Product::next() - Code Metrics - Inspection of "New NGrams iterator." - drupol/phpermutations - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( 1e7555...a49478 )

by Pol

created 2018-02-06 14:33 UTC

Product::next() B

↳ Parent: Product

Complexity

Conditions	5
Paths	3

Size

Total Lines	18
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	11
CRAP Score	5

Importance

Changes

Metric	Value
dl	0
loc	18
ccs	11
cts	11
cp	1
rs	8.8571
c	0
b	0
f	0
cc	5
eloc	10
nc	3
nop	0
crap	5

<?php

namespace drupol\phpermutations\Iterators;

use drupol\phpermutations\Combinatorics;

/**
 * Class Product.
 */
class Product extends Combinatorics implements \Iterator, \Countable
{
    /**
     * The key.
     *
     * @var int
     */
    protected $key;

    /**
     * The iterators.
     *
     * @var \Iterator[]
     */
    protected $iterators = [];

    /**
     * Product constructor.
     *
     * @param array $datasetArray
     *                            The array of dataset
     */
    public function __construct(array $datasetArray)
    {
        parent::__construct($datasetArray);

        foreach ($datasetArray as $dataset) {
            $this->iterators[] = new \ArrayIterator($dataset);
        }

        $this->key = 0;
    }

    /**
     * {@inheritdoc}
     */
    public function current()
    {
        $tuple = [];

        foreach ($this->iterators as $iterator) {
            $tuple[] = $iterator->current();
        }

        return $tuple;
    }

    /**
     * {@inheritdoc}
     */
    public function next()

    {
        foreach (array_reverse($this->iterators) as $key => $iterator) {
            $iterator->next();
            if ($iterator->valid()) {
                $count_iterators = count($this->iterators);
                foreach ($this->iterators as $key2 => $iterator2) {
                    if ($key >= $count_iterators - $key2) {
                        $iterator2->rewind();
                    }
                }

                break;
            }
        }

        ++$this->key;
    }

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

    /**
     * {@inheritdoc}
     */
    public function valid()
    {
        $isUnlessOneValid = false;

        foreach ($this->iterators as $iterator) {
            if ($iterator->valid()) {
                $isUnlessOneValid = true;
            }
        }

        return $isUnlessOneValid;
    }

    /**
     * {@inheritdoc}
     */
    public function rewind()
    {
        foreach ($this->iterators as $iterator) {
            $iterator->rewind();
        }

        $this->key = 0;
    }

    /**
     * {@inheritdoc}
     */
    public function count()
    {
        $product = 1;

        foreach ($this->getDataset() as $dataset) {
            $product *= count($dataset);
        }

        return $product;
    }

    /**
     * Convert the iterator into an array.
     *
     * @return array
     *               The elements
     */
    public function toArray()

    {
        $data = [];

        for ($this->rewind(); $this->valid(); $this->next()) {
            $data[] = $this->current();
        }

        return $data;
    }
}


1			<?php
2
3			namespace drupol\phpermutations\Iterators;
4
5			use drupol\phpermutations\Combinatorics;
6
7			/**
8			* Class Product.
9			*/
10			class Product extends Combinatorics implements \Iterator, \Countable
11			{
12			/**
13			* The key.
14			*
15			* @var int
16			*/
17			protected $key;
18
19			/**
20			* The iterators.
21			*
22			* @var \Iterator[]
23			*/
24			protected $iterators = [];
25
26			/**
27			* Product constructor.
28			*
29			* @param array $datasetArray
30			* The array of dataset
31			*/
32	4		public function __construct(array $datasetArray)
33			{
34	4		parent::__construct($datasetArray);
35
36	4		foreach ($datasetArray as $dataset) {
37	4		$this->iterators[] = new \ArrayIterator($dataset);
38			}
39
40	4		$this->key = 0;
41	4		}
42
43			/**
44			* {@inheritdoc}
45			*/
46	4		public function current()
47			{
48	4		$tuple = [];
49
50	4		foreach ($this->iterators as $iterator) {
51	4		$tuple[] = $iterator->current();
52			}
53
54	4		return $tuple;
55			}
56
57			/**
58			* {@inheritdoc}
59			*/
60	4		public function next()
			0 ignored issues – show Coding Style Naming introduced 2017-08-15 18:29 UTC by Report Bug Copy Issue Report The variable $count_iterators is not named in camelCase. This check marks variable names that have not been written in camelCase. In camelCase names are written without any punctuation, the start of each new word being marked by a capital letter. Thus the name database connection string becomes `databaseConnectionString`. Loading history...
61			{
62	4		foreach (array_reverse($this->iterators) as $key => $iterator) {
63	4		$iterator->next();
64	4		if ($iterator->valid()) {
65	4		$count_iterators = count($this->iterators);
66	4		foreach ($this->iterators as $key2 => $iterator2) {
67	4		if ($key >= $count_iterators - $key2) {
68	4		$iterator2->rewind();
69			}
70			}
71
72	4		break;
73			}
74			}
75
76	4		++$this->key;
77	4		}
78
79			/**
80			* {@inheritdoc}
81			*/
82			public function key()
83			{
84			return $this->key;
85			}
86
87			/**
88			* {@inheritdoc}
89			*/
90	4		public function valid()
91			{
92	4		$isUnlessOneValid = false;
93
94	4		foreach ($this->iterators as $iterator) {
95	4		if ($iterator->valid()) {
96	4		$isUnlessOneValid = true;
97			}
98			}
99
100	4		return $isUnlessOneValid;
101			}
102
103			/**
104			* {@inheritdoc}
105			*/
106	4		public function rewind()
107			{
108	4		foreach ($this->iterators as $iterator) {
109	4		$iterator->rewind();
110			}
111
112	4		$this->key = 0;
113	4		}
114
115			/**
116			* {@inheritdoc}
117			*/
118	4		public function count()
119			{
120	4		$product = 1;
121
122	4		foreach ($this->getDataset() as $dataset) {
123	4		$product *= count($dataset);
124			}
125
126	4		return $product;
127			}
128
129			/**
130			* Convert the iterator into an array.
131			*
132			* @return array
133			* The elements
134			*/
135	4	View Code Duplication	public function toArray()
			0 ignored issues – show Duplication introduced 2017-08-15 18:29 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
136			{
137	4		$data = [];
138
139	4		for ($this->rewind(); $this->valid(); $this->next()) {
140	4		$data[] = $this->current();
141			}
142
143	4		return $data;
144			}
145			}
146

drupol / phpermutations

Push — master ( 1e7555...a49478 )

Product::next() B

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