261 lines
8.2 KiB
PHP
261 lines
8.2 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Contracts\Translation;
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use Symfony\Component\Translation\Exception\InvalidArgumentException;
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/**
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* A trait to help implement TranslatorInterface and LocaleAwareInterface.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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trait TranslatorTrait
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{
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private ?string $locale = null;
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/**
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* {@inheritdoc}
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*/
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public function setLocale(string $locale)
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{
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$this->locale = $locale;
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}
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/**
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* {@inheritdoc}
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*/
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public function getLocale(): string
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{
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return $this->locale ?: (class_exists(\Locale::class) ? \Locale::getDefault() : 'en');
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}
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/**
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* {@inheritdoc}
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*/
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public function trans(?string $id, array $parameters = [], string $domain = null, string $locale = null): string
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{
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if (null === $id || '' === $id) {
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return '';
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}
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if (!isset($parameters['%count%']) || !is_numeric($parameters['%count%'])) {
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return strtr($id, $parameters);
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}
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$number = (float) $parameters['%count%'];
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$locale = $locale ?: $this->getLocale();
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$parts = [];
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if (preg_match('/^\|++$/', $id)) {
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$parts = explode('|', $id);
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} elseif (preg_match_all('/(?:\|\||[^\|])++/', $id, $matches)) {
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$parts = $matches[0];
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}
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$intervalRegexp = <<<'EOF'
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/^(?P<interval>
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({\s*
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(\-?\d+(\.\d+)?[\s*,\s*\-?\d+(\.\d+)?]*)
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\s*})
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(?P<left_delimiter>[\[\]])
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\s*
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(?P<left>-Inf|\-?\d+(\.\d+)?)
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\s*,\s*
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(?P<right>\+?Inf|\-?\d+(\.\d+)?)
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\s*
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(?P<right_delimiter>[\[\]])
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)\s*(?P<message>.*?)$/xs
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EOF;
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$standardRules = [];
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foreach ($parts as $part) {
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$part = trim(str_replace('||', '|', $part));
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// try to match an explicit rule, then fallback to the standard ones
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if (preg_match($intervalRegexp, $part, $matches)) {
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if ($matches[2]) {
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foreach (explode(',', $matches[3]) as $n) {
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if ($number == $n) {
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return strtr($matches['message'], $parameters);
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}
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}
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} else {
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$leftNumber = '-Inf' === $matches['left'] ? -\INF : (float) $matches['left'];
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$rightNumber = is_numeric($matches['right']) ? (float) $matches['right'] : \INF;
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if (('[' === $matches['left_delimiter'] ? $number >= $leftNumber : $number > $leftNumber)
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&& (']' === $matches['right_delimiter'] ? $number <= $rightNumber : $number < $rightNumber)
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) {
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return strtr($matches['message'], $parameters);
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}
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}
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} elseif (preg_match('/^\w+\:\s*(.*?)$/', $part, $matches)) {
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$standardRules[] = $matches[1];
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} else {
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$standardRules[] = $part;
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}
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}
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$position = $this->getPluralizationRule($number, $locale);
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if (!isset($standardRules[$position])) {
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// when there's exactly one rule given, and that rule is a standard
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// rule, use this rule
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if (1 === \count($parts) && isset($standardRules[0])) {
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return strtr($standardRules[0], $parameters);
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}
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$message = 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").', $id, $locale, $number);
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if (class_exists(InvalidArgumentException::class)) {
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throw new InvalidArgumentException($message);
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}
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throw new \InvalidArgumentException($message);
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}
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return strtr($standardRules[$position], $parameters);
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}
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/**
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* Returns the plural position to use for the given locale and number.
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*
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* The plural rules are derived from code of the Zend Framework (2010-09-25),
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* which is subject to the new BSD license (http://framework.zend.com/license/new-bsd).
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* Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
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*/
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private function getPluralizationRule(float $number, string $locale): int
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{
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$number = abs($number);
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switch ('pt_BR' !== $locale && 'en_US_POSIX' !== $locale && \strlen($locale) > 3 ? substr($locale, 0, strrpos($locale, '_')) : $locale) {
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case 'af':
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case 'bn':
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case 'bg':
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case 'ca':
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case 'da':
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case 'de':
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case 'el':
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case 'en':
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case 'en_US_POSIX':
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case 'eo':
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case 'es':
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case 'et':
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case 'eu':
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case 'fa':
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case 'fi':
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case 'fo':
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case 'fur':
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case 'fy':
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case 'gl':
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case 'gu':
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case 'ha':
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case 'he':
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case 'hu':
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case 'is':
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case 'it':
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case 'ku':
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case 'lb':
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case 'ml':
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case 'mn':
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case 'mr':
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case 'nah':
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case 'nb':
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case 'ne':
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case 'nl':
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case 'nn':
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case 'no':
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case 'oc':
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case 'om':
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case 'or':
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case 'pa':
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case 'pap':
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case 'ps':
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case 'pt':
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case 'so':
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case 'sq':
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case 'sv':
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case 'sw':
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case 'ta':
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case 'te':
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case 'tk':
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case 'ur':
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case 'zu':
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return (1 == $number) ? 0 : 1;
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case 'am':
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case 'bh':
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case 'fil':
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case 'fr':
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case 'gun':
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case 'hi':
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case 'hy':
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case 'ln':
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case 'mg':
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case 'nso':
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case 'pt_BR':
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case 'ti':
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case 'wa':
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return ($number < 2) ? 0 : 1;
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case 'be':
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case 'bs':
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case 'hr':
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case 'ru':
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case 'sh':
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case 'sr':
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case 'uk':
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return ((1 == $number % 10) && (11 != $number % 100)) ? 0 : ((($number % 10 >= 2) && ($number % 10 <= 4) && (($number % 100 < 10) || ($number % 100 >= 20))) ? 1 : 2);
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case 'cs':
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case 'sk':
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return (1 == $number) ? 0 : ((($number >= 2) && ($number <= 4)) ? 1 : 2);
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case 'ga':
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return (1 == $number) ? 0 : ((2 == $number) ? 1 : 2);
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case 'lt':
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return ((1 == $number % 10) && (11 != $number % 100)) ? 0 : ((($number % 10 >= 2) && (($number % 100 < 10) || ($number % 100 >= 20))) ? 1 : 2);
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case 'sl':
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return (1 == $number % 100) ? 0 : ((2 == $number % 100) ? 1 : (((3 == $number % 100) || (4 == $number % 100)) ? 2 : 3));
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case 'mk':
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return (1 == $number % 10) ? 0 : 1;
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case 'mt':
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return (1 == $number) ? 0 : (((0 == $number) || (($number % 100 > 1) && ($number % 100 < 11))) ? 1 : ((($number % 100 > 10) && ($number % 100 < 20)) ? 2 : 3));
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case 'lv':
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return (0 == $number) ? 0 : (((1 == $number % 10) && (11 != $number % 100)) ? 1 : 2);
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case 'pl':
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return (1 == $number) ? 0 : ((($number % 10 >= 2) && ($number % 10 <= 4) && (($number % 100 < 12) || ($number % 100 > 14))) ? 1 : 2);
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case 'cy':
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return (1 == $number) ? 0 : ((2 == $number) ? 1 : (((8 == $number) || (11 == $number)) ? 2 : 3));
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case 'ro':
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return (1 == $number) ? 0 : (((0 == $number) || (($number % 100 > 0) && ($number % 100 < 20))) ? 1 : 2);
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case 'ar':
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return (0 == $number) ? 0 : ((1 == $number) ? 1 : ((2 == $number) ? 2 : ((($number % 100 >= 3) && ($number % 100 <= 10)) ? 3 : ((($number % 100 >= 11) && ($number % 100 <= 99)) ? 4 : 5))));
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default:
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return 0;
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}
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}
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}
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