<?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\Bundle\FrameworkBundle\Translation;
use Psr\Container\ContainerInterface;
use Symfony\Component\DependencyInjection\ContainerInterface as SymfonyContainerInterface;
use Symfony\Component\HttpKernel\CacheWarmer\WarmableInterface;
use Symfony\Component\Translation\Translator as BaseTranslator;
use Symfony\Component\Translation\Exception\InvalidArgumentException;
use Symfony\Component\Translation\Formatter\MessageFormatterInterface;
/**
* Translator.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Translator extends BaseTranslator implements WarmableInterface
{
protected $container;
protected $loaderIds;
protected $options = array(
'cache_dir' => null,
'debug' => false,
'resource_files' => array(),
);
/**
* @var array
*/
private $resourceLocales;
/**
* Holds parameters from addResource() calls so we can defer the actual
* parent::addResource() calls until initialize() is executed.
*
* @var array
*/
private $resources = array();
/**
* Constructor.
*
* Available options:
*
* * cache_dir: The cache directory (or null to disable caching)
* * debug: Whether to enable debugging or not (false by default)
* * resource_files: List of translation resources available grouped by locale.
*
* @param ContainerInterface $container A ContainerInterface instance
* @param MessageFormatterInterface $formatter The message formatter
* @param string $defaultLocale
* @param array $loaderIds An array of loader Ids
* @param array $options An array of options
*
* @throws InvalidArgumentException
*/
public function __construct(ContainerInterface $container, $formatter, $defaultLocale = null, array $loaderIds = array(), array $options = array())
{
// BC 3.x, to be removed in 4.0 along with the $defaultLocale default value
if (is_array($defaultLocale) || 3 > func_num_args()) {
if (!$container instanceof SymfonyContainerInterface) {
throw new \InvalidArgumentException('Missing third $defaultLocale argument.');
}
$options = $loaderIds;
$loaderIds = $defaultLocale;
$defaultLocale = $container->getParameter('kernel.default_locale');
@trigger_error(sprintf('Method %s() takes the default locale as 3rd argument since Symfony 3.3. Not passing it is deprecated and will trigger an error in 4.0.', __METHOD__), E_USER_DEPRECATED);
}
$this->container = $container;
$this->loaderIds = $loaderIds;
// check option names
if ($diff = array_diff(array_keys($options), array_keys($this->options))) {
throw new InvalidArgumentException(sprintf('The Translator does not support the following options: \'%s\'.', implode('\', \'', $diff)));
}
$this->options = array_merge($this->options, $options);
$this->resourceLocales = array_keys($this->options['resource_files']);
$this->addResourceFiles($this->options['resource_files']);
parent::__construct($defaultLocale, $formatter, $this->options['cache_dir'], $this->options['debug']);
}
/**
* {@inheritdoc}
*/
public function warmUp($cacheDir)
{
// skip warmUp when translator doesn't use cache
if (null === $this->options['cache_dir']) {
return;
}
$locales = array_merge($this->getFallbackLocales(), array($this->getLocale()), $this->resourceLocales);
foreach (array_unique($locales) as $locale) {
// reset catalogue in case it's already loaded during the dump of the other locales.
if (isset($this->catalogues[$locale])) {
unset($this->catalogues[$locale]);
}
$this->loadCatalogue($locale);
}
}
public function addResource($format, $resource, $locale, $domain = null)
{
$this->resources[] = array($format, $resource, $locale, $domain);
}
/**
* {@inheritdoc}
*/
protected function initializeCatalogue($locale)
{
$this->initialize();
parent::initializeCatalogue($locale);
}
protected function initialize()
{
foreach ($this->resources as $key => $params) {
list($format, $resource, $locale, $domain) = $params;
parent::addResource($format, $resource, $locale, $domain);
}
$this->resources = array();
foreach ($this->loaderIds as $id => $aliases) {
foreach ($aliases as $alias) {
$this->addLoader($alias, $this->container->get($id));
}
}
}
private function addResourceFiles($filesByLocale)
{
foreach ($filesByLocale as $locale => $files) {
foreach ($files as $key => $file) {
// filename is domain.locale.format
list($domain, $locale, $format) = explode('.', basename($file), 3);
$this->addResource($format, $file, $locale, $domain);
}
}
}
}