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<?php |
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namespace Gettext\Extractors; |
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use Exception; |
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use InvalidArgumentException; |
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use Gettext\Translations; |
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abstract class Extractor implements ExtractorInterface |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public static function fromFile($file, Translations $translations, array $options = []) |
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{ |
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foreach (self::getFiles($file) as $file) { |
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$options['file'] = $file; |
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static::fromString(self::readFile($file), $translations, $options); |
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} |
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} |
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/** |
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* Checks and returns all files. |
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* |
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* @param string|array $file The file/s |
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* |
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* @return array The file paths |
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*/ |
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protected static function getFiles($file) |
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{ |
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if (empty($file)) { |
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throw new InvalidArgumentException('There is not any file defined'); |
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} |
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if (is_string($file)) { |
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if (!is_file($file)) { |
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throw new InvalidArgumentException("'$file' is not a valid file"); |
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} |
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if (!is_readable($file)) { |
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throw new InvalidArgumentException("'$file' is not a readable file"); |
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} |
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return [$file]; |
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} |
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if (is_array($file)) { |
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$files = []; |
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foreach ($file as $f) { |
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$files = array_merge($files, self::getFiles($f)); |
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} |
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return $files; |
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} |
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throw new InvalidArgumentException('The first argumet must be string or array'); |
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} |
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/** |
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* Reads and returns the content of a file. |
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* |
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* @param string $file |
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* |
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* @return string |
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*/ |
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protected static function readFile($file) |
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{ |
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$length = filesize($file); |
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if (!($fd = fopen($file, 'rb'))) { |
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throw new Exception("Cannot read the file '$file', probably permissions"); |
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} |
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$content = $length ? fread($fd, $length) : ''; |
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fclose($fd); |
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return $content; |
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} |
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} |
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maxhelias /
Gettext
