109 lines
3.3 KiB
PHP
109 lines
3.3 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Translation\Loader;
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use Symfony\Component\Translation\MessageCatalogue;
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use Symfony\Component\Config\Resource\FileResource;
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/**
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* XliffFileLoader loads translations from XLIFF files.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*
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* @api
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*/
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class XliffFileLoader implements LoaderInterface
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{
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/**
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* {@inheritdoc}
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*
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* @api
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*/
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public function load($resource, $locale, $domain = 'messages')
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{
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$xml = $this->parseFile($resource);
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$xml->registerXPathNamespace('xliff', 'urn:oasis:names:tc:xliff:document:1.2');
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$catalogue = new MessageCatalogue($locale);
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foreach ($xml->xpath('//xliff:trans-unit') as $translation) {
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$catalogue->set((string) $translation->source, (string) $translation->target, $domain);
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}
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$catalogue->addResource(new FileResource($resource));
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return $catalogue;
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}
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/**
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* Validates and parses the given file into a SimpleXMLElement
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*
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* @param string $file
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* @return SimpleXMLElement
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*/
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private function parseFile($file)
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{
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$dom = new \DOMDocument();
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$current = libxml_use_internal_errors(true);
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if (!@$dom->load($file, defined('LIBXML_COMPACT') ? LIBXML_COMPACT : 0)) {
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throw new \RuntimeException(implode("\n", $this->getXmlErrors()));
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}
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$location = str_replace('\\', '/', __DIR__).'/schema/dic/xliff-core/xml.xsd';
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$parts = explode('/', $location);
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if (0 === stripos($location, 'phar://')) {
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$tmpfile = tempnam(sys_get_temp_dir(), 'sf2');
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if ($tmpfile) {
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copy($location, $tmpfile);
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$parts = explode('/', str_replace('\\', '/', $tmpfile));
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}
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}
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$drive = '\\' === DIRECTORY_SEPARATOR ? array_shift($parts).'/' : '';
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$location = 'file:///'.$drive.implode('/', array_map('rawurlencode', $parts));
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$source = file_get_contents(__DIR__.'/schema/dic/xliff-core/xliff-core-1.2-strict.xsd');
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$source = str_replace('http://www.w3.org/2001/xml.xsd', $location, $source);
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if (!@$dom->schemaValidateSource($source)) {
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throw new \RuntimeException(implode("\n", $this->getXmlErrors()));
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}
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$dom->validateOnParse = true;
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$dom->normalizeDocument();
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libxml_use_internal_errors($current);
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return simplexml_import_dom($dom);
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}
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/**
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* Returns the XML errors of the internal XML parser
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*
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* @return array An array of errors
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*/
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private function getXmlErrors()
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{
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$errors = array();
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foreach (libxml_get_errors() as $error) {
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$errors[] = sprintf('[%s %s] %s (in %s - line %d, column %d)',
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LIBXML_ERR_WARNING == $error->level ? 'WARNING' : 'ERROR',
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$error->code,
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trim($error->message),
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$error->file ? $error->file : 'n/a',
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$error->line,
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$error->column
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);
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}
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libxml_clear_errors();
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libxml_use_internal_errors(false);
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return $errors;
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}
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}
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