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<?php |
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namespace Koded\I18n; |
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use Koded\Stdlib\Configuration; |
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use Throwable; |
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use function array_key_exists; |
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use function getcwd; |
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use function rtrim; |
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abstract class I18nCatalog |
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{ |
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protected string $locale; |
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protected string $directory; |
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protected I18nFormatter $formatter; |
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private function __construct( |
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I18nFormatter $formatter, |
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string $directory, |
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string $locale) |
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{ |
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$this->formatter = $formatter; |
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$this->directory = rtrim($directory, '/'); |
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$this->locale = $this->initialize($locale); |
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} |
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public static function new(Configuration $conf): I18nCatalog |
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{ |
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$catalog = $conf->get('translation.catalog', ArrayCatalog::class); |
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$formatter = $conf->get('translation.formatter', DefaultFormatter::class); |
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$instance = new $catalog( |
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new $formatter, |
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$directory = $conf->get('translation.dir', getcwd() . '/locales'), |
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$locale = self::normalizeLocale($conf->get('translation.locale', I18n::DEFAULT_LOCALE)) |
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); |
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if ($instance->supports($locale)) { |
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return $instance; |
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} |
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if ($catalog !== ArrayCatalog::class) { |
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error_log(" > ($locale) gettext not supported, trying ArrayCatalog ..."); |
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$conf->set('translation.catalog', ArrayCatalog::class); |
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return static::new($conf); |
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} |
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// Last resort, passthru |
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return new NoCatalog(new $formatter, $directory, $locale); |
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} |
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public static function normalizeLocale(string $locale): string |
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{ |
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$locale = str_replace('.', '_', $locale); |
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if (substr_count($locale, '_') > 1) { |
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$locale = explode('_', $locale); |
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$locale = "$locale[0]_$locale[1]"; |
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} |
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return $locale; |
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} |
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public function translate( |
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string $domain, |
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string $key, |
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array $arguments = [], |
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int $n = 0): string |
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{ |
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return $this->formatter->format( |
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$this->message($domain, $key, $n), |
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$arguments |
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); |
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} |
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public function locale(): string |
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{ |
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return $this->locale; |
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} |
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public function directory(): string |
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{ |
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return $this->directory; |
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} |
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public function formatter(): I18nFormatter |
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{ |
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return $this->formatter; |
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} |
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/** |
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* Translates the message. |
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* |
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* @param string $domain |
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* @param string $string |
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* @param int $n |
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* @return string |
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*/ |
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abstract protected function message(string $domain, string $string, int $n): string; |
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/** |
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* Checks if the locale is supported for this catalog, |
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* or other specific requirements. |
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* |
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* @param string $locale |
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* @return bool |
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*/ |
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abstract protected function supports(string $locale): bool; |
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/** |
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* Initialize the catalog object. This method is |
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* called before supports(). |
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* |
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* @param string $locale Desired locale to be initialized |
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* @return string|false Returns the set locale, |
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* or FALSE if initialization fails. |
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*/ |
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abstract protected function initialize(string $locale): string|false; |
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} |
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class NoCatalog extends I18nCatalog |
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{ |
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protected function message(string $domain, string $string, int $n): string |
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{ |
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return $string; |
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} |
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// @codeCoverageIgnoreStart |
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protected function supports(string $locale): bool |
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{ |
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return true; |
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} |
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// @codeCoverageIgnoreEnd |
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protected function initialize(string $locale): string|false |
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{ |
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return $locale; |
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} |
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} |
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class ArrayCatalog extends I18nCatalog |
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{ |
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private array $data = []; |
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protected function message(string $domain, string $string, int $n): string |
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{ |
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return $this->data[$domain][$string] ?? $string; |
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} |
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protected function supports(string $locale): bool |
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{ |
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return $this->locale === $locale; |
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} |
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protected function initialize(string $locale): string|false |
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{ |
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try { |
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$this->data = require($catalog = "$this->directory/$locale.php"); |
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if (false === array_key_exists('messages', $this->data)) { |
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error_log("ERROR : i18n catalog $catalog is missing the messages array"); |
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return false; |
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} |
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return $locale; |
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} catch (Throwable $e) { |
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error_log($e->getMessage()); |
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return false; |
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} |
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} |
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} |
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kodedphp /
i18n
