diff -r 000000000000 -r 7f95f8617b0b vendor/symfony/src/Symfony/Component/Translation/MessageSelector.php --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/vendor/symfony/src/Symfony/Component/Translation/MessageSelector.php Sat Sep 24 15:40:41 2011 +0200 @@ -0,0 +1,80 @@ + + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +namespace Symfony\Component\Translation; + +/** + * MessageSelector. + * + * @author Fabien Potencier + * + * @api + */ +class MessageSelector +{ + /** + * 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 is no apples|{1} There is one apple|]1,Inf] There is %count% apples + * indexed: There is one apple|There is %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 is no apples|one: There is one apple|more: There is %count% apples + * + * @throws InvalidArgumentException + * @param string $message The message being translated + * @param integer $number The number of items represented for the message + * @param string $locale The locale to use for choosing + * @return string + * + * @api + */ + public function choose($message, $number, $locale) + { + $parts = explode('|', $message); + $explicitRules = array(); + $standardRules = array(); + foreach ($parts as $part) { + $part = trim($part); + + if (preg_match('/^(?'.Interval::getIntervalRegexp().')\s+(?.+?)$/x', $part, $matches)) { + $explicitRules[$matches['interval']] = $matches['message']; + } elseif (preg_match('/^\w+\: +(.+)$/', $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])) { + throw new \InvalidArgumentException('Unable to choose a translation.'); + } + + return $standardRules[$position]; + } +}