Viewing file:  IcuResFileDumper.php (2.83 KB) -rw-r--r--
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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;
/**
* IcuResDumper generates an ICU ResourceBundle formatted string representation of a message catalogue.
*
* @author Stealth35
*/
class IcuResFileDumper extends FileDumper
{
protected $relativePathTemplate = '%domain%/%locale%.%extension%';
public function formatCatalogue(MessageCatalogue $messages, string $domain, array $options = []): string
{
$data = $indexes = $resources = '';
foreach ($messages->all($domain) as $source => $target) {
$indexes .= pack('v', \strlen($data) + 28);
$data .= $source."\0";
}
$data .= $this->writePadding($data);
$keyTop = $this->getPosition($data);
foreach ($messages->all($domain) as $source => $target) {
$resources .= pack('V', $this->getPosition($data));
$data .= pack('V', \strlen($target))
.mb_convert_encoding($target."\0", 'UTF-16LE', 'UTF-8')
.$this->writePadding($data)
;
}
$resOffset = $this->getPosition($data);
$data .= pack('v', \count($messages->all($domain)))
.$indexes
.$this->writePadding($data)
.$resources
;
$bundleTop = $this->getPosition($data);
$root = pack('V7',
$resOffset + (2 << 28), // Resource Offset + Resource Type
6, // Index length
$keyTop, // Index keys top
$bundleTop, // Index resources top
$bundleTop, // Index bundle top
\count($messages->all($domain)), // Index max table length
0 // Index attributes
);
$header = pack('vC2v4C12@32',
32, // Header size
0xDA, 0x27, // Magic number 1 and 2
20, 0, 0, 2, // Rest of the header, ..., Size of a char
0x52, 0x65, 0x73, 0x42, // Data format identifier
1, 2, 0, 0, // Data version
1, 4, 0, 0 // Unicode version
);
return $header.$root.$data;
}
private function writePadding(string $data): ?string
{
$padding = \strlen($data) % 4;
return $padding ? str_repeat("\xAA", 4 - $padding) : null;
}
private function getPosition(string $data): float|int
{
return (\strlen($data) + 28) / 4;
}
protected function getExtension(): string
{
return 'res';
}
}
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