ClassNamespaceResolverTrait::findClasses() - Code Metrics - Inspection of "Merge pull request #623 from Geolim4/master" - PHPSocialNetwork/phpfastcache - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 4e7427...4a94bb )

by Georges

created 2018-06-24 12:51 UTC

ClassNamespaceResolverTrait::findClasses() D

↳ Parent: ClassNamespaceResolverTrait

Complexity

Conditions	18
Paths	52

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	18
nc	52
nop	1
dl	0
loc	58
rs	4.8666
c	0
b	0
f	0

How to fix Long Method Complexity

<?php
/**
 *
 * This file is part of phpFastCache.
 *
 * @license MIT License (MIT)
 *
 * For full copyright and license information, please see the docs/CREDITS.txt file.
 *
 * @author Khoa Bui (khoaofgod)  <[email protected]> https://www.phpfastcache.com
 * @author Georges.L (Geolim4)  <[email protected]>
 *
 */
declare(strict_types=1);

namespace Phpfastcache\Util;

/**
 * Trait ClassNamespaceResolverTrait
 * @package phpFastCache\Core
 */
trait ClassNamespaceResolverTrait
{
    /**
     * @var string
     */
    protected $namespace;

    /**
     * @return string
     */
    protected function getClassNamespace(): string
    {
        if (!$this->namespace) {
            $this->namespace = \substr(static::class, 0, \strrpos(static::class, '\\'));
        }

        return $this->namespace;
    }

    /**
     * Iterate over all files in the given directory searching for classes.
     *
     * NOTICE: This method has been borrowed from Symfony ClassLoader 3.4 since they
     * deprecated the whole component as of SF4. Our thanks to them.
     *
     * @param \Iterator|string|array $dir The directory to search in or an iterator
     *
     * @return array A class map array
     */
    protected static function createClassMap($dir): array
    {
        if (\is_string($dir)) {
            $dir = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($dir));
        }
        $map = [];

        if (\is_array($dir) || $dir instanceof \Traversable) {

            foreach ($dir as $file) {
                if (!$file->isFile()) {
                    continue;
                }
                $path = $file->getRealPath() ?: $file->getPathname();
                if ('php' !== pathinfo($path, \PATHINFO_EXTENSION)) {
                    continue;
                }
                $classes = self::findClasses($path);
                if (\PHP_VERSION_ID >= 70000) {
                    // PHP 7 memory manager will not release after token_get_all(), see https://bugs.php.net/70098
                    \gc_mem_caches();
                }
                foreach ($classes as $class) {
                    $map[$class] = $path;
                }
            }
        }

        return $map;
    }

    /**
     * Extract the classes in the given file.
     *
     * NOTICE: This method has been borrowed from Symfony ClassLoader 3.4 since they
     * deprecated the whole component as of SF4. Our thanks to them.
     *
     * @param string $path The file to check
     *
     * @return array The found classes
     */
    protected static function findClasses(string $path): array
    {
        $contents = \file_get_contents($path);
        $tokens = \token_get_all($contents);
        $classes = [];
        $namespace = '';
        for ($i = 0; isset($tokens[$i]); ++$i) {
            $token = $tokens[$i];
            if (!isset($token[1])) {
                continue;
            }
            $class = '';
            switch ($token[0]) {
                case \T_NAMESPACE:
                    $namespace = '';
                    // If there is a namespace, extract it
                    while (isset($tokens[++$i][1])) {
                        if (\in_array($tokens[$i][0], [\T_STRING, \T_NS_SEPARATOR])) {
                            $namespace .= $tokens[$i][1];
                        }
                    }
                    $namespace .= '\\';
                    break;
                case \T_CLASS:
                case \T_INTERFACE:
                case \T_TRAIT:
                    // Skip usage of ::class constant
                    $isClassConstant = false;
                    for ($j = $i - 1; $j > 0; --$j) {
                        if (!isset($tokens[$j][1])) {
                            break;
                        }
                        if (\T_DOUBLE_COLON === $tokens[$j][0]) {
                            $isClassConstant = true;
                            break;
                        } elseif (!\in_array($tokens[$j][0], [\T_WHITESPACE, \T_DOC_COMMENT, \T_COMMENT], false)) {
                            break;
                        }
                    }
                    if ($isClassConstant) {
                        break;
                    }
                    // Find the classname
                    while (isset($tokens[++$i][1])) {
                        $t = $tokens[$i];
                        if (\T_STRING === $t[0]) {
                            $class .= $t[1];
                        } elseif ('' !== $class && \T_WHITESPACE === $t[0]) {
                            break;
                        }
                    }
                    $classes[] = \ltrim($namespace . $class, '\\');
                    break;
                default:
                    break;
            }
        }
        return $classes;
    }
}

1			<?php
2			/**
3			*
4			* This file is part of phpFastCache.
5			*
6			* @license MIT License (MIT)
7			*
8			* For full copyright and license information, please see the docs/CREDITS.txt file.
9			*
10			* @author Khoa Bui (khoaofgod) <[email protected]> https://www.phpfastcache.com
11			* @author Georges.L (Geolim4) <[email protected]>
12			*
13			*/
14			declare(strict_types=1);
15
16			namespace Phpfastcache\Util;
17
18			/**
19			* Trait ClassNamespaceResolverTrait
20			* @package phpFastCache\Core
21			*/
22			trait ClassNamespaceResolverTrait
23			{
24			/**
25			* @var string
26			*/
27			protected $namespace;
28
29			/**
30			* @return string
31			*/
32			protected function getClassNamespace(): string
33			{
34			if (!$this->namespace) {
35			$this->namespace = \substr(static::class, 0, \strrpos(static::class, '\\'));
36			}
37
38			return $this->namespace;
39			}
40
41			/**
42			* Iterate over all files in the given directory searching for classes.
43			*
44			* NOTICE: This method has been borrowed from Symfony ClassLoader 3.4 since they
45			* deprecated the whole component as of SF4. Our thanks to them.
46			*
47			* @param \Iterator\|string\|array $dir The directory to search in or an iterator
48			*
49			* @return array A class map array
50			*/
51			protected static function createClassMap($dir): array
52			{
53			if (\is_string($dir)) {
54			$dir = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($dir));
55			}
56			$map = [];
57
58			if (\is_array($dir) \|\| $dir instanceof \Traversable) {
			0 ignored issues – show introduced 2018-03-16 23:36 UTC by Report Bug Copy Issue Report `$dir` is always a sub-type of `Traversable`. Loading history...
59			foreach ($dir as $file) {
60			if (!$file->isFile()) {
61			continue;
62			}
63			$path = $file->getRealPath() ?: $file->getPathname();
64			if ('php' !== pathinfo($path, \PATHINFO_EXTENSION)) {
65			continue;
66			}
67			$classes = self::findClasses($path);
68			if (\PHP_VERSION_ID >= 70000) {
69			// PHP 7 memory manager will not release after token_get_all(), see https://bugs.php.net/70098
70			\gc_mem_caches();
71			}
72			foreach ($classes as $class) {
73			$map[$class] = $path;
74			}
75			}
76			}
77
78			return $map;
79			}
80
81			/**
82			* Extract the classes in the given file.
83			*
84			* NOTICE: This method has been borrowed from Symfony ClassLoader 3.4 since they
85			* deprecated the whole component as of SF4. Our thanks to them.
86			*
87			* @param string $path The file to check
88			*
89			* @return array The found classes
90			*/
91			protected static function findClasses(string $path): array
92			{
93			$contents = \file_get_contents($path);
94			$tokens = \token_get_all($contents);
95			$classes = [];
96			$namespace = '';
97			for ($i = 0; isset($tokens[$i]); ++$i) {
98			$token = $tokens[$i];
99			if (!isset($token[1])) {
100			continue;
101			}
102			$class = '';
103			switch ($token[0]) {
104			case \T_NAMESPACE:
105			$namespace = '';
106			// If there is a namespace, extract it
107			while (isset($tokens[++$i][1])) {
108			if (\in_array($tokens[$i][0], [\T_STRING, \T_NS_SEPARATOR])) {
109			$namespace .= $tokens[$i][1];
110			}
111			}
112			$namespace .= '\\';
113			break;
114			case \T_CLASS:
115			case \T_INTERFACE:
116			case \T_TRAIT:
117			// Skip usage of ::class constant
118			$isClassConstant = false;
119			for ($j = $i - 1; $j > 0; --$j) {
120			if (!isset($tokens[$j][1])) {
121			break;
122			}
123			if (\T_DOUBLE_COLON === $tokens[$j][0]) {
124			$isClassConstant = true;
125			break;
126			} elseif (!\in_array($tokens[$j][0], [\T_WHITESPACE, \T_DOC_COMMENT, \T_COMMENT], false)) {
127			break;
128			}
129			}
130			if ($isClassConstant) {
131			break;
132			}
133			// Find the classname
134			while (isset($tokens[++$i][1])) {
135			$t = $tokens[$i];
136			if (\T_STRING === $t[0]) {
137			$class .= $t[1];
138			} elseif ('' !== $class && \T_WHITESPACE === $t[0]) {
139			break;
140			}
141			}
142			$classes[] = \ltrim($namespace . $class, '\\');
143			break;
144			default:
145			break;
146			}
147			}
148			return $classes;
149			}
150			}

PHPSocialNetwork / phpfastcache

Push — master ( 4e7427...4a94bb )

ClassNamespaceResolverTrait::findClasses() D

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