Product::current() - Code Metrics - Inspection of "Initial commit." - drupol/phpermutations - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 15a3ff...ddeb31 )

by Pol

created 2016-12-22 12:07 UTC

Product::current() A

↳ Parent: Product

Complexity

Conditions	2
Paths	2

Size

Total Lines	9
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	6
CRAP Score	2

Importance

Changes

Metric	Value
dl	0
loc	9
ccs	6
cts	6
cp	1
rs	9.6666
c	0
b	0
f	0
cc	2
eloc	5
nc	2
nop	0
crap	2

<?php

namespace drupol\phpermutations;

/**
 * Class Product.
 *
 * @package drupol\phpermutations
 */
class Product extends Combinatorics implements \Iterator {

  /**
   * @var int
   */
  protected $key;

  /**
   * @var \Iterator[]
   */
  protected $iterators = array();

  /**
   * Product constructor.
   *
   * @param array $datasetArray
   * @param int|null $length
   */
  public function __construct(array $datasetArray, $length = NULL) {

    parent::__construct($datasetArray);

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

    $this->key = 0;
  }

  /**
   * @inheritdoc
   */
  public function current() {
    $tuple = array();

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

    return $tuple;
  }

  /**
   * @inheritdoc
   */
  public function next() {
    /** @var $reverseIterators \Iterator[] */
    $reverseIterators = array_reverse($this->iterators);

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

  /**
   * @return int
   */
  public function count() {
    $product = 1;

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

    return $product;
  }

  /**
   * @return array
   */
  public function toArray() {

    $data = array();

    for($this->rewind(); $this->valid(); $this->next()) {

      $data[] = $this->current();
    }

    return $data;
  }

}


1			<?php
2
3			namespace drupol\phpermutations;
4
5			/**
6			* Class Product.
7			*
8			* @package drupol\phpermutations
9			*/
10			class Product extends Combinatorics implements \Iterator {
11
12			/**
13			* @var int
14			*/
15			protected $key;
16
17			/**
18			* @var \Iterator[]
19			*/
20			protected $iterators = array();
21
22			/**
23			* Product constructor.
24			*
25			* @param array $datasetArray
26			* @param int\|null $length
27			*/
28	2		public function __construct(array $datasetArray, $length = NULL) {
			1 ignored issue – show Coding Style introduced 2016-12-22 12:09 UTC by Report Bug Copy Issue Report `TRUE`, `FALSE` and `NULL` must be lowercase; expected `null`, but found `NULL`. Loading history...
29	2		parent::__construct($datasetArray);
30
31	2		foreach ($datasetArray as $dataset) {
32	2		$this->iterators[] = new \ArrayIterator($dataset);
33	2		}
34
35	2		$this->key = 0;
36	2		}
37
38			/**
39			* @inheritdoc
40			*/
41	2		public function current() {
42	2		$tuple = array();
43
44	2		foreach ($this->iterators as $iterator) {
45	2		$tuple[] = $iterator->current();
46	2		}
47
48	2		return $tuple;
49			}
50
51			/**
52			* @inheritdoc
53			*/
54	2		public function next() {
55			/** @var $reverseIterators \Iterator[] */
56	2		$reverseIterators = array_reverse($this->iterators);
57
58	2		foreach ($reverseIterators as $key => $iterator) {
59	2		$iterator->next();
60	2		if ($iterator->valid()) {
61	2		foreach ($this->iterators as $key2 => $iterator2) {
62	2		if ($key >= count($this->iterators) - $key2) {
63	2		$iterator2->rewind();
64	2		}
65	2		}
66	2		break;
67			}
68	2		}
69
70	2		$this->key++;
71	2		}
72
73			/**
74			* @inheritdoc
75			*/
76			public function key() {
77			return $this->key;
78			}
79
80			/**
81			* @inheritdoc
82			*/
83	2		public function valid() {
84	2		$isUnlessOneValid = FALSE;
			1 ignored issue – show Coding Style introduced 2016-12-22 12:09 UTC by Report Bug Copy Issue Report `TRUE`, `FALSE` and `NULL` must be lowercase; expected `false`, but found `FALSE`. Loading history...
85
86	2		foreach ($this->iterators as $iterator) {
87	2		if ($iterator->valid()) {
88	2		$isUnlessOneValid = TRUE;
			0 ignored issues – show Coding Style introduced 2016-12-22 12:09 UTC by Report Bug Copy Issue Report `TRUE`, `FALSE` and `NULL` must be lowercase; expected `true`, but found `TRUE`. Loading history...
89	2		}
90	2		}
91
92	2		return $isUnlessOneValid;
93			}
94
95			/**
96			* @inheritdoc
97			*/
98	2		public function rewind() {
99	2		foreach ($this->iterators as $iterator) {
100	2		$iterator->rewind();
101	2		}
102
103	2		$this->key = 0;
104	2		}
105
106			/**
107			* @return int
108			*/
109	2		public function count() {
110	2		$product = 1;
111
112	2		foreach ($this->getDataset() as $dataset) {
113	2		$product *= count($dataset);
114	2		}
115
116	2		return $product;
117			}
118
119			/**
120			* @return array
121			*/
122	2	View Code Duplication	public function toArray() {
			0 ignored issues – show Duplication introduced 2016-12-22 12:09 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...
123	2		$data = array();
124
125	2		for($this->rewind(); $this->valid(); $this->next()) {
			0 ignored issues – show Coding Style introduced 2016-12-22 12:09 UTC by Report Bug Copy Issue Report Expected 1 space after FOR keyword; 0 found Loading history...
126	2		$data[] = $this->current();
127	2		}
128
129	2		return $data;
130			}
131
132			}
133

drupol / phpermutations

Push — master ( 15a3ff...ddeb31 )

Product::current() A

Complexity

Size

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