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<?php declare(strict_types=1);
/*
 * This file is part of PHPUnit.
 *
 * (c) Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace PHPUnit\Framework\Constraint;

use function sprintf;
use function strtr;

/**
 * @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit
 */
final class StringEqualsStringIgnoringLineEndings extends Constraint
{
    private readonly string $string;

public function __construct(string $string)
    {
        $this->string = $this->normalizeLineEndings($string);
    }

/**
     * Returns a string representation of the constraint.
     */
    public function toString(): string
    {
        return sprintf(
            'is equal to "%s" ignoring line endings',
            $this->string,
        );
    }

/**
     * Evaluates the constraint for parameter $other. Returns true if the
     * constraint is met, false otherwise.
     */
    protected function matches(mixed $other): bool
    {
        return $this->string === $this->normalizeLineEndings((string) $other);
    }

private function normalizeLineEndings(string $string): string
    {
        return strtr(
            $string,
            [
                "\r\n" => "\n",
                "\r"   => "\n",
            ],
        );
    }
}