Innmind\AMQP\Transport\Frame\Value\Bits

Complexity

Total Complexity

6

Size/Duplication

Total Lines	65
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	4

Test Coverage

Coverage

100%

Importance

Changes

0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	15	2
B	fromString()	0	25	1
A	cut()	0	4	1
A	original()	0	4	1
A	__toString()	0	4	1

<?php
declare(strict_types = 1);

namespace Innmind\AMQP\Transport\Frame\Value;

use Innmind\AMQP\Transport\Frame\Value;
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)
    {
        array_unshift($bits, $first);
        $value = 0;
        $stream = new Stream('bool');

        foreach ($bits as $i => $bit) {
            $stream = $stream->add($bit);
            $bit = (int) $bit;
            $value |= $bit << $i;
        }

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

    public static function fromString(Str $string): Value
    {
        return new self(
            ...$string
                ->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()
        );
    }

    public static function cut(Str $string): Str
    {
        return $string->toEncoding('ASCII')->substring(0, 1);
    }

    /**
     * @return StreamInterface<bool>

The doc-type StreamInterface<bool> could not be parsed: Expected "|" or "end of type", but got "<" at position 15. (view supported doc-types)

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

    public function __toString(): string
    {
        return $this->value;
    }
}