Tarantool\Client\Packer\PacketLength

Complexity

Total Complexity

4

Size/Duplication

Total Lines	20
Duplicated Lines	0 %

Test Coverage

Coverage

75%

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	unpack()	0	7	2
A	pack()	0	3	1
A	__construct()	0	2	1

<?php

/**
 * This file is part of the Tarantool Client package.
 *
 * (c) Eugene Leonovich <gen.work@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

declare(strict_types=1);

namespace Tarantool\Client\Packer;

use Tarantool\Client\Exception\UnpackingFailed;

final class PacketLength
{
    public const SIZE_BYTES = 5;

    private function __construct()
    {
    }

    public static function pack(int $length) : string
    {
        return \pack('CN', 0xce, $length);
    }

    public static function unpack(string $data) : int
    {
        if (false === $data = @\unpack('C/N', $data)) {
            throw new UnpackingFailed('Unable to unpack length value.');
        }

        return $data[1];
    }
}