DaveRandom\LibLifxLan\Decoding\ProtocolHeaderDecoder::decodeProtocolHeader()

Complexity

Conditions	2
Paths	2

Size

Total Lines	10
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	6
CRAP Score	2

Importance

Changes

0

<?php declare(strict_types=1);
    public function decodeProtocolHeader(string $data, int $offset = 0): ProtocolHeader
    {
        if ((\strlen($data) - $offset) < ProtocolHeader::WIRE_SIZE) {
            throw new InsufficientDataException(
                "Protocol header requires " . ProtocolHeader::WIRE_SIZE
                . " bytes, got " . (\strlen($data) - $offset) . " bytes"
            );
        }

        return new ProtocolHeader(\unpack('Preserved/vtype/vreserved', $data, $offset)['type']);
    }