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XliffLoader.php
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XliffLoader.php
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<?php
/*
* Copyright 2011 Johannes M. Schmitt <schmittjoh@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
namespace JMS\TranslationBundle\Translation\Loader\Symfony;
use JMS\TranslationBundle\Exception\RuntimeException;
use Symfony\Component\Config\Resource\FileResource;
use Symfony\Component\Translation\MessageCatalogue;
use Symfony\Component\Translation\Loader\LoaderInterface;
/**
* XLIFF loader.
*
* This loader replaces Symfony's default loader which uses the source element
* as the id whereas this loader uses the resname to conform to the XLIFF
* specification.
*
* @author Johannes M. Schmitt <schmittjoh@gmail.com>
*/
class XliffLoader implements LoaderInterface
{
/**
* {@inheritdoc}
*/
public function load($resource, $locale, $domain = 'messages')
{
$previous = libxml_use_internal_errors(true);
if (false === $xml = simplexml_load_file($resource)) {
libxml_use_internal_errors($previous);
$error = libxml_get_last_error();
throw new RuntimeException(sprintf('An error occurred while reading "%s": %s', $resource, $error->message));
}
libxml_use_internal_errors($previous);
$xml->registerXPathNamespace('xliff', 'urn:oasis:names:tc:xliff:document:1.2');
$catalogue = new MessageCatalogue($locale);
foreach ($xml->xpath('//xliff:trans-unit') as $translation) {
$id = ($resName = (string) $translation->attributes()->resname)
? $resName : (string) $translation->source;
$catalogue->set($id, (string) $translation->target, $domain);
}
$catalogue->addResource(new FileResource($resource));
return $catalogue;
}
}