CommonPathDeterminator::determineCommonCharacters() - Code Metrics - webfactory/zauberlehrling - Measure and Improve Code Quality continuously with Scrutinizer

determineCommonCharacters() A
last analyzed 2022-10-06 08:15 UTC

↳ Parent: CommonPathDeterminator

Complexity

Conditions	4
Paths	3

Size

Total Lines	15
Code Lines	8

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	8
c	1
b	0
f	0
dl	0
loc	15
rs	10
cc	4
nc	3
nop	1

<?php

namespace AppBundle\ShowUnusedPhpFiles;

/**
 * Determines the (parent) path common to an array of paths.
 */
final class CommonPathDeterminator
{
    /**
     * @param string[] $paths
     * @return string
     */
    public function determineCommonPath(array $paths)
    {
        if (count($paths) === 0) {
            return '';
        }

        $commonCharacters = $this->determineCommonCharacters($paths);
        $commonPath = $this->getPathFromCommonCharacters($commonCharacters);

        return $commonPath;
    }

    /**
     * @param string[] $paths
     * @return string
     */
    private function determineCommonCharacters(array $paths)
    {
        $commonCharacters = $paths[0];

        foreach ($paths as $path) {
            if ($this->stringBeginsWith($path, $commonCharacters)) {
                continue;
            }

            do {
                $commonCharacters = substr($commonCharacters, 0, -1);
            } while (!$this->stringBeginsWith($path, $commonCharacters));
        }

        return $commonCharacters;
    }

    /**
     * @param string $hay
     * @param string $needle
     * @return bool
     */
    private function stringBeginsWith($hay, $needle)
    {
        if ($needle === '') {
            return true;
        }

        return strpos($hay, $needle) === 0;
    }

    /**
     * @param string $commonCharacters
     * @return string
     */
    private function getPathFromCommonCharacters($commonCharacters)
    {
        if ($commonCharacters === '') {
            return '';
        }

        $path = (substr($commonCharacters, -1) === '/') ? $commonCharacters : dirname($commonCharacters);
        return realpath($path);
    }
}


1			<?php
2
3			namespace AppBundle\ShowUnusedPhpFiles;
4
5			/**
6			* Determines the (parent) path common to an array of paths.
7			*/
8			final class CommonPathDeterminator
9			{
10			/**
11			* @param string[] $paths
12			* @return string
13			*/
14			public function determineCommonPath(array $paths)
15			{
16			if (count($paths) === 0) {
17			return '';
18			}
19
20			$commonCharacters = $this->determineCommonCharacters($paths);
21			$commonPath = $this->getPathFromCommonCharacters($commonCharacters);
22
23			return $commonPath;
24			}
25
26			/**
27			* @param string[] $paths
28			* @return string
29			*/
30			private function determineCommonCharacters(array $paths)
31			{
32			$commonCharacters = $paths[0];
33
34			foreach ($paths as $path) {
35			if ($this->stringBeginsWith($path, $commonCharacters)) {
36			continue;
37			}
38
39			do {
40			$commonCharacters = substr($commonCharacters, 0, -1);
41			} while (!$this->stringBeginsWith($path, $commonCharacters));
42			}
43
44			return $commonCharacters;
45			}
46
47			/**
48			* @param string $hay
49			* @param string $needle
50			* @return bool
51			*/
52			private function stringBeginsWith($hay, $needle)
53			{
54			if ($needle === '') {
55			return true;
56			}
57
58			return strpos($hay, $needle) === 0;
59			}
60
61			/**
62			* @param string $commonCharacters
63			* @return string
64			*/
65			private function getPathFromCommonCharacters($commonCharacters)
66			{
67			if ($commonCharacters === '') {
68			return '';
69			}
70
71			$path = (substr($commonCharacters, -1) === '/') ? $commonCharacters : dirname($commonCharacters);
72			return realpath($path);
73			}
74			}
75

webfactory / zauberlehrling

determineCommonCharacters() A last analyzed 2022-10-06 08:15 UTC

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determineCommonCharacters() A
last analyzed 2022-10-06 08:15 UTC