ClassLoader::findFileWithExtension() - Code Metrics - Inspection of "ignore" - OsvaldoGDelRio/persona - Measure and Improve Code Quality continuously with Scrutinizer

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by Osvaldo

created 2021-08-25 20:37 UTC

ClassLoader::findFileWithExtension() D

↳ Parent: Project

Complexity

Conditions	18
Paths	91

Size

Total Lines	64
Code Lines	32

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	0	Features	0

Metric	Value
cc	18
eloc	32
c	2
b	0
f	0
nc	91
nop	2
dl	0
loc	64
rs	4.8666

How to fix Long Method Complexity

<?php

/*
 * This file is part of Composer.
 *
 * (c) Nils Adermann <[email protected]>
 *     Jordi Boggiano <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Composer\Autoload;

/**
 * ClassLoader implements a PSR-0, PSR-4 and classmap class loader.
 *
 *     $loader = new \Composer\Autoload\ClassLoader();
 *
 *     // register classes with namespaces
 *     $loader->add('Symfony\Component', __DIR__.'/component');
 *     $loader->add('Symfony',           __DIR__.'/framework');
 *
 *     // activate the autoloader
 *     $loader->register();
 *
 *     // to enable searching the include path (eg. for PEAR packages)
 *     $loader->setUseIncludePath(true);
 *
 * In this example, if you try to use a class in the Symfony\Component
 * namespace or one of its children (Symfony\Component\Console for instance),
 * the autoloader will first look for the class under the component/
 * directory, and it will then fallback to the framework/ directory if not
 * found before giving up.
 *
 * This class is loosely based on the Symfony UniversalClassLoader.
 *
 * @author Fabien Potencier <[email protected]>
 * @author Jordi Boggiano <[email protected]>
 * @see    https://www.php-fig.org/psr/psr-0/
 * @see    https://www.php-fig.org/psr/psr-4/
 */
class ClassLoader
{
    private $vendorDir;

    // PSR-4
    private $prefixLengthsPsr4 = array();
    private $prefixDirsPsr4 = array();
    private $fallbackDirsPsr4 = array();

    // PSR-0
    private $prefixesPsr0 = array();
    private $fallbackDirsPsr0 = array();

    private $useIncludePath = false;
    private $classMap = array();
    private $classMapAuthoritative = false;
    private $missingClasses = array();
    private $apcuPrefix;

    private static $registeredLoaders = array();

    public function __construct($vendorDir = null)
    {
        $this->vendorDir = $vendorDir;
    }

    public function getPrefixes()
    {
        if (!empty($this->prefixesPsr0)) {
            return call_user_func_array('array_merge', array_values($this->prefixesPsr0));
        }

        return array();
    }

    public function getPrefixesPsr4()
    {
        return $this->prefixDirsPsr4;
    }

    public function getFallbackDirs()
    {
        return $this->fallbackDirsPsr0;
    }

    public function getFallbackDirsPsr4()
    {
        return $this->fallbackDirsPsr4;
    }

    public function getClassMap()
    {
        return $this->classMap;
    }

    /**
     * @param array $classMap Class to filename map
     */
    public function addClassMap(array $classMap)
    {
        if ($this->classMap) {
            $this->classMap = array_merge($this->classMap, $classMap);
        } else {
            $this->classMap = $classMap;
        }
    }

    /**
     * Registers a set of PSR-0 directories for a given prefix, either
     * appending or prepending to the ones previously set for this prefix.
     *
     * @param string       $prefix  The prefix
     * @param array|string $paths   The PSR-0 root directories
     * @param bool         $prepend Whether to prepend the directories
     */
    public function add($prefix, $paths, $prepend = false)
    {
        if (!$prefix) {
            if ($prepend) {
                $this->fallbackDirsPsr0 = array_merge(
                    (array) $paths,
                    $this->fallbackDirsPsr0
                );
            } else {
                $this->fallbackDirsPsr0 = array_merge(
                    $this->fallbackDirsPsr0,
                    (array) $paths
                );
            }

            return;
        }

        $first = $prefix[0];
        if (!isset($this->prefixesPsr0[$first][$prefix])) {
            $this->prefixesPsr0[$first][$prefix] = (array) $paths;

            return;
        }
        if ($prepend) {
            $this->prefixesPsr0[$first][$prefix] = array_merge(
                (array) $paths,
                $this->prefixesPsr0[$first][$prefix]
            );
        } else {
            $this->prefixesPsr0[$first][$prefix] = array_merge(
                $this->prefixesPsr0[$first][$prefix],
                (array) $paths
            );
        }
    }

    /**
     * Registers a set of PSR-4 directories for a given namespace, either
     * appending or prepending to the ones previously set for this namespace.
     *
     * @param string       $prefix  The prefix/namespace, with trailing '\\'
     * @param array|string $paths   The PSR-4 base directories
     * @param bool         $prepend Whether to prepend the directories
     *
     * @throws \InvalidArgumentException
     */
    public function addPsr4($prefix, $paths, $prepend = false)
    {
        if (!$prefix) {
            // Register directories for the root namespace.
            if ($prepend) {
                $this->fallbackDirsPsr4 = array_merge(
                    (array) $paths,
                    $this->fallbackDirsPsr4
                );
            } else {
                $this->fallbackDirsPsr4 = array_merge(
                    $this->fallbackDirsPsr4,
                    (array) $paths
                );
            }
        } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
            // Register directories for a new namespace.
            $length = strlen($prefix);
            if ('\\' !== $prefix[$length - 1]) {
                throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
            }
            $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
            $this->prefixDirsPsr4[$prefix] = (array) $paths;
        } elseif ($prepend) {
            // Prepend directories for an already registered namespace.
            $this->prefixDirsPsr4[$prefix] = array_merge(
                (array) $paths,
                $this->prefixDirsPsr4[$prefix]
            );
        } else {
            // Append directories for an already registered namespace.
            $this->prefixDirsPsr4[$prefix] = array_merge(
                $this->prefixDirsPsr4[$prefix],
                (array) $paths
            );
        }
    }

    /**
     * Registers a set of PSR-0 directories for a given prefix,
     * replacing any others previously set for this prefix.
     *
     * @param string       $prefix The prefix
     * @param array|string $paths  The PSR-0 base directories
     */
    public function set($prefix, $paths)
    {
        if (!$prefix) {
            $this->fallbackDirsPsr0 = (array) $paths;
        } else {
            $this->prefixesPsr0[$prefix[0]][$prefix] = (array) $paths;
        }
    }

    /**
     * Registers a set of PSR-4 directories for a given namespace,
     * replacing any others previously set for this namespace.
     *
     * @param string       $prefix The prefix/namespace, with trailing '\\'
     * @param array|string $paths  The PSR-4 base directories
     *
     * @throws \InvalidArgumentException
     */
    public function setPsr4($prefix, $paths)
    {
        if (!$prefix) {
            $this->fallbackDirsPsr4 = (array) $paths;
        } else {
            $length = strlen($prefix);
            if ('\\' !== $prefix[$length - 1]) {
                throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
            }
            $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
            $this->prefixDirsPsr4[$prefix] = (array) $paths;
        }
    }

    /**
     * Turns on searching the include path for class files.
     *
     * @param bool $useIncludePath
     */
    public function setUseIncludePath($useIncludePath)
    {
        $this->useIncludePath = $useIncludePath;
    }

    /**
     * Can be used to check if the autoloader uses the include path to check
     * for classes.
     *
     * @return bool
     */
    public function getUseIncludePath()
    {
        return $this->useIncludePath;
    }

    /**
     * Turns off searching the prefix and fallback directories for classes
     * that have not been registered with the class map.
     *
     * @param bool $classMapAuthoritative
     */
    public function setClassMapAuthoritative($classMapAuthoritative)
    {
        $this->classMapAuthoritative = $classMapAuthoritative;
    }

    /**
     * Should class lookup fail if not found in the current class map?
     *
     * @return bool
     */
    public function isClassMapAuthoritative()
    {
        return $this->classMapAuthoritative;
    }

    /**
     * APCu prefix to use to cache found/not-found classes, if the extension is enabled.
     *
     * @param string|null $apcuPrefix
     */
    public function setApcuPrefix($apcuPrefix)
    {
        $this->apcuPrefix = function_exists('apcu_fetch') && filter_var(ini_get('apc.enabled'), FILTER_VALIDATE_BOOLEAN) ? $apcuPrefix : null;
    }

    /**
     * The APCu prefix in use, or null if APCu caching is not enabled.
     *
     * @return string|null
     */
    public function getApcuPrefix()
    {
        return $this->apcuPrefix;
    }

    /**
     * Registers this instance as an autoloader.
     *
     * @param bool $prepend Whether to prepend the autoloader or not
     */
    public function register($prepend = false)
    {
        spl_autoload_register(array($this, 'loadClass'), true, $prepend);

        if (null === $this->vendorDir) {
            return;
        }

        if ($prepend) {
            self::$registeredLoaders = array($this->vendorDir => $this) + self::$registeredLoaders;
        } else {
            unset(self::$registeredLoaders[$this->vendorDir]);
            self::$registeredLoaders[$this->vendorDir] = $this;
        }
    }

    /**
     * Unregisters this instance as an autoloader.
     */
    public function unregister()
    {
        spl_autoload_unregister(array($this, 'loadClass'));

        if (null !== $this->vendorDir) {
            unset(self::$registeredLoaders[$this->vendorDir]);
        }
    }

    /**
     * Loads the given class or interface.
     *
     * @param  string    $class The name of the class
     * @return true|null True if loaded, null otherwise
     */
    public function loadClass($class)
    {
        if ($file = $this->findFile($class)) {
            includeFile($file);

            return true;
        }

        return null;
    }

    /**
     * Finds the path to the file where the class is defined.
     *
     * @param string $class The name of the class
     *
     * @return string|false The path if found, false otherwise
     */
    public function findFile($class)
    {
        // class map lookup
        if (isset($this->classMap[$class])) {
            return $this->classMap[$class];
        }
        if ($this->classMapAuthoritative || isset($this->missingClasses[$class])) {
            return false;
        }
        if (null !== $this->apcuPrefix) {
            $file = apcu_fetch($this->apcuPrefix.$class, $hit);
            if ($hit) {
                return $file;
            }
        }

        $file = $this->findFileWithExtension($class, '.php');

        // Search for Hack files if we are running on HHVM
        if (false === $file && defined('HHVM_VERSION')) {
            $file = $this->findFileWithExtension($class, '.hh');
        }

        if (null !== $this->apcuPrefix) {
            apcu_add($this->apcuPrefix.$class, $file);
        }

        if (false === $file) {
            // Remember that this class does not exist.
            $this->missingClasses[$class] = true;
        }

        return $file;
    }

    /**
     * Returns the currently registered loaders indexed by their corresponding vendor directories.
     *
     * @return self[]
     */
    public static function getRegisteredLoaders()
    {
        return self::$registeredLoaders;
    }

    private function findFileWithExtension($class, $ext)
    {
        // PSR-4 lookup
        $logicalPathPsr4 = strtr($class, '\\', DIRECTORY_SEPARATOR) . $ext;

        $first = $class[0];
        if (isset($this->prefixLengthsPsr4[$first])) {
            $subPath = $class;
            while (false !== $lastPos = strrpos($subPath, '\\')) {
                $subPath = substr($subPath, 0, $lastPos);
                $search = $subPath . '\\';
                if (isset($this->prefixDirsPsr4[$search])) {
                    $pathEnd = DIRECTORY_SEPARATOR . substr($logicalPathPsr4, $lastPos + 1);
                    foreach ($this->prefixDirsPsr4[$search] as $dir) {
                        if (file_exists($file = $dir . $pathEnd)) {
                            return $file;
                        }
                    }
                }
            }
        }

        // PSR-4 fallback dirs
        foreach ($this->fallbackDirsPsr4 as $dir) {
            if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr4)) {
                return $file;
            }
        }

        // PSR-0 lookup
        if (false !== $pos = strrpos($class, '\\')) {
            // namespaced class name
            $logicalPathPsr0 = substr($logicalPathPsr4, 0, $pos + 1)
                . strtr(substr($logicalPathPsr4, $pos + 1), '_', DIRECTORY_SEPARATOR);
        } else {
            // PEAR-like class name
            $logicalPathPsr0 = strtr($class, '_', DIRECTORY_SEPARATOR) . $ext;
        }

        if (isset($this->prefixesPsr0[$first])) {
            foreach ($this->prefixesPsr0[$first] as $prefix => $dirs) {
                if (0 === strpos($class, $prefix)) {
                    foreach ($dirs as $dir) {
                        if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) {
                            return $file;
                        }
                    }
                }
            }
        }

        // PSR-0 fallback dirs
        foreach ($this->fallbackDirsPsr0 as $dir) {
            if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) {
                return $file;
            }
        }

        // PSR-0 include paths.
        if ($this->useIncludePath && $file = stream_resolve_include_path($logicalPathPsr0)) {
            return $file;
        }

        return false;
    }
}

/**
 * Scope isolated include.
 *
 * Prevents access to $this/self from included files.
 */
function includeFile($file)
{
    include $file;
}


1			<?php
2
3			/*
4			* This file is part of Composer.
5			*
6			* (c) Nils Adermann <[email protected]>
7			* Jordi Boggiano <[email protected]>
8			*
9			* For the full copyright and license information, please view the LICENSE
10			* file that was distributed with this source code.
11			*/
12
13			namespace Composer\Autoload;
14
15			/**
16			* ClassLoader implements a PSR-0, PSR-4 and classmap class loader.
17			*
18			* $loader = new \Composer\Autoload\ClassLoader();
19			*
20			* // register classes with namespaces
21			* $loader->add('Symfony\Component', __DIR__.'/component');
22			* $loader->add('Symfony', __DIR__.'/framework');
23			*
24			* // activate the autoloader
25			* $loader->register();
26			*
27			* // to enable searching the include path (eg. for PEAR packages)
28			* $loader->setUseIncludePath(true);
29			*
30			* In this example, if you try to use a class in the Symfony\Component
31			* namespace or one of its children (Symfony\Component\Console for instance),
32			* the autoloader will first look for the class under the component/
33			* directory, and it will then fallback to the framework/ directory if not
34			* found before giving up.
35			*
36			* This class is loosely based on the Symfony UniversalClassLoader.
37			*
38			* @author Fabien Potencier <[email protected]>
39			* @author Jordi Boggiano <[email protected]>
40			* @see https://www.php-fig.org/psr/psr-0/
41			* @see https://www.php-fig.org/psr/psr-4/
42			*/
43			class ClassLoader
44			{
45			private $vendorDir;
46
47			// PSR-4
48			private $prefixLengthsPsr4 = array();
49			private $prefixDirsPsr4 = array();
50			private $fallbackDirsPsr4 = array();
51
52			// PSR-0
53			private $prefixesPsr0 = array();
54			private $fallbackDirsPsr0 = array();
55
56			private $useIncludePath = false;
57			private $classMap = array();
58			private $classMapAuthoritative = false;
59			private $missingClasses = array();
60			private $apcuPrefix;
61
62			private static $registeredLoaders = array();
63
64			public function __construct($vendorDir = null)
65			{
66			$this->vendorDir = $vendorDir;
67			}
68
69			public function getPrefixes()
70			{
71			if (!empty($this->prefixesPsr0)) {
72			return call_user_func_array('array_merge', array_values($this->prefixesPsr0));
73			}
74
75			return array();
76			}
77
78			public function getPrefixesPsr4()
79			{
80			return $this->prefixDirsPsr4;
81			}
82
83			public function getFallbackDirs()
84			{
85			return $this->fallbackDirsPsr0;
86			}
87
88			public function getFallbackDirsPsr4()
89			{
90			return $this->fallbackDirsPsr4;
91			}
92
93			public function getClassMap()
94			{
95			return $this->classMap;
96			}
97
98			/**
99			* @param array $classMap Class to filename map
100			*/
101			public function addClassMap(array $classMap)
102			{
103			if ($this->classMap) {
104			$this->classMap = array_merge($this->classMap, $classMap);
105			} else {
106			$this->classMap = $classMap;
107			}
108			}
109
110			/**
111			* Registers a set of PSR-0 directories for a given prefix, either
112			* appending or prepending to the ones previously set for this prefix.
113			*
114			* @param string $prefix The prefix
115			* @param array\|string $paths The PSR-0 root directories
116			* @param bool $prepend Whether to prepend the directories
117			*/
118			public function add($prefix, $paths, $prepend = false)
119			{
120			if (!$prefix) {
121			if ($prepend) {
122			$this->fallbackDirsPsr0 = array_merge(
123			(array) $paths,
124			$this->fallbackDirsPsr0
125			);
126			} else {
127			$this->fallbackDirsPsr0 = array_merge(
128			$this->fallbackDirsPsr0,
129			(array) $paths
130			);
131			}
132
133			return;
134			}
135
136			$first = $prefix[0];
137			if (!isset($this->prefixesPsr0[$first][$prefix])) {
138			$this->prefixesPsr0[$first][$prefix] = (array) $paths;
139
140			return;
141			}
142			if ($prepend) {
143			$this->prefixesPsr0[$first][$prefix] = array_merge(
144			(array) $paths,
145			$this->prefixesPsr0[$first][$prefix]
146			);
147			} else {
148			$this->prefixesPsr0[$first][$prefix] = array_merge(
149			$this->prefixesPsr0[$first][$prefix],
150			(array) $paths
151			);
152			}
153			}
154
155			/**
156			* Registers a set of PSR-4 directories for a given namespace, either
157			* appending or prepending to the ones previously set for this namespace.
158			*
159			* @param string $prefix The prefix/namespace, with trailing '\\'
160			* @param array\|string $paths The PSR-4 base directories
161			* @param bool $prepend Whether to prepend the directories
162			*
163			* @throws \InvalidArgumentException
164			*/
165			public function addPsr4($prefix, $paths, $prepend = false)
166			{
167			if (!$prefix) {
168			// Register directories for the root namespace.
169			if ($prepend) {
170			$this->fallbackDirsPsr4 = array_merge(
171			(array) $paths,
172			$this->fallbackDirsPsr4
173			);
174			} else {
175			$this->fallbackDirsPsr4 = array_merge(
176			$this->fallbackDirsPsr4,
177			(array) $paths
178			);
179			}
180			} elseif (!isset($this->prefixDirsPsr4[$prefix])) {
181			// Register directories for a new namespace.
182			$length = strlen($prefix);
183			if ('\\' !== $prefix[$length - 1]) {
184			throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
185			}
186			$this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
187			$this->prefixDirsPsr4[$prefix] = (array) $paths;
188			} elseif ($prepend) {
189			// Prepend directories for an already registered namespace.
190			$this->prefixDirsPsr4[$prefix] = array_merge(
191			(array) $paths,
192			$this->prefixDirsPsr4[$prefix]
193			);
194			} else {
195			// Append directories for an already registered namespace.
196			$this->prefixDirsPsr4[$prefix] = array_merge(
197			$this->prefixDirsPsr4[$prefix],
198			(array) $paths
199			);
200			}
201			}
202
203			/**
204			* Registers a set of PSR-0 directories for a given prefix,
205			* replacing any others previously set for this prefix.
206			*
207			* @param string $prefix The prefix
208			* @param array\|string $paths The PSR-0 base directories
209			*/
210			public function set($prefix, $paths)
211			{
212			if (!$prefix) {
213			$this->fallbackDirsPsr0 = (array) $paths;
214			} else {
215			$this->prefixesPsr0[$prefix[0]][$prefix] = (array) $paths;
216			}
217			}
218
219			/**
220			* Registers a set of PSR-4 directories for a given namespace,
221			* replacing any others previously set for this namespace.
222			*
223			* @param string $prefix The prefix/namespace, with trailing '\\'
224			* @param array\|string $paths The PSR-4 base directories
225			*
226			* @throws \InvalidArgumentException
227			*/
228			public function setPsr4($prefix, $paths)
229			{
230			if (!$prefix) {
231			$this->fallbackDirsPsr4 = (array) $paths;
232			} else {
233			$length = strlen($prefix);
234			if ('\\' !== $prefix[$length - 1]) {
235			throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
236			}
237			$this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
238			$this->prefixDirsPsr4[$prefix] = (array) $paths;
239			}
240			}
241
242			/**
243			* Turns on searching the include path for class files.
244			*
245			* @param bool $useIncludePath
246			*/
247			public function setUseIncludePath($useIncludePath)
248			{
249			$this->useIncludePath = $useIncludePath;
250			}
251
252			/**
253			* Can be used to check if the autoloader uses the include path to check
254			* for classes.
255			*
256			* @return bool
257			*/
258			public function getUseIncludePath()
259			{
260			return $this->useIncludePath;
261			}
262
263			/**
264			* Turns off searching the prefix and fallback directories for classes
265			* that have not been registered with the class map.
266			*
267			* @param bool $classMapAuthoritative
268			*/
269			public function setClassMapAuthoritative($classMapAuthoritative)
270			{
271			$this->classMapAuthoritative = $classMapAuthoritative;
272			}
273
274			/**
275			* Should class lookup fail if not found in the current class map?
276			*
277			* @return bool
278			*/
279			public function isClassMapAuthoritative()
280			{
281			return $this->classMapAuthoritative;
282			}
283
284			/**
285			* APCu prefix to use to cache found/not-found classes, if the extension is enabled.
286			*
287			* @param string\|null $apcuPrefix
288			*/
289			public function setApcuPrefix($apcuPrefix)
290			{
291			$this->apcuPrefix = function_exists('apcu_fetch') && filter_var(ini_get('apc.enabled'), FILTER_VALIDATE_BOOLEAN) ? $apcuPrefix : null;
292			}
293
294			/**
295			* The APCu prefix in use, or null if APCu caching is not enabled.
296			*
297			* @return string\|null
298			*/
299			public function getApcuPrefix()
300			{
301			return $this->apcuPrefix;
302			}
303
304			/**
305			* Registers this instance as an autoloader.
306			*
307			* @param bool $prepend Whether to prepend the autoloader or not
308			*/
309			public function register($prepend = false)
310			{
311			spl_autoload_register(array($this, 'loadClass'), true, $prepend);
312
313			if (null === $this->vendorDir) {
314			return;
315			}
316
317			if ($prepend) {
318			self::$registeredLoaders = array($this->vendorDir => $this) + self::$registeredLoaders;
319			} else {
320			unset(self::$registeredLoaders[$this->vendorDir]);
321			self::$registeredLoaders[$this->vendorDir] = $this;
322			}
323			}
324
325			/**
326			* Unregisters this instance as an autoloader.
327			*/
328			public function unregister()
329			{
330			spl_autoload_unregister(array($this, 'loadClass'));
331
332			if (null !== $this->vendorDir) {
333			unset(self::$registeredLoaders[$this->vendorDir]);
334			}
335			}
336
337			/**
338			* Loads the given class or interface.
339			*
340			* @param string $class The name of the class
341			* @return true\|null True if loaded, null otherwise
342			*/
343			public function loadClass($class)
344			{
345			if ($file = $this->findFile($class)) {
346			includeFile($file);
347
348			return true;
349			}
350
351			return null;
352			}
353
354			/**
355			* Finds the path to the file where the class is defined.
356			*
357			* @param string $class The name of the class
358			*
359			* @return string\|false The path if found, false otherwise
360			*/
361			public function findFile($class)
362			{
363			// class map lookup
364			if (isset($this->classMap[$class])) {
365			return $this->classMap[$class];
366			}
367			if ($this->classMapAuthoritative \|\| isset($this->missingClasses[$class])) {
368			return false;
369			}
370			if (null !== $this->apcuPrefix) {
371			$file = apcu_fetch($this->apcuPrefix.$class, $hit);
372			if ($hit) {
373			return $file;
374			}
375			}
376
377			$file = $this->findFileWithExtension($class, '.php');
378
379			// Search for Hack files if we are running on HHVM
380			if (false === $file && defined('HHVM_VERSION')) {
381			$file = $this->findFileWithExtension($class, '.hh');
382			}
383
384			if (null !== $this->apcuPrefix) {
385			apcu_add($this->apcuPrefix.$class, $file);
386			}
387
388			if (false === $file) {
389			// Remember that this class does not exist.
390			$this->missingClasses[$class] = true;
391			}
392
393			return $file;
394			}
395
396			/**
397			* Returns the currently registered loaders indexed by their corresponding vendor directories.
398			*
399			* @return self[]
400			*/
401			public static function getRegisteredLoaders()
402			{
403			return self::$registeredLoaders;
404			}
405
406			private function findFileWithExtension($class, $ext)
407			{
408			// PSR-4 lookup
409			$logicalPathPsr4 = strtr($class, '\\', DIRECTORY_SEPARATOR) . $ext;
410
411			$first = $class[0];
412			if (isset($this->prefixLengthsPsr4[$first])) {
413			$subPath = $class;
414			while (false !== $lastPos = strrpos($subPath, '\\')) {
415			$subPath = substr($subPath, 0, $lastPos);
416			$search = $subPath . '\\';
417			if (isset($this->prefixDirsPsr4[$search])) {
418			$pathEnd = DIRECTORY_SEPARATOR . substr($logicalPathPsr4, $lastPos + 1);
419			foreach ($this->prefixDirsPsr4[$search] as $dir) {
420			if (file_exists($file = $dir . $pathEnd)) {
421			return $file;
422			}
423			}
424			}
425			}
426			}
427
428			// PSR-4 fallback dirs
429			foreach ($this->fallbackDirsPsr4 as $dir) {
430			if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr4)) {
431			return $file;
432			}
433			}
434
435			// PSR-0 lookup
436			if (false !== $pos = strrpos($class, '\\')) {
437			// namespaced class name
438			$logicalPathPsr0 = substr($logicalPathPsr4, 0, $pos + 1)
439			. strtr(substr($logicalPathPsr4, $pos + 1), '_', DIRECTORY_SEPARATOR);
440			} else {
441			// PEAR-like class name
442			$logicalPathPsr0 = strtr($class, '_', DIRECTORY_SEPARATOR) . $ext;
443			}
444
445			if (isset($this->prefixesPsr0[$first])) {
446			foreach ($this->prefixesPsr0[$first] as $prefix => $dirs) {
447			if (0 === strpos($class, $prefix)) {
448			foreach ($dirs as $dir) {
449			if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) {
450			return $file;
451			}
452			}
453			}
454			}
455			}
456
457			// PSR-0 fallback dirs
458			foreach ($this->fallbackDirsPsr0 as $dir) {
459			if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) {
460			return $file;
461			}
462			}
463
464			// PSR-0 include paths.
465			if ($this->useIncludePath && $file = stream_resolve_include_path($logicalPathPsr0)) {
466			return $file;
467			}
468
469			return false;
470			}
471			}
472
473			/**
474			* Scope isolated include.
475			*
476			* Prevents access to $this/self from included files.
477			*/
478			function includeFile($file)
479			{
480			include $file;
481			}
482

OsvaldoGDelRio / persona

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ClassLoader::findFileWithExtension() D

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