← All changes | vendor/composer/ClassLoader.php +38 -210 3.10.0 → 3.2.1 View file →

		@@ -36,126 +36,51 @@
36	36	* This class is loosely based on the Symfony UniversalClassLoader.
37	37	*
38	38	* @author Fabien Potencier <fabien@symfony.com>
39	39	* @author Jordi Boggiano <j.boggiano@seld.be>
40		- * @see https://www.php-fig.org/psr/psr-0/
41		- * @see https://www.php-fig.org/psr/psr-4/
	40	+ * @see http://www.php-fig.org/psr/psr-0/
	41	+ * @see http://www.php-fig.org/psr/psr-4/
42	42	*/
43	43	class ClassLoader
44	44	{
45		- /** @var \Closure(string):void */
46		- private static $includeFile;
47		-
48		- /** @var ?string */
49		- private $vendorDir;
50		-
51	45	// PSR-4
52		- /**
53		- * @var array[]
54		- * @psalm-var array<string, array<string, int>>
55		- */
56	46	private $prefixLengthsPsr4 = array();
57		- /**
58		- * @var array[]
59		- * @psalm-var array<string, array<int, string>>
60		- */
61	47	private $prefixDirsPsr4 = array();
62		- /**
63		- * @var array[]
64		- * @psalm-var array<string, string>
65		- */
66	48	private $fallbackDirsPsr4 = array();
67	49
68	50	// PSR-0
69		- /**
70		- * @var array[]
71		- * @psalm-var array<string, array<string, string[]>>
72		- */
73	51	private $prefixesPsr0 = array();
74		- /**
75		- * @var array[]
76		- * @psalm-var array<string, string>
77		- */
78	52	private $fallbackDirsPsr0 = array();
79	53
80		- /** @var bool */
81	54	private $useIncludePath = false;
82		-
83		- /**
84		- * @var string[]
85		- * @psalm-var array<string, string>
86		- */
87	55	private $classMap = array();
88	56
89		- /** @var bool */
90	57	private $classMapAuthoritative = false;
91	58
92		- /**
93		- * @var bool[]
94		- * @psalm-var array<string, bool>
95		- */
96		- private $missingClasses = array();
97		-
98		- /** @var ?string */
99		- private $apcuPrefix;
100		-
101		- /**
102		- * @var self[]
103		- */
104		- private static $registeredLoaders = array();
105		-
106		- /**
107		- * @param ?string $vendorDir
108		- */
109		- public function __construct($vendorDir = null)
110		- {
111		- $this->vendorDir = $vendorDir;
112		- self::initializeIncludeClosure();
113		- }
114		-
115		- /**
116		- * @return string[]
117		- */
118	59	public function getPrefixes()
119	60	{
120	61	if (!empty($this->prefixesPsr0)) {
121		- return call_user_func_array('array_merge', array_values($this->prefixesPsr0));
	62	+ return call_user_func_array('array_merge', $this->prefixesPsr0);
122	63	}
123	64
124	65	return array();
125	66	}
126	67
127		- /**
128		- * @return array[]
129		- * @psalm-return array<string, array<int, string>>
130		- */
131	68	public function getPrefixesPsr4()
132	69	{
133	70	return $this->prefixDirsPsr4;
134	71	}
135	72
136		- /**
137		- * @return array[]
138		- * @psalm-return array<string, string>
139		- */
140	73	public function getFallbackDirs()
141	74	{
142	75	return $this->fallbackDirsPsr0;
143	76	}
144	77
145		- /**
146		- * @return array[]
147		- * @psalm-return array<string, string>
148		- */
149	78	public function getFallbackDirsPsr4()
150	79	{
151	80	return $this->fallbackDirsPsr4;
152	81	}
153	82
154		- /**
155		- * @return string[] Array of classname => path
156		- * @psalm-return array<string, string>
157		- */
158	83	public function getClassMap()
159	84	{
160	85	return $this->classMap;
161	86	}
		@@ -160,12 +85,9 @@
160	85	return $this->classMap;
161	86	}
162	87
163	88	/**
164		- * @param string[] $classMap Class to filename map
165		- * @psalm-param array<string, string> $classMap
166		- *
167		- * @return void
	89	+ * @param array $classMap Class to filename map
168	90	*/
169	91	public function addClassMap(array $classMap)
170	92	{
171	93	if ($this->classMap) {
		@@ -178,13 +100,11 @@
178	100	/**
179	101	* Registers a set of PSR-0 directories for a given prefix, either
180	102	* appending or prepending to the ones previously set for this prefix.
181	103	*
182		- * @param string $prefix The prefix
183		- * @param string[]|string $paths The PSR-0 root directories
184		- * @param bool $prepend Whether to prepend the directories
185		- *
186		- * @return void
	104	+ * @param string $prefix The prefix
	105	+ * @param array|string $paths The PSR-0 root directories
	106	+ * @param bool $prepend Whether to prepend the directories
187	107	*/
188	108	public function add($prefix, $paths, $prepend = false)
189	109	{
190	110	if (!$prefix) {
		@@ -225,15 +145,13 @@
225	145	/**
226	146	* Registers a set of PSR-4 directories for a given namespace, either
227	147	* appending or prepending to the ones previously set for this namespace.
228	148	*
229		- * @param string $prefix The prefix/namespace, with trailing '\\'
230		- * @param string[]|string $paths The PSR-4 base directories
231		- * @param bool $prepend Whether to prepend the directories
	149	+ * @param string $prefix The prefix/namespace, with trailing '\\'
	150	+ * @param array|string $paths The PSR-4 base directories
	151	+ * @param bool $prepend Whether to prepend the directories
232	152	*
233	153	* @throws \InvalidArgumentException
234		- *
235		- * @return void
236	154	*/
237	155	public function addPsr4($prefix, $paths, $prepend = false)
238	156	{
239	157	if (!$prefix) {
		@@ -275,12 +193,10 @@
275	193	/**
276	194	* Registers a set of PSR-0 directories for a given prefix,
277	195	* replacing any others previously set for this prefix.
278	196	*
279		- * @param string $prefix The prefix
280		- * @param string[]|string $paths The PSR-0 base directories
281		- *
282		- * @return void
	197	+ * @param string $prefix The prefix
	198	+ * @param array|string $paths The PSR-0 base directories
283	199	*/
284	200	public function set($prefix, $paths)
285	201	{
286	202	if (!$prefix) {
		@@ -293,14 +209,12 @@
293	209	/**
294	210	* Registers a set of PSR-4 directories for a given namespace,
295	211	* replacing any others previously set for this namespace.
296	212	*
297		- * @param string $prefix The prefix/namespace, with trailing '\\'
298		- * @param string[]|string $paths The PSR-4 base directories
	213	+ * @param string $prefix The prefix/namespace, with trailing '\\'
	214	+ * @param array|string $paths The PSR-4 base directories
299	215	*
300	216	* @throws \InvalidArgumentException
301		- *
302		- * @return void
303	217	*/
304	218	public function setPsr4($prefix, $paths)
305	219	{
306	220	if (!$prefix) {
		@@ -318,10 +232,8 @@
318	232	/**
319	233	* Turns on searching the include path for class files.
320	234	*
321	235	* @param bool $useIncludePath
322		- *
323		- * @return void
324	236	*/
325	237	public function setUseIncludePath($useIncludePath)
326	238	{
327	239	$this->useIncludePath = $useIncludePath;
		@@ -342,10 +254,8 @@
342	254	* Turns off searching the prefix and fallback directories for classes
343	255	* that have not been registered with the class map.
344	256	*
345	257	* @param bool $classMapAuthoritative
346		- *
347		- * @return void
348	258	*/
349	259	public function setClassMapAuthoritative($classMapAuthoritative)
350	260	{
351	261	$this->classMapAuthoritative = $classMapAuthoritative;
		@@ -361,64 +271,23 @@
361	271	return $this->classMapAuthoritative;
362	272	}
363	273
364	274	/**
365		- * APCu prefix to use to cache found/not-found classes, if the extension is enabled.
366		- *
367		- * @param string|null $apcuPrefix
368		- *
369		- * @return void
370		- */
371		- public function setApcuPrefix($apcuPrefix)
372		- {
373		- $this->apcuPrefix = function_exists('apcu_fetch') && filter_var(ini_get('apc.enabled'), FILTER_VALIDATE_BOOLEAN) ? $apcuPrefix : null;
374		- }
375		-
376		- /**
377		- * The APCu prefix in use, or null if APCu caching is not enabled.
378		- *
379		- * @return string|null
380		- */
381		- public function getApcuPrefix()
382		- {
383		- return $this->apcuPrefix;
384		- }
385		-
386		- /**
387	275	* Registers this instance as an autoloader.
388	276	*
389	277	* @param bool $prepend Whether to prepend the autoloader or not
390		- *
391		- * @return void
392	278	*/
393	279	public function register($prepend = false)
394	280	{
395	281	spl_autoload_register(array($this, 'loadClass'), true, $prepend);
396		-
397		- if (null === $this->vendorDir) {
398		- return;
399		- }
400		-
401		- if ($prepend) {
402		- self::$registeredLoaders = array($this->vendorDir => $this) + self::$registeredLoaders;
403		- } else {
404		- unset(self::$registeredLoaders[$this->vendorDir]);
405		- self::$registeredLoaders[$this->vendorDir] = $this;
406		- }
407	282	}
408	283
409	284	/**
410	285	* Unregisters this instance as an autoloader.
411		- *
412		- * @return void
413	286	*/
414	287	public function unregister()
415	288	{
416	289	spl_autoload_unregister(array($this, 'loadClass'));
417		-
418		- if (null !== $this->vendorDir) {
419		- unset(self::$registeredLoaders[$this->vendorDir]);
420		- }
421	290	}
422	291
423	292	/**
424	293	* Loads the given class or interface.
		@@ -423,20 +292,17 @@
423	292	/**
424	293	* Loads the given class or interface.
425	294	*
426	295	* @param string $class The name of the class
427		- * @return true|null True if loaded, null otherwise
	296	+ * @return bool|null True if loaded, null otherwise
428	297	*/
429	298	public function loadClass($class)
430	299	{
431	300	if ($file = $this->findFile($class)) {
432		- $includeFile = self::$includeFile;
433		- $includeFile($file);
	301	+ includeFile($file);
434	302
435	303	return true;
436	304	}
437		-
438		- return null;
439	305	}
440	306
441	307	/**
442	308	* Finds the path to the file where the class is defined.
		@@ -446,56 +312,36 @@
446	312	* @return string|false The path if found, false otherwise
447	313	*/
448	314	public function findFile($class)
449	315	{
	316	+ // work around for PHP 5.3.0 - 5.3.2 https://bugs.php.net/50731
	317	+ if ('\\' == $class[0]) {
	318	+ $class = substr($class, 1);
	319	+ }
	320	+
450	321	// class map lookup
451	322	if (isset($this->classMap[$class])) {
452	323	return $this->classMap[$class];
453	324	}
454		- if ($this->classMapAuthoritative || isset($this->missingClasses[$class])) {
	325	+ if ($this->classMapAuthoritative) {
455	326	return false;
456	327	}
457		- if (null !== $this->apcuPrefix) {
458		- $file = apcu_fetch($this->apcuPrefix.$class, $hit);
459		- if ($hit) {
460		- return $file;
461		- }
462		- }
463	328
464	329	$file = $this->findFileWithExtension($class, '.php');
465	330
466	331	// Search for Hack files if we are running on HHVM
467		- if (false === $file && defined('HHVM_VERSION')) {
	332	+ if ($file === null && defined('HHVM_VERSION')) {
468	333	$file = $this->findFileWithExtension($class, '.hh');
469	334	}
470	335
471		- if (null !== $this->apcuPrefix) {
472		- apcu_add($this->apcuPrefix.$class, $file);
473		- }
474		-
475		- if (false === $file) {
	336	+ if ($file === null) {
476	337	// Remember that this class does not exist.
477		- $this->missingClasses[$class] = true;
	338	+ return $this->classMap[$class] = false;
478	339	}
479	340
480	341	return $file;
481	342	}
482	343
483		- /**
484		- * Returns the currently registered loaders indexed by their corresponding vendor directories.
485		- *
486		- * @return self[]
487		- */
488		- public static function getRegisteredLoaders()
489		- {
490		- return self::$registeredLoaders;
491		- }
492		-
493		- /**
494		- * @param string $class
495		- * @param string $ext
496		- * @return string|false
497		- */
498	344	private function findFileWithExtension($class, $ext)
499	345	{
500	346	// PSR-4 lookup
501	347	$logicalPathPsr4 = strtr($class, '\\', DIRECTORY_SEPARATOR) . $ext;
		@@ -501,16 +347,12 @@
501	347	$logicalPathPsr4 = strtr($class, '\\', DIRECTORY_SEPARATOR) . $ext;
502	348
503	349	$first = $class[0];
504	350	if (isset($this->prefixLengthsPsr4[$first])) {
505		- $subPath = $class;
506		- while (false !== $lastPos = strrpos($subPath, '\\')) {
507		- $subPath = substr($subPath, 0, $lastPos);
508		- $search = $subPath . '\\';
509		- if (isset($this->prefixDirsPsr4[$search])) {
510		- $pathEnd = DIRECTORY_SEPARATOR . substr($logicalPathPsr4, $lastPos + 1);
511		- foreach ($this->prefixDirsPsr4[$search] as $dir) {
512		- if (file_exists($file = $dir . $pathEnd)) {
	351	+ foreach ($this->prefixLengthsPsr4[$first] as $prefix => $length) {
	352	+ if (0 === strpos($class, $prefix)) {
	353	+ foreach ($this->prefixDirsPsr4[$prefix] as $dir) {
	354	+ if (file_exists($file = $dir . DIRECTORY_SEPARATOR . substr($logicalPathPsr4, $length))) {
513	355	return $file;
514	356	}
515	357	}
516	358	}
		@@ -556,30 +398,16 @@
556	398	// PSR-0 include paths.
557	399	if ($this->useIncludePath && $file = stream_resolve_include_path($logicalPathPsr0)) {
558	400	return $file;
559	401	}
560		-
561		- return false;
562	402	}
	403	+}
563	404
564		- /**
565		- * @return void
566		- */
567		- private static function initializeIncludeClosure()
568		- {
569		- if (self::$includeFile !== null) {
570		- return;
571		- }
572		-
573		- /**
574		- * Scope isolated include.
575		- *
576		- * Prevents access to $this/self from included files.
577		- *
578		- * @param string $file
579		- * @return void
580		- */
581		- self::$includeFile = \Closure::bind(static function($file) {
582		- include $file;
583		- }, null, null);
584		- }
	405	+/**
	406	+ * Scope isolated include.
	407	+ *
	408	+ * Prevents access to $this/self from included files.
	409	+ */
	410	+function includeFile($file)
	411	+{
	412	+ include $file;
585	413	}