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✎ Editing: InflectorSingularResolver.php ← Back

<?php

declare (strict_types=1);
namespace Rector\Naming\ExpectedNameResolver;

use RectorPrefix202411\Doctrine\Inflector\Inflector;
use RectorPrefix202411\Nette\Utils\Strings;
use Rector\Util\StringUtils;
/**
 * @see \Rector\Tests\Naming\ExpectedNameResolver\InflectorSingularResolverTest
 */
final class InflectorSingularResolver
{
    /**
     * @readonly
     * @var \Doctrine\Inflector\Inflector
     */
    private $inflector;
    /**
     * @var array<string, string>
     */
    private const SINGULARIZE_MAP = ['news' => 'new'];
    /**
     * @var string
     * @see https://regex101.com/r/lbQaGC/3
     */
    private const CAMELCASE_REGEX = '#(?<camelcase>([a-z\\d]+|[A-Z\\d]{1,}[a-z\\d]+|_))#';
    /**
     * @var string
     * @see https://regex101.com/r/2aGdkZ/2
     */
    private const BY_MIDDLE_REGEX = '#(?<by>By[A-Z][a-zA-Z]+)#';
    /**
     * @var string
     */
    private const CAMELCASE = 'camelcase';
    public function __construct(Inflector $inflector)
    {
        $this->inflector = $inflector;
    }
    public function resolve(string $currentName) : string
    {
        $matchBy = Strings::match($currentName, self::BY_MIDDLE_REGEX);
        if ($matchBy !== null) {
            return Strings::substring($currentName, 0, -\strlen((string) $matchBy['by']));
        }
        $resolvedValue = $this->resolveSingularizeMap($currentName);
        if ($resolvedValue !== null) {
            return $resolvedValue;
        }
        $singularValueVarName = $this->singularizeCamelParts($currentName);
        if (\in_array($singularValueVarName, ['', '_'], \true)) {
            return $currentName;
        }
        $length = \strlen($singularValueVarName);
        if ($length < 40) {
            return $singularValueVarName;
        }
        return $currentName;
    }
    private function resolveSingularizeMap(string $currentName) : ?string
    {
        foreach (self::SINGULARIZE_MAP as $plural => $singular) {
            if ($currentName === $plural) {
                return $singular;
            }
            if (StringUtils::isMatch($currentName, '#' . \ucfirst($plural) . '#')) {
                $resolvedValue = Strings::replace($currentName, '#' . \ucfirst($plural) . '#', \ucfirst($singular));
                return $this->singularizeCamelParts($resolvedValue);
            }
            if (StringUtils::isMatch($currentName, '#' . $plural . '#')) {
                $resolvedValue = Strings::replace($currentName, '#' . $plural . '#', $singular);
                return $this->singularizeCamelParts($resolvedValue);
            }
        }
        return null;
    }
    private function singularizeCamelParts(string $currentName) : string
    {
        $camelCases = Strings::matchAll($currentName, self::CAMELCASE_REGEX);
        $resolvedName = '';
        foreach ($camelCases as $camelCase) {
            if (\in_array($camelCase[self::CAMELCASE], ['is', 'has', 'cms', 'this'], \true)) {
                $value = $camelCase[self::CAMELCASE];
            } else {
                $value = $this->inflector->singularize($camelCase[self::CAMELCASE]);
            }
            $resolvedName .= $value;
        }
        return $resolvedName;
    }
}

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