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File Content: `MessageSelector.php`

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * 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 <fabien@symfony.com>
 * @author Bernhard Schussek <bschussek@gmail.com>
 *
 * @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 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 integer $number  The number of items represented for the message
     * @param string  $locale  The locale to use for choosing
     *
     * @return string
     *
     * @throws \InvalidArgumentException
     *
     * @api
     */
    public function choose($message, $number, $locale)
    {
        $parts = explode('|', $message);
        $explicitRules = array();
        $standardRules = array();
        foreach ($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;
            }
        }

        // 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($parts) && isset($standardRules[0])) {
                return $standardRules[0];
            }

            throw new \InvalidArgumentException(sprintf('Unable to choose a translation for "%s" with locale "%s". Double check that this translation has the correct plural options (e.g. "There is one apple|There are %%count%% apples").', $message, $locale));
        }

        return $standardRules[$position];
    }
}

Name	Size	Permission
Catalogue	---	0755
Dumper	---	0755
Exception	---	0755
Extractor	---	0755
Loader	---	0755
Writer	---	0755
IdentityTranslator.php	1596 bytes	0644
Interval.php	2799 bytes	0644
MessageCatalogue.php	6530 bytes	0644
MessageCatalogueInterface.php	4251 bytes	0644
MessageSelector.php	3150 bytes	0644
MetadataAwareInterface.php	1551 bytes	0644
PluralizationRules.php	6255 bytes	0644
Translator.php	7040 bytes	0644
TranslatorInterface.php	2013 bytes	0644
autoloader.php	341 bytes	0644

File Content: MessageSelector.php

File Content: `MessageSelector.php`