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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\Dumper;

use Symfony\Component\Translation\MessageCatalogue;

/**
 * XliffFileDumper generates xliff files from a message catalogue.
 *
 * @author Michel Salib <michelsalib@hotmail.com>
 */
class XliffFileDumper extends FileDumper
{
    /**
     * {@inheritdoc}
     */
    protected function format(MessageCatalogue $messages, $domain)
    {
        $dom = new \DOMDocument('1.0', 'utf-8');
        $dom->formatOutput = true;

$xliff = $dom->appendChild($dom->createElement('xliff'));
        $xliff->setAttribute('version', '1.2');
        $xliff->setAttribute('xmlns', 'urn:oasis:names:tc:xliff:document:1.2');

$xliffFile = $xliff->appendChild($dom->createElement('file'));
        $xliffFile->setAttribute('source-language', $messages->getLocale());
        $xliffFile->setAttribute('datatype', 'plaintext');
        $xliffFile->setAttribute('original', 'file.ext');

$xliffBody = $xliffFile->appendChild($dom->createElement('body'));
        foreach ($messages->all($domain) as $source => $target) {
            $translation = $dom->createElement('trans-unit');

$translation->setAttribute('id', md5($source));
            $translation->setAttribute('resname', $source);

$s = $translation->appendChild($dom->createElement('source'));
            $s->appendChild($dom->createTextNode($source));

// Does the target contain characters requiring a CDATA section?
            $text = 1 === preg_match('/[&<>]/', $target) ? $dom->createCDATASection($target) : $dom->createTextNode($target);

$t = $translation->appendChild($dom->createElement('target'));
            $t->appendChild($text);

$xliffBody->appendChild($translation);
        }

return $dom->saveXML();
    }

/**
     * {@inheritdoc}
     */
    protected function getExtension()
    {
        return 'xlf';
    }
}

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