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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\Translation\MessageCatalogue;
use Symfony\Component\Translation\Exception\InvalidResourceException;
use Symfony\Component\Translation\Exception\NotFoundResourceException;
use Symfony\Component\Config\Resource\FileResource;
/**
* QtFileLoader loads translations from QT Translations XML files.
*
* @author Benjamin Eberlei <kontakt@beberlei.de>
*
* @api
*/
class QtFileLoader 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));
}
$dom = new \DOMDocument();
$current = libxml_use_internal_errors(true);
if (!@$dom->load($resource, defined('LIBXML_COMPACT') ? LIBXML_COMPACT : 0)) {
throw new InvalidResourceException(implode("\n", $this->getXmlErrors()));
}
$xpath = new \DOMXPath($dom);
$nodes = $xpath->evaluate('//TS/context/name[text()="'.$domain.'"]');
$catalogue = new MessageCatalogue($locale);
if ($nodes->length == 1) {
$translations = $nodes->item(0)->nextSibling->parentNode->parentNode->getElementsByTagName('message');
foreach ($translations as $translation) {
$catalogue->set(
(string) $translation->getElementsByTagName('source')->item(0)->nodeValue,
(string) $translation->getElementsByTagName('translation')->item(0)->nodeValue,
$domain
);
$translation = $translation->nextSibling;
}
$catalogue->addResource(new FileResource($resource));
}
libxml_use_internal_errors($current);
return $catalogue;
}
/**
* Returns the XML errors of the internal XML parser
*
* @return array An array of errors
*/
private function getXmlErrors()
{
$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(false);
return $errors;
}
}
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