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