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@0: use Symfony\Component\Translation\MessageCatalogue;
Chris@0: 
Chris@0: /**
Chris@0:  * IcuResDumper generates an ICU ResourceBundle formatted string representation of a message catalogue.
Chris@0:  *
Chris@0:  * @author Stealth35
Chris@0:  */
Chris@0: class IcuResFileDumper extends FileDumper
Chris@0: {
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     protected $relativePathTemplate = '%domain%/%locale%.%extension%';
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@17:     public function formatCatalogue(MessageCatalogue $messages, $domain, array $options = [])
Chris@0:     {
Chris@0:         $data = $indexes = $resources = '';
Chris@0: 
Chris@0:         foreach ($messages->all($domain) as $source => $target) {
Chris@17:             $indexes .= pack('v', \strlen($data) + 28);
Chris@0:             $data .= $source."\0";
Chris@0:         }
Chris@0: 
Chris@0:         $data .= $this->writePadding($data);
Chris@0: 
Chris@0:         $keyTop = $this->getPosition($data);
Chris@0: 
Chris@0:         foreach ($messages->all($domain) as $source => $target) {
Chris@0:             $resources .= pack('V', $this->getPosition($data));
Chris@0: 
Chris@17:             $data .= pack('V', \strlen($target))
Chris@0:                 .mb_convert_encoding($target."\0", 'UTF-16LE', 'UTF-8')
Chris@0:                 .$this->writePadding($data)
Chris@0:                   ;
Chris@0:         }
Chris@0: 
Chris@0:         $resOffset = $this->getPosition($data);
Chris@0: 
Chris@17:         $data .= pack('v', \count($messages->all($domain)))
Chris@0:             .$indexes
Chris@0:             .$this->writePadding($data)
Chris@0:             .$resources
Chris@0:               ;
Chris@0: 
Chris@0:         $bundleTop = $this->getPosition($data);
Chris@0: 
Chris@0:         $root = pack('V7',
Chris@0:             $resOffset + (2 << 28), // Resource Offset + Resource Type
Chris@0:             6,                      // Index length
Chris@12:             $keyTop,                        // Index keys top
Chris@12:             $bundleTop,                     // Index resources top
Chris@12:             $bundleTop,                     // Index bundle top
Chris@17:             \count($messages->all($domain)), // Index max table length
Chris@12:             0                               // Index attributes
Chris@0:         );
Chris@0: 
Chris@0:         $header = pack('vC2v4C12@32',
Chris@0:             32,                     // Header size
Chris@0:             0xDA, 0x27,             // Magic number 1 and 2
Chris@0:             20, 0, 0, 2,            // Rest of the header, ..., Size of a char
Chris@0:             0x52, 0x65, 0x73, 0x42, // Data format identifier
Chris@0:             1, 2, 0, 0,             // Data version
Chris@0:             1, 4, 0, 0              // Unicode version
Chris@0:         );
Chris@0: 
Chris@0:         return $header.$root.$data;
Chris@0:     }
Chris@0: 
Chris@0:     private function writePadding($data)
Chris@0:     {
Chris@17:         $padding = \strlen($data) % 4;
Chris@0: 
Chris@0:         if ($padding) {
Chris@0:             return str_repeat("\xAA", 4 - $padding);
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     private function getPosition($data)
Chris@0:     {
Chris@17:         return (\strlen($data) + 28) / 4;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     protected function getExtension()
Chris@0:     {
Chris@0:         return 'res';
Chris@0:     }
Chris@0: }