SymfonyFileLocator::realpath() - Code Metrics - Inspection of "Add types to all interfaces." - doctrine/persistence - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#50)

by Jonathan

created 2019-04-18 19:55 UTC

SymfonyFileLocator::realpath() A

↳ Parent: SymfonyFileLocator

Complexity

Conditions	2
Paths	2

Size

Total Lines	9
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	2.032

Importance

Changes

Metric	Value
eloc	4
dl	0
loc	9
ccs	4
cts	5
cp	0.8
rs	10
c	0
b	0
f	0
cc	2
nc	2
nop	1
crap	2.032

<?php

declare(strict_types=1);

namespace Doctrine\Persistence\Mapping\Driver;

use Doctrine\Persistence\Mapping\MappingException;
use InvalidArgumentException;
use RecursiveDirectoryIterator;
use RecursiveIteratorIterator;
use RuntimeException;
use const DIRECTORY_SEPARATOR;
use function array_keys;
use function array_merge;
use function is_dir;
use function is_file;
use function realpath;
use function sprintf;
use function str_replace;
use function strlen;
use function strpos;
use function strrpos;
use function strtr;
use function substr;

/**
 * The Symfony File Locator makes a simplifying assumptions compared
 * to the DefaultFileLocator. By assuming paths only contain entities of a certain
 * namespace the mapping files consists of the short classname only.
 */
class SymfonyFileLocator implements FileLocator
{
    /**
     * The paths where to look for mapping files.
     *
     * @var string[]
     */
    protected $paths = [];

    /**
     * A map of mapping directory path to namespace prefix used to expand class shortnames.
     *
     * @var string[]
     */
    protected $prefixes = [];

    /**
     * File extension that is searched for.
     *
     * @var string|null
     */
    protected $fileExtension;

    /**
     * Represents PHP namespace delimiters when looking for files
     *
     * @var string
     */
    private $nsSeparator;

    /**
     * @param string[] $prefixes
     * @param string   $nsSeparator String which would be used when converting FQCN to filename and vice versa. Should not be empty
     */
    public function __construct(
        array $prefixes,
        ?string $fileExtension = null,
        ?string $nsSeparator = '.'
    ) {
        $this->addNamespacePrefixes($prefixes);
        $this->fileExtension = $fileExtension;

        if ($nsSeparator === null || $nsSeparator === '') {
            throw new InvalidArgumentException('Namespace separator should not be empty');
        }

        $this->nsSeparator = $nsSeparator;
    }

    /**
     * Adds Namespace Prefixes.
     *
     * @param string[] $prefixes
     */
    public function addNamespacePrefixes(array $prefixes) : void
    {
        $this->prefixes = array_merge($this->prefixes, $prefixes);
        $this->paths    = array_merge($this->paths, array_keys($prefixes));
    }

    /**
     * Gets Namespace Prefixes.
     *
     * @return string[]
     */
    public function getNamespacePrefixes() : array
    {
        return $this->prefixes;
    }

    /**
     * {@inheritDoc}
     */
    public function getPaths() : array
    {
        return $this->paths;
    }

    /**
     * {@inheritDoc}
     */
    public function getFileExtension() : ?string
    {
        return $this->fileExtension;
    }

    /**
     * Sets the file extension used to look for mapping files under.
     *
     * @param string $fileExtension The file extension to set.
     */
    public function setFileExtension(string $fileExtension) : void
    {
        $this->fileExtension = $fileExtension;
    }

    /**
     * {@inheritDoc}
     */
    public function fileExists(string $className) : bool
    {
        $defaultFileName = str_replace('\\', $this->nsSeparator, $className) . $this->fileExtension;

        foreach ($this->paths as $path) {
            if (! isset($this->prefixes[$path])) {
                // global namespace class
                if (is_file($path . DIRECTORY_SEPARATOR . $defaultFileName)) {
                    return true;
                }

                continue;
            }

            $prefix = $this->prefixes[$path];

            if (strpos($className, $prefix . '\\') !== 0) {
                continue;
            }

            $filename = $path . '/' . strtr(substr($className, strlen($prefix) + 1), '\\', $this->nsSeparator) . $this->fileExtension;

            if (is_file($filename)) {
                return true;
            }
        }

        return false;
    }

    /**
     * {@inheritDoc}
     */
    public function getAllClassNames(?string $globalBasename = null) : array
    {
        if ($this->paths === []) {
            return [];
        }

        $classes = [];

        foreach ($this->paths as $path) {
            if (! is_dir($path)) {
                throw MappingException::fileMappingDriversRequireConfiguredDirectoryPath($path);
            }

            $iterator = new RecursiveIteratorIterator(
                new RecursiveDirectoryIterator($path),
                RecursiveIteratorIterator::LEAVES_ONLY
            );

            foreach ($iterator as $file) {
                $fileName = $file->getBasename($this->fileExtension);

                if ($fileName === $file->getBasename() || $fileName === $globalBasename) {
                    continue;
                }

                // NOTE: All files found here means classes are not transient!
                if (isset($this->prefixes[$path])) {
                    // Calculate namespace suffix for given prefix as a relative path from basepath to file path
                    $nsSuffix = strtr(
                        substr($this->realpath($file->getPath()), strlen($this->realpath($path))),
                        $this->nsSeparator,
                        '\\'
                    );

                    $classes[] = $this->prefixes[$path] . str_replace(DIRECTORY_SEPARATOR, '\\', $nsSuffix) . '\\' . str_replace($this->nsSeparator, '\\', $fileName);
                } else {
                    /** @var string $className */
                    $className = str_replace($this->nsSeparator, '\\', $fileName);

                    $classes[] = $className;
                }
            }
        }

        return $classes;
    }

    /**
     * {@inheritDoc}
     */
    public function findMappingFile(string $className) : string
    {
        $defaultFileName = str_replace('\\', $this->nsSeparator, $className) . $this->fileExtension;
        foreach ($this->paths as $path) {
            if (! isset($this->prefixes[$path])) {
                if (is_file($path . DIRECTORY_SEPARATOR . $defaultFileName)) {
                    return $path . DIRECTORY_SEPARATOR . $defaultFileName;
                }

                continue;
            }

            $prefix = $this->prefixes[$path];

            if (strpos($className, $prefix . '\\') !== 0) {
                continue;
            }

            $filename = $path . '/' . strtr(substr($className, strlen($prefix) + 1), '\\', $this->nsSeparator) . $this->fileExtension;
            if (is_file($filename)) {
                return $filename;
            }
        }

        /** @var int $pos */
        $pos = strrpos($className, '\\');

        throw MappingException::mappingFileNotFound(
            $className,
            substr($className, $pos + 1) . $this->fileExtension
        );
    }

    private function realpath(string $path) : string
    {
        $realpath = realpath($path);

        if ($realpath === false) {
            throw new RuntimeException(sprintf('Could not get realpath for %s', $path));
        }

        return $realpath;
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Doctrine\Persistence\Mapping\Driver;
6
7		use Doctrine\Persistence\Mapping\MappingException;
8		use InvalidArgumentException;
9		use RecursiveDirectoryIterator;
10		use RecursiveIteratorIterator;
11		use RuntimeException;
12		use const DIRECTORY_SEPARATOR;
13		use function array_keys;
14		use function array_merge;
15		use function is_dir;
16		use function is_file;
17		use function realpath;
18		use function sprintf;
19		use function str_replace;
20		use function strlen;
21		use function strpos;
22		use function strrpos;
23		use function strtr;
24		use function substr;
25
26		/**
27		* The Symfony File Locator makes a simplifying assumptions compared
28		* to the DefaultFileLocator. By assuming paths only contain entities of a certain
29		* namespace the mapping files consists of the short classname only.
30		*/
31		class SymfonyFileLocator implements FileLocator
32		{
33		/**
34		* The paths where to look for mapping files.
35		*
36		* @var string[]
37		*/
38		protected $paths = [];
39
40		/**
41		* A map of mapping directory path to namespace prefix used to expand class shortnames.
42		*
43		* @var string[]
44		*/
45		protected $prefixes = [];
46
47		/**
48		* File extension that is searched for.
49		*
50		* @var string\|null
51		*/
52		protected $fileExtension;
53
54		/**
55		* Represents PHP namespace delimiters when looking for files
56		*
57		* @var string
58		*/
59		private $nsSeparator;
60
61		/**
62		* @param string[] $prefixes
63		* @param string $nsSeparator String which would be used when converting FQCN to filename and vice versa. Should not be empty
64		*/
65	14	public function __construct(
66		array $prefixes,
67		?string $fileExtension = null,
68		?string $nsSeparator = '.'
69		) {
70	14	$this->addNamespacePrefixes($prefixes);
71	14	$this->fileExtension = $fileExtension;
72
73	14	if ($nsSeparator === null \|\| $nsSeparator === '') {
74	1	throw new InvalidArgumentException('Namespace separator should not be empty');
75		}
76
77	13	$this->nsSeparator = $nsSeparator;
78	13	}
79
80		/**
81		* Adds Namespace Prefixes.
82		*
83		* @param string[] $prefixes
84		*/
85	14	public function addNamespacePrefixes(array $prefixes) : void
86		{
87	14	$this->prefixes = array_merge($this->prefixes, $prefixes);
88	14	$this->paths = array_merge($this->paths, array_keys($prefixes));
89	14	}
90
91		/**
92		* Gets Namespace Prefixes.
93		*
94		* @return string[]
95		*/
96	1	public function getNamespacePrefixes() : array
97		{
98	1	return $this->prefixes;
99		}
100
101		/**
102		* {@inheritDoc}
103		*/
104	1	public function getPaths() : array
105		{
106	1	return $this->paths;
107		}
108
109		/**
110		* {@inheritDoc}
111		*/
112	1	public function getFileExtension() : ?string
113		{
114	1	return $this->fileExtension;
115		}
116
117		/**
118		* Sets the file extension used to look for mapping files under.
119		*
120		* @param string $fileExtension The file extension to set.
121		*/
122	1	public function setFileExtension(string $fileExtension) : void
123		{
124	1	$this->fileExtension = $fileExtension;
125	1	}
126
127		/**
128		* {@inheritDoc}
129		*/
130	1	public function fileExists(string $className) : bool
131		{
132	1	$defaultFileName = str_replace('\\', $this->nsSeparator, $className) . $this->fileExtension;
133
134	1	foreach ($this->paths as $path) {
135	1	if (! isset($this->prefixes[$path])) {
136		// global namespace class
137		if (is_file($path . DIRECTORY_SEPARATOR . $defaultFileName)) {
138		return true;
139		}
140
141		continue;
142		}
143
144	1	$prefix = $this->prefixes[$path];
145
146	1	if (strpos($className, $prefix . '\\') !== 0) {
147		continue;
148		}
149
150	1	$filename = $path . '/' . strtr(substr($className, strlen($prefix) + 1), '\\', $this->nsSeparator) . $this->fileExtension;
151
152	1	if (is_file($filename)) {
153	1	return true;
154		}
155		}
156
157	1	return false;
158		}
159
160		/**
161		* {@inheritDoc}
162		*/
163	3	public function getAllClassNames(?string $globalBasename = null) : array
164		{
165	3	if ($this->paths === []) {
166		return [];
167		}
168
169	3	$classes = [];
170
171	3	foreach ($this->paths as $path) {
172	3	if (! is_dir($path)) {
173		throw MappingException::fileMappingDriversRequireConfiguredDirectoryPath($path);
174		}
175
176	3	$iterator = new RecursiveIteratorIterator(
177	3	new RecursiveDirectoryIterator($path),
178	3	RecursiveIteratorIterator::LEAVES_ONLY
179		);
180
181	3	foreach ($iterator as $file) {
182	3	$fileName = $file->getBasename($this->fileExtension);
183
184	3	if ($fileName === $file->getBasename() \|\| $fileName === $globalBasename) {
185	3	continue;
186		}
187
188		// NOTE: All files found here means classes are not transient!
189	3	if (isset($this->prefixes[$path])) {
190		// Calculate namespace suffix for given prefix as a relative path from basepath to file path
191	3	$nsSuffix = strtr(
192	3	substr($this->realpath($file->getPath()), strlen($this->realpath($path))),
193	3	$this->nsSeparator,
194	3	'\\'
195		);
196
197	3	$classes[] = $this->prefixes[$path] . str_replace(DIRECTORY_SEPARATOR, '\\', $nsSuffix) . '\\' . str_replace($this->nsSeparator, '\\', $fileName);
198		} else {
199		/** @var string $className */
200		$className = str_replace($this->nsSeparator, '\\', $fileName);
201
202		$classes[] = $className;
203		}
204		}
205		}
206
207	3	return $classes;
208		}
209
210		/**
211		* {@inheritDoc}
212		*/
213	6	public function findMappingFile(string $className) : string
214		{
215	6	$defaultFileName = str_replace('\\', $this->nsSeparator, $className) . $this->fileExtension;
216	6	foreach ($this->paths as $path) {
217	6	if (! isset($this->prefixes[$path])) {
218		if (is_file($path . DIRECTORY_SEPARATOR . $defaultFileName)) {
219		return $path . DIRECTORY_SEPARATOR . $defaultFileName;
220		}
221
222		continue;
223		}
224
225	6	$prefix = $this->prefixes[$path];
226
227	6	if (strpos($className, $prefix . '\\') !== 0) {
228		continue;
229		}
230
231	6	$filename = $path . '/' . strtr(substr($className, strlen($prefix) + 1), '\\', $this->nsSeparator) . $this->fileExtension;
232	6	if (is_file($filename)) {
233	5	return $filename;
234		}
235		}
236
237		/** @var int $pos */
238	1	$pos = strrpos($className, '\\');
239
240	1	throw MappingException::mappingFileNotFound(
241	1	$className,
242	1	substr($className, $pos + 1) . $this->fileExtension
243		);
244		}
245
246	3	private function realpath(string $path) : string
247		{
248	3	$realpath = realpath($path);
249
250	3	if ($realpath === false) {
251		throw new RuntimeException(sprintf('Could not get realpath for %s', $path));
252		}
253
254	3	return $realpath;
255		}
256		}
257

doctrine / persistence

Pull Request — master (#50)

SymfonyFileLocator::realpath() A

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