Bits::fromStream() - Code Metrics - Inspection of "Merge pull request #1 from Innmind/perf-improvemen..." - Innmind/AMQP - Measure and Improve Code Quality continuously with Scrutinizer

Completed

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by Baptiste

created 2019-02-11 19:23 UTC

Bits::fromStream() A

↳ Parent: Bits

Complexity

Conditions	1
Paths	1

Size

Total Lines	24
Code Lines	17

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	20
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	17
nc	1
nop	1
dl	0
loc	24
ccs	20
cts	20
cp	1
crap	1
rs	9.7
c	0
b	0
f	0

<?php
declare(strict_types = 1);

namespace Innmind\AMQP\Transport\Frame\Value;

use Innmind\AMQP\Transport\Frame\Value;
use Innmind\Stream\Readable;
use Innmind\Immutable\{
    StreamInterface,
    Stream,
    Str,
    Sequence as Seq
};

final class Bits implements Value
{
    private $value;
    private $original;

    public function __construct(bool $first, bool ...$bits)
    {
        $this->original = Stream::of('bool', $first, ...$bits);
    }

    public static function fromStream(Readable $stream): Value
    {
        return new self(
            ...$stream
                ->read(1)
                ->toEncoding('ASCII')
                ->chunk()
                ->reduce(
                    new Seq,
                    static function(Seq $bits, Str $bit): Seq {
                        return (new Str(decbin(ord((string) $bit))))
                            ->chunk()
                            ->reduce(
                                $bits,
                                static function(Seq $bits, Str $bit): Seq {
                                    return $bits->add((int) (string) $bit);
                                }
                            );
                    }
                )
                ->map(static function(int $bit): bool {
                    return (bool) $bit;
                })
                ->reverse()
        );
    }

    /**
     * @return StreamInterface<bool>
     */
    public function original(): StreamInterface
    {
        return $this->original;
    }

    public function __toString(): string
    {
        if (\is_null($this->value)) {
            $value = 0;

            foreach ($this->original as $i => $bit) {
                $bit = (int) $bit;
                $value |= $bit << $i;
            }

            $this->value = chr($value);
        }

        return $this->value;
    }
}


1		<?php
2		declare(strict_types = 1);
3
4		namespace Innmind\AMQP\Transport\Frame\Value;
5
6		use Innmind\AMQP\Transport\Frame\Value;
7		use Innmind\Stream\Readable;
8		use Innmind\Immutable\{
9		StreamInterface,
10		Stream,
11		Str,
12		Sequence as Seq
13		};
14
15		final class Bits implements Value
16		{
17		private $value;
18		private $original;
19
20	92	public function __construct(bool $first, bool ...$bits)
21		{
22	92	$this->original = Stream::of('bool', $first, ...$bits);
23	92	}
24
25	58	public static function fromStream(Readable $stream): Value
26		{
27	58	return new self(
28		...$stream
29	58	->read(1)
30	58	->toEncoding('ASCII')
31	58	->chunk()
32	58	->reduce(
33	58	new Seq,
34	58	static function(Seq $bits, Str $bit): Seq {
35	58	return (new Str(decbin(ord((string) $bit))))
36	58	->chunk()
37	58	->reduce(
38	58	$bits,
39	58	static function(Seq $bits, Str $bit): Seq {
40	58	return $bits->add((int) (string) $bit);
41	58	}
42		);
43	58	}
44		)
45	58	->map(static function(int $bit): bool {
46	58	return (bool) $bit;
47	58	})
48	58	->reverse()
49		);
50		}
51
52		/**
53		* @return StreamInterface<bool>
54		*/
55	44	public function original(): StreamInterface
56		{
57	44	return $this->original;
58		}
59
60	91	public function __toString(): string
61		{
62	91	if (\is_null($this->value)) {
63	91	$value = 0;
64
65	91	foreach ($this->original as $i => $bit) {
66	91	$bit = (int) $bit;
67	91	$value \|= $bit << $i;
68		}
69
70	91	$this->value = chr($value);
71		}
72
73	91	return $this->value;
74		}
75		}
76

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Bits::fromStream() A

Complexity

Size

Duplication

Code Coverage

Importance

Duplication Side-by-Side

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