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96 lines
No EOL
2.9 KiB
PHP
96 lines
No EOL
2.9 KiB
PHP
<?php
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/**
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* CPhpMessageSource class file.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @link http://www.yiiframework.com/
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* @copyright Copyright © 2008-2009 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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/**
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* CPhpMessageSource represents a message source that stores translated messages in PHP scripts.
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*
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* CPhpMessageSource uses PHP files and arrays to keep message translations.
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* <ul>
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* <li>All translations are saved under the {@link basePath} directory.</li>
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* <li>Translations in one language are kept as PHP files under an individual subdirectory
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* whose name is the same as the language ID. Each PHP file contains messages
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* belonging to the same category, and the file name is the same as the category name.</li>
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* <li>Within a PHP file, an array of (source, translation) pairs is returned.
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* For example:
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* <pre>
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* return array(
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* 'original message 1' => 'translated message 1',
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* 'original message 2' => 'translated message 2',
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* );
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* </pre>
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* </li>
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* </ul>
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* When {@link cachingDuration} is set as a positive number, message translations will be cached.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @version $Id: CPhpMessageSource.php 433 2008-12-30 22:59:17Z qiang.xue $
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* @package system.i18n
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* @since 1.0
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*/
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class CPhpMessageSource extends CMessageSource
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{
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const CACHE_KEY_PREFIX='Yii.CPhpMessageSource.';
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/**
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* @var integer the time in seconds that the messages can remain valid in cache.
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* Defaults to 0, meaning the caching is disabled.
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*/
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public $cachingDuration=0;
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/**
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* @var string the base path for all translated messages. Defaults to null, meaning
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* the "messages" subdirectory of the application directory (e.g. "protected/messages").
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*/
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public $basePath;
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/**
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* Initializes the application component.
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* This method overrides the parent implementation by preprocessing
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* the user request data.
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*/
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public function init()
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{
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parent::init();
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if($this->basePath===null)
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$this->basePath=Yii::getPathOfAlias('application.messages');
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}
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/**
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* Loads the message translation for the specified language and category.
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* @param string the message category
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* @param string the target language
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* @return array the loaded messages
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*/
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protected function loadMessages($category,$language)
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{
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$messageFile=$this->basePath.DIRECTORY_SEPARATOR.$language.DIRECTORY_SEPARATOR.$category.'.php';
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if($this->cachingDuration>0 && ($cache=Yii::app()->getCache())!==null)
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{
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$key=self::CACHE_KEY_PREFIX . $messageFile;
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if(($data=$cache->get($key))!==false)
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return unserialize($data);
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}
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if(is_file($messageFile))
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{
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$messages=include($messageFile);
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if(!is_array($messages))
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$messages=array();
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if(isset($cache))
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{
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$dependency=new CFileCacheDependency($messageFile);
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$cache->set($key,serialize($messages),$this->cachingDuration,$dependency);
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}
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return $messages;
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}
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else
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return array();
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}
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} |