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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Translator; |
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use RuntimeException; |
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/** |
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* Represents message category. |
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*/ |
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final class CategorySource |
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{ |
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private string $name; |
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private null|MessageWriterInterface $writer = null; |
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private null|MessageFormatterInterface $formatter = null; |
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/** |
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* @param string $name Category name. |
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* @param MessageReaderInterface $reader Message reader to get messages from for this category. |
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* @param MessageFormatterInterface|MessageWriterInterface|null $writer Message writer to write messages for this category. |
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* @param MessageFormatterInterface|null $formatter Message formatter to format messages with for this category. |
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*/ |
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public function __construct( |
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string $name, |
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private MessageReaderInterface $reader, |
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// TODO: remove it at next major release |
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null|MessageFormatterInterface|MessageWriterInterface $writer = null, |
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?MessageFormatterInterface $formatter = null |
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) { |
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if (!preg_match('/^[a-z0-9_-]+$/i', $name)) { |
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1 |
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throw new RuntimeException('Category name is invalid. Only letters and numbers are allowed.'); |
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} |
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if ($writer instanceof MessageFormatterInterface) { |
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$this->formatter = $writer; |
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} elseif ($writer instanceof MessageWriterInterface) { |
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$this->writer = $writer; |
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$this->formatter = $formatter; |
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} |
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$this->name = $name; |
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} |
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/** |
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* @return string Category name. |
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*/ |
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public function getName(): string |
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{ |
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return $this->name; |
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} |
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/** |
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* Get a message with ID, locale and parameters specified. |
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* |
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* @param string $id Message ID. |
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* @param string $locale Locale to get message for. |
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* @param array $parameters Message parameters. |
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* |
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* @return string|null Message string or null if message was not found. |
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*/ |
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public function getMessage(string $id, string $locale, array $parameters = []): ?string |
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{ |
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return $this->reader->getMessage($id, $this->name, $locale, $parameters); |
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} |
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/** |
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* Writes a set of messages for a specified category and locale. |
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* |
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* @psalm-param array<string, array<string, string>> $messages |
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* |
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* @param array $messages A set of messages to write. The format is the following: |
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* |
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* ```php |
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* [ |
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* 'key1' => [ |
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* 'message' => 'translation1', |
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* // Extra metadata that writer may use: |
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* 'comment' => 'Translate carefully!', |
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* ], |
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* 'key2' => [ |
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* 'message' => 'translation2', |
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* // Extra metadata that writer may use: |
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* 'comment' => 'Translate carefully!', |
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* ], |
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* ] |
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* ``` |
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* @param string $locale Locale to write messages for. |
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* |
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* @throws UnwritableCategorySourceException When $write is not configured or it's impossible to write the messages into the source. |
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*/ |
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public function write(array $messages, string $locale): void |
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{ |
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if ($this->writer === null) { |
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throw new UnwritableCategorySourceException($this->name); |
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} |
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$this->writer->write($this->name, $locale, $messages); |
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} |
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/** |
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* Format the message given parameters and locale. |
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* |
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* @param string $message Message to be formatted. |
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* @param array $parameters Parameters to use. |
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* @param string $locale Locale to use. Usually affects formatting numbers, dates etc. |
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* @param MessageFormatterInterface $defaultFormatter Message formatter that will be used if formatter not specified |
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* in message category. |
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* |
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* @return string Formatted message. |
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*/ |
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55 |
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public function format( |
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string $message, |
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array $parameters, |
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string $locale, |
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MessageFormatterInterface $defaultFormatter |
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): string { |
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return ($this->formatter ?? $defaultFormatter)->format($message, $parameters, $locale); |
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} |
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} |
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yiisoft /
translator
