XliffLintCommand.php 11 KB

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  1. <?php
  2. /*
  3. * This file is part of the Symfony package.
  4. *
  5. * (c) Fabien Potencier <fabien@symfony.com>
  6. *
  7. * For the full copyright and license information, please view the LICENSE
  8. * file that was distributed with this source code.
  9. */
  10. namespace Symfony\Component\Translation\Command;
  11. use Symfony\Component\Console\Attribute\AsCommand;
  12. use Symfony\Component\Console\CI\GithubActionReporter;
  13. use Symfony\Component\Console\Command\Command;
  14. use Symfony\Component\Console\Completion\CompletionInput;
  15. use Symfony\Component\Console\Completion\CompletionSuggestions;
  16. use Symfony\Component\Console\Exception\RuntimeException;
  17. use Symfony\Component\Console\Input\InputArgument;
  18. use Symfony\Component\Console\Input\InputInterface;
  19. use Symfony\Component\Console\Input\InputOption;
  20. use Symfony\Component\Console\Output\OutputInterface;
  21. use Symfony\Component\Console\Style\SymfonyStyle;
  22. use Symfony\Component\Translation\Exception\InvalidArgumentException;
  23. use Symfony\Component\Translation\Util\XliffUtils;
  24. /**
  25. * Validates XLIFF files syntax and outputs encountered errors.
  26. *
  27. * @author Grégoire Pineau <lyrixx@lyrixx.info>
  28. * @author Robin Chalas <robin.chalas@gmail.com>
  29. * @author Javier Eguiluz <javier.eguiluz@gmail.com>
  30. */
  31. #[AsCommand(name: 'lint:xliff', description: 'Lint an XLIFF file and outputs encountered errors')]
  32. class XliffLintCommand extends Command
  33. {
  34. private string $format;
  35. private bool $displayCorrectFiles;
  36. private ?\Closure $directoryIteratorProvider;
  37. private ?\Closure $isReadableProvider;
  38. private bool $requireStrictFileNames;
  39. public function __construct(string $name = null, callable $directoryIteratorProvider = null, callable $isReadableProvider = null, bool $requireStrictFileNames = true)
  40. {
  41. parent::__construct($name);
  42. $this->directoryIteratorProvider = null === $directoryIteratorProvider || $directoryIteratorProvider instanceof \Closure ? $directoryIteratorProvider : \Closure::fromCallable($directoryIteratorProvider);
  43. $this->isReadableProvider = null === $isReadableProvider || $isReadableProvider instanceof \Closure ? $isReadableProvider : \Closure::fromCallable($isReadableProvider);
  44. $this->requireStrictFileNames = $requireStrictFileNames;
  45. }
  46. /**
  47. * {@inheritdoc}
  48. */
  49. protected function configure()
  50. {
  51. $this
  52. ->addArgument('filename', InputArgument::IS_ARRAY, 'A file, a directory or "-" for reading from STDIN')
  53. ->addOption('format', null, InputOption::VALUE_REQUIRED, 'The output format')
  54. ->setHelp(<<<EOF
  55. The <info>%command.name%</info> command lints an XLIFF file and outputs to STDOUT
  56. the first encountered syntax error.
  57. You can validates XLIFF contents passed from STDIN:
  58. <info>cat filename | php %command.full_name% -</info>
  59. You can also validate the syntax of a file:
  60. <info>php %command.full_name% filename</info>
  61. Or of a whole directory:
  62. <info>php %command.full_name% dirname</info>
  63. <info>php %command.full_name% dirname --format=json</info>
  64. EOF
  65. )
  66. ;
  67. }
  68. protected function execute(InputInterface $input, OutputInterface $output): int
  69. {
  70. $io = new SymfonyStyle($input, $output);
  71. $filenames = (array) $input->getArgument('filename');
  72. $this->format = $input->getOption('format') ?? (GithubActionReporter::isGithubActionEnvironment() ? 'github' : 'txt');
  73. $this->displayCorrectFiles = $output->isVerbose();
  74. if (['-'] === $filenames) {
  75. return $this->display($io, [$this->validate(file_get_contents('php://stdin'))]);
  76. }
  77. if (!$filenames) {
  78. throw new RuntimeException('Please provide a filename or pipe file content to STDIN.');
  79. }
  80. $filesInfo = [];
  81. foreach ($filenames as $filename) {
  82. if (!$this->isReadable($filename)) {
  83. throw new RuntimeException(sprintf('File or directory "%s" is not readable.', $filename));
  84. }
  85. foreach ($this->getFiles($filename) as $file) {
  86. $filesInfo[] = $this->validate(file_get_contents($file), $file);
  87. }
  88. }
  89. return $this->display($io, $filesInfo);
  90. }
  91. private function validate(string $content, string $file = null): array
  92. {
  93. $errors = [];
  94. // Avoid: Warning DOMDocument::loadXML(): Empty string supplied as input
  95. if ('' === trim($content)) {
  96. return ['file' => $file, 'valid' => true];
  97. }
  98. $internal = libxml_use_internal_errors(true);
  99. $document = new \DOMDocument();
  100. $document->loadXML($content);
  101. if (null !== $targetLanguage = $this->getTargetLanguageFromFile($document)) {
  102. $normalizedLocalePattern = sprintf('(%s|%s)', preg_quote($targetLanguage, '/'), preg_quote(str_replace('-', '_', $targetLanguage), '/'));
  103. // strict file names require translation files to be named '____.locale.xlf'
  104. // otherwise, both '____.locale.xlf' and 'locale.____.xlf' are allowed
  105. // also, the regexp matching must be case-insensitive, as defined for 'target-language' values
  106. // http://docs.oasis-open.org/xliff/v1.2/os/xliff-core.html#target-language
  107. $expectedFilenamePattern = $this->requireStrictFileNames ? sprintf('/^.*\.(?i:%s)\.(?:xlf|xliff)/', $normalizedLocalePattern) : sprintf('/^(?:.*\.(?i:%s)|(?i:%s)\..*)\.(?:xlf|xliff)/', $normalizedLocalePattern, $normalizedLocalePattern);
  108. if (0 === preg_match($expectedFilenamePattern, basename($file))) {
  109. $errors[] = [
  110. 'line' => -1,
  111. 'column' => -1,
  112. 'message' => sprintf('There is a mismatch between the language included in the file name ("%s") and the "%s" value used in the "target-language" attribute of the file.', basename($file), $targetLanguage),
  113. ];
  114. }
  115. }
  116. foreach (XliffUtils::validateSchema($document) as $xmlError) {
  117. $errors[] = [
  118. 'line' => $xmlError['line'],
  119. 'column' => $xmlError['column'],
  120. 'message' => $xmlError['message'],
  121. ];
  122. }
  123. libxml_clear_errors();
  124. libxml_use_internal_errors($internal);
  125. return ['file' => $file, 'valid' => 0 === \count($errors), 'messages' => $errors];
  126. }
  127. private function display(SymfonyStyle $io, array $files)
  128. {
  129. switch ($this->format) {
  130. case 'txt':
  131. return $this->displayTxt($io, $files);
  132. case 'json':
  133. return $this->displayJson($io, $files);
  134. case 'github':
  135. return $this->displayTxt($io, $files, true);
  136. default:
  137. throw new InvalidArgumentException(sprintf('The format "%s" is not supported.', $this->format));
  138. }
  139. }
  140. private function displayTxt(SymfonyStyle $io, array $filesInfo, bool $errorAsGithubAnnotations = false)
  141. {
  142. $countFiles = \count($filesInfo);
  143. $erroredFiles = 0;
  144. $githubReporter = $errorAsGithubAnnotations ? new GithubActionReporter($io) : null;
  145. foreach ($filesInfo as $info) {
  146. if ($info['valid'] && $this->displayCorrectFiles) {
  147. $io->comment('<info>OK</info>'.($info['file'] ? sprintf(' in %s', $info['file']) : ''));
  148. } elseif (!$info['valid']) {
  149. ++$erroredFiles;
  150. $io->text('<error> ERROR </error>'.($info['file'] ? sprintf(' in %s', $info['file']) : ''));
  151. $io->listing(array_map(function ($error) use ($info, $githubReporter) {
  152. // general document errors have a '-1' line number
  153. $line = -1 === $error['line'] ? null : $error['line'];
  154. if ($githubReporter) {
  155. $githubReporter->error($error['message'], $info['file'], $line, null !== $line ? $error['column'] : null);
  156. }
  157. return null === $line ? $error['message'] : sprintf('Line %d, Column %d: %s', $line, $error['column'], $error['message']);
  158. }, $info['messages']));
  159. }
  160. }
  161. if (0 === $erroredFiles) {
  162. $io->success(sprintf('All %d XLIFF files contain valid syntax.', $countFiles));
  163. } else {
  164. $io->warning(sprintf('%d XLIFF files have valid syntax and %d contain errors.', $countFiles - $erroredFiles, $erroredFiles));
  165. }
  166. return min($erroredFiles, 1);
  167. }
  168. private function displayJson(SymfonyStyle $io, array $filesInfo)
  169. {
  170. $errors = 0;
  171. array_walk($filesInfo, function (&$v) use (&$errors) {
  172. $v['file'] = (string) $v['file'];
  173. if (!$v['valid']) {
  174. ++$errors;
  175. }
  176. });
  177. $io->writeln(json_encode($filesInfo, \JSON_PRETTY_PRINT | \JSON_UNESCAPED_SLASHES));
  178. return min($errors, 1);
  179. }
  180. private function getFiles(string $fileOrDirectory)
  181. {
  182. if (is_file($fileOrDirectory)) {
  183. yield new \SplFileInfo($fileOrDirectory);
  184. return;
  185. }
  186. foreach ($this->getDirectoryIterator($fileOrDirectory) as $file) {
  187. if (!\in_array($file->getExtension(), ['xlf', 'xliff'])) {
  188. continue;
  189. }
  190. yield $file;
  191. }
  192. }
  193. private function getDirectoryIterator(string $directory)
  194. {
  195. $default = function ($directory) {
  196. return new \RecursiveIteratorIterator(
  197. new \RecursiveDirectoryIterator($directory, \FilesystemIterator::SKIP_DOTS | \FilesystemIterator::FOLLOW_SYMLINKS),
  198. \RecursiveIteratorIterator::LEAVES_ONLY
  199. );
  200. };
  201. if (null !== $this->directoryIteratorProvider) {
  202. return ($this->directoryIteratorProvider)($directory, $default);
  203. }
  204. return $default($directory);
  205. }
  206. private function isReadable(string $fileOrDirectory)
  207. {
  208. $default = function ($fileOrDirectory) {
  209. return is_readable($fileOrDirectory);
  210. };
  211. if (null !== $this->isReadableProvider) {
  212. return ($this->isReadableProvider)($fileOrDirectory, $default);
  213. }
  214. return $default($fileOrDirectory);
  215. }
  216. private function getTargetLanguageFromFile(\DOMDocument $xliffContents): ?string
  217. {
  218. foreach ($xliffContents->getElementsByTagName('file')[0]->attributes ?? [] as $attribute) {
  219. if ('target-language' === $attribute->nodeName) {
  220. return $attribute->nodeValue;
  221. }
  222. }
  223. return null;
  224. }
  225. public function complete(CompletionInput $input, CompletionSuggestions $suggestions): void
  226. {
  227. if ($input->mustSuggestOptionValuesFor('format')) {
  228. $suggestions->suggestValues(['txt', 'json', 'github']);
  229. }
  230. }
  231. }