/** * Given a message with different plural translations separated by a * pipe (|), this method returns the correct portion of the message based * on the given number, locale and the pluralization rules in the message * itself. * * The message supports two different types of pluralization rules: * * interval: {0} There are no apples|{1} There is one apple|]1,Inf] There are %count% apples * indexed: There is one apple|There are %count% apples * * The indexed solution can also contain labels (e.g. one: There is one apple). * This is purely for making the translations more clear - it does not * affect the functionality. * * The two methods can also be mixed: * {0} There are no apples|one: There is one apple|more: There are %count% apples * * @param string $message The message being translated * @param int $number The number of items represented for the message * @param string $locale The locale to use for choosing * * @return string * * @throws InvalidArgumentException */ public function choose($message, $number, $locale) { preg_match_all('/(?:\\|\\||[^\\|])++/', $message, $parts); $explicitRules = array(); $standardRules = array(); foreach ($parts[0] as $part) { $part = trim(str_replace('||', '|', $part)); if (preg_match('/^(?P<interval>' . Interval::getIntervalRegexp() . ')\\s*(?P<message>.*?)$/xs', $part, $matches)) { $explicitRules[$matches['interval']] = $matches['message']; } elseif (preg_match('/^\\w+\\:\\s*(.*?)$/', $part, $matches)) { $standardRules[] = $matches[1]; } else { $standardRules[] = $part; } } // try to match an explicit rule, then fallback to the standard ones foreach ($explicitRules as $interval => $m) { if (Interval::test($number, $interval)) { return $m; } } $position = PluralizationRules::get($number, $locale); if (!isset($standardRules[$position])) { // when there's exactly one rule given, and that rule is a standard // rule, use this rule if (1 === count($parts[0]) && isset($standardRules[0])) { return $standardRules[0]; } throw new InvalidArgumentException(sprintf('Unable to choose a translation for "%s" with locale "%s" for value "%d". Double check that this translation has the correct plural options (e.g. "There is one apple|There are %%count%% apples").', $message, $locale, $number)); } return $standardRules[$position]; }
/** * Checks if translation is valid. * * @param string $message Message to check. * @param string $locale Locale used for. * * @return bool */ public static function check($message, $locale) { $parts = explode('|', $message); $explicitRules = []; $standardRules = []; foreach ($parts as $part) { $part = trim($part); if (preg_match('/^(?P<interval>' . Interval::getIntervalRegexp() . ')\\s*(?P<message> . *?)$/x', $part, $matches)) { $explicitRules[$matches['interval']] = $matches['message']; } elseif (preg_match('/^\\w+\\:\\s*(.*?)$/', $part, $matches)) { $standardRules[] = $matches[1]; } else { $standardRules[] = $part; } } if (count($parts) !== 1 && count($parts) !== count($explicitRules)) { for ($count = 0; $count < 200; $count++) { $position = PluralizationRules::get($count, $locale); if (!isset($standardRules[$position])) { return false; } } } return true; }
protected function generateTestData($plural, $langCodes) { $matrix = array(); foreach ($langCodes as $langCode) { for ($count = 0; $count < 200; ++$count) { $plural = PluralizationRules::get($count, $langCode); $matrix[$langCode][$count] = $plural; } } return $matrix; }
private function getPlurals($locale, $count) { $numbers = array_fill(0, $count, NULL); $n = 1; do { $plural = \Symfony\Component\Translation\PluralizationRules::get($n, $locale); if (!isset($numbers[$plural])) { $numbers[$plural] = $n; } $n++; if ($n > 10000) { break; } } while (!$this->arrayFilled($numbers)); return $numbers; }