McCabe::__construct() - Code Metrics - Inspection of "Merge pull request #208 from pavarnos/master" - phpmetrics/PhpMetrics - Measure and Improve Code Quality continuously with Scrutinizer

Completed

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by personal

created 2016-04-05 05:09 UTC

McCabe::__construct() A

↳ Parent: McCabe

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	2

Duplication

Lines	0
Ratio	0 %

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

<?php

/*
 * (c) Jean-François Lépine <https://twitter.com/Halleck45>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Hal\Metrics\Complexity\Component\McCabe;
use Hal\Component\Token\TokenCollection;

/**
 * Calculates cyclomatic complexity
 *
 * @author Jean-François Lépine <https://twitter.com/Halleck45>
 */
class McCabe {

    /**
     * Calculate cyclomatic complexity number
     *
     * We can calculate ccn in two ways (we choose the second):
     *
     *  1.  Cyclomatic complexity (CC) = E - N + 2P
     *      Where:
     *      P = number of disconnected parts of the flow graph (e.g. a calling program and a subroutine)
     *      E = number of edges (transfers of control)
     *      N = number of nodes (sequential group of statements containing only one transfer of control)
     *
     * 2. CC = Number of each decision point
     *
     * @param TokenCollection $tokens
     * @return Result
     */
    public function calculate($tokens)
    {
        $info = new Result;

        $ccn = 1; // default path
        foreach($tokens as $token) {

            switch($token->getType()) {
                case T_IF:
                case T_ELSEIF:
                case T_FOREACH:
                case T_FOR:
                case T_WHILE:
                case T_DO:
                case T_BOOLEAN_AND:
                case T_LOGICAL_AND:
                case T_BOOLEAN_OR:
                case T_LOGICAL_OR:
                case T_SPACESHIP:
                case T_CASE:
                case T_DEFAULT:
                case T_CATCH:
                case T_CONTINUE:
                    $ccn++;
                    break;
                case T_STRING:
                    if('?' == $token->getValue()) {
                        $ccn = $ccn + 2;
                    }
                    break;
                case T_COALESCE:
                    $ccn = $ccn + 2;
                    break;
            }

        }

        $info->setCyclomaticComplexityNumber(max(1, $ccn));
        return $info;
    }
}


1			<?php
2
3			/*
4			* (c) Jean-François Lépine <https://twitter.com/Halleck45>
5			*
6			* For the full copyright and license information, please view the LICENSE
7			* file that was distributed with this source code.
8			*/
9
10			namespace Hal\Metrics\Complexity\Component\McCabe;
11			use Hal\Component\Token\TokenCollection;
12
13			/**
14			* Calculates cyclomatic complexity
15			*
16			* @author Jean-François Lépine <https://twitter.com/Halleck45>
17			*/
18			class McCabe {
19
20			/**
21			* Calculate cyclomatic complexity number
22			*
23			* We can calculate ccn in two ways (we choose the second):
24			*
25			* 1. Cyclomatic complexity (CC) = E - N + 2P
26			* Where:
27			* P = number of disconnected parts of the flow graph (e.g. a calling program and a subroutine)
28			* E = number of edges (transfers of control)
29			* N = number of nodes (sequential group of statements containing only one transfer of control)
30			*
31			* 2. CC = Number of each decision point
32			*
33			* @param TokenCollection $tokens
34			* @return Result
35			*/
36			public function calculate($tokens)
37			{
38			$info = new Result;
39
40			$ccn = 1; // default path
41			foreach($tokens as $token) {
42
43			switch($token->getType()) {
44			case T_IF:
45			case T_ELSEIF:
46			case T_FOREACH:
47			case T_FOR:
48			case T_WHILE:
49			case T_DO:
50			case T_BOOLEAN_AND:
51			case T_LOGICAL_AND:
52			case T_BOOLEAN_OR:
53			case T_LOGICAL_OR:
54			case T_SPACESHIP:
55			case T_CASE:
56			case T_DEFAULT:
57			case T_CATCH:
58			case T_CONTINUE:
59			$ccn++;
60			break;
61			case T_STRING:
62			if('?' == $token->getValue()) {
63			$ccn = $ccn + 2;
64			}
65			break;
66			case T_COALESCE:
67			$ccn = $ccn + 2;
68			break;
69			}
70
71			}
72
73			$info->setCyclomaticComplexityNumber(max(1, $ccn));
74			return $info;
75			}
76			}
77

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McCabe::__construct() A

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