PackUtils::getHeaderSize() - Code Metrics - Inspection of "Move classes under the Tarantool\Client namespace" - tarantool-php/client - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( d06bab...02e31a )

by Eugene

created 2016-06-16 06:44 UTC

PackUtils::getHeaderSize() B

↳ Parent: PackUtils

Complexity

Conditions	5
Paths	4

Size

Total Lines	17
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	9
CRAP Score	5

Importance

Changes

Metric	Value
dl	0
loc	17
ccs	9
cts	9
cp	1
rs	8.8571
c	0
b	0
f	0
cc	5
eloc	9
nc	4
nop	1
crap	5

<?php

namespace Tarantool\Client\Packer;

use Tarantool\Client\Exception\Exception;

abstract class PackUtils
{
    private static $offsets = [
        // MP_UINT
        0xcd => 2,
        0xce => 4,
        0xcf => 8,

        // MP_INT
        0xd1 => 2,
        0xd2 => 4,
        0xd3 => 8,
    ];

    public static function packLength($length)
    {
        return pack('CN', 0xce, $length);
    }

    public static function unpackLength($data)
    {
        if (false === $data = @unpack('C_/Nlength', $data)) {
            throw new Exception('Unable to unpack length value.');
        }

        return $data['length'];
    }

    public static function getHeaderSize($buffer)
    {
        $offset = 0;
        $len = strlen($buffer);

        while ($offset < $len) {
            $c = ord($buffer[$offset]);

            if (self::isMap($c) && $offset) {
                break;
            }

            $offset += isset(self::$offsets[$c]) ? self::$offsets[$c] + 1 : 1;
        }

        return $offset;
    }

    private static function isMap($c)
    {
        return 0x80 === ($c & 0xf0) || 0xde === $c || 0xdf === $c;
    }
}


1		<?php
2
3		namespace Tarantool\Client\Packer;
4
5		use Tarantool\Client\Exception\Exception;
6
7		abstract class PackUtils
8		{
9		private static $offsets = [
10		// MP_UINT
11		0xcd => 2,
12		0xce => 4,
13		0xcf => 8,
14
15		// MP_INT
16		0xd1 => 2,
17		0xd2 => 4,
18		0xd3 => 8,
19		];
20
21	110	public static function packLength($length)
22		{
23	110	return pack('CN', 0xce, $length);
24		}
25
26	102	public static function unpackLength($data)
27		{
28	102	if (false === $data = @unpack('C_/Nlength', $data)) {
29	1	throw new Exception('Unable to unpack length value.');
30		}
31
32	101	return $data['length'];
33		}
34
35	6	public static function getHeaderSize($buffer)
36		{
37	6	$offset = 0;
38	6	$len = strlen($buffer);
39
40	6	while ($offset < $len) {
41	6	$c = ord($buffer[$offset]);
42
43	6	if (self::isMap($c) && $offset) {
44	3	break;
45		}
46
47	6	$offset += isset(self::$offsets[$c]) ? self::$offsets[$c] + 1 : 1;
48		}
49
50	6	return $offset;
51		}
52
53	6	private static function isMap($c)
54		{
55	6	return 0x80 === ($c & 0xf0) \|\| 0xde === $c \|\| 0xdf === $c;
56		}
57		}
58

tarantool-php / client

Push — master ( d06bab...02e31a )

PackUtils::getHeaderSize() B

Complexity

Size

Duplication

Code Coverage

Importance

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