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80 lines
2.0 KiB
80 lines
2.0 KiB
<?php |
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/* |
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* This file is part of the Symfony package. |
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* |
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* (c) Fabien Potencier <fabien@symfony.com> |
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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 Symfony\Component\Translation\Extractor; |
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use Symfony\Component\Translation\Exception\InvalidArgumentException; |
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/** |
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* Base class used by classes that extract translation messages from files. |
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* |
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* @author Marcos D. Sánchez <marcosdsanchez@gmail.com> |
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*/ |
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abstract class AbstractFileExtractor |
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{ |
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/** |
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* @param string|array $resource Files, a file or a directory |
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* |
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* @return array |
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*/ |
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protected function extractFiles($resource) |
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{ |
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if (\is_array($resource) || $resource instanceof \Traversable) { |
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$files = []; |
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foreach ($resource as $file) { |
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if ($this->canBeExtracted($file)) { |
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$files[] = $this->toSplFileInfo($file); |
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} |
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} |
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} elseif (is_file($resource)) { |
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$files = $this->canBeExtracted($resource) ? [$this->toSplFileInfo($resource)] : []; |
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} else { |
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$files = $this->extractFromDirectory($resource); |
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} |
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return $files; |
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} |
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private function toSplFileInfo(string $file): \SplFileInfo |
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{ |
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return new \SplFileInfo($file); |
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} |
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/** |
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* @param string $file |
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* |
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* @return bool |
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* |
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* @throws InvalidArgumentException |
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*/ |
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protected function isFile($file) |
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{ |
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if (!is_file($file)) { |
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throw new InvalidArgumentException(sprintf('The "%s" file does not exist.', $file)); |
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} |
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return true; |
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} |
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/** |
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* @param string $file |
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* |
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* @return bool |
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*/ |
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abstract protected function canBeExtracted($file); |
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/** |
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* @param string|array $resource Files, a file or a directory |
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* |
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* @return array files to be extracted |
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*/ |
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abstract protected function extractFromDirectory($resource); |
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}
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