<?php /** * @link http://www.yiiframework.com/ * @copyright Copyright (c) 2008 Yii Software LLC * @license http://www.yiiframework.com/license/ */ namespace yii\build\controllers; use yii\console\Exception; use yii\console\Controller; /** * http://www.unicode.org/cldr/charts/supplemental/language_plural_rules.html * @author Qiang Xue <qiang.xue@gmail.com> * @since 2.0 */ class LocaleController extends Controller { public $defaultAction = 'plural'; /** * Generates the plural rules data. * * This command will parse the plural rule XML file from CLDR and convert them * into appropriate PHP representation to support Yii message translation feature. * @param string $xmlFile the original plural rule XML file (from CLDR). This file may be found in * http://www.unicode.org/Public/cldr/latest/core.zip * Extract the zip file and locate the file "common/supplemental/plurals.xml". * @throws Exception */ public function actionPlural($xmlFile) { if (!is_file($xmlFile)) { throw new Exception("The source plural rule file does not exist: $xmlFile"); } $xml = simplexml_load_file($xmlFile); $allRules = array(); $patterns = array( '/n in 0..1/' => '(n==0||n==1)', '/\s+is\s+not\s+/i' => '!=', //is not '/\s+is\s+/i' => '==', //is '/n\s+mod\s+(\d+)/i' => 'fmod(n,$1)', //mod (CLDR's "mod" is "fmod()", not "%") '/^(.*?)\s+not\s+in\s+(\d+)\.\.(\d+)/i' => '!in_array($1,range($2,$3))', //not in '/^(.*?)\s+in\s+(\d+)\.\.(\d+)/i' => 'in_array($1,range($2,$3))', //in '/^(.*?)\s+not\s+within\s+(\d+)\.\.(\d+)/i' => '($1<$2||$1>$3)', //not within '/^(.*?)\s+within\s+(\d+)\.\.(\d+)/i' => '($1>=$2&&$1<=$3)', //within ); foreach ($xml->plurals->pluralRules as $node) { $attributes = $node->attributes(); $locales = explode(' ', $attributes['locales']); $rules = array(); if (!empty($node->pluralRule)) { foreach ($node->pluralRule as $rule) { $expr_or = preg_split('/\s+or\s+/i', $rule); foreach ($expr_or as $key_or => $val_or) { $expr_and = preg_split('/\s+and\s+/i', $val_or); $expr_and = preg_replace(array_keys($patterns), array_values($patterns), $expr_and); $expr_or[$key_or] = implode('&&', $expr_and); } $expr = preg_replace('/\\bn\\b/', '$n', implode('||', $expr_or)); $rules[] = preg_replace_callback('/range\((\d+),(\d+)\)/', function ($matches) { if ($matches[2] - $matches[1] <= 5) { return 'array(' . implode(',', range($matches[1], $matches[2])) . ')'; } else { return $matches[0]; } }, $expr); } foreach ($locales as $locale) { $allRules[$locale] = $rules; } } } // hard fix for "br": the rule is too complex $allRules['br'] = array( 0 => 'fmod($n,10)==1&&!in_array(fmod($n,100),array(11,71,91))', 1 => 'fmod($n,10)==2&&!in_array(fmod($n,100),array(12,72,92))', 2 => 'in_array(fmod($n,10),array(3,4,9))&&!in_array(fmod($n,100),array_merge(range(10,19),range(70,79),range(90,99)))', 3 => 'fmod($n,1000000)==0&&$n!=0', ); if (preg_match('/\d+/', $xml->version['number'], $matches)) { $revision = $matches[0]; } else { $revision = -1; } echo "<?php\n"; echo <<<EOD /** * Plural rules. * * This file is automatically generated by the "yii locale/plural" command under the "build" folder. * Do not modify it directly. * * The original plural rule data used for generating this file has the following copyright terms: * * Copyright © 1991-2007 Unicode, Inc. All rights reserved. * Distributed under the Terms of Use in http://www.unicode.org/copyright.html. * * @revision $revision (of the original plural file) * @link http://www.yiiframework.com/ * @copyright Copyright (c) 2008 Yii Software LLC * @license http://www.yiiframework.com/license/ */ EOD; echo "\nreturn " . var_export($allRules, true) . ';'; } }