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104 lines
3.4 KiB
104 lines
3.4 KiB
12 years ago
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<?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|within)\s+(\d+)\.\.(\d+)/i' => '($1<$2||$1>$3)', //not in, not within
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'/^(.*?)\s+within\s+(\d+)\.\.(\d+)/i' => '($1>=$2&&$1<=$3)', //within
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'/^(.*?)\s+in\s+(\d+)\.\.(\d+)/i' => '($1>=$2&&$1<=$3&&fmod($1,1)==0)', //in
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);
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foreach ($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('&&', $expr_and);
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}
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$rules[] = preg_replace('/\\bn\\b/', '$n', implode('||', $expr_or));
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}
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foreach ($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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