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<?php |
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declare(strict_types=1); |
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/** |
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* BCKP Translator |
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* (c) Radovan Kepák |
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* |
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* For the full copyright and license information, please view |
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* the file license.md that was distributed with this source code. |
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* |
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* @author Radovan Kepak <[email protected]> |
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*/ |
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namespace Bckp\Translator; |
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use Bckp\Translator\Interfaces\Diagnostics; |
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use Stringable; |
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use function array_key_exists; |
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use function array_key_last; |
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use function is_array; |
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use function vsprintf; |
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final class Translator implements Interfaces\Translator |
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{ |
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/** @var callable function(string $string): string */ |
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protected $normalizeCallback; |
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public function __construct( |
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private readonly Catalogue $catalogue, |
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private readonly ?Diagnostics $diagnostics = null |
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) { |
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$this->normalizeCallback = [$this, 'normalize']; |
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$this->diagnostics?->setLocale($catalogue->locale); |
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} |
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/** |
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* @api |
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*/ |
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public function normalize(string $string): string |
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{ |
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return str_replace( |
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['%label', '%value', '%name'], |
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['%%label', '%%value', '%%name'], |
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$string |
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); |
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} |
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/** |
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* @api |
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*/ |
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#[\Override] |
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public function setNormalizeCallback(callable $callback): void |
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{ |
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$this->normalizeCallback = $callback; |
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} |
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/** |
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* @api |
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*/ |
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#[\Override] |
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public function getLocale(): string |
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{ |
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return $this->catalogue->locale; |
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} |
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/** |
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* @api |
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*/ |
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#[\Override] |
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public function translate(string|Stringable $message, float|int|string ...$parameters): string |
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{ |
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$message = (string) $message; |
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if (empty($message)) { |
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return ''; |
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} |
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$translation = $this->catalogue->get($message); |
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if (!$translation) { |
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$this->untranslated($message); |
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return $message; |
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} |
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// Plural option is returned, we need to choose the right one |
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if (is_array($translation)) { |
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$plural = is_numeric($parameters[0] ?? null) ? $this->catalogue->plural((int) $parameters[0]) : Plural::Other; |
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$translation = $this->getVariant($message, $translation, $plural); |
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} |
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if (!empty($parameters)) { |
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$translation = ($this->normalizeCallback)($translation); |
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$translation = @vsprintf($translation, $parameters); |
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} |
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return $translation; |
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} |
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/** |
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* @api |
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* @param array<string, string> $translations |
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*/ |
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public function getVariant(string $message, array $translations, Plural $plural): string |
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{ |
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if (!array_key_exists($plural->value, $translations)) { |
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$this->warn( |
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'Plural form not defined. (message: %s, form: %s)', |
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$message, |
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$plural->value, |
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); |
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} |
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return $translations[$plural->value] ?? $translations[array_key_last($translations)] ?? $message; |
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} |
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protected function untranslated(string $message): void |
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{ |
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$this->diagnostics?->untranslated($message); |
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} |
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protected function warn(string $message, float|int|string ...$parameters): void |
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{ |
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if (!empty($parameters)) { |
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$message = @vsprintf($message, $parameters); |
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} // Intentionally @ as parameter count can mismatch |
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$this->diagnostics?->warning($message); |
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} |
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} |
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bckp /
translator-core
