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<?php
/**
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
namespace MediaWiki\Languages;
use BanConverter;
use CrhConverter;
use EnConverter;
use GanConverter;
use IuConverter;
use KuConverter;
use MediaWiki\Config\ServiceOptions;
use MediaWiki\Language\ILanguageConverter;
use MediaWiki\Language\Language;
use MediaWiki\MainConfigNames;
use MediaWiki\StubObject\StubUserLang;
use MniConverter;
use ShConverter;
use ShiConverter;
use SrConverter;
use TgConverter;
use TlyConverter;
use TrivialLanguageConverter;
use UzConverter;
use Wikimedia\ObjectFactory\ObjectFactory;
use WuuConverter;
use ZghConverter;
use ZhConverter;
/**
* An interface for creating language converters.
*
* @since 1.35
* @ingroup Language
*/
class LanguageConverterFactory {
/** @var ILanguageConverter[] */
private $cache = [];
/**
* @var array
*/
private $converterList = [
'ban' => [
'class' => BanConverter::class,
],
'crh' => [
'class' => CrhConverter::class,
],
'gan' => [
'class' => GanConverter::class,
],
'iu' => [
'class' => IuConverter::class,
],
'ku' => [
'class' => KuConverter::class,
],
'mni' => [
'class' => MniConverter::class,
],
'shi' => [
'class' => ShiConverter::class,
],
'sh' => [
'class' => ShConverter::class,
],
'sr' => [
'class' => SrConverter::class,
],
'tg' => [
'class' => TgConverter::class,
],
'tly' => [
'class' => TlyConverter::class,
],
'uz' => [
'class' => UzConverter::class,
],
'wuu' => [
'class' => WuuConverter::class,
],
'zgh' => [
'class' => ZghConverter::class,
],
'zh' => [
'class' => ZhConverter::class,
],
];
private const DEFAULT_CONVERTER = [
'class' => TrivialLanguageConverter::class,
'services' => [
'TitleFormatter',
]
];
private const EN_CONVERTER = [
'class' => EnConverter::class,
];
/**
* @internal For use by ServiceWiring
*/
public const CONSTRUCTOR_OPTIONS = [
MainConfigNames::UsePigLatinVariant,
MainConfigNames::DisableLangConversion,
MainConfigNames::DisableTitleConversion,
];
private ServiceOptions $options;
private ObjectFactory $objectFactory;
/**
* @var callable callback of "() : Language"
*/
private $defaultLanguage;
/**
* @param ServiceOptions $options
* @param ObjectFactory $objectFactory
* @param callable $defaultLanguage callback of "() : Language", should return
* default language. Used in getLanguageConverter when $language is null.
*
* @internal Should be called from MediaWikiServices only.
*/
public function __construct(
ServiceOptions $options,
ObjectFactory $objectFactory,
callable $defaultLanguage
) {
$options->assertRequiredOptions( self::CONSTRUCTOR_OPTIONS );
$this->options = $options;
$this->objectFactory = $objectFactory;
if ( $options->get( MainConfigNames::UsePigLatinVariant ) ) {
$this->converterList['en'] = self::EN_CONVERTER;
}
$this->defaultLanguage = $defaultLanguage;
}
/**
* Returns Converter instance for a given language object
*
* @param Language|StubUserLang $lang
* @return ILanguageConverter
*/
private function instantiateConverter( $lang ): ILanguageConverter {
$code = mb_strtolower( $lang->getCode() );
$spec = $this->converterList[$code] ?? self::DEFAULT_CONVERTER;
// ObjectFactory::createObject accepts an array, not just a callable (phan bug)
// @phan-suppress-next-line PhanTypeInvalidCallableArrayKey, PhanTypeInvalidCallableArraySize
return $this->objectFactory->createObject(
$spec,
[
'assertClass' => ILanguageConverter::class,
'extraArgs' => [ $lang ],
]
);
}
/**
* Provide a LanguageConverter for given language
*
* @param Language|StubUserLang|null $language for which a LanguageConverter should be provided.
* If it is null, then the LanguageConverter provided for current content language as returned
* by the callback provided to the constructor.
*
* @return ILanguageConverter
*/
public function getLanguageConverter( $language = null ): ILanguageConverter {
$lang = $language ?? ( $this->defaultLanguage )();
if ( isset( $this->cache[$lang->getCode()] ) ) {
return $this->cache[$lang->getCode()];
}
// @phan-suppress-next-line PhanTypeMismatchArgumentNullable False positive
$converter = $this->instantiateConverter( $lang );
$this->cache[$lang->getCode()] = $converter;
return $converter;
}
/**
* Whether to disable language variant conversion.
*
* @return bool
*/
public function isConversionDisabled() {
return $this->options->get( MainConfigNames::DisableLangConversion );
}
/**
* Whether to disable language variant conversion for links.
*
* @return bool
*/
public function isLinkConversionDisabled() {
return $this->options->get( MainConfigNames::DisableLangConversion ) ||
// Note that this configuration option is misnamed.
$this->options->get( MainConfigNames::DisableTitleConversion );
}
}
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