NGramsTrait::doNgrams() - Code Metrics - Inspection of "Refactor files and classes structure." - drupol/phpngrams - Measure and Improve Code Quality continuously with Scrutinizer

Test Failed

Push — master ( e299fb...38e963 )

by Pol

created 2018-02-06 04:54 UTC

NGramsTrait::doNgrams() B

↳ Parent: NGramsTrait

Complexity

Conditions	5
Paths	12

Size

Total Lines	14
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	10
CRAP Score	5

Importance

Changes

Metric	Value
dl	0
loc	14
c	0
b	0
f	0
ccs	10
cts	10
cp	1
rs	8.8571
nc	12
cc	5
eloc	9
nop	3
crap	5

<?php

namespace drupol\phpngrams;

trait NGramsTrait
{

    /**
     * @param \Generator $ngrams
     * @param string $substring
     *
     * @return float|int
     */
    public function frequency(\Generator $ngrams, $substring)
    {
        $ngrams = iterator_to_array($ngrams);


        return count(array_filter($ngrams, function ($n) use ($substring) {

            return $n === $substring;
        }))/count($ngrams);
    }

    /**
     * @param $data
     * @param int $n
     * @param bool $cyclic
     *
     * @return bool|\Generator

     */
    public function ngramsFactory($data, $n = 1, $cyclic = true)

    {
        $ngrams = [];

        if (is_string($data)) {
            foreach ($this->doNgrams(str_split($data), $n, $cyclic) as $item) {
                yield implode('', $item);
            }
        }

        if (is_array($data)) {
            foreach ($this->doNgrams($data, $n, $cyclic) as $item) {
                yield $item;
            }
        }

        return $ngrams;
    }

    /**
     * @param $data
     * @param $n
     * @param $cyclic
     *
     * @return \Generator
     */
    private function doNgrams($data, $n = 1, $cyclic = true)

    {
        $dataLength = count($data);
        $n = $n > $dataLength ? $dataLength : $n;

        $length = (false === $cyclic ? $dataLength - $n + 1 : $dataLength);

        for ($j = 0; $j < $length; $j++) {
            $ngrams = [];
            for ($i = $j; $i < $n + $j; $i++) {
                $ngrams[] = $data[$i%$dataLength];
            }
            yield $ngrams;
        }
    }
}


1		<?php
2
3		namespace drupol\phpngrams;
4
5		trait NGramsTrait
6		{
7
8		/**
9		* @param \Generator $ngrams
10		* @param string $substring
11		*
12		* @return float\|int
13		*/
14	2	public function frequency(\Generator $ngrams, $substring)
15		{
16	2	$ngrams = iterator_to_array($ngrams);
		0 ignored issues – show Coding Style introduced 2018-02-05 20:57 UTC by Report Bug Copy Issue Report Consider using a different name than the parameter `$ngrams`. This often makes code more readable. Loading history...
17
18	2	return count(array_filter($ngrams, function ($n) use ($substring) {
		0 ignored issues – show Comprehensibility introduced 2018-02-05 20:59 UTC by Report Bug Copy Issue Report Avoid variables with short names like $n. Configured minimum length is 3. Short variable names may make your code harder to understand. Variable names should be self-descriptive. This check looks for variable names who are shorter than a configured minimum. Loading history...
19	2	return $n === $substring;
20	2	}))/count($ngrams);
21		}
22
23		/**
24		* @param $data
25		* @param int $n
26		* @param bool $cyclic
27		*
28		* @return bool\|\Generator
		0 ignored issues – show Documentation introduced 2018-02-06 05:00 UTC by Report Bug Copy Issue Report Consider making the return type a bit more specific; maybe use `\Generator`. This check looks for the generic type `array` as a return type and suggests a more specific type. This type is inferred from the actual code. Loading history...
29		*/
30	12	public function ngramsFactory($data, $n = 1, $cyclic = true)
		0 ignored issues – show Comprehensibility introduced 2018-02-06 05:00 UTC by Report Bug Copy Issue Report Avoid variables with short names like $n. Configured minimum length is 3. Short variable names may make your code harder to understand. Variable names should be self-descriptive. This check looks for variable names who are shorter than a configured minimum. Loading history...
31		{
32	12	$ngrams = [];
33
34	12	if (is_string($data)) {
35	6	foreach ($this->doNgrams(str_split($data), $n, $cyclic) as $item) {
36	6	yield implode('', $item);
37		}
38		}
39
40	12	if (is_array($data)) {
41	8	foreach ($this->doNgrams($data, $n, $cyclic) as $item) {
42	8	yield $item;
43		}
44		}
45
46	12	return $ngrams;
47		}
48
49		/**
50		* @param $data
51		* @param $n
52		* @param $cyclic
53		*
54		* @return \Generator
55		*/
56	12	private function doNgrams($data, $n = 1, $cyclic = true)
		0 ignored issues – show Comprehensibility introduced 2018-02-05 19:41 UTC by Report Bug Copy Issue Report Avoid variables with short names like $n. Configured minimum length is 3. Short variable names may make your code harder to understand. Variable names should be self-descriptive. This check looks for variable names who are shorter than a configured minimum. Loading history...
57		{
58	12	$dataLength = count($data);
59	12	$n = $n > $dataLength ? $dataLength : $n;
		0 ignored issues – show Coding Style introduced 2018-02-05 19:41 UTC by Report Bug Copy Issue Report Consider using a different name than the parameter `$n`. This often makes code more readable. Loading history...
60	12	$length = (false === $cyclic ? $dataLength - $n + 1 : $dataLength);
61
62	12	for ($j = 0; $j < $length; $j++) {
63	12	$ngrams = [];
64	12	for ($i = $j; $i < $n + $j; $i++) {
65	12	$ngrams[] = $data[$i%$dataLength];
66		}
67	12	yield $ngrams;
68		}
69	12	}
70		}
71

drupol / phpngrams

Push — master ( e299fb...38e963 )

NGramsTrait::doNgrams() B

Complexity

Size

Duplication

Code Coverage

Importance

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