| @@ -1,445 +1,579 @@ | ||
| 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 http://www.php-fig.org/psr/psr-0/ | |
| 41 | - * @see http://www.php-fig.org/psr/psr-4/ | |
| 42 | - */ | |
| 43 | -class ClassLoader | |
| 44 | -{ | |
| 45 | - // PSR-4 | |
| 46 | - private $prefixLengthsPsr4 = array(); | |
| 47 | - private $prefixDirsPsr4 = array(); | |
| 48 | - private $fallbackDirsPsr4 = array(); | |
| 49 | - | |
| 50 | - // PSR-0 | |
| 51 | - private $prefixesPsr0 = array(); | |
| 52 | - private $fallbackDirsPsr0 = array(); | |
| 53 | - | |
| 54 | - private $useIncludePath = false; | |
| 55 | - private $classMap = array(); | |
| 56 | - private $classMapAuthoritative = false; | |
| 57 | - private $missingClasses = array(); | |
| 58 | - private $apcuPrefix; | |
| 59 | - | |
| 60 | - public function getPrefixes() | |
| 61 | - { | |
| 62 | - if (!empty($this->prefixesPsr0)) { | |
| 63 | - return call_user_func_array('array_merge', $this->prefixesPsr0); | |
| 64 | - } | |
| 65 | - | |
| 66 | - return array(); | |
| 67 | - } | |
| 68 | - | |
| 69 | - public function getPrefixesPsr4() | |
| 70 | - { | |
| 71 | - return $this->prefixDirsPsr4; | |
| 72 | - } | |
| 73 | - | |
| 74 | - public function getFallbackDirs() | |
| 75 | - { | |
| 76 | - return $this->fallbackDirsPsr0; | |
| 77 | - } | |
| 78 | - | |
| 79 | - public function getFallbackDirsPsr4() | |
| 80 | - { | |
| 81 | - return $this->fallbackDirsPsr4; | |
| 82 | - } | |
| 83 | - | |
| 84 | - public function getClassMap() | |
| 85 | - { | |
| 86 | - return $this->classMap; | |
| 87 | - } | |
| 88 | - | |
| 89 | - /** | |
| 90 | - * @param array $classMap Class to filename map | |
| 91 | - */ | |
| 92 | - public function addClassMap(array $classMap) | |
| 93 | - { | |
| 94 | - if ($this->classMap) { | |
| 95 | - $this->classMap = array_merge($this->classMap, $classMap); | |
| 96 | - } else { | |
| 97 | - $this->classMap = $classMap; | |
| 98 | - } | |
| 99 | - } | |
| 100 | - | |
| 101 | - /** | |
| 102 | - * Registers a set of PSR-0 directories for a given prefix, either | |
| 103 | - * appending or prepending to the ones previously set for this prefix. | |
| 104 | - * | |
| 105 | - * @param string $prefix The prefix | |
| 106 | - * @param array|string $paths The PSR-0 root directories | |
| 107 | - * @param bool $prepend Whether to prepend the directories | |
| 108 | - */ | |
| 109 | - public function add($prefix, $paths, $prepend = false) | |
| 110 | - { | |
| 111 | - if (!$prefix) { | |
| 112 | - if ($prepend) { | |
| 113 | - $this->fallbackDirsPsr0 = array_merge( | |
| 114 | - (array) $paths, | |
| 115 | - $this->fallbackDirsPsr0 | |
| 116 | - ); | |
| 117 | - } else { | |
| 118 | - $this->fallbackDirsPsr0 = array_merge( | |
| 119 | - $this->fallbackDirsPsr0, | |
| 120 | - (array) $paths | |
| 121 | - ); | |
| 122 | - } | |
| 123 | - | |
| 124 | - return; | |
| 125 | - } | |
| 126 | - | |
| 127 | - $first = $prefix[0]; | |
| 128 | - if (!isset($this->prefixesPsr0[$first][$prefix])) { | |
| 129 | - $this->prefixesPsr0[$first][$prefix] = (array) $paths; | |
| 130 | - | |
| 131 | - return; | |
| 132 | - } | |
| 133 | - if ($prepend) { | |
| 134 | - $this->prefixesPsr0[$first][$prefix] = array_merge( | |
| 135 | - (array) $paths, | |
| 136 | - $this->prefixesPsr0[$first][$prefix] | |
| 137 | - ); | |
| 138 | - } else { | |
| 139 | - $this->prefixesPsr0[$first][$prefix] = array_merge( | |
| 140 | - $this->prefixesPsr0[$first][$prefix], | |
| 141 | - (array) $paths | |
| 142 | - ); | |
| 143 | - } | |
| 144 | - } | |
| 145 | - | |
| 146 | - /** | |
| 147 | - * Registers a set of PSR-4 directories for a given namespace, either | |
| 148 | - * appending or prepending to the ones previously set for this namespace. | |
| 149 | - * | |
| 150 | - * @param string $prefix The prefix/namespace, with trailing '\\' | |
| 151 | - * @param array|string $paths The PSR-4 base directories | |
| 152 | - * @param bool $prepend Whether to prepend the directories | |
| 153 | - * | |
| 154 | - * @throws \InvalidArgumentException | |
| 155 | - */ | |
| 156 | - public function addPsr4($prefix, $paths, $prepend = false) | |
| 157 | - { | |
| 158 | - if (!$prefix) { | |
| 159 | - // Register directories for the root namespace. | |
| 160 | - if ($prepend) { | |
| 161 | - $this->fallbackDirsPsr4 = array_merge( | |
| 162 | - (array) $paths, | |
| 163 | - $this->fallbackDirsPsr4 | |
| 164 | - ); | |
| 165 | - } else { | |
| 166 | - $this->fallbackDirsPsr4 = array_merge( | |
| 167 | - $this->fallbackDirsPsr4, | |
| 168 | - (array) $paths | |
| 169 | - ); | |
| 170 | - } | |
| 171 | - } elseif (!isset($this->prefixDirsPsr4[$prefix])) { | |
| 172 | - // Register directories for a new namespace. | |
| 173 | - $length = strlen($prefix); | |
| 174 | - if ('\\' !== $prefix[$length - 1]) { | |
| 175 | - throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator."); | |
| 176 | - } | |
| 177 | - $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length; | |
| 178 | - $this->prefixDirsPsr4[$prefix] = (array) $paths; | |
| 179 | - } elseif ($prepend) { | |
| 180 | - // Prepend directories for an already registered namespace. | |
| 181 | - $this->prefixDirsPsr4[$prefix] = array_merge( | |
| 182 | - (array) $paths, | |
| 183 | - $this->prefixDirsPsr4[$prefix] | |
| 184 | - ); | |
| 185 | - } else { | |
| 186 | - // Append directories for an already registered namespace. | |
| 187 | - $this->prefixDirsPsr4[$prefix] = array_merge( | |
| 188 | - $this->prefixDirsPsr4[$prefix], | |
| 189 | - (array) $paths | |
| 190 | - ); | |
| 191 | - } | |
| 192 | - } | |
| 193 | - | |
| 194 | - /** | |
| 195 | - * Registers a set of PSR-0 directories for a given prefix, | |
| 196 | - * replacing any others previously set for this prefix. | |
| 197 | - * | |
| 198 | - * @param string $prefix The prefix | |
| 199 | - * @param array|string $paths The PSR-0 base directories | |
| 200 | - */ | |
| 201 | - public function set($prefix, $paths) | |
| 202 | - { | |
| 203 | - if (!$prefix) { | |
| 204 | - $this->fallbackDirsPsr0 = (array) $paths; | |
| 205 | - } else { | |
| 206 | - $this->prefixesPsr0[$prefix[0]][$prefix] = (array) $paths; | |
| 207 | - } | |
| 208 | - } | |
| 209 | - | |
| 210 | - /** | |
| 211 | - * Registers a set of PSR-4 directories for a given namespace, | |
| 212 | - * replacing any others previously set for this namespace. | |
| 213 | - * | |
| 214 | - * @param string $prefix The prefix/namespace, with trailing '\\' | |
| 215 | - * @param array|string $paths The PSR-4 base directories | |
| 216 | - * | |
| 217 | - * @throws \InvalidArgumentException | |
| 218 | - */ | |
| 219 | - public function setPsr4($prefix, $paths) | |
| 220 | - { | |
| 221 | - if (!$prefix) { | |
| 222 | - $this->fallbackDirsPsr4 = (array) $paths; | |
| 223 | - } else { | |
| 224 | - $length = strlen($prefix); | |
| 225 | - if ('\\' !== $prefix[$length - 1]) { | |
| 226 | - throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator."); | |
| 227 | - } | |
| 228 | - $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length; | |
| 229 | - $this->prefixDirsPsr4[$prefix] = (array) $paths; | |
| 230 | - } | |
| 231 | - } | |
| 232 | - | |
| 233 | - /** | |
| 234 | - * Turns on searching the include path for class files. | |
| 235 | - * | |
| 236 | - * @param bool $useIncludePath | |
| 237 | - */ | |
| 238 | - public function setUseIncludePath($useIncludePath) | |
| 239 | - { | |
| 240 | - $this->useIncludePath = $useIncludePath; | |
| 241 | - } | |
| 242 | - | |
| 243 | - /** | |
| 244 | - * Can be used to check if the autoloader uses the include path to check | |
| 245 | - * for classes. | |
| 246 | - * | |
| 247 | - * @return bool | |
| 248 | - */ | |
| 249 | - public function getUseIncludePath() | |
| 250 | - { | |
| 251 | - return $this->useIncludePath; | |
| 252 | - } | |
| 253 | - | |
| 254 | - /** | |
| 255 | - * Turns off searching the prefix and fallback directories for classes | |
| 256 | - * that have not been registered with the class map. | |
| 257 | - * | |
| 258 | - * @param bool $classMapAuthoritative | |
| 259 | - */ | |
| 260 | - public function setClassMapAuthoritative($classMapAuthoritative) | |
| 261 | - { | |
| 262 | - $this->classMapAuthoritative = $classMapAuthoritative; | |
| 263 | - } | |
| 264 | - | |
| 265 | - /** | |
| 266 | - * Should class lookup fail if not found in the current class map? | |
| 267 | - * | |
| 268 | - * @return bool | |
| 269 | - */ | |
| 270 | - public function isClassMapAuthoritative() | |
| 271 | - { | |
| 272 | - return $this->classMapAuthoritative; | |
| 273 | - } | |
| 274 | - | |
| 275 | - /** | |
| 276 | - * APCu prefix to use to cache found/not-found classes, if the extension is enabled. | |
| 277 | - * | |
| 278 | - * @param string|null $apcuPrefix | |
| 279 | - */ | |
| 280 | - public function setApcuPrefix($apcuPrefix) | |
| 281 | - { | |
| 282 | - $this->apcuPrefix = function_exists('apcu_fetch') && ini_get('apc.enabled') ? $apcuPrefix : null; | |
| 283 | - } | |
| 284 | - | |
| 285 | - /** | |
| 286 | - * The APCu prefix in use, or null if APCu caching is not enabled. | |
| 287 | - * | |
| 288 | - * @return string|null | |
| 289 | - */ | |
| 290 | - public function getApcuPrefix() | |
| 291 | - { | |
| 292 | - return $this->apcuPrefix; | |
| 293 | - } | |
| 294 | - | |
| 295 | - /** | |
| 296 | - * Registers this instance as an autoloader. | |
| 297 | - * | |
| 298 | - * @param bool $prepend Whether to prepend the autoloader or not | |
| 299 | - */ | |
| 300 | - public function register($prepend = false) | |
| 301 | - { | |
| 302 | - spl_autoload_register(array($this, 'loadClass'), true, $prepend); | |
| 303 | - } | |
| 304 | - | |
| 305 | - /** | |
| 306 | - * Unregisters this instance as an autoloader. | |
| 307 | - */ | |
| 308 | - public function unregister() | |
| 309 | - { | |
| 310 | - spl_autoload_unregister(array($this, 'loadClass')); | |
| 311 | - } | |
| 312 | - | |
| 313 | - /** | |
| 314 | - * Loads the given class or interface. | |
| 315 | - * | |
| 316 | - * @param string $class The name of the class | |
| 317 | - * @return bool|null True if loaded, null otherwise | |
| 318 | - */ | |
| 319 | - public function loadClass($class) | |
| 320 | - { | |
| 321 | - if ($file = $this->findFile($class)) { | |
| 322 | - includeFile($file); | |
| 323 | - | |
| 324 | - return true; | |
| 325 | - } | |
| 326 | - } | |
| 327 | - | |
| 328 | - /** | |
| 329 | - * Finds the path to the file where the class is defined. | |
| 330 | - * | |
| 331 | - * @param string $class The name of the class | |
| 332 | - * | |
| 333 | - * @return string|false The path if found, false otherwise | |
| 334 | - */ | |
| 335 | - public function findFile($class) | |
| 336 | - { | |
| 337 | - // class map lookup | |
| 338 | - if (isset($this->classMap[$class])) { | |
| 339 | - return $this->classMap[$class]; | |
| 340 | - } | |
| 341 | - if ($this->classMapAuthoritative || isset($this->missingClasses[$class])) { | |
| 342 | - return false; | |
| 343 | - } | |
| 344 | - if (null !== $this->apcuPrefix) { | |
| 345 | - $file = apcu_fetch($this->apcuPrefix.$class, $hit); | |
| 346 | - if ($hit) { | |
| 347 | - return $file; | |
| 348 | - } | |
| 349 | - } | |
| 350 | - | |
| 351 | - $file = $this->findFileWithExtension($class, '.php'); | |
| 352 | - | |
| 353 | - // Search for Hack files if we are running on HHVM | |
| 354 | - if (false === $file && defined('HHVM_VERSION')) { | |
| 355 | - $file = $this->findFileWithExtension($class, '.hh'); | |
| 356 | - } | |
| 357 | - | |
| 358 | - if (null !== $this->apcuPrefix) { | |
| 359 | - apcu_add($this->apcuPrefix.$class, $file); | |
| 360 | - } | |
| 361 | - | |
| 362 | - if (false === $file) { | |
| 363 | - // Remember that this class does not exist. | |
| 364 | - $this->missingClasses[$class] = true; | |
| 365 | - } | |
| 366 | - | |
| 367 | - return $file; | |
| 368 | - } | |
| 369 | - | |
| 370 | - private function findFileWithExtension($class, $ext) | |
| 371 | - { | |
| 372 | - // PSR-4 lookup | |
| 373 | - $logicalPathPsr4 = strtr($class, '\\', DIRECTORY_SEPARATOR) . $ext; | |
| 374 | - | |
| 375 | - $first = $class[0]; | |
| 376 | - if (isset($this->prefixLengthsPsr4[$first])) { | |
| 377 | - $subPath = $class; | |
| 378 | - while (false !== $lastPos = strrpos($subPath, '\\')) { | |
| 379 | - $subPath = substr($subPath, 0, $lastPos); | |
| 380 | - $search = $subPath.'\\'; | |
| 381 | - if (isset($this->prefixDirsPsr4[$search])) { | |
| 382 | - $pathEnd = DIRECTORY_SEPARATOR . substr($logicalPathPsr4, $lastPos + 1); | |
| 383 | - foreach ($this->prefixDirsPsr4[$search] as $dir) { | |
| 384 | - if (file_exists($file = $dir . $pathEnd)) { | |
| 385 | - return $file; | |
| 386 | - } | |
| 387 | - } | |
| 388 | - } | |
| 389 | - } | |
| 390 | - } | |
| 391 | - | |
| 392 | - // PSR-4 fallback dirs | |
| 393 | - foreach ($this->fallbackDirsPsr4 as $dir) { | |
| 394 | - if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr4)) { | |
| 395 | - return $file; | |
| 396 | - } | |
| 397 | - } | |
| 398 | - | |
| 399 | - // PSR-0 lookup | |
| 400 | - if (false !== $pos = strrpos($class, '\\')) { | |
| 401 | - // namespaced class name | |
| 402 | - $logicalPathPsr0 = substr($logicalPathPsr4, 0, $pos + 1) | |
| 403 | - . strtr(substr($logicalPathPsr4, $pos + 1), '_', DIRECTORY_SEPARATOR); | |
| 404 | - } else { | |
| 405 | - // PEAR-like class name | |
| 406 | - $logicalPathPsr0 = strtr($class, '_', DIRECTORY_SEPARATOR) . $ext; | |
| 407 | - } | |
| 408 | - | |
| 409 | - if (isset($this->prefixesPsr0[$first])) { | |
| 410 | - foreach ($this->prefixesPsr0[$first] as $prefix => $dirs) { | |
| 411 | - if (0 === strpos($class, $prefix)) { | |
| 412 | - foreach ($dirs as $dir) { | |
| 413 | - if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) { | |
| 414 | - return $file; | |
| 415 | - } | |
| 416 | - } | |
| 417 | - } | |
| 418 | - } | |
| 419 | - } | |
| 420 | - | |
| 421 | - // PSR-0 fallback dirs | |
| 422 | - foreach ($this->fallbackDirsPsr0 as $dir) { | |
| 423 | - if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) { | |
| 424 | - return $file; | |
| 425 | - } | |
| 426 | - } | |
| 427 | - | |
| 428 | - // PSR-0 include paths. | |
| 429 | - if ($this->useIncludePath && $file = stream_resolve_include_path($logicalPathPsr0)) { | |
| 430 | - return $file; | |
| 431 | - } | |
| 432 | - | |
| 433 | - return false; | |
| 434 | - } | |
| 435 | -} | |
| 436 | - | |
| 437 | -/** | |
| 438 | - * Scope isolated include. | |
| 439 | - * | |
| 440 | - * Prevents access to $this/self from included files. | |
| 441 | - */ | |
| 442 | -function includeFile($file) | |
| 443 | -{ | |
| 444 | - include $file; | |
| 445 | -} | |
| 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 | + /** @var \Closure(string):void */ | |
| 46 | + private static $includeFile; | |
| 47 | + | |
| 48 | + /** @var string|null */ | |
| 49 | + private $vendorDir; | |
| 50 | + | |
| 51 | + // PSR-4 | |
| 52 | + /** | |
| 53 | + * @var array<string, array<string, int>> | |
| 54 | + */ | |
| 55 | + private $prefixLengthsPsr4 = array(); | |
| 56 | + /** | |
| 57 | + * @var array<string, list<string>> | |
| 58 | + */ | |
| 59 | + private $prefixDirsPsr4 = array(); | |
| 60 | + /** | |
| 61 | + * @var list<string> | |
| 62 | + */ | |
| 63 | + private $fallbackDirsPsr4 = array(); | |
| 64 | + | |
| 65 | + // PSR-0 | |
| 66 | + /** | |
| 67 | + * List of PSR-0 prefixes | |
| 68 | + * | |
| 69 | + * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2'))) | |
| 70 | + * | |
| 71 | + * @var array<string, array<string, list<string>>> | |
| 72 | + */ | |
| 73 | + private $prefixesPsr0 = array(); | |
| 74 | + /** | |
| 75 | + * @var list<string> | |
| 76 | + */ | |
| 77 | + private $fallbackDirsPsr0 = array(); | |
| 78 | + | |
| 79 | + /** @var bool */ | |
| 80 | + private $useIncludePath = false; | |
| 81 | + | |
| 82 | + /** | |
| 83 | + * @var array<string, string> | |
| 84 | + */ | |
| 85 | + private $classMap = array(); | |
| 86 | + | |
| 87 | + /** @var bool */ | |
| 88 | + private $classMapAuthoritative = false; | |
| 89 | + | |
| 90 | + /** | |
| 91 | + * @var array<string, bool> | |
| 92 | + */ | |
| 93 | + private $missingClasses = array(); | |
| 94 | + | |
| 95 | + /** @var string|null */ | |
| 96 | + private $apcuPrefix; | |
| 97 | + | |
| 98 | + /** | |
| 99 | + * @var array<string, self> | |
| 100 | + */ | |
| 101 | + private static $registeredLoaders = array(); | |
| 102 | + | |
| 103 | + /** | |
| 104 | + * @param string|null $vendorDir | |
| 105 | + */ | |
| 106 | + public function __construct($vendorDir = null) | |
| 107 | + { | |
| 108 | + $this->vendorDir = $vendorDir; | |
| 109 | + self::initializeIncludeClosure(); | |
| 110 | + } | |
| 111 | + | |
| 112 | + /** | |
| 113 | + * @return array<string, list<string>> | |
| 114 | + */ | |
| 115 | + public function getPrefixes() | |
| 116 | + { | |
| 117 | + if (!empty($this->prefixesPsr0)) { | |
| 118 | + return call_user_func_array('array_merge', array_values($this->prefixesPsr0)); | |
| 119 | + } | |
| 120 | + | |
| 121 | + return array(); | |
| 122 | + } | |
| 123 | + | |
| 124 | + /** | |
| 125 | + * @return array<string, list<string>> | |
| 126 | + */ | |
| 127 | + public function getPrefixesPsr4() | |
| 128 | + { | |
| 129 | + return $this->prefixDirsPsr4; | |
| 130 | + } | |
| 131 | + | |
| 132 | + /** | |
| 133 | + * @return list<string> | |
| 134 | + */ | |
| 135 | + public function getFallbackDirs() | |
| 136 | + { | |
| 137 | + return $this->fallbackDirsPsr0; | |
| 138 | + } | |
| 139 | + | |
| 140 | + /** | |
| 141 | + * @return list<string> | |
| 142 | + */ | |
| 143 | + public function getFallbackDirsPsr4() | |
| 144 | + { | |
| 145 | + return $this->fallbackDirsPsr4; | |
| 146 | + } | |
| 147 | + | |
| 148 | + /** | |
| 149 | + * @return array<string, string> Array of classname => path | |
| 150 | + */ | |
| 151 | + public function getClassMap() | |
| 152 | + { | |
| 153 | + return $this->classMap; | |
| 154 | + } | |
| 155 | + | |
| 156 | + /** | |
| 157 | + * @param array<string, string> $classMap Class to filename map | |
| 158 | + * | |
| 159 | + * @return void | |
| 160 | + */ | |
| 161 | + public function addClassMap(array $classMap) | |
| 162 | + { | |
| 163 | + if ($this->classMap) { | |
| 164 | + $this->classMap = array_merge($this->classMap, $classMap); | |
| 165 | + } else { | |
| 166 | + $this->classMap = $classMap; | |
| 167 | + } | |
| 168 | + } | |
| 169 | + | |
| 170 | + /** | |
| 171 | + * Registers a set of PSR-0 directories for a given prefix, either | |
| 172 | + * appending or prepending to the ones previously set for this prefix. | |
| 173 | + * | |
| 174 | + * @param string $prefix The prefix | |
| 175 | + * @param list<string>|string $paths The PSR-0 root directories | |
| 176 | + * @param bool $prepend Whether to prepend the directories | |
| 177 | + * | |
| 178 | + * @return void | |
| 179 | + */ | |
| 180 | + public function add($prefix, $paths, $prepend = false) | |
| 181 | + { | |
| 182 | + $paths = (array) $paths; | |
| 183 | + if (!$prefix) { | |
| 184 | + if ($prepend) { | |
| 185 | + $this->fallbackDirsPsr0 = array_merge( | |
| 186 | + $paths, | |
| 187 | + $this->fallbackDirsPsr0 | |
| 188 | + ); | |
| 189 | + } else { | |
| 190 | + $this->fallbackDirsPsr0 = array_merge( | |
| 191 | + $this->fallbackDirsPsr0, | |
| 192 | + $paths | |
| 193 | + ); | |
| 194 | + } | |
| 195 | + | |
| 196 | + return; | |
| 197 | + } | |
| 198 | + | |
| 199 | + $first = $prefix[0]; | |
| 200 | + if (!isset($this->prefixesPsr0[$first][$prefix])) { | |
| 201 | + $this->prefixesPsr0[$first][$prefix] = $paths; | |
| 202 | + | |
| 203 | + return; | |
| 204 | + } | |
| 205 | + if ($prepend) { | |
| 206 | + $this->prefixesPsr0[$first][$prefix] = array_merge( | |
| 207 | + $paths, | |
| 208 | + $this->prefixesPsr0[$first][$prefix] | |
| 209 | + ); | |
| 210 | + } else { | |
| 211 | + $this->prefixesPsr0[$first][$prefix] = array_merge( | |
| 212 | + $this->prefixesPsr0[$first][$prefix], | |
| 213 | + $paths | |
| 214 | + ); | |
| 215 | + } | |
| 216 | + } | |
| 217 | + | |
| 218 | + /** | |
| 219 | + * Registers a set of PSR-4 directories for a given namespace, either | |
| 220 | + * appending or prepending to the ones previously set for this namespace. | |
| 221 | + * | |
| 222 | + * @param string $prefix The prefix/namespace, with trailing '\\' | |
| 223 | + * @param list<string>|string $paths The PSR-4 base directories | |
| 224 | + * @param bool $prepend Whether to prepend the directories | |
| 225 | + * | |
| 226 | + * @throws \InvalidArgumentException | |
| 227 | + * | |
| 228 | + * @return void | |
| 229 | + */ | |
| 230 | + public function addPsr4($prefix, $paths, $prepend = false) | |
| 231 | + { | |
| 232 | + $paths = (array) $paths; | |
| 233 | + if (!$prefix) { | |
| 234 | + // Register directories for the root namespace. | |
| 235 | + if ($prepend) { | |
| 236 | + $this->fallbackDirsPsr4 = array_merge( | |
| 237 | + $paths, | |
| 238 | + $this->fallbackDirsPsr4 | |
| 239 | + ); | |
| 240 | + } else { | |
| 241 | + $this->fallbackDirsPsr4 = array_merge( | |
| 242 | + $this->fallbackDirsPsr4, | |
| 243 | + $paths | |
| 244 | + ); | |
| 245 | + } | |
| 246 | + } elseif (!isset($this->prefixDirsPsr4[$prefix])) { | |
| 247 | + // Register directories for a new namespace. | |
| 248 | + $length = strlen($prefix); | |
| 249 | + if ('\\' !== $prefix[$length - 1]) { | |
| 250 | + throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator."); | |
| 251 | + } | |
| 252 | + $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length; | |
| 253 | + $this->prefixDirsPsr4[$prefix] = $paths; | |
| 254 | + } elseif ($prepend) { | |
| 255 | + // Prepend directories for an already registered namespace. | |
| 256 | + $this->prefixDirsPsr4[$prefix] = array_merge( | |
| 257 | + $paths, | |
| 258 | + $this->prefixDirsPsr4[$prefix] | |
| 259 | + ); | |
| 260 | + } else { | |
| 261 | + // Append directories for an already registered namespace. | |
| 262 | + $this->prefixDirsPsr4[$prefix] = array_merge( | |
| 263 | + $this->prefixDirsPsr4[$prefix], | |
| 264 | + $paths | |
| 265 | + ); | |
| 266 | + } | |
| 267 | + } | |
| 268 | + | |
| 269 | + /** | |
| 270 | + * Registers a set of PSR-0 directories for a given prefix, | |
| 271 | + * replacing any others previously set for this prefix. | |
| 272 | + * | |
| 273 | + * @param string $prefix The prefix | |
| 274 | + * @param list<string>|string $paths The PSR-0 base directories | |
| 275 | + * | |
| 276 | + * @return void | |
| 277 | + */ | |
| 278 | + public function set($prefix, $paths) | |
| 279 | + { | |
| 280 | + if (!$prefix) { | |
| 281 | + $this->fallbackDirsPsr0 = (array) $paths; | |
| 282 | + } else { | |
| 283 | + $this->prefixesPsr0[$prefix[0]][$prefix] = (array) $paths; | |
| 284 | + } | |
| 285 | + } | |
| 286 | + | |
| 287 | + /** | |
| 288 | + * Registers a set of PSR-4 directories for a given namespace, | |
| 289 | + * replacing any others previously set for this namespace. | |
| 290 | + * | |
| 291 | + * @param string $prefix The prefix/namespace, with trailing '\\' | |
| 292 | + * @param list<string>|string $paths The PSR-4 base directories | |
| 293 | + * | |
| 294 | + * @throws \InvalidArgumentException | |
| 295 | + * | |
| 296 | + * @return void | |
| 297 | + */ | |
| 298 | + public function setPsr4($prefix, $paths) | |
| 299 | + { | |
| 300 | + if (!$prefix) { | |
| 301 | + $this->fallbackDirsPsr4 = (array) $paths; | |
| 302 | + } else { | |
| 303 | + $length = strlen($prefix); | |
| 304 | + if ('\\' !== $prefix[$length - 1]) { | |
| 305 | + throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator."); | |
| 306 | + } | |
| 307 | + $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length; | |
| 308 | + $this->prefixDirsPsr4[$prefix] = (array) $paths; | |
| 309 | + } | |
| 310 | + } | |
| 311 | + | |
| 312 | + /** | |
| 313 | + * Turns on searching the include path for class files. | |
| 314 | + * | |
| 315 | + * @param bool $useIncludePath | |
| 316 | + * | |
| 317 | + * @return void | |
| 318 | + */ | |
| 319 | + public function setUseIncludePath($useIncludePath) | |
| 320 | + { | |
| 321 | + $this->useIncludePath = $useIncludePath; | |
| 322 | + } | |
| 323 | + | |
| 324 | + /** | |
| 325 | + * Can be used to check if the autoloader uses the include path to check | |
| 326 | + * for classes. | |
| 327 | + * | |
| 328 | + * @return bool | |
| 329 | + */ | |
| 330 | + public function getUseIncludePath() | |
| 331 | + { | |
| 332 | + return $this->useIncludePath; | |
| 333 | + } | |
| 334 | + | |
| 335 | + /** | |
| 336 | + * Turns off searching the prefix and fallback directories for classes | |
| 337 | + * that have not been registered with the class map. | |
| 338 | + * | |
| 339 | + * @param bool $classMapAuthoritative | |
| 340 | + * | |
| 341 | + * @return void | |
| 342 | + */ | |
| 343 | + public function setClassMapAuthoritative($classMapAuthoritative) | |
| 344 | + { | |
| 345 | + $this->classMapAuthoritative = $classMapAuthoritative; | |
| 346 | + } | |
| 347 | + | |
| 348 | + /** | |
| 349 | + * Should class lookup fail if not found in the current class map? | |
| 350 | + * | |
| 351 | + * @return bool | |
| 352 | + */ | |
| 353 | + public function isClassMapAuthoritative() | |
| 354 | + { | |
| 355 | + return $this->classMapAuthoritative; | |
| 356 | + } | |
| 357 | + | |
| 358 | + /** | |
| 359 | + * APCu prefix to use to cache found/not-found classes, if the extension is enabled. | |
| 360 | + * | |
| 361 | + * @param string|null $apcuPrefix | |
| 362 | + * | |
| 363 | + * @return void | |
| 364 | + */ | |
| 365 | + public function setApcuPrefix($apcuPrefix) | |
| 366 | + { | |
| 367 | + $this->apcuPrefix = function_exists('apcu_fetch') && filter_var(ini_get('apc.enabled'), FILTER_VALIDATE_BOOLEAN) ? $apcuPrefix : null; | |
| 368 | + } | |
| 369 | + | |
| 370 | + /** | |
| 371 | + * The APCu prefix in use, or null if APCu caching is not enabled. | |
| 372 | + * | |
| 373 | + * @return string|null | |
| 374 | + */ | |
| 375 | + public function getApcuPrefix() | |
| 376 | + { | |
| 377 | + return $this->apcuPrefix; | |
| 378 | + } | |
| 379 | + | |
| 380 | + /** | |
| 381 | + * Registers this instance as an autoloader. | |
| 382 | + * | |
| 383 | + * @param bool $prepend Whether to prepend the autoloader or not | |
| 384 | + * | |
| 385 | + * @return void | |
| 386 | + */ | |
| 387 | + public function register($prepend = false) | |
| 388 | + { | |
| 389 | + spl_autoload_register(array($this, 'loadClass'), true, $prepend); | |
| 390 | + | |
| 391 | + if (null === $this->vendorDir) { | |
| 392 | + return; | |
| 393 | + } | |
| 394 | + | |
| 395 | + if ($prepend) { | |
| 396 | + self::$registeredLoaders = array($this->vendorDir => $this) + self::$registeredLoaders; | |
| 397 | + } else { | |
| 398 | + unset(self::$registeredLoaders[$this->vendorDir]); | |
| 399 | + self::$registeredLoaders[$this->vendorDir] = $this; | |
| 400 | + } | |
| 401 | + } | |
| 402 | + | |
| 403 | + /** | |
| 404 | + * Unregisters this instance as an autoloader. | |
| 405 | + * | |
| 406 | + * @return void | |
| 407 | + */ | |
| 408 | + public function unregister() | |
| 409 | + { | |
| 410 | + spl_autoload_unregister(array($this, 'loadClass')); | |
| 411 | + | |
| 412 | + if (null !== $this->vendorDir) { | |
| 413 | + unset(self::$registeredLoaders[$this->vendorDir]); | |
| 414 | + } | |
| 415 | + } | |
| 416 | + | |
| 417 | + /** | |
| 418 | + * Loads the given class or interface. | |
| 419 | + * | |
| 420 | + * @param string $class The name of the class | |
| 421 | + * @return true|null True if loaded, null otherwise | |
| 422 | + */ | |
| 423 | + public function loadClass($class) | |
| 424 | + { | |
| 425 | + if ($file = $this->findFile($class)) { | |
| 426 | + $includeFile = self::$includeFile; | |
| 427 | + $includeFile($file); | |
| 428 | + | |
| 429 | + return true; | |
| 430 | + } | |
| 431 | + | |
| 432 | + return null; | |
| 433 | + } | |
| 434 | + | |
| 435 | + /** | |
| 436 | + * Finds the path to the file where the class is defined. | |
| 437 | + * | |
| 438 | + * @param string $class The name of the class | |
| 439 | + * | |
| 440 | + * @return string|false The path if found, false otherwise | |
| 441 | + */ | |
| 442 | + public function findFile($class) | |
| 443 | + { | |
| 444 | + // class map lookup | |
| 445 | + if (isset($this->classMap[$class])) { | |
| 446 | + return $this->classMap[$class]; | |
| 447 | + } | |
| 448 | + if ($this->classMapAuthoritative || isset($this->missingClasses[$class])) { | |
| 449 | + return false; | |
| 450 | + } | |
| 451 | + if (null !== $this->apcuPrefix) { | |
| 452 | + $file = apcu_fetch($this->apcuPrefix.$class, $hit); | |
| 453 | + if ($hit) { | |
| 454 | + return $file; | |
| 455 | + } | |
| 456 | + } | |
| 457 | + | |
| 458 | + $file = $this->findFileWithExtension($class, '.php'); | |
| 459 | + | |
| 460 | + // Search for Hack files if we are running on HHVM | |
| 461 | + if (false === $file && defined('HHVM_VERSION')) { | |
| 462 | + $file = $this->findFileWithExtension($class, '.hh'); | |
| 463 | + } | |
| 464 | + | |
| 465 | + if (null !== $this->apcuPrefix) { | |
| 466 | + apcu_add($this->apcuPrefix.$class, $file); | |
| 467 | + } | |
| 468 | + | |
| 469 | + if (false === $file) { | |
| 470 | + // Remember that this class does not exist. | |
| 471 | + $this->missingClasses[$class] = true; | |
| 472 | + } | |
| 473 | + | |
| 474 | + return $file; | |
| 475 | + } | |
| 476 | + | |
| 477 | + /** | |
| 478 | + * Returns the currently registered loaders keyed by their corresponding vendor directories. | |
| 479 | + * | |
| 480 | + * @return array<string, self> | |
| 481 | + */ | |
| 482 | + public static function getRegisteredLoaders() | |
| 483 | + { | |
| 484 | + return self::$registeredLoaders; | |
| 485 | + } | |
| 486 | + | |
| 487 | + /** | |
| 488 | + * @param string $class | |
| 489 | + * @param string $ext | |
| 490 | + * @return string|false | |
| 491 | + */ | |
| 492 | + private function findFileWithExtension($class, $ext) | |
| 493 | + { | |
| 494 | + // PSR-4 lookup | |
| 495 | + $logicalPathPsr4 = strtr($class, '\\', DIRECTORY_SEPARATOR) . $ext; | |
| 496 | + | |
| 497 | + $first = $class[0]; | |
| 498 | + if (isset($this->prefixLengthsPsr4[$first])) { | |
| 499 | + $subPath = $class; | |
| 500 | + while (false !== $lastPos = strrpos($subPath, '\\')) { | |
| 501 | + $subPath = substr($subPath, 0, $lastPos); | |
| 502 | + $search = $subPath . '\\'; | |
| 503 | + if (isset($this->prefixDirsPsr4[$search])) { | |
| 504 | + $pathEnd = DIRECTORY_SEPARATOR . substr($logicalPathPsr4, $lastPos + 1); | |
| 505 | + foreach ($this->prefixDirsPsr4[$search] as $dir) { | |
| 506 | + if (file_exists($file = $dir . $pathEnd)) { | |
| 507 | + return $file; | |
| 508 | + } | |
| 509 | + } | |
| 510 | + } | |
| 511 | + } | |
| 512 | + } | |
| 513 | + | |
| 514 | + // PSR-4 fallback dirs | |
| 515 | + foreach ($this->fallbackDirsPsr4 as $dir) { | |
| 516 | + if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr4)) { | |
| 517 | + return $file; | |
| 518 | + } | |
| 519 | + } | |
| 520 | + | |
| 521 | + // PSR-0 lookup | |
| 522 | + if (false !== $pos = strrpos($class, '\\')) { | |
| 523 | + // namespaced class name | |
| 524 | + $logicalPathPsr0 = substr($logicalPathPsr4, 0, $pos + 1) | |
| 525 | + . strtr(substr($logicalPathPsr4, $pos + 1), '_', DIRECTORY_SEPARATOR); | |
| 526 | + } else { | |
| 527 | + // PEAR-like class name | |
| 528 | + $logicalPathPsr0 = strtr($class, '_', DIRECTORY_SEPARATOR) . $ext; | |
| 529 | + } | |
| 530 | + | |
| 531 | + if (isset($this->prefixesPsr0[$first])) { | |
| 532 | + foreach ($this->prefixesPsr0[$first] as $prefix => $dirs) { | |
| 533 | + if (0 === strpos($class, $prefix)) { | |
| 534 | + foreach ($dirs as $dir) { | |
| 535 | + if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) { | |
| 536 | + return $file; | |
| 537 | + } | |
| 538 | + } | |
| 539 | + } | |
| 540 | + } | |
| 541 | + } | |
| 542 | + | |
| 543 | + // PSR-0 fallback dirs | |
| 544 | + foreach ($this->fallbackDirsPsr0 as $dir) { | |
| 545 | + if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) { | |
| 546 | + return $file; | |
| 547 | + } | |
| 548 | + } | |
| 549 | + | |
| 550 | + // PSR-0 include paths. | |
| 551 | + if ($this->useIncludePath && $file = stream_resolve_include_path($logicalPathPsr0)) { | |
| 552 | + return $file; | |
| 553 | + } | |
| 554 | + | |
| 555 | + return false; | |
| 556 | + } | |
| 557 | + | |
| 558 | + /** | |
| 559 | + * @return void | |
| 560 | + */ | |
| 561 | + private static function initializeIncludeClosure() | |
| 562 | + { | |
| 563 | + if (self::$includeFile !== null) { | |
| 564 | + return; | |
| 565 | + } | |
| 566 | + | |
| 567 | + /** | |
| 568 | + * Scope isolated include. | |
| 569 | + * | |
| 570 | + * Prevents access to $this/self from included files. | |
| 571 | + * | |
| 572 | + * @param string $file | |
| 573 | + * @return void | |
| 574 | + */ | |
| 575 | + self::$includeFile = \Closure::bind(static function($file) { | |
| 576 | + include $file; | |
| 577 | + }, null, null); | |
| 578 | + } | |
| 579 | +} | |
