forked from GNUsocial/gnu-social
442 lines
12 KiB
PHP
442 lines
12 KiB
PHP
<?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;
|
|
|
|
use Symfony\Component\Translation\Loader\LoaderInterface;
|
|
use Symfony\Component\Translation\Exception\NotFoundResourceException;
|
|
use Symfony\Component\Config\ConfigCacheInterface;
|
|
use Symfony\Component\Config\ConfigCacheFactoryInterface;
|
|
use Symfony\Component\Config\ConfigCacheFactory;
|
|
|
|
/**
|
|
* Translator.
|
|
*
|
|
* @author Fabien Potencier <fabien@symfony.com>
|
|
*/
|
|
class Translator implements TranslatorInterface, TranslatorBagInterface
|
|
{
|
|
/**
|
|
* @var MessageCatalogueInterface[]
|
|
*/
|
|
protected $catalogues = array();
|
|
|
|
/**
|
|
* @var string
|
|
*/
|
|
private $locale;
|
|
|
|
/**
|
|
* @var array
|
|
*/
|
|
private $fallbackLocales = array();
|
|
|
|
/**
|
|
* @var LoaderInterface[]
|
|
*/
|
|
private $loaders = array();
|
|
|
|
/**
|
|
* @var array
|
|
*/
|
|
private $resources = array();
|
|
|
|
/**
|
|
* @var MessageSelector
|
|
*/
|
|
private $selector;
|
|
|
|
/**
|
|
* @var string
|
|
*/
|
|
private $cacheDir;
|
|
|
|
/**
|
|
* @var bool
|
|
*/
|
|
private $debug;
|
|
|
|
/**
|
|
* @var ConfigCacheFactoryInterface|null
|
|
*/
|
|
private $configCacheFactory;
|
|
|
|
/**
|
|
* Constructor.
|
|
*
|
|
* @param string $locale The locale
|
|
* @param MessageSelector|null $selector The message selector for pluralization
|
|
* @param string|null $cacheDir The directory to use for the cache
|
|
* @param bool $debug Use cache in debug mode ?
|
|
*
|
|
* @throws \InvalidArgumentException If a locale contains invalid characters
|
|
*/
|
|
public function __construct($locale, MessageSelector $selector = null, $cacheDir = null, $debug = false)
|
|
{
|
|
$this->setLocale($locale);
|
|
$this->selector = $selector ?: new MessageSelector();
|
|
$this->cacheDir = $cacheDir;
|
|
$this->debug = $debug;
|
|
}
|
|
|
|
/**
|
|
* Sets the ConfigCache factory to use.
|
|
*
|
|
* @param ConfigCacheFactoryInterface $configCacheFactory
|
|
*/
|
|
public function setConfigCacheFactory(ConfigCacheFactoryInterface $configCacheFactory)
|
|
{
|
|
$this->configCacheFactory = $configCacheFactory;
|
|
}
|
|
|
|
/**
|
|
* Adds a Loader.
|
|
*
|
|
* @param string $format The name of the loader (@see addResource())
|
|
* @param LoaderInterface $loader A LoaderInterface instance
|
|
*/
|
|
public function addLoader($format, LoaderInterface $loader)
|
|
{
|
|
$this->loaders[$format] = $loader;
|
|
}
|
|
|
|
/**
|
|
* Adds a Resource.
|
|
*
|
|
* @param string $format The name of the loader (@see addLoader())
|
|
* @param mixed $resource The resource name
|
|
* @param string $locale The locale
|
|
* @param string $domain The domain
|
|
*
|
|
* @throws \InvalidArgumentException If the locale contains invalid characters
|
|
*/
|
|
public function addResource($format, $resource, $locale, $domain = null)
|
|
{
|
|
if (null === $domain) {
|
|
$domain = 'messages';
|
|
}
|
|
|
|
$this->assertValidLocale($locale);
|
|
|
|
$this->resources[$locale][] = array($format, $resource, $domain);
|
|
|
|
if (in_array($locale, $this->fallbackLocales)) {
|
|
$this->catalogues = array();
|
|
} else {
|
|
unset($this->catalogues[$locale]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function setLocale($locale)
|
|
{
|
|
$this->assertValidLocale($locale);
|
|
$this->locale = $locale;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function getLocale()
|
|
{
|
|
return $this->locale;
|
|
}
|
|
|
|
/**
|
|
* Sets the fallback locales.
|
|
*
|
|
* @param array $locales The fallback locales
|
|
*
|
|
* @throws \InvalidArgumentException If a locale contains invalid characters
|
|
*/
|
|
public function setFallbackLocales(array $locales)
|
|
{
|
|
// needed as the fallback locales are linked to the already loaded catalogues
|
|
$this->catalogues = array();
|
|
|
|
foreach ($locales as $locale) {
|
|
$this->assertValidLocale($locale);
|
|
}
|
|
|
|
$this->fallbackLocales = $locales;
|
|
}
|
|
|
|
/**
|
|
* Gets the fallback locales.
|
|
*
|
|
* @return array $locales The fallback locales
|
|
*/
|
|
public function getFallbackLocales()
|
|
{
|
|
return $this->fallbackLocales;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function trans($id, array $parameters = array(), $domain = null, $locale = null)
|
|
{
|
|
if (null === $domain) {
|
|
$domain = 'messages';
|
|
}
|
|
|
|
return strtr($this->getCatalogue($locale)->get((string) $id, $domain), $parameters);
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function transChoice($id, $number, array $parameters = array(), $domain = null, $locale = null)
|
|
{
|
|
if (null === $domain) {
|
|
$domain = 'messages';
|
|
}
|
|
|
|
$id = (string) $id;
|
|
$catalogue = $this->getCatalogue($locale);
|
|
$locale = $catalogue->getLocale();
|
|
while (!$catalogue->defines($id, $domain)) {
|
|
if ($cat = $catalogue->getFallbackCatalogue()) {
|
|
$catalogue = $cat;
|
|
$locale = $catalogue->getLocale();
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
|
|
return strtr($this->selector->choose($catalogue->get($id, $domain), (int) $number, $locale), $parameters);
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function getCatalogue($locale = null)
|
|
{
|
|
if (null === $locale) {
|
|
$locale = $this->getLocale();
|
|
} else {
|
|
$this->assertValidLocale($locale);
|
|
}
|
|
|
|
if (!isset($this->catalogues[$locale])) {
|
|
$this->loadCatalogue($locale);
|
|
}
|
|
|
|
return $this->catalogues[$locale];
|
|
}
|
|
|
|
/**
|
|
* Gets the loaders.
|
|
*
|
|
* @return array LoaderInterface[]
|
|
*/
|
|
protected function getLoaders()
|
|
{
|
|
return $this->loaders;
|
|
}
|
|
|
|
/**
|
|
* @param string $locale
|
|
*/
|
|
protected function loadCatalogue($locale)
|
|
{
|
|
if (null === $this->cacheDir) {
|
|
$this->initializeCatalogue($locale);
|
|
} else {
|
|
$this->initializeCacheCatalogue($locale);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param string $locale
|
|
*/
|
|
protected function initializeCatalogue($locale)
|
|
{
|
|
$this->assertValidLocale($locale);
|
|
|
|
try {
|
|
$this->doLoadCatalogue($locale);
|
|
} catch (NotFoundResourceException $e) {
|
|
if (!$this->computeFallbackLocales($locale)) {
|
|
throw $e;
|
|
}
|
|
}
|
|
$this->loadFallbackCatalogues($locale);
|
|
}
|
|
|
|
/**
|
|
* @param string $locale
|
|
*/
|
|
private function initializeCacheCatalogue($locale)
|
|
{
|
|
if (isset($this->catalogues[$locale])) {
|
|
/* Catalogue already initialized. */
|
|
return;
|
|
}
|
|
|
|
$this->assertValidLocale($locale);
|
|
$cache = $this->getConfigCacheFactory()->cache($this->getCatalogueCachePath($locale),
|
|
function (ConfigCacheInterface $cache) use ($locale) {
|
|
$this->dumpCatalogue($locale, $cache);
|
|
}
|
|
);
|
|
|
|
if (isset($this->catalogues[$locale])) {
|
|
/* Catalogue has been initialized as it was written out to cache. */
|
|
return;
|
|
}
|
|
|
|
/* Read catalogue from cache. */
|
|
$this->catalogues[$locale] = include $cache->getPath();
|
|
}
|
|
|
|
private function dumpCatalogue($locale, ConfigCacheInterface $cache)
|
|
{
|
|
$this->initializeCatalogue($locale);
|
|
$fallbackContent = $this->getFallbackContent($this->catalogues[$locale]);
|
|
|
|
$content = sprintf(<<<EOF
|
|
<?php
|
|
|
|
use Symfony\Component\Translation\MessageCatalogue;
|
|
|
|
\$catalogue = new MessageCatalogue('%s', %s);
|
|
|
|
%s
|
|
return \$catalogue;
|
|
|
|
EOF
|
|
,
|
|
$locale,
|
|
var_export($this->catalogues[$locale]->all(), true),
|
|
$fallbackContent
|
|
);
|
|
|
|
$cache->write($content, $this->catalogues[$locale]->getResources());
|
|
}
|
|
|
|
private function getFallbackContent(MessageCatalogue $catalogue)
|
|
{
|
|
$fallbackContent = '';
|
|
$current = '';
|
|
$replacementPattern = '/[^a-z0-9_]/i';
|
|
$fallbackCatalogue = $catalogue->getFallbackCatalogue();
|
|
while ($fallbackCatalogue) {
|
|
$fallback = $fallbackCatalogue->getLocale();
|
|
$fallbackSuffix = ucfirst(preg_replace($replacementPattern, '_', $fallback));
|
|
$currentSuffix = ucfirst(preg_replace($replacementPattern, '_', $current));
|
|
|
|
$fallbackContent .= sprintf(<<<EOF
|
|
\$catalogue%s = new MessageCatalogue('%s', %s);
|
|
\$catalogue%s->addFallbackCatalogue(\$catalogue%s);
|
|
|
|
EOF
|
|
,
|
|
$fallbackSuffix,
|
|
$fallback,
|
|
var_export($fallbackCatalogue->all(), true),
|
|
$currentSuffix,
|
|
$fallbackSuffix
|
|
);
|
|
$current = $fallbackCatalogue->getLocale();
|
|
$fallbackCatalogue = $fallbackCatalogue->getFallbackCatalogue();
|
|
}
|
|
|
|
return $fallbackContent;
|
|
}
|
|
|
|
private function getCatalogueCachePath($locale)
|
|
{
|
|
return $this->cacheDir.'/catalogue.'.$locale.'.'.sha1(serialize($this->fallbackLocales)).'.php';
|
|
}
|
|
|
|
private function doLoadCatalogue($locale)
|
|
{
|
|
$this->catalogues[$locale] = new MessageCatalogue($locale);
|
|
|
|
if (isset($this->resources[$locale])) {
|
|
foreach ($this->resources[$locale] as $resource) {
|
|
if (!isset($this->loaders[$resource[0]])) {
|
|
throw new \RuntimeException(sprintf('The "%s" translation loader is not registered.', $resource[0]));
|
|
}
|
|
$this->catalogues[$locale]->addCatalogue($this->loaders[$resource[0]]->load($resource[1], $locale, $resource[2]));
|
|
}
|
|
}
|
|
}
|
|
|
|
private function loadFallbackCatalogues($locale)
|
|
{
|
|
$current = $this->catalogues[$locale];
|
|
|
|
foreach ($this->computeFallbackLocales($locale) as $fallback) {
|
|
if (!isset($this->catalogues[$fallback])) {
|
|
$this->doLoadCatalogue($fallback);
|
|
}
|
|
|
|
$fallbackCatalogue = new MessageCatalogue($fallback, $this->catalogues[$fallback]->all());
|
|
foreach ($this->catalogues[$fallback]->getResources() as $resource) {
|
|
$fallbackCatalogue->addResource($resource);
|
|
}
|
|
$current->addFallbackCatalogue($fallbackCatalogue);
|
|
$current = $fallbackCatalogue;
|
|
}
|
|
}
|
|
|
|
protected function computeFallbackLocales($locale)
|
|
{
|
|
$locales = array();
|
|
foreach ($this->fallbackLocales as $fallback) {
|
|
if ($fallback === $locale) {
|
|
continue;
|
|
}
|
|
|
|
$locales[] = $fallback;
|
|
}
|
|
|
|
if (strrchr($locale, '_') !== false) {
|
|
array_unshift($locales, substr($locale, 0, -strlen(strrchr($locale, '_'))));
|
|
}
|
|
|
|
return array_unique($locales);
|
|
}
|
|
|
|
/**
|
|
* Asserts that the locale is valid, throws an Exception if not.
|
|
*
|
|
* @param string $locale Locale to tests
|
|
*
|
|
* @throws \InvalidArgumentException If the locale contains invalid characters
|
|
*/
|
|
protected function assertValidLocale($locale)
|
|
{
|
|
if (1 !== preg_match('/^[a-z0-9@_\\.\\-]*$/i', $locale)) {
|
|
throw new \InvalidArgumentException(sprintf('Invalid "%s" locale.', $locale));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Provides the ConfigCache factory implementation, falling back to a
|
|
* default implementation if necessary.
|
|
*
|
|
* @return ConfigCacheFactoryInterface $configCacheFactory
|
|
*/
|
|
private function getConfigCacheFactory()
|
|
{
|
|
if (!$this->configCacheFactory) {
|
|
$this->configCacheFactory = new ConfigCacheFactory($this->debug);
|
|
}
|
|
|
|
return $this->configCacheFactory;
|
|
}
|
|
}
|