StandardIndexBuilder::buildIndex() - Code Metrics - Inspection of "Replaced logical arithmetic by bit operations to m..." - storeman-io/storeman - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( ef5bef...038c42 )

by Arne

created 2018-06-26 17:59 UTC

StandardIndexBuilder::buildIndex() B

↳ Parent: StandardIndexBuilder

Complexity

Conditions	10
Paths	21

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	50
rs	7.2242
c	0
b	0
f	0
cc	10
nc	21
nop	2

How to fix Complexity

<?php

namespace Storeman\IndexBuilder;

use Psr\Log\LoggerAwareInterface;
use Psr\Log\LoggerInterface;
use Psr\Log\NullLogger;
use Storeman\Exception;
use Storeman\Hash\HashContainer;
use Storeman\Index\Index;
use Storeman\Index\IndexObject;
use Symfony\Component\Finder\Finder;
use Symfony\Component\Finder\SplFileInfo;

class StandardIndexBuilder implements IndexBuilderInterface, LoggerAwareInterface
{
    /**
     * @var LoggerInterface
     */
    protected $logger;

    public function __construct()
    {
        $this->logger = new NullLogger();
    }

    /**
     * {@inheritdoc}
     */
    public function setLogger(LoggerInterface $logger): void
    {
        $this->logger = $logger;
    }

    /**
     * {@inheritdoc}
     */
    public function buildIndex(string $path, array $excludedPathsRegexp = []): Index
    {
        $this->logger->info(sprintf("Building index using %s for path '%s' (excluded: %s)...", static::class, $path, implode(',', $excludedPathsRegexp) ?: '-'));

        if (!file_exists($path))
        {
            throw new \InvalidArgumentException("Given path '{$path}' does not exist.");
        }
        elseif (!is_dir($path))
        {
            throw new \InvalidArgumentException("Given path '{$path}' is not a directory.");
        }
        elseif (!is_readable($path))
        {
            throw new \InvalidArgumentException("Given directory '{$path}' is not readable.'");
        }

        $finder = new Finder();
        $finder->in($path);
        $finder->ignoreDotFiles(false);

        foreach ($excludedPathsRegexp as $excludedPathRegexp)
        {
            $finder->notPath($excludedPathRegexp);
        }

        $index = new Index();

        foreach ($finder->directories() as $fileInfo)
        {
            /** @var SplFileInfo $fileInfo */

            if ($indexObject = $this->buildIndexObject($path, $fileInfo->getRelativePathname()))
class A
{
    function getObject()
    {
        return null;
    }

}

$a = new A();
$object = $a->getObject();
            {
                $index->addObject($indexObject);
            }
        }

        foreach ($finder->files() as $fileInfo)
        {
            /** @var SplFileInfo $fileInfo */

            if ($indexObject = $this->buildIndexObject($path, $fileInfo->getRelativePathname()))
class A
{
    function getObject()
    {
        return null;
    }

}

$a = new A();
$object = $a->getObject();
            {
                $index->addObject($indexObject);
            }
        }

        return $index;
    }

    /**
     * {@inheritdoc}
     */
    public function buildIndexObject(string $basePath, string $relativePath): ?IndexObject
    {
        $absolutePath = rtrim($basePath, '/') . '/' . $relativePath;

        clearstatcache(null, $absolutePath);

        if (!($stat = @lstat($absolutePath)))
        {
            throw new Exception("lstat() failed for {$absolutePath}");
        }

        $size = $linkTarget = $hashContainer = null;

        switch ($stat['mode'] & 0xF000)
        {
            case 0x4000:
switch ($expr) {
    case "A": { //wrong
        doSomething();
        break;
    }
    case "B"; //wrong
        doSomething();
        break;
    case "C": //right
        doSomething();
        break;
}

                $type = IndexObject::TYPE_DIR;

                break;

            case 0x8000:
switch ($expr) {
case "A":
    doSomething(); //right
    break;
case "B":

    doSomethingElse(); //wrong
    break;

                $type = IndexObject::TYPE_FILE;
                $size = $stat['size'];
                $hashContainer = new HashContainer();

                break;

            case 0xA000:
switch ($expr) {
case "A":
    doSomething(); //right
    break;
case "B":

    doSomethingElse(); //wrong
    break;

                $type = IndexObject::TYPE_LINK;
                $linkTarget = readlink($absolutePath);

                if ($linkTarget === false)
                {
                    $this->logger->notice("Found broken link: {$absolutePath}");

                    // silently ignore broken links
                    return null;
                }

                break;

            default:
switch ($expr) {
    default:
        doSomething(); //right
        break;
}


switch ($expr) {
    default:

        doSomething(); //wrong
        break;
}

                // sockets, pipes, etc.
                return null;
        }

        return new IndexObject($relativePath, $type, $stat['mtime'], $stat['ctime'], $stat['mode'] & 0777, $size, $stat['ino'], $linkTarget, null, $hashContainer);
    }
}


1			<?php
2
3			namespace Storeman\IndexBuilder;
4
5			use Psr\Log\LoggerAwareInterface;
6			use Psr\Log\LoggerInterface;
7			use Psr\Log\NullLogger;
8			use Storeman\Exception;
9			use Storeman\Hash\HashContainer;
10			use Storeman\Index\Index;
11			use Storeman\Index\IndexObject;
12			use Symfony\Component\Finder\Finder;
13			use Symfony\Component\Finder\SplFileInfo;
14
15			class StandardIndexBuilder implements IndexBuilderInterface, LoggerAwareInterface
16			{
17			/**
18			* @var LoggerInterface
19			*/
20			protected $logger;
21
22			public function __construct()
23			{
24			$this->logger = new NullLogger();
25			}
26
27			/**
28			* {@inheritdoc}
29			*/
30			public function setLogger(LoggerInterface $logger): void
31			{
32			$this->logger = $logger;
33			}
34
35			/**
36			* {@inheritdoc}
37			*/
38			public function buildIndex(string $path, array $excludedPathsRegexp = []): Index
39			{
40			$this->logger->info(sprintf("Building index using %s for path '%s' (excluded: %s)...", static::class, $path, implode(',', $excludedPathsRegexp) ?: '-'));
41
42			if (!file_exists($path))
43			{
44			throw new \InvalidArgumentException("Given path '{$path}' does not exist.");
45			}
46			elseif (!is_dir($path))
47			{
48			throw new \InvalidArgumentException("Given path '{$path}' is not a directory.");
49			}
50			elseif (!is_readable($path))
51			{
52			throw new \InvalidArgumentException("Given directory '{$path}' is not readable.'");
53			}
54
55			$finder = new Finder();
56			$finder->in($path);
57			$finder->ignoreDotFiles(false);
58
59			foreach ($excludedPathsRegexp as $excludedPathRegexp)
60			{
61			$finder->notPath($excludedPathRegexp);
62			}
63
64			$index = new Index();
65
66			foreach ($finder->directories() as $fileInfo)
67			{
68			/** @var SplFileInfo $fileInfo */
69
70			if ($indexObject = $this->buildIndexObject($path, $fileInfo->getRelativePathname()))
			0 ignored issues – show Bug introduced 2018-06-22 00:31 UTC by Report Bug Copy Issue Report Are you sure the assignment to `$indexObject` is correct as `$this->buildIndexObject(...>getRelativePathname())` (which targets `Storeman\IndexBuilder\St...der::buildIndexObject()`) seems to always return null. This check looks for function or method calls that always return null and whose return value is assigned to a variable. class A { function getObject() { return null; } } $a = new A(); $object = $a->getObject(); The method `getObject()` can return nothing but null, so it makes no sense to assign that value to a variable. The reason is most likely that a function or method is imcomplete or has been reduced for debug purposes. Loading history...
71			{
72			$index->addObject($indexObject);
73			}
74			}
75
76			foreach ($finder->files() as $fileInfo)
77			{
78			/** @var SplFileInfo $fileInfo */
79
80			if ($indexObject = $this->buildIndexObject($path, $fileInfo->getRelativePathname()))
			0 ignored issues – show Bug introduced 2018-06-22 00:31 UTC by Report Bug Copy Issue Report Are you sure the assignment to `$indexObject` is correct as `$this->buildIndexObject(...>getRelativePathname())` (which targets `Storeman\IndexBuilder\St...der::buildIndexObject()`) seems to always return null. This check looks for function or method calls that always return null and whose return value is assigned to a variable. class A { function getObject() { return null; } } $a = new A(); $object = $a->getObject(); The method `getObject()` can return nothing but null, so it makes no sense to assign that value to a variable. The reason is most likely that a function or method is imcomplete or has been reduced for debug purposes. Loading history...
81			{
82			$index->addObject($indexObject);
83			}
84			}
85
86			return $index;
87			}
88
89			/**
90			* {@inheritdoc}
91			*/
92			public function buildIndexObject(string $basePath, string $relativePath): ?IndexObject
93			{
94			$absolutePath = rtrim($basePath, '/') . '/' . $relativePath;
95
96			clearstatcache(null, $absolutePath);
97
98			if (!($stat = @lstat($absolutePath)))
99			{
100			throw new Exception("lstat() failed for {$absolutePath}");
101			}
102
103			$size = $linkTarget = $hashContainer = null;
104
105			switch ($stat['mode'] & 0xF000)
106			{
107			case 0x4000:
			0 ignored issues – show Coding Style introduced 2018-06-22 00:31 UTC by Report Bug Copy Issue Report `case` statements should be defined using a colon. As per the PSR-2 coding standard, case statements should not be wrapped in curly braces. There is no need for braces, since each case is terminated by the next `break`. There is also the option to use a semicolon instead of a colon, this is discouraged because many programmers do not even know it works and the colon is universal between programming languages. switch ($expr) { case "A": { //wrong doSomething(); break; } case "B"; //wrong doSomething(); break; case "C": //right doSomething(); break; } To learn more about the PSR-2 coding standard, please refer to the PHP-Fig. Loading history...
108
109			$type = IndexObject::TYPE_DIR;
110
111			break;
112
113			case 0x8000:
			0 ignored issues – show Coding Style introduced 2018-06-22 00:31 UTC by Report Bug Copy Issue Report The case body in a switch statement must start on the line following the statement. According to the PSR-2, the body of a case statement must start on the line immediately following the case statement. switch ($expr) { case "A": doSomething(); //right break; case "B": doSomethingElse(); //wrong break; } To learn more about the PSR-2 coding standard, please refer to the PHP-Fig. Loading history...
114
115			$type = IndexObject::TYPE_FILE;
116			$size = $stat['size'];
117			$hashContainer = new HashContainer();
118
119			break;
120
121			case 0xA000:
			0 ignored issues – show Coding Style introduced 2018-06-22 00:31 UTC by Report Bug Copy Issue Report The case body in a switch statement must start on the line following the statement. According to the PSR-2, the body of a case statement must start on the line immediately following the case statement. switch ($expr) { case "A": doSomething(); //right break; case "B": doSomethingElse(); //wrong break; } To learn more about the PSR-2 coding standard, please refer to the PHP-Fig. Loading history...
122
123			$type = IndexObject::TYPE_LINK;
124			$linkTarget = readlink($absolutePath);
125
126			if ($linkTarget === false)
127			{
128			$this->logger->notice("Found broken link: {$absolutePath}");
129
130			// silently ignore broken links
131			return null;
132			}
133
134			break;
135
136			default:
			0 ignored issues – show Coding Style introduced 2018-06-22 00:31 UTC by Report Bug Copy Issue Report The default body in a switch statement must start on the line following the statement. According to the PSR-2, the body of a default statement must start on the line immediately following the statement. switch ($expr) { default: doSomething(); //right break; } switch ($expr) { default: doSomething(); //wrong break; } To learn more about the PSR-2 coding standard, please refer to the PHP-Fig. Loading history...
137
138			// sockets, pipes, etc.
139			return null;
140			}
141
142			return new IndexObject($relativePath, $type, $stat['mtime'], $stat['ctime'], $stat['mode'] & 0777, $size, $stat['ino'], $linkTarget, null, $hashContainer);
143			}
144			}
145

storeman-io / storeman

Push — master ( ef5bef...038c42 )

StandardIndexBuilder::buildIndex() B

Complexity

Size

Duplication

Importance

How to fix Complexity

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