Gacela\Router\Validators\PathValidator

Complexity

Total Complexity

9

Size/Duplication

Total Lines	34
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

1 Method

Rating	Name	Duplication	Size	Complexity
B	isValid()	0	32	9

<?php

declare(strict_types=1);

namespace Gacela\Router\Validators;

use Gacela\Router\Entities\RouteParams;

final class PathValidator
{
    public static function isValid(string $path): bool
    {
        if ($path === '/') {
            return true;
        }

        if ($path === '') {
            return false;
        }

        if (str_starts_with($path, '/')) {
            return false;
        }

        if (str_ends_with($path, '/')) {
            return false;
        }

        $parts = explode('/', $path);
        $optionalParamFound = false;

        foreach ($parts as $part) {
            if (!$part) { // Empty part found
                return false;
            } elseif (preg_match(RouteParams::OPTIONAL_PARAM_PATTERN, $part)) { // Optional argument found
                $optionalParamFound = true;
            } elseif ($optionalParamFound) { // Mandatory argument or static part found after an optional argument
                return false;
            }
        }

        return true;
    }
}