<?php
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/**
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* PhalApi_Translator 国际翻译
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*
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* - 根提供的语言包，进行翻译
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* - 优先使用应用级的翻译，其次是框架默认的
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*
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* <br>使用示例：<br>
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```
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* //初始化，设置语言
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* PhalApi_Translator::setLanguage('zh_cn');
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*
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* //翻译
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* $msg = T('hello {name}', array('name' => 'phper'));
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* var_dump($msg);
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```
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*
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* @package PhalApi\Translator
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* @license http://www.phalapi.net/license GPL 协议
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* @link http://www.phalapi.net/
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* @author dogstar <chanzonghuang@gmail.com> 2015-02-04
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*/
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class PhalApi_Translator {
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/**
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* @var array $message 翻译的映射
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*/
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protected static $message = NULL;
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/**
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* @var array $language 语言
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*/
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protected static $language = 'en';
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/**
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* 获取翻译
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* @param string $key 翻译的内容
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* @param array $params 动态参数
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* @return string
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*/
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public static function get($key, $params = array()) {
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if (static::$message === NULL) {
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static::setLanguage('en');
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}
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$rs = isset(static::$message[$key]) ? static::$message[$key] : $key;
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$names = array_keys($params);
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$names = array_map(array('PhalApi_Translator', 'formatVar'), $names);
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return str_replace($names, array_values($params), $rs);
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}
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public static function formatVar($name) {
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return '{' . $name . '}';
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}
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/**
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* 语言设置
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* @param string $language 翻译包的目录名
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*/
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public static function setLanguage($language) {
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static::$language = $language;
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static::$message = array();
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static::addMessage(PHALAPI_ROOT);
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if (defined('API_ROOT')) {
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static::addMessage(API_ROOT);
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}
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}
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/**
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* 添加更多翻译
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*
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* - 为扩展类库或者外部提供更方便的方式追加翻译的内容
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*
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* @param string $path 待追加的路径
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* @return NULL
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*/
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public static function addMessage($path) {
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$moreMessagePath = static::getMessageFilePath($path, static::$language);
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if (file_exists($moreMessagePath)) {
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static::$message = array_merge(static::$message, include $moreMessagePath);
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}
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}
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protected static function getMessageFilePath($root, $language) {
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return implode(DIRECTORY_SEPARATOR,
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array($root, 'Language', strtolower($language), 'common.php'));
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}
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/**
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* 取当前的语言
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*/
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public static function getLanguage() {
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return static::$language;
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}
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}
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