JustifyMultipleIterator::key() - Code Metrics - Smoren/partial-intersection-php - Measure and Improve Code Quality continuously with Scrutinizer

JustifyMultipleIterator::key() A
last analyzed 2023-01-28 13:24 UTC

↳ Parent: JustifyMultipleIterator

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes	1
Bugs	0	Features	1

Metric	Value
cc	1
eloc	1
c	1
b	0
f	1
nc	1
nop	0
dl	0
loc	3
ccs	2
cts	2
cp	1
crap	1
rs	10

<?php

namespace Smoren\PartialIntersection\Util;

/**
 * @implements \Iterator<array<mixed>>
 *
 * Based on IterTools PHP's IteratorFactory.
 * @see https://github.com/markrogoyski/itertools-php
 * @see https://github.com/markrogoyski/itertools-php/blob/main/src/Util/JustifyMultipleIterator.php
 */
class JustifyMultipleIterator implements \Iterator
{
    /**
     * @var array<\Iterator<mixed>>

     */
    protected array $iterators = [];
    /**
     * @var int
     */
    protected int $index = 0;

    /**
     * @param iterable<mixed> ...$iterables
     */
    public function __construct(iterable ...$iterables)
    {
        foreach ($iterables as $iterable) {
            $this->iterators[] = IteratorFactory::makeIterator($iterable);
        }
    }

    /**
     * {@inheritDoc}
     *
     * @return array<mixed>
     */
    public function current(): array
    {
        return array_map(
            fn (\Iterator $iterator) => $iterator->valid() ? $iterator->current() : NoValueMonad::getInstance(),
            $this->iterators
        );
    }

    /**
     * {@inheritDoc}
     */
    public function next(): void
    {
        foreach ($this->iterators as $iterator) {
            if ($iterator->valid()) {
                $iterator->next();
            }
        }
        $this->index++;
    }

    /**
     * {@inheritDoc}
     *
     * @return int
     */
    public function key(): int
    {
        return $this->index;
    }

    /**
     * {@inheritDoc}
     */
    public function valid(): bool
    {
        foreach ($this->iterators as $iterator) {
            if ($iterator->valid()) {
                return true;
            }
        }

        return false;
    }

    /**
     * {@inheritDoc}
     */
    public function rewind(): void
    {
        foreach ($this->iterators as $iterator) {
            $iterator->rewind();
        }
        $this->index = 0;
    }
}


1		<?php
2
3		namespace Smoren\PartialIntersection\Util;
4
5		/**
6		* @implements \Iterator<array<mixed>>
7		*
8		* Based on IterTools PHP's IteratorFactory.
9		* @see https://github.com/markrogoyski/itertools-php
10		* @see https://github.com/markrogoyski/itertools-php/blob/main/src/Util/JustifyMultipleIterator.php
11		*/
12		class JustifyMultipleIterator implements \Iterator
13		{
14		/**
15		* @var array<\Iterator<mixed>>
		0 ignored issues – show Documentation Bug introduced 2023-01-25 13:37 UTC by Report Bug Copy Issue Report The doc comment `array<\Iterator<mixed>>` at position `2` could not be parsed: Expected '>' at position 2, but found '\Iterator'. Loading history...
16		*/
17		protected array $iterators = [];
18		/**
19		* @var int
20		*/
21		protected int $index = 0;
22
23		/**
24		* @param iterable<mixed> ...$iterables
25		*/
26	734	public function __construct(iterable ...$iterables)
27		{
28	734	foreach ($iterables as $iterable) {
29	702	$this->iterators[] = IteratorFactory::makeIterator($iterable);
30		}
31		}
32
33		/**
34		* {@inheritDoc}
35		*
36		* @return array<mixed>
37		*/
38	622	public function current(): array
39		{
40	622	return array_map(
41	622	fn (\Iterator $iterator) => $iterator->valid() ? $iterator->current() : NoValueMonad::getInstance(),
42	622	$this->iterators
43	622	);
44		}
45
46		/**
47		* {@inheritDoc}
48		*/
49	622	public function next(): void
50		{
51	622	foreach ($this->iterators as $iterator) {
52	622	if ($iterator->valid()) {
53	622	$iterator->next();
54		}
55		}
56	622	$this->index++;
57		}
58
59		/**
60		* {@inheritDoc}
61		*
62		* @return int
63		*/
64	322	public function key(): int
65		{
66	322	return $this->index;
67		}
68
69		/**
70		* {@inheritDoc}
71		*/
72	734	public function valid(): bool
73		{
74	734	foreach ($this->iterators as $iterator) {
75	702	if ($iterator->valid()) {
76	622	return true;
77		}
78		}
79
80	734	return false;
81		}
82
83		/**
84		* {@inheritDoc}
85		*/
86	734	public function rewind(): void
87		{
88	734	foreach ($this->iterators as $iterator) {
89	702	$iterator->rewind();
90		}
91	734	$this->index = 0;
92		}
93		}
94

Smoren / partial-intersection-php

JustifyMultipleIterator::key() A last analyzed 2023-01-28 13:24 UTC

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JustifyMultipleIterator::key() A
last analyzed 2023-01-28 13:24 UTC