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<?php |
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/** |
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* This file is part of slick/i18n package |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Slick\I18n; |
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use Slick\I18n\Exception\UnknownLanguageCodeException; |
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/** |
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* Language |
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* |
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* @package Slick\I18n |
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*/ |
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final class Language |
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{ |
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private static $codes; |
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/** |
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* @var string |
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*/ |
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private $language; |
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/** |
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* @var string |
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*/ |
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private $languageCode; |
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/** |
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* @var string |
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*/ |
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private $regionName; |
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/** |
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* @var string |
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*/ |
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private $regionCode; |
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/** |
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* Language |
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* |
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* @param string $code |
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*/ |
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public function __construct($code) |
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{ |
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list($langCode, $langName) = self::parseLanguage($code); |
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list($regCode, $regName) = self::parseRegion($code); |
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$this->language = $langName; |
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$this->languageCode = $langCode; |
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$this->regionCode = $regCode; |
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$this->regionName = $this->clear($regName); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function __toString() |
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{ |
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return $this->identifier(); |
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} |
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/** |
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* Get language name |
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* |
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* @return string |
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*/ |
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public function language() |
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{ |
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return $this->language; |
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} |
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/** |
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* Get ISO 639-1 2 letter language code |
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* |
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* @return string |
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*/ |
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public function languageCode() |
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{ |
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return $this->languageCode; |
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} |
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/** |
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* Get region name |
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* |
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* @return mixed |
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*/ |
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public function regionName() |
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{ |
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return $this->regionName; |
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} |
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/** |
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* Get region 2 letter country code |
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* |
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* @return string |
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*/ |
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public function regionCode() |
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{ |
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return $this->regionCode; |
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} |
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/** |
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* Clears the name of passed region |
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* |
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* @param string $regName |
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* |
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* @return string |
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*/ |
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private function clear($regName) |
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{ |
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$name = str_replace( |
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[$this->language(), '(', ')'], |
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'', |
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$regName |
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); |
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return trim($name); |
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} |
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/** |
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* Get language code |
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* |
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* @param string $code |
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* |
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* @return array |
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*/ |
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private static function parseLanguage($code) |
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{ |
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$lang = substr($code, 0, 2); |
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foreach (self::codes() as $code) { |
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if ($code['code'] == strtolower($lang)) { |
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return [strtolower($lang), $code['description']]; |
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} |
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} |
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throw new UnknownLanguageCodeException( |
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"The language code '{$code}'' is unknown." |
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); |
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} |
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/** |
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* Get regina name and code |
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* |
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* @param string $code |
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* |
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* @return array |
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*/ |
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private static function parseRegion($code) |
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{ |
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$lang = substr($code, 0, 2); |
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$reg = strtoupper(substr($code, 3, 2)); |
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$needle = "{$lang}-{$reg}"; |
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foreach (self::codes() as $code) { |
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if ($code['code'] == $needle) { |
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return [$reg, $code['description']]; |
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} |
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} |
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throw new UnknownLanguageCodeException( |
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"The region code '{$code}'' is unknown." |
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); |
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} |
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/** |
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* Language database |
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* |
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* @return array |
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*/ |
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private static function codes() |
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{ |
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if (!self::$codes) { |
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self::$codes = include 'language-db.php'; |
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} |
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return self::$codes; |
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} |
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/** |
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* Get the language RFC 3066 identifier |
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* |
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* @return string |
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*/ |
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public function identifier() |
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{ |
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return "{$this->languageCode()}_{$this->regionCode()}"; |
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} |
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} |
slickframework /
i18n
