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<?php |
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declare(strict_types=1); |
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namespace SixtyEightPublishers\i18n\Lists; |
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use ArrayIterator; |
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use LogicException; |
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use Nette\SmartObject; |
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use SixtyEightPublishers\i18n\Exception\RuntimeException; |
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use SixtyEightPublishers\i18n\Exception\InvalidArgumentException; |
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abstract class AbstractList implements ListInterface |
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{ |
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use SmartObject; |
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/** @var \SixtyEightPublishers\i18n\Lists\ListOptions */ |
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private $options; |
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/** @var NULL|string */ |
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private $language; |
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/** @var array */ |
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private $cached = []; |
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/** |
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* @param \SixtyEightPublishers\i18n\Lists\ListOptions $options |
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*/ |
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public function __construct(ListOptions $options) |
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{ |
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$this->options = $options; |
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} |
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/** |
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* First %s is vendor dir, second %s is locale |
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* |
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* @return string |
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*/ |
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abstract protected function getSourcePathMask(): string; |
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/** |
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* @param string $language |
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* |
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* @return string |
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*/ |
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private function createSourcePath(string $language): string |
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{ |
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return sprintf( |
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$this->getSourcePathMask(), |
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$this->options->vendorDir, |
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$language |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getIterator(): ArrayIterator |
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{ |
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return new ArrayIterator($this->getList()); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function offsetExists($offset): bool |
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{ |
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return isset($this->getList()[$offset]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function offsetGet($offset): string |
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{ |
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if (!$this->offsetExists($offset)) { |
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throw new InvalidArgumentException(sprintf( |
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'Item %s is not defined in list.', |
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(string) $offset |
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)); |
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} |
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return $this->getList()[$offset]; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function offsetSet($offset, $value) |
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{ |
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throw new LogicException('Changes of statically defined list is not allowed.'); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function offsetUnset($offset): void |
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{ |
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throw new LogicException('Changes of statically defined list is not allowed.'); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function jsonSerialize(): array |
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{ |
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return $this->getList(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function count(): int |
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{ |
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return count($this->getList()); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setLanguage(string $language): void |
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{ |
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$this->language = $language; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getList(?string $language = NULL): array |
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{ |
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$language = ($language ?? $this->language) ?? $this->options->resolvedLanguage; |
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if (isset($this->cached[$language])) { |
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return $this->cached[$language]; |
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} |
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$path = $this->createSourcePath($language); |
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if (!file_exists($path)) { |
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trigger_error(sprintf( |
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'Missing lists for language %s, fallback %s is used.', |
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$language, |
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$this->options->fallbackLanguage |
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), E_USER_NOTICE); |
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$language = $this->options->fallbackLanguage; |
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$path = $this->createSourcePath($language); |
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} |
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if (!file_exists($path)) { |
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throw new RuntimeException('Can\'t resolve language for list.'); |
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} |
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/** @noinspection PhpIncludeInspection */ |
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return $this->cached[$language] = include $path; |
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} |
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} |
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68publishers /
i18n
