ArrayAddingIterator::from() - Code Metrics - Inspection of "9171bd6b243208df803e92f55bf4d3a5c2ba8c0e" - MaxGoryunov/saving-iterator - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Branch — feature/68 (9171bd)

by Max

created 2021-08-25 20:26 UTC

ArrayAddingIterator::from() A

↳ Parent: ArrayAddingIterator

Complexity

Conditions	2
Paths	2

Size

Total Lines	10
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	0	Features	2

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

<?php

namespace MaxGoryunov\SavingIterator\Src;

use Iterator;

/**
 * Adding iterator which stores values in an array.
 * @template TKey
 * @template TValue
 * @implements AddingIterator<TKey, TValue>
 */
final class ArrayAddingIterator implements AddingIterator
{

    /**
     * Ctor.
     * 
     * @phpstan-param array<TKey, TValue> $added
     * @param mixed[] $added added values.
     */
    public function __construct(
        /**
         * Added values.
         *
         * @var mixed[]
         */
        private array $added = []
    ) {
    }

    /**
     * {@inheritDoc}
     */
    public function from(Iterator $source): AddingIterator
    {
        /**
         * @todo #66:20min Add a decorator for AddingIterator which does not
         *  allow to add values if source is not valid.
         */
        if ($source->valid()) {
            $this->added[$source->key()] ??= $source->current();
        }
        return new self($this->added);
    }

    /**
     * {@inheritDoc}
     */
    public function current(): mixed
    {
        return current($this->added);
    }

    /**
     * {@inheritDoc}
     * @phpstan-return int|string|null
     */
    public function key(): mixed
    {
        return key($this->added);
    }

    /**
     * {@inheritDoc}
     */
    public function next(): void
    {
        next($this->added);
    }

    /**
     * {@inheritDoc}
     */
    public function valid(): bool
    {
        return $this->key() !== null;
    }

    /**
     * {@inheritDoc}
     */
    public function rewind(): void
    {
        reset($this->added);
    }
}


1			<?php
2
3			namespace MaxGoryunov\SavingIterator\Src;
4
5			use Iterator;
6
7			/**
8			* Adding iterator which stores values in an array.
9			* @template TKey
10			* @template TValue
11			* @implements AddingIterator<TKey, TValue>
12			*/
13			final class ArrayAddingIterator implements AddingIterator
14			{
15
16			/**
17			* Ctor.
18			*
19			* @phpstan-param array<TKey, TValue> $added
20			* @param mixed[] $added added values.
21			*/
22			public function __construct(
23			/**
24			* Added values.
25			*
26			* @var mixed[]
27			*/
28			private array $added = []
29			) {
30			}
31
32			/**
33			* {@inheritDoc}
34			*/
35			public function from(Iterator $source): AddingIterator
36			{
37			/**
38			* @todo #66:20min Add a decorator for AddingIterator which does not
39			* allow to add values if source is not valid.
40			*/
41			if ($source->valid()) {
42			$this->added[$source->key()] ??= $source->current();
43			}
44			return new self($this->added);
45			}
46
47			/**
48			* {@inheritDoc}
49			*/
50			public function current(): mixed
51			{
52			return current($this->added);
53			}
54
55			/**
56			* {@inheritDoc}
57			* @phpstan-return int\|string\|null
58			*/
59			public function key(): mixed
60			{
61			return key($this->added);
62			}
63
64			/**
65			* {@inheritDoc}
66			*/
67			public function next(): void
68			{
69			next($this->added);
70			}
71
72			/**
73			* {@inheritDoc}
74			*/
75			public function valid(): bool
76			{
77			return $this->key() !== null;
78			}
79
80			/**
81			* {@inheritDoc}
82			*/
83			public function rewind(): void
84			{
85			reset($this->added);
86			}
87			}
88

MaxGoryunov / saving-iterator

Branch — feature/68 (9171bd)

ArrayAddingIterator::from() A

Complexity

Size

Duplication

Importance

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