     * Set's a new plural rule

     *

     * @param string $rule   Callback which acts as rule

     * @param string $locale Locale which is used for this callback

     * @return null

     */

    public static function setPlural($rule, $locale)

    {

        if ($locale == "pt_BR") {

            // temporary set a locale for brasilian

            $locale = "xbr";

        }

        if (strlen($locale) > 3) {

            $locale = substr($locale, 0, -strlen(strrchr($locale, '_')));

        }

        if (!is_callable($rule)) {

            require_once 'Zend/Translate/Exception.php';

            throw new Zend_Translate_Exception('The given rule can not be called');

        }

        self::$_plural[$locale] = $rule;

    }

}