99 lines
3.0 KiB
PHP
99 lines
3.0 KiB
PHP
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<?php
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/*
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* This file is part of Twig.
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*
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* (c) Fabien Potencier
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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 Twig\Extra\String;
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use Symfony\Component\String\AbstractUnicodeString;
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use Symfony\Component\String\Inflector\EnglishInflector;
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use Symfony\Component\String\Inflector\FrenchInflector;
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use Symfony\Component\String\Inflector\InflectorInterface;
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use Symfony\Component\String\Inflector\SpanishInflector;
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use Symfony\Component\String\Slugger\AsciiSlugger;
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use Symfony\Component\String\Slugger\SluggerInterface;
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use Symfony\Component\String\UnicodeString;
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use Twig\Error\RuntimeError;
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use Twig\Extension\AbstractExtension;
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use Twig\TwigFilter;
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final class StringExtension extends AbstractExtension
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{
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private $slugger;
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private $englishInflector;
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private $spanishInflector;
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private $frenchInflector;
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public function __construct(?SluggerInterface $slugger = null)
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{
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$this->slugger = $slugger ?: new AsciiSlugger();
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}
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public function getFilters(): array
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{
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return [
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new TwigFilter('u', [$this, 'createUnicodeString']),
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new TwigFilter('slug', [$this, 'createSlug']),
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new TwigFilter('plural', [$this, 'plural']),
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new TwigFilter('singular', [$this, 'singular']),
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];
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}
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public function createUnicodeString(?string $text): UnicodeString
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{
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return new UnicodeString($text ?? '');
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}
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public function createSlug(string $string, string $separator = '-', ?string $locale = null): AbstractUnicodeString
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{
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return $this->slugger->slug($string, $separator, $locale);
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}
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/**
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* @return array|string
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*/
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public function plural(string $value, string $locale = 'en', bool $all = false)
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{
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if ($all) {
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return $this->getInflector($locale)->pluralize($value);
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}
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return $this->getInflector($locale)->pluralize($value)[0];
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}
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/**
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* @return array|string
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*/
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public function singular(string $value, string $locale = 'en', bool $all = false)
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{
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if ($all) {
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return $this->getInflector($locale)->singularize($value);
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}
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return $this->getInflector($locale)->singularize($value)[0];
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}
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private function getInflector(string $locale): InflectorInterface
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{
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switch ($locale) {
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case 'en':
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return $this->englishInflector ?? $this->englishInflector = new EnglishInflector();
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case 'es':
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if (!class_exists(SpanishInflector::class)) {
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throw new RuntimeError('SpanishInflector is not available.');
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}
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return $this->spanishInflector ?? $this->spanishInflector = new SpanishInflector();
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case 'fr':
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return $this->frenchInflector ?? $this->frenchInflector = new FrenchInflector();
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default:
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throw new \InvalidArgumentException(\sprintf('Locale "%s" is not supported.', $locale));
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}
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}
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}
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