Shift::doShift() - Code Metrics - Inspection of "Fix PHPStan warnings." - drupol/phpermutations - Measure and Improve Code Quality continuously with Scrutinizer

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by Pol

created 2020-05-11 07:28 UTC

Shift::doShift() A

↳ Parent: Shift

Complexity

Conditions	2
Paths	2

Size

Total Lines	15
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	8
CRAP Score	2.032

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	10
c	1
b	0
f	0
dl	0
loc	15
ccs	8
cts	10
cp	0.8
rs	9.9332
cc	2
nc	2
nop	1
crap	2.032

<?php

declare(strict_types=1);

namespace drupol\phpermutations\Iterators;

use drupol\phpermutations\Iterators;

use function array_slice;
use function count;

class Shift extends Iterators
{
    /**
     * Shift constructor.
     *
     * @param array<int, mixed> $dataset
     *                       The dataset
     * @param int   $length
     *                       The shift length
     */
    public function __construct(array $dataset = [], $length = 1)
    {
        parent::__construct($dataset, $length);
        $this->current = $this->getDataset();
    }

    /**
     * {@inheritdoc}
     */
    public function count()
    {
        return count($this->getDataset());
    }

    /**
     * {@inheritdoc}
     *
     * @return void
     */
    public function next()
    {
        $this->doShift(1);
    }

    /**
     * {@inheritdoc}
     */
    public function rewind()
    {
        $this->doShift(-1);
    }

    /**
     * {@inheritdoc}
     *
     * @return bool
     */
    public function valid()
    {
        return true;
    }

    /**
     * Internal function to do the shift.
     *
     * @param int $length
     *
     * @return void
     */
    protected function doShift($length = 1)
    {
        $parameters = [];

        if (0 > $length) {
            $parameters[] = ['start' => abs($length), 'end' => null];
            $parameters[] = ['start' => 0, 'end' => abs($length)];
        } else {
            $parameters[] = ['start' => -1 * $length, 'end' => null];
            $parameters[] = ['start' => 0, 'end' => $this->datasetCount + $length * -1];
        }

        $this->current = array_merge(
            array_slice($this->current, $parameters[0]['start'], $parameters[0]['end']),
            array_slice($this->current, $parameters[1]['start'], $parameters[1]['end'])
        );
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace drupol\phpermutations\Iterators;
6
7		use drupol\phpermutations\Iterators;
8
9		use function array_slice;
10		use function count;
11
12		class Shift extends Iterators
13		{
14		/**
15		* Shift constructor.
16		*
17		* @param array<int, mixed> $dataset
18		* The dataset
19		* @param int $length
20		* The shift length
21		*/
22	4	public function __construct(array $dataset = [], $length = 1)
23		{
24	4	parent::__construct($dataset, $length);
25	4	$this->current = $this->getDataset();
26	4	}
27
28		/**
29		* {@inheritdoc}
30		*/
31	4	public function count()
32		{
33	4	return count($this->getDataset());
34		}
35
36		/**
37		* {@inheritdoc}
38		*
39		* @return void
40		*/
41	4	public function next()
42		{
43	4	$this->doShift(1);
44	4	}
45
46		/**
47		* {@inheritdoc}
48		*/
49		public function rewind()
50		{
51		$this->doShift(-1);
52		}
53
54		/**
55		* {@inheritdoc}
56		*
57		* @return bool
58		*/
59		public function valid()
60		{
61		return true;
62		}
63
64		/**
65		* Internal function to do the shift.
66		*
67		* @param int $length
68		*
69		* @return void
70		*/
71	4	protected function doShift($length = 1)
72		{
73	4	$parameters = [];
74
75	4	if (0 > $length) {
76		$parameters[] = ['start' => abs($length), 'end' => null];
77		$parameters[] = ['start' => 0, 'end' => abs($length)];
78		} else {
79	4	$parameters[] = ['start' => -1 * $length, 'end' => null];
80	4	$parameters[] = ['start' => 0, 'end' => $this->datasetCount + $length * -1];
81		}
82
83	4	$this->current = array_merge(
84	4	array_slice($this->current, $parameters[0]['start'], $parameters[0]['end']),
85	4	array_slice($this->current, $parameters[1]['start'], $parameters[1]['end'])
86		);
87	4	}
88		}
89

drupol / phpermutations

Push — master ( 8a4497...f0c58f )

Shift::doShift() A

Complexity

Size

Duplication

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