* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\VarDumper\Caster; use Symfony\Component\VarDumper\Cloner\Stub; /** * Casts SPL related classes to array representation. * * @author Nicolas Grekas
* * @final */ class SplCaster { private const SPL_FILE_OBJECT_FLAGS = [ \SplFileObject::DROP_NEW_LINE => 'DROP_NEW_LINE', \SplFileObject::READ_AHEAD => 'READ_AHEAD', \SplFileObject::SKIP_EMPTY => 'SKIP_EMPTY', \SplFileObject::READ_CSV => 'READ_CSV', ]; /** * @return array */ public static function castArrayObject(\ArrayObject $c, array $a, Stub $stub, bool $isNested) { return self::castSplArray($c, $a, $stub, $isNested); } /** * @return array */ public static function castArrayIterator(\ArrayIterator $c, array $a, Stub $stub, bool $isNested) { return self::castSplArray($c, $a, $stub, $isNested); } /** * @return array */ public static function castHeap(\Iterator $c, array $a, Stub $stub, bool $isNested) { $a += [ Caster::PREFIX_VIRTUAL.'heap' => iterator_to_array(clone $c), ]; return $a; } /** * @return array */ public static function castDoublyLinkedList(\SplDoublyLinkedList $c, array $a, Stub $stub, bool $isNested) { $prefix = Caster::PREFIX_VIRTUAL; $mode = $c->getIteratorMode(); $c->setIteratorMode(\SplDoublyLinkedList::IT_MODE_KEEP | $mode & ~\SplDoublyLinkedList::IT_MODE_DELETE); $a += [ $prefix.'mode' => new ConstStub((($mode & \SplDoublyLinkedList::IT_MODE_LIFO) ? 'IT_MODE_LIFO' : 'IT_MODE_FIFO').' | '.(($mode & \SplDoublyLinkedList::IT_MODE_DELETE) ? 'IT_MODE_DELETE' : 'IT_MODE_KEEP'), $mode), $prefix.'dllist' => iterator_to_array($c), ]; $c->setIteratorMode($mode); return $a; } /** * @return array */ public static function castFileInfo(\SplFileInfo $c, array $a, Stub $stub, bool $isNested) { static $map = [ 'path' => 'getPath', 'filename' => 'getFilename', 'basename' => 'getBasename', 'pathname' => 'getPathname', 'extension' => 'getExtension', 'realPath' => 'getRealPath', 'aTime' => 'getATime', 'mTime' => 'getMTime', 'cTime' => 'getCTime', 'inode' => 'getInode', 'size' => 'getSize', 'perms' => 'getPerms', 'owner' => 'getOwner', 'group' => 'getGroup', 'type' => 'getType', 'writable' => 'isWritable', 'readable' => 'isReadable', 'executable' => 'isExecutable', 'file' => 'isFile', 'dir' => 'isDir', 'link' => 'isLink', 'linkTarget' => 'getLinkTarget', ]; $prefix = Caster::PREFIX_VIRTUAL; unset($a["\0SplFileInfo\0fileName"]); unset($a["\0SplFileInfo\0pathName"]); try { $c->isReadable(); } catch (\RuntimeException $e) { if ('Object not initialized' !== $e->getMessage()) { throw $e; } $a[$prefix.'⚠'] = 'The parent constructor was not called: the object is in an invalid state'; return $a; } catch (\Error $e) { if ('Object not initialized' !== $e->getMessage()) { throw $e; } $a[$prefix.'⚠'] = 'The parent constructor was not called: the object is in an invalid state'; return $a; } foreach ($map as $key => $accessor) { try { $a[$prefix.$key] = $c->$accessor(); } catch (\Exception) { } } if ($a[$prefix.'realPath'] ?? false) { $a[$prefix.'realPath'] = new LinkStub($a[$prefix.'realPath']); } if (isset($a[$prefix.'perms'])) { $a[$prefix.'perms'] = new ConstStub(sprintf('0%o', $a[$prefix.'perms']), $a[$prefix.'perms']); } static $mapDate = ['aTime', 'mTime', 'cTime']; foreach ($mapDate as $key) { if (isset($a[$prefix.$key])) { $a[$prefix.$key] = new ConstStub(date('Y-m-d H:i:s', $a[$prefix.$key]), $a[$prefix.$key]); } } return $a; } /** * @return array */ public static function castFileObject(\SplFileObject $c, array $a, Stub $stub, bool $isNested) { static $map = [ 'csvControl' => 'getCsvControl', 'flags' => 'getFlags', 'maxLineLen' => 'getMaxLineLen', 'fstat' => 'fstat', 'eof' => 'eof', 'key' => 'key', ]; $prefix = Caster::PREFIX_VIRTUAL; foreach ($map as $key => $accessor) { try { $a[$prefix.$key] = $c->$accessor(); } catch (\Exception) { } } if (isset($a[$prefix.'flags'])) { $flagsArray = []; foreach (self::SPL_FILE_OBJECT_FLAGS as $value => $name) { if ($a[$prefix.'flags'] & $value) { $flagsArray[] = $name; } } $a[$prefix.'flags'] = new ConstStub(implode('|', $flagsArray), $a[$prefix.'flags']); } if (isset($a[$prefix.'fstat'])) { $a[$prefix.'fstat'] = new CutArrayStub($a[$prefix.'fstat'], ['dev', 'ino', 'nlink', 'rdev', 'blksize', 'blocks']); } return $a; } /** * @return array */ public static function castObjectStorage(\SplObjectStorage $c, array $a, Stub $stub, bool $isNested) { $storage = []; unset($a[Caster::PREFIX_DYNAMIC."\0gcdata"]); // Don't hit https://bugs.php.net/65967 unset($a["\0SplObjectStorage\0storage"]); $clone = clone $c; foreach ($clone as $obj) { $storage[] = new EnumStub([ 'object' => $obj, 'info' => $clone->getInfo(), ]); } $a += [ Caster::PREFIX_VIRTUAL.'storage' => $storage, ]; return $a; } /** * @return array */ public static function castOuterIterator(\OuterIterator $c, array $a, Stub $stub, bool $isNested) { $a[Caster::PREFIX_VIRTUAL.'innerIterator'] = $c->getInnerIterator(); return $a; } /** * @return array */ public static function castWeakReference(\WeakReference $c, array $a, Stub $stub, bool $isNested) { $a[Caster::PREFIX_VIRTUAL.'object'] = $c->get(); return $a; } /** * @return array */ public static function castWeakMap(\WeakMap $c, array $a, Stub $stub, bool $isNested) { $map = []; foreach (clone $c as $obj => $data) { $map[] = new EnumStub([ 'object' => $obj, 'data' => $data, ]); } $a += [ Caster::PREFIX_VIRTUAL.'map' => $map, ]; return $a; } private static function castSplArray(\ArrayObject|\ArrayIterator $c, array $a, Stub $stub, bool $isNested): array { $prefix = Caster::PREFIX_VIRTUAL; $flags = $c->getFlags(); if (!($flags & \ArrayObject::STD_PROP_LIST)) { $c->setFlags(\ArrayObject::STD_PROP_LIST); $a = Caster::castObject($c, $c::class, method_exists($c, '__debugInfo'), $stub->class); $c->setFlags($flags); } unset($a["\0ArrayObject\0storage"], $a["\0ArrayIterator\0storage"]); $a += [ $prefix.'storage' => $c->getArrayCopy(), $prefix.'flag::STD_PROP_LIST' => (bool) ($flags & \ArrayObject::STD_PROP_LIST), $prefix.'flag::ARRAY_AS_PROPS' => (bool) ($flags & \ArrayObject::ARRAY_AS_PROPS), ]; if ($c instanceof \ArrayObject) { $a[$prefix.'iteratorClass'] = new ClassStub($c->getIteratorClass()); } return $a; } }