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- <?php
- declare(strict_types=1);
- namespace OC\L10N;
- use OCP\IConfig;
- use OCP\IUser;
- use OCP\L10N\ILanguageIterator;
- class LanguageIterator implements ILanguageIterator {
- private $i = 0;
-
- private $config;
-
- private $user;
- public function __construct(IUser $user, IConfig $config) {
- $this->config = $config;
- $this->user = $user;
- }
-
- public function rewind(): void {
- $this->i = 0;
- }
-
- public function current(): string {
- switch ($this->i) {
-
- case 0:
- $forcedLang = $this->config->getSystemValue('force_language', false);
- if (is_string($forcedLang)) {
- return $forcedLang;
- }
- $this->next();
-
-
- case 1:
- $forcedLang = $this->config->getSystemValue('force_language', false);
- if (is_string($forcedLang)
- && ($truncated = $this->getTruncatedLanguage($forcedLang)) !== $forcedLang
- ) {
- return $truncated;
- }
- $this->next();
-
-
- case 2:
- $userLang = $this->config->getUserValue($this->user->getUID(), 'core', 'lang', null);
- if (is_string($userLang)) {
- return $userLang;
- }
- $this->next();
-
-
- case 3:
- $userLang = $this->config->getUserValue($this->user->getUID(), 'core', 'lang', null);
- if (is_string($userLang)
- && ($truncated = $this->getTruncatedLanguage($userLang)) !== $userLang
- ) {
- return $truncated;
- }
- $this->next();
-
- case 4:
- return $this->config->getSystemValueString('default_language', 'en');
-
- case 5:
- $defaultLang = $this->config->getSystemValueString('default_language', 'en');
- if (($truncated = $this->getTruncatedLanguage($defaultLang)) !== $defaultLang) {
- return $truncated;
- }
- $this->next();
-
- default:
- return 'en';
- }
- }
-
- public function next(): void {
- ++$this->i;
- }
-
- public function key(): int {
- return $this->i;
- }
-
- public function valid(): bool {
- return $this->i <= 6;
- }
- protected function getTruncatedLanguage(string $lang):string {
- $pos = strpos($lang, '_');
- if ($pos !== false) {
- $lang = substr($lang, 0, $pos);
- }
- return $lang;
- }
- }
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