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Filename :
XliffFileLoader.php
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<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Translation\Loader; use Symfony\Component\Config\Util\XmlUtils; use Symfony\Component\Translation\MessageCatalogue; use Symfony\Component\Translation\Exception\InvalidResourceException; use Symfony\Component\Translation\Exception\NotFoundResourceException; use Symfony\Component\Config\Resource\FileResource; /** * XliffFileLoader loads translations from XLIFF files. * * @author Fabien Potencier <fabien@symfony.com> * * @api */ class XliffFileLoader implements LoaderInterface { /** * {@inheritdoc} * * @api */ public function load($resource, $locale, $domain = 'messages') { if (!stream_is_local($resource)) { throw new InvalidResourceException(sprintf('This is not a local file "%s".', $resource)); } if (!file_exists($resource)) { throw new NotFoundResourceException(sprintf('File "%s" not found.', $resource)); } list($xml, $encoding) = $this->parseFile($resource); $xml->registerXPathNamespace('xliff', 'urn:oasis:names:tc:xliff:document:1.2'); $catalogue = new MessageCatalogue($locale); foreach ($xml->xpath('//xliff:trans-unit') as $translation) { $attributes = $translation->attributes(); if (!(isset($attributes['resname']) || isset($translation->source)) || !isset($translation->target)) { continue; } $source = isset($attributes['resname']) && $attributes['resname'] ? $attributes['resname'] : $translation->source; $target = (string) $translation->target; // If the xlf file has another encoding specified, try to convert it because // simple_xml will always return utf-8 encoded values if ('UTF-8' !== $encoding && !empty($encoding)) { if (function_exists('mb_convert_encoding')) { $target = mb_convert_encoding($target, $encoding, 'UTF-8'); } elseif (function_exists('iconv')) { $target = iconv('UTF-8', $encoding, $target); } else { throw new \RuntimeException('No suitable convert encoding function (use UTF-8 as your encoding or install the iconv or mbstring extension).'); } } $catalogue->set((string) $source, $target, $domain); } $catalogue->addResource(new FileResource($resource)); return $catalogue; } /** * Validates and parses the given file into a SimpleXMLElement * * @param string $file * * @throws \RuntimeException * * @return \SimpleXMLElement * * @throws InvalidResourceException */ private function parseFile($file) { try { $dom = XmlUtils::loadFile($file); } catch (\InvalidArgumentException $e) { throw new InvalidResourceException(sprintf('Unable to load "%s": %s', $file, $e->getMessage()), $e->getCode(), $e); } $internalErrors = libxml_use_internal_errors(true); $location = str_replace('\\', '/', __DIR__).'/schema/dic/xliff-core/xml.xsd'; $parts = explode('/', $location); if (0 === stripos($location, 'phar://')) { $tmpfile = tempnam(sys_get_temp_dir(), 'sf2'); if ($tmpfile) { copy($location, $tmpfile); $parts = explode('/', str_replace('\\', '/', $tmpfile)); } } $drive = '\\' === DIRECTORY_SEPARATOR ? array_shift($parts).'/' : ''; $location = 'file:///'.$drive.implode('/', array_map('rawurlencode', $parts)); $source = file_get_contents(__DIR__.'/schema/dic/xliff-core/xliff-core-1.2-strict.xsd'); $source = str_replace('http://www.w3.org/2001/xml.xsd', $location, $source); if (!@$dom->schemaValidateSource($source)) { throw new InvalidResourceException(implode("\n", $this->getXmlErrors($internalErrors))); } $dom->normalizeDocument(); libxml_use_internal_errors($internalErrors); return array(simplexml_import_dom($dom), strtoupper($dom->encoding)); } /** * Returns the XML errors of the internal XML parser * * @param Boolean $internalErrors * * @return array An array of errors */ private function getXmlErrors($internalErrors) { $errors = array(); foreach (libxml_get_errors() as $error) { $errors[] = sprintf('[%s %s] %s (in %s - line %d, column %d)', LIBXML_ERR_WARNING == $error->level ? 'WARNING' : 'ERROR', $error->code, trim($error->message), $error->file ? $error->file : 'n/a', $error->line, $error->column ); } libxml_clear_errors(); libxml_use_internal_errors($internalErrors); return $errors; } }