comparison vendor/symfony/translation/Command/XliffLintCommand.php @ 14:1fec387a4317

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <[e-mail]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Translation\Command;
+
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Style\SymfonyStyle;
+
+/**
+ * Validates XLIFF files syntax and outputs encountered errors.
+ *
+ * @author Grégoire Pineau <[e-mail]>
+ * @author Robin Chalas <[e-mail]>
+ * @author Javier Eguiluz <[e-mail]>
+ */
+class XliffLintCommand extends Command
+{
+    protected static $defaultName = 'lint:xliff';
+
+    private $format;
+    private $displayCorrectFiles;
+    private $directoryIteratorProvider;
+    private $isReadableProvider;
+
+    public function __construct($name = null, $directoryIteratorProvider = null, $isReadableProvider = null)
+    {
+        parent::__construct($name);
+
+        $this->directoryIteratorProvider = $directoryIteratorProvider;
+        $this->isReadableProvider = $isReadableProvider;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function configure()
+    {
+        $this
+            ->setDescription('Lints a XLIFF file and outputs encountered errors')
+            ->addArgument('filename', null, 'A file or a directory or STDIN')
+            ->addOption('format', null, InputOption::VALUE_REQUIRED, 'The output format', 'txt')
+            ->setHelp(<<<EOF
+The <info>%command.name%</info> command lints a XLIFF file and outputs to STDOUT
+the first encountered syntax error.
+
+You can validates XLIFF contents passed from STDIN:
+
+  <info>cat filename | php %command.full_name%</info>
+
+You can also validate the syntax of a file:
+
+  <info>php %command.full_name% filename</info>
+
+Or of a whole directory:
+
+  <info>php %command.full_name% dirname</info>
+  <info>php %command.full_name% dirname --format=json</info>
+
+EOF
+            )
+        ;
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $io = new SymfonyStyle($input, $output);
+        $filename = $input->getArgument('filename');
+        $this->format = $input->getOption('format');
+        $this->displayCorrectFiles = $output->isVerbose();
+
+        if (!$filename) {
+            if (!$stdin = $this->getStdin()) {
+                throw new \RuntimeException('Please provide a filename or pipe file content to STDIN.');
+            }
+
+            return $this->display($io, array($this->validate($stdin)));
+        }
+
+        if (!$this->isReadable($filename)) {
+            throw new \RuntimeException(sprintf('File or directory "%s" is not readable.', $filename));
+        }
+
+        $filesInfo = array();
+        foreach ($this->getFiles($filename) as $file) {
+            $filesInfo[] = $this->validate(file_get_contents($file), $file);
+        }
+
+        return $this->display($io, $filesInfo);
+    }
+
+    private function validate($content, $file = null)
+    {
+        // Avoid: Warning DOMDocument::loadXML(): Empty string supplied as input
+        if ('' === trim($content)) {
+            return array('file' => $file, 'valid' => true);
+        }
+
+        libxml_use_internal_errors(true);
+
+        $document = new \DOMDocument();
+        $document->loadXML($content);
+        if ($document->schemaValidate(__DIR__.'/../Resources/schemas/xliff-core-1.2-strict.xsd')) {
+            return array('file' => $file, 'valid' => true);
+        }
+
+        $errorMessages = array_map(function ($error) {
+            return array(
+                'line' => $error->line,
+                'column' => $error->column,
+                'message' => trim($error->message),
+            );
+        }, libxml_get_errors());
+
+        libxml_clear_errors();
+        libxml_use_internal_errors(false);
+
+        return array('file' => $file, 'valid' => false, 'messages' => $errorMessages);
+    }
+
+    private function display(SymfonyStyle $io, array $files)
+    {
+        switch ($this->format) {
+            case 'txt':
+                return $this->displayTxt($io, $files);
+            case 'json':
+                return $this->displayJson($io, $files);
+            default:
+                throw new \InvalidArgumentException(sprintf('The format "%s" is not supported.', $this->format));
+        }
+    }
+
+    private function displayTxt(SymfonyStyle $io, array $filesInfo)
+    {
+        $countFiles = count($filesInfo);
+        $erroredFiles = 0;
+
+        foreach ($filesInfo as $info) {
+            if ($info['valid'] && $this->displayCorrectFiles) {
+                $io->comment('<info>OK</info>'.($info['file'] ? sprintf(' in %s', $info['file']) : ''));
+            } elseif (!$info['valid']) {
+                ++$erroredFiles;
+                $io->text('<error> ERROR </error>'.($info['file'] ? sprintf(' in %s', $info['file']) : ''));
+                $io->listing(array_map(function ($error) {
+                    // general document errors have a '-1' line number
+                    return -1 === $error['line'] ? $error['message'] : sprintf('Line %d, Column %d: %s', $error['line'], $error['column'], $error['message']);
+                }, $info['messages']));
+            }
+        }
+
+        if (0 === $erroredFiles) {
+            $io->success(sprintf('All %d XLIFF files contain valid syntax.', $countFiles));
+        } else {
+            $io->warning(sprintf('%d XLIFF files have valid syntax and %d contain errors.', $countFiles - $erroredFiles, $erroredFiles));
+        }
+
+        return min($erroredFiles, 1);
+    }
+
+    private function displayJson(SymfonyStyle $io, array $filesInfo)
+    {
+        $errors = 0;
+
+        array_walk($filesInfo, function (&$v) use (&$errors) {
+            $v['file'] = (string) $v['file'];
+            if (!$v['valid']) {
+                ++$errors;
+            }
+        });
+
+        $io->writeln(json_encode($filesInfo, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES));
+
+        return min($errors, 1);
+    }
+
+    private function getFiles($fileOrDirectory)
+    {
+        if (is_file($fileOrDirectory)) {
+            yield new \SplFileInfo($fileOrDirectory);
+
+            return;
+        }
+
+        foreach ($this->getDirectoryIterator($fileOrDirectory) as $file) {
+            if (!in_array($file->getExtension(), array('xlf', 'xliff'))) {
+                continue;
+            }
+
+            yield $file;
+        }
+    }
+
+    private function getStdin()
+    {
+        if (0 !== ftell(STDIN)) {
+            return;
+        }
+
+        $inputs = '';
+        while (!feof(STDIN)) {
+            $inputs .= fread(STDIN, 1024);
+        }
+
+        return $inputs;
+    }
+
+    private function getDirectoryIterator($directory)
+    {
+        $default = function ($directory) {
+            return new \RecursiveIteratorIterator(
+                new \RecursiveDirectoryIterator($directory, \FilesystemIterator::SKIP_DOTS | \FilesystemIterator::FOLLOW_SYMLINKS),
+                \RecursiveIteratorIterator::LEAVES_ONLY
+            );
+        };
+
+        if (null !== $this->directoryIteratorProvider) {
+            return call_user_func($this->directoryIteratorProvider, $directory, $default);
+        }
+
+        return $default($directory);
+    }
+
+    private function isReadable($fileOrDirectory)
+    {
+        $default = function ($fileOrDirectory) {
+            return is_readable($fileOrDirectory);
+        };
+
+        if (null !== $this->isReadableProvider) {
+            return call_user_func($this->isReadableProvider, $fileOrDirectory, $default);
+        }
+
+        return $default($fileOrDirectory);
+    }
+}