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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 implements DumperInterface
{
/**
* {@inheritDoc}
*/
public function dump(MessageCatalogue $messages, $options = array())
{
if (!array_key_exists('path', $options)) {
throw new \InvalidArgumentException('The file dumper need a path options.');
}
// save a file for each domain
foreach ($messages->getDomains() as $domain) {
$file = $messages->getLocale().'.'.$this->getExtension();
$path = $options['path'].'/'.$domain.'/';
if (!file_exists($path)) {
mkdir($path);
}
// backup
if (file_exists($path.$file)) {
copy($path.$file, $path.$file.'~');
}
// save file
file_put_contents($path.$file, $this->format($messages, $domain));
}
}
/**
* {@inheritDoc}
*/
public function format(MessageCatalogue $messages, $domain = 'messages')
{
$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))
. $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), // 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
);
$output = $header
. $root
. $data;
return $output;
}
private function writePadding($data)
{
$padding = strlen($data) % 4;
if ($padding) {
return str_repeat("\xAA", 4 - $padding);
}
}
private function getPosition($data)
{
$position = (strlen($data) + 28) / 4;
return $position;
}
/**
* {@inheritDoc}
*/
protected function getExtension()
{
return 'res';
}
}
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