Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\Translation\Dumper;
Chris@0: 
Chris@17: use Symfony\Component\Translation\Loader\MoFileLoader;
Chris@0: use Symfony\Component\Translation\MessageCatalogue;
Chris@0: 
Chris@0: /**
Chris@0:  * MoFileDumper generates a gettext formatted string representation of a message catalogue.
Chris@0:  *
Chris@0:  * @author Stealth35
Chris@0:  */
Chris@0: class MoFileDumper extends FileDumper
Chris@0: {
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@17:     public function formatCatalogue(MessageCatalogue $messages, $domain, array $options = [])
Chris@0:     {
Chris@0:         $sources = $targets = $sourceOffsets = $targetOffsets = '';
Chris@17:         $offsets = [];
Chris@0:         $size = 0;
Chris@0: 
Chris@0:         foreach ($messages->all($domain) as $source => $target) {
Chris@17:             $offsets[] = array_map('strlen', [$sources, $source, $targets, $target]);
Chris@0:             $sources .= "\0".$source;
Chris@0:             $targets .= "\0".$target;
Chris@0:             ++$size;
Chris@0:         }
Chris@0: 
Chris@17:         $header = [
Chris@0:             'magicNumber' => MoFileLoader::MO_LITTLE_ENDIAN_MAGIC,
Chris@0:             'formatRevision' => 0,
Chris@0:             'count' => $size,
Chris@0:             'offsetId' => MoFileLoader::MO_HEADER_SIZE,
Chris@0:             'offsetTranslated' => MoFileLoader::MO_HEADER_SIZE + (8 * $size),
Chris@0:             'sizeHashes' => 0,
Chris@0:             'offsetHashes' => MoFileLoader::MO_HEADER_SIZE + (16 * $size),
Chris@17:         ];
Chris@0: 
Chris@17:         $sourcesSize = \strlen($sources);
Chris@0:         $sourcesStart = $header['offsetHashes'] + 1;
Chris@0: 
Chris@0:         foreach ($offsets as $offset) {
Chris@0:             $sourceOffsets .= $this->writeLong($offset[1])
Chris@0:                           .$this->writeLong($offset[0] + $sourcesStart);
Chris@0:             $targetOffsets .= $this->writeLong($offset[3])
Chris@0:                           .$this->writeLong($offset[2] + $sourcesStart + $sourcesSize);
Chris@0:         }
Chris@0: 
Chris@17:         $output = implode('', array_map([$this, 'writeLong'], $header))
Chris@0:                .$sourceOffsets
Chris@0:                .$targetOffsets
Chris@0:                .$sources
Chris@0:                .$targets
Chris@0:                 ;
Chris@0: 
Chris@0:         return $output;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     protected function getExtension()
Chris@0:     {
Chris@0:         return 'mo';
Chris@0:     }
Chris@0: 
Chris@0:     private function writeLong($str)
Chris@0:     {
Chris@0:         return pack('V*', $str);
Chris@0:     }
Chris@0: }