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<?php |
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namespace Printful\GettextCms; |
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use Printful\GettextCms\Exceptions\UnsupportedLocaleException; |
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use Printful\GettextCms\Interfaces\MessageConfigInterface; |
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/** |
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* Class sets locales and binds domains for current request |
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*/ |
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class LocaleLoader |
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{ |
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/** |
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* Available categories are defined here |
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* @url https://www.php.net/manual/en/function.setlocale.php |
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*/ |
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const LC_CATEGORIES_TO_OVERRIDE = [ |
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LC_MESSAGES, |
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LC_TIME, |
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]; |
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/** @var MessageConfigInterface */ |
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private $config; |
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/** @var MessageRevisions */ |
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private $revisions; |
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public function __construct(MessageConfigInterface $config, MessageRevisions $revisions) |
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{ |
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$this->config = $config; |
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$this->revisions = $revisions; |
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} |
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/** |
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* Globally set current locale and bind gettext domains |
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* |
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* @param string $locale |
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* @return bool If false is returned, some domains may not have been bound and will fail |
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* @throws UnsupportedLocaleException |
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*/ |
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public function load(string $locale): bool |
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{ |
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putenv("LANG=" . $locale); |
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// Some systems use LANGUAGE variant above LANG, so we just set both of them, just in case. |
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putenv("LANGUAGE=" . $locale); |
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if (!$this->setLocale($locale)) { |
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throw new UnsupportedLocaleException('Locale is not supported by your system: ' . $locale); |
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} |
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return $this->bindDomains($locale); |
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} |
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private function setLocale($locale): bool |
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{ |
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// Some locales contain utf postfix, so we should try them all |
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$locales = [ |
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$locale, |
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$locale . '.utf8', |
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$locale . '.UTF-8', |
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]; |
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foreach (self::LC_CATEGORIES_TO_OVERRIDE as $lc) { |
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$wasFound = false; |
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foreach ($locales as $v) { |
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if (setlocale($lc, $v)) { |
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$wasFound = true; |
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break; |
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} |
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} |
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if (!$wasFound) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* Bind all domains for locale |
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* |
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* @param string $locale |
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* @return bool Returns false if binding fails, translations may not work correctly |
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*/ |
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private function bindDomains(string $locale): bool |
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{ |
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$domainBound = true; |
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$domainDir = rtrim($this->config->getMoDirectory(), '/'); |
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$defaultDomain = $this->config->getDefaultDomain(); |
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$allDomains = $this->config->getOtherDomains(); |
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$allDomains[] = $defaultDomain; |
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foreach ($allDomains as $domain) { |
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$actualDomain = $this->getActualDomain($locale, $domain); |
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// File structure for a translation is: mo-directory/{locale}/LC_MESSAGES/{domain}.mo |
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if (!bindtextdomain($actualDomain, $domainDir)) { |
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// If text domain binding fails, something is wrong with the paths |
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$domainBound = false; |
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} |
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bind_textdomain_codeset($actualDomain, 'utf8'); |
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} |
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// Bind the default domain for _() calls (and other non-domain specific calls) |
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textdomain($this->getActualDomain($locale, $defaultDomain)); |
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return $domainBound; |
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} |
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/** |
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* Get actual domain name. If revisions are enabled, this will return something like "domain_XXXXXX" |
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* |
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* @param string $locale |
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* @param string $domain |
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* @return string |
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*/ |
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private function getActualDomain(string $locale, string $domain): string |
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{ |
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if ($this->config->useRevisions()) { |
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return $this->revisions->getRevisionedDomain($locale, $domain); |
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} |
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return $domain; |
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} |
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} |
printful /
php-gettext-cms
