CyclomaticComplexityAssessor::getComplexity() - Code Metrics - Inspection of "Refactor CyclomaticComplexityAssessor" - bmitch/churn-php - Measure and Improve Code Quality continuously with Scrutinizer

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by Fabien

created 2022-03-04 21:59 UTC

CyclomaticComplexityAssessor::getComplexity() A

↳ Parent: CyclomaticComplexityAssessor

Complexity

Conditions	2
Paths	2

Size

Total Lines	7
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	3
dl	0
loc	7
rs	10
c	0
b	0
f	0
cc	2
nc	2
nop	1

<?php

declare(strict_types=1);

namespace Churn\Assessor;

/**
 * @internal
 */
class CyclomaticComplexityAssessor
{
    /**
     * @var array<int, int>
     */
    private $tokens = [
        \T_CLASS => 1,
        \T_INTERFACE => 1,
        \T_TRAIT => 1,
        \T_IF => 1,
        \T_ELSEIF => 1,
        \T_FOR => 1,
        \T_FOREACH => 1,
        \T_WHILE => 1,
        \T_CASE => 1,
        \T_CATCH => 1,
        \T_BOOLEAN_AND => 1,
        \T_LOGICAL_AND => 1,
        \T_BOOLEAN_OR => 1,
        \T_LOGICAL_OR => 1,
        \T_COALESCE => 1,
    ];

    /**
     * Class constructor.
     */
    public function __construct()
    {
        $this->init();
    }

    /**
     * Assess the files cyclomatic complexity.
     *
     * @param string $contents The contents of a PHP file.
     */
    public function assess(string $contents): int
    {
        $score = 0;
        foreach (\token_get_all($contents) as $token) {
            $score += $this->getComplexity($token[0]);
        }

        return \max(1, $score);
    }

    /**
     * Add missing tokens depending on the PHP version.
     */
    private function init(): void
    {
        $tokens = [
            // Since PHP 7.4
            'T_COALESCE_EQUAL',
            // Since PHP 8.1
            'T_ENUM',
        ];
        foreach ($tokens as $token) {
            if (!\defined($token)) {
                continue;
            }

            $this->tokens[(int) \constant($token)] = 1;
        }
    }

    /**
     * @param integer|string $code Code of a PHP token.
     */
    private function getComplexity($code): int
    {
        if ('?' === $code) {
            return 1;
        }

        return $this->tokens[$code] ?? 0;
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			namespace Churn\Assessor;
6
7			/**
8			* @internal
9			*/
10			class CyclomaticComplexityAssessor
11			{
12			/**
13			* @var array<int, int>
14			*/
15			private $tokens = [
16			\T_CLASS => 1,
17			\T_INTERFACE => 1,
18			\T_TRAIT => 1,
19			\T_IF => 1,
20			\T_ELSEIF => 1,
21			\T_FOR => 1,
22			\T_FOREACH => 1,
23			\T_WHILE => 1,
24			\T_CASE => 1,
25			\T_CATCH => 1,
26			\T_BOOLEAN_AND => 1,
27			\T_LOGICAL_AND => 1,
28			\T_BOOLEAN_OR => 1,
29			\T_LOGICAL_OR => 1,
30			\T_COALESCE => 1,
31			];
32
33			/**
34			* Class constructor.
35			*/
36			public function __construct()
37			{
38			$this->init();
39			}
40
41			/**
42			* Assess the files cyclomatic complexity.
43			*
44			* @param string $contents The contents of a PHP file.
45			*/
46			public function assess(string $contents): int
47			{
48			$score = 0;
49			foreach (\token_get_all($contents) as $token) {
50			$score += $this->getComplexity($token[0]);
51			}
52
53			return \max(1, $score);
54			}
55
56			/**
57			* Add missing tokens depending on the PHP version.
58			*/
59			private function init(): void
60			{
61			$tokens = [
62			// Since PHP 7.4
63			'T_COALESCE_EQUAL',
64			// Since PHP 8.1
65			'T_ENUM',
66			];
67			foreach ($tokens as $token) {
68			if (!\defined($token)) {
69			continue;
70			}
71
72			$this->tokens[(int) \constant($token)] = 1;
73			}
74			}
75
76			/**
77			* @param integer\|string $code Code of a PHP token.
78			*/
79			private function getComplexity($code): int
80			{
81			if ('?' === $code) {
82			return 1;
83			}
84
85			return $this->tokens[$code] ?? 0;
86			}
87			}
88

bmitch / churn-php

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CyclomaticComplexityAssessor::getComplexity() A

Complexity

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