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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\Intl;
use Symfony\Component\Intl\Data\Bundle\Reader\BufferedBundleReader;
use Symfony\Component\Intl\Data\Bundle\Reader\BundleEntryReader;
use Symfony\Component\Intl\Data\Bundle\Reader\BundleEntryReaderInterface;
use Symfony\Component\Intl\Data\Bundle\Reader\JsonBundleReader;
use Symfony\Component\Intl\Data\Provider\LocaleDataProvider;
use Symfony\Component\Intl\Data\Provider\ScriptDataProvider;
use Symfony\Component\Intl\ResourceBundle\CurrencyBundle;
use Symfony\Component\Intl\ResourceBundle\CurrencyBundleInterface;
use Symfony\Component\Intl\ResourceBundle\LanguageBundle;
use Symfony\Component\Intl\ResourceBundle\LanguageBundleInterface;
use Symfony\Component\Intl\ResourceBundle\LocaleBundle;
use Symfony\Component\Intl\ResourceBundle\LocaleBundleInterface;
use Symfony\Component\Intl\ResourceBundle\RegionBundle;
use Symfony\Component\Intl\ResourceBundle\RegionBundleInterface;
/**
* Gives access to internationalization data.
*
* @author Bernhard Schussek <bschussek@gmail.com>
*/
final class Intl
{
/**
* The number of resource bundles to buffer. Loading the same resource
* bundle for n locales takes up n spots in the buffer.
*/
const BUFFER_SIZE = 10;
/**
* The directory name of the currency data.
*/
const CURRENCY_DIR = 'currencies';
/**
* The directory name of the language data.
*/
const LANGUAGE_DIR = 'languages';
/**
* The directory name of the script data.
*/
const SCRIPT_DIR = 'scripts';
/**
* The directory name of the locale data.
*/
const LOCALE_DIR = 'locales';
/**
* The directory name of the region data.
*/
const REGION_DIR = 'regions';
/**
* The directory name of the zone data.
*/
public const TIMEZONE_DIR = 'timezones';
/**
* @var ResourceBundle\CurrencyBundleInterface
*/
private static $currencyBundle;
/**
* @var ResourceBundle\LanguageBundleInterface
*/
private static $languageBundle;
/**
* @var ResourceBundle\LocaleBundleInterface
*/
private static $localeBundle;
/**
* @var ResourceBundle\RegionBundleInterface
*/
private static $regionBundle;
/**
* @var string|bool|null
*/
private static $icuVersion = false;
/**
* @var string
*/
private static $icuDataVersion = false;
/**
* @var BundleEntryReaderInterface
*/
private static $entryReader;
/**
* Returns whether the intl extension is installed.
*
* @return bool Returns true if the intl extension is installed, false otherwise
*/
public static function isExtensionLoaded()
{
return class_exists('\ResourceBundle');
}
/**
* Returns the bundle containing currency information.
*
* @return CurrencyBundleInterface The currency resource bundle
*
* @deprecated since Symfony 4.3, to be removed in 5.0. Use {@see Currencies} instead.
*/
public static function getCurrencyBundle()
{
@trigger_error(sprintf('The method "%s()" is deprecated since Symfony 4.3, use "%s" instead.', __METHOD__, Currencies::class), E_USER_DEPRECATED);
if (null === self::$currencyBundle) {
self::$currencyBundle = new CurrencyBundle(
self::getDataDirectory().'/'.self::CURRENCY_DIR,
self::getEntryReader(),
self::$localeBundle ?? self::$localeBundle = new LocaleBundle(self::getDataDirectory().'/'.self::LOCALE_DIR, self::getEntryReader())
);
}
return self::$currencyBundle;
}
/**
* Returns the bundle containing language information.
*
* @return LanguageBundleInterface The language resource bundle
*
* @deprecated since Symfony 4.3, to be removed in 5.0. Use {@see Languages} or {@see Scripts} instead.
*/
public static function getLanguageBundle()
{
@trigger_error(sprintf('The method "%s()" is deprecated since Symfony 4.3, use "%s" or "%s" instead.', __METHOD__, Languages::class, Scripts::class), E_USER_DEPRECATED);
if (null === self::$languageBundle) {
self::$languageBundle = new LanguageBundle(
self::getDataDirectory().'/'.self::LANGUAGE_DIR,
self::getEntryReader(),
self::$localeBundle ?? self::$localeBundle = new LocaleBundle(self::getDataDirectory().'/'.self::LOCALE_DIR, self::getEntryReader()),
new ScriptDataProvider(
self::getDataDirectory().'/'.self::SCRIPT_DIR,
self::getEntryReader()
)
);
}
return self::$languageBundle;
}
/**
* Returns the bundle containing locale information.
*
* @return LocaleBundleInterface The locale resource bundle
*
* @deprecated since Symfony 4.3, to be removed in 5.0. Use {@see Locales} instead.
*/
public static function getLocaleBundle()
{
@trigger_error(sprintf('The method "%s()" is deprecated since Symfony 4.3, use "%s" instead.', __METHOD__, Locales::class), E_USER_DEPRECATED);
if (null === self::$localeBundle) {
self::$localeBundle = new LocaleBundle(
self::getDataDirectory().'/'.self::LOCALE_DIR,
self::getEntryReader()
);
}
return self::$localeBundle;
}
/**
* Returns the bundle containing region information.
*
* @return RegionBundleInterface The region resource bundle
*
* @deprecated since Symfony 4.3, to be removed in 5.0. Use {@see Countries} instead.
*/
public static function getRegionBundle()
{
@trigger_error(sprintf('The method "%s()" is deprecated since Symfony 4.3, use "%s" instead.', __METHOD__, Countries::class), E_USER_DEPRECATED);
if (null === self::$regionBundle) {
self::$regionBundle = new RegionBundle(
self::getDataDirectory().'/'.self::REGION_DIR,
self::getEntryReader(),
self::$localeBundle ?? self::$localeBundle = new LocaleBundle(self::getDataDirectory().'/'.self::LOCALE_DIR, self::getEntryReader())
);
}
return self::$regionBundle;
}
/**
* Returns the version of the installed ICU library.
*
* @return string|null The ICU version or NULL if it could not be determined
*/
public static function getIcuVersion()
{
if (false === self::$icuVersion) {
if (!self::isExtensionLoaded()) {
self::$icuVersion = self::getIcuStubVersion();
} elseif (\defined('INTL_ICU_VERSION')) {
self::$icuVersion = INTL_ICU_VERSION;
} else {
try {
$reflector = new \ReflectionExtension('intl');
ob_start();
$reflector->info();
$output = strip_tags(ob_get_clean());
preg_match('/^ICU version (?:=>)?(.*)$/m', $output, $matches);
self::$icuVersion = trim($matches[1]);
} catch (\ReflectionException $e) {
self::$icuVersion = null;
}
}
}
return self::$icuVersion;
}
/**
* Returns the version of the installed ICU data.
*
* @return string The version of the installed ICU data
*/
public static function getIcuDataVersion()
{
if (false === self::$icuDataVersion) {
self::$icuDataVersion = trim(file_get_contents(self::getDataDirectory().'/version.txt'));
}
return self::$icuDataVersion;
}
/**
* Returns the ICU version that the stub classes mimic.
*
* @return string The ICU version of the stub classes
*/
public static function getIcuStubVersion()
{
return '64.2';
}
/**
* Returns the absolute path to the data directory.
*
* @return string The absolute path to the data directory
*/
public static function getDataDirectory()
{
return __DIR__.'/Resources/data';
}
/**
* Returns the cached bundle entry reader.
*
* @return BundleEntryReaderInterface The bundle entry reader
*/
private static function getEntryReader()
{
if (null === self::$entryReader) {
self::$entryReader = new BundleEntryReader(new BufferedBundleReader(
new JsonBundleReader(),
self::BUFFER_SIZE
));
$localeDataProvider = new LocaleDataProvider(
self::getDataDirectory().'/'.self::LOCALE_DIR,
self::$entryReader
);
self::$entryReader->setLocaleAliases($localeDataProvider->getAliases());
}
return self::$entryReader;
}
/**
* This class must not be instantiated.
*/
private function __construct()
{
}
}
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