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<?php |
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/** |
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* Quantum PHP Framework |
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* |
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* An open source software development framework for PHP |
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* |
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* @package Quantum |
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* @author Arman Ag. <[email protected]> |
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* @copyright Copyright (c) 2018 Softberg LLC (https://softberg.org) |
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* @link http://quantum.softberg.org/ |
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* @since 2.8.0 |
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*/ |
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namespace Quantum\Libraries\Lang; |
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use Quantum\Libraries\Storage\FileSystem; |
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use Quantum\Exceptions\LangException; |
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use Dflydev\DotAccessData\Data; |
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use Quantum\Loader\Loader; |
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use Quantum\Http\Request; |
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use Quantum\Loader\Setup; |
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use Quantum\Di\Di; |
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/** |
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* Language class |
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* @package Quantum\Libraries\Lang |
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*/ |
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class Lang |
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{ |
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/** |
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* Config key for defined languages |
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*/ |
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const LANGS_DEFINED = 'langs'; |
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/** |
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* Config key for lang segment |
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*/ |
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const LANG_SEGMENT = 'lang_segment'; |
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/** |
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* Current language |
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* @var string |
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*/ |
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private static $currentLang; |
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/** |
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* Translations |
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* @var \Dflydev\DotAccessData\Data |
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*/ |
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private static $translations = null; |
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/** |
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* Instance of Lang |
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* @var \Quantum\Libraries\Lang\Lang |
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*/ |
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private static $instance = null; |
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/** |
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* GetInstance |
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* @return \Quantum\Libraries\Lang\Lang |
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*/ |
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public static function getInstance(int $langSegmentIndex = 1): Lang |
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{ |
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if (self::$instance === null) { |
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self::$instance = new self(); |
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if (!empty(route_prefix()) && $langSegmentIndex == 1) { |
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$langSegmentIndex += 1; |
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} |
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$lang = Request::getSegment($langSegmentIndex); |
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if (empty($lang) && !config()->get('lang_default')) { |
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throw LangException::misconfiguredDefaultConfig(); |
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} |
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if (empty($lang) || !in_array($lang, (array) config()->get('langs'))) { |
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$lang = config()->get('lang_default'); |
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} |
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self::$instance->setLang($lang); |
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} |
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return self::$instance; |
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} |
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/** |
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* Loads translations |
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* @throws \Quantum\Exceptions\LangException |
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* @throws \Quantum\Exceptions\DiException |
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* @throws \ReflectionException |
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*/ |
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public function load() |
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{ |
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$fs = Di::get(FileSystem::class); |
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$langDir = modules_dir() . DS . current_module() . DS . 'Resources' . DS . 'lang' . DS . $this->getLang(); |
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$files = $fs->glob($langDir . DS . "*.php"); |
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if (is_array($files) && !count($files)) { |
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$langDir = base_dir() . DS . 'shared' . DS . 'Resources' . DS . 'lang' . DS . $this->getLang(); |
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$files = $fs->glob($langDir . DS . "*.php"); |
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if (is_array($files) && !count($files)) { |
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throw LangException::translationsNotFound($this->getLang()); |
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} |
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} |
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self::$translations = new Data(); |
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foreach ($files as $file) { |
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$fileName = $fs->fileName($file); |
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$setup = new Setup(); |
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$setup->setPathPrefix('Resources' . DS . 'lang' . DS . $this->getLang()); |
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$setup->setFilename($fileName); |
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$setup->setHierarchy(true); |
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self::$translations->import([$fileName => Di::get(Loader::class)->setup($setup)->load()]); |
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} |
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} |
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/** |
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* Sets current language |
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* @param string $lang |
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* @return $this |
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*/ |
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public function setLang(string $lang): Lang |
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{ |
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self::$currentLang = $lang; |
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return $this; |
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} |
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/** |
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* Gets the current language |
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* @return string|null |
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*/ |
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public function getLang(): ?string |
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{ |
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return self::$currentLang; |
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} |
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/** |
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* Gets the whole translations of current language |
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* @return \Dflydev\DotAccessData\Data |
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*/ |
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public function getTranslations(): ?Data |
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{ |
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return self::$translations; |
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} |
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/** |
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* Gets the translation by given key |
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* @param string $key |
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* @param string|array $params |
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* @return string|null |
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*/ |
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public function getTranslation(string $key, $params = null): ?string |
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{ |
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if (self::$translations && self::$translations->has($key)) { |
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if (!is_null($params)) { |
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return _message(self::$translations->get($key), $params); |
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} else { |
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return self::$translations->get($key); |
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} |
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} else { |
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return $key; |
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} |
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} |
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/** |
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* Flushes loaded translations |
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*/ |
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public function flush() |
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{ |
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self::$translations = null; |
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} |
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} |
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softberg /
quantum-php-core
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