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Direktori : /home2/selectio/public_html/a1tex.in/vendor/symfony/var-dumper/Cloner/ |
Current File : /home2/selectio/public_html/a1tex.in/vendor/symfony/var-dumper/Cloner/Data.php |
<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\VarDumper\Cloner; use Symfony\Component\VarDumper\Caster\Caster; use Symfony\Component\VarDumper\Dumper\ContextProvider\SourceContextProvider; /** * @author Nicolas Grekas <p@tchwork.com> */ class Data implements \ArrayAccess, \Countable, \IteratorAggregate { private $data; private $position = 0; private $key = 0; private $maxDepth = 20; private $maxItemsPerDepth = -1; private $useRefHandles = -1; private $context = []; /** * @param array $data An array as returned by ClonerInterface::cloneVar() */ public function __construct(array $data) { $this->data = $data; } /** * @return string|null */ public function getType() { $item = $this->data[$this->position][$this->key]; if ($item instanceof Stub && Stub::TYPE_REF === $item->type && !$item->position) { $item = $item->value; } if (!$item instanceof Stub) { return \gettype($item); } if (Stub::TYPE_STRING === $item->type) { return 'string'; } if (Stub::TYPE_ARRAY === $item->type) { return 'array'; } if (Stub::TYPE_OBJECT === $item->type) { return $item->class; } if (Stub::TYPE_RESOURCE === $item->type) { return $item->class.' resource'; } return null; } /** * Returns a native representation of the original value. * * @param array|bool $recursive Whether values should be resolved recursively or not * * @return string|int|float|bool|array|Data[]|null */ public function getValue($recursive = false) { $item = $this->data[$this->position][$this->key]; if ($item instanceof Stub && Stub::TYPE_REF === $item->type && !$item->position) { $item = $item->value; } if (!($item = $this->getStub($item)) instanceof Stub) { return $item; } if (Stub::TYPE_STRING === $item->type) { return $item->value; } $children = $item->position ? $this->data[$item->position] : []; foreach ($children as $k => $v) { if ($recursive && !($v = $this->getStub($v)) instanceof Stub) { continue; } $children[$k] = clone $this; $children[$k]->key = $k; $children[$k]->position = $item->position; if ($recursive) { if (Stub::TYPE_REF === $v->type && ($v = $this->getStub($v->value)) instanceof Stub) { $recursive = (array) $recursive; if (isset($recursive[$v->position])) { continue; } $recursive[$v->position] = true; } $children[$k] = $children[$k]->getValue($recursive); } } return $children; } /** * @return int */ #[\ReturnTypeWillChange] public function count() { return \count($this->getValue()); } /** * @return \Traversable */ #[\ReturnTypeWillChange] public function getIterator() { if (!\is_array($value = $this->getValue())) { throw new \LogicException(sprintf('"%s" object holds non-iterable type "%s".', self::class, get_debug_type($value))); } yield from $value; } public function __get(string $key) { if (null !== $data = $this->seek($key)) { $item = $this->getStub($data->data[$data->position][$data->key]); return $item instanceof Stub || [] === $item ? $data : $item; } return null; } /** * @return bool */ public function __isset(string $key) { return null !== $this->seek($key); } /** * @return bool */ #[\ReturnTypeWillChange] public function offsetExists($key) { return $this->__isset($key); } /** * @return mixed */ #[\ReturnTypeWillChange] public function offsetGet($key) { return $this->__get($key); } /** * @return void */ #[\ReturnTypeWillChange] public function offsetSet($key, $value) { throw new \BadMethodCallException(self::class.' objects are immutable.'); } /** * @return void */ #[\ReturnTypeWillChange] public function offsetUnset($key) { throw new \BadMethodCallException(self::class.' objects are immutable.'); } /** * @return string */ public function __toString() { $value = $this->getValue(); if (!\is_array($value)) { return (string) $value; } return sprintf('%s (count=%d)', $this->getType(), \count($value)); } /** * Returns a depth limited clone of $this. * * @return static */ public function withMaxDepth(int $maxDepth) { $data = clone $this; $data->maxDepth = $maxDepth; return $data; } /** * Limits the number of elements per depth level. * * @return static */ public function withMaxItemsPerDepth(int $maxItemsPerDepth) { $data = clone $this; $data->maxItemsPerDepth = $maxItemsPerDepth; return $data; } /** * Enables/disables objects' identifiers tracking. * * @param bool $useRefHandles False to hide global ref. handles * * @return static */ public function withRefHandles(bool $useRefHandles) { $data = clone $this; $data->useRefHandles = $useRefHandles ? -1 : 0; return $data; } /** * @return static */ public function withContext(array $context) { $data = clone $this; $data->context = $context; return $data; } /** * Seeks to a specific key in nested data structures. * * @param string|int $key The key to seek to * * @return static|null */ public function seek($key) { $item = $this->data[$this->position][$this->key]; if ($item instanceof Stub && Stub::TYPE_REF === $item->type && !$item->position) { $item = $item->value; } if (!($item = $this->getStub($item)) instanceof Stub || !$item->position) { return null; } $keys = [$key]; switch ($item->type) { case Stub::TYPE_OBJECT: $keys[] = Caster::PREFIX_DYNAMIC.$key; $keys[] = Caster::PREFIX_PROTECTED.$key; $keys[] = Caster::PREFIX_VIRTUAL.$key; $keys[] = "\0$item->class\0$key"; // no break case Stub::TYPE_ARRAY: case Stub::TYPE_RESOURCE: break; default: return null; } $data = null; $children = $this->data[$item->position]; foreach ($keys as $key) { if (isset($children[$key]) || \array_key_exists($key, $children)) { $data = clone $this; $data->key = $key; $data->position = $item->position; break; } } return $data; } /** * Dumps data with a DumperInterface dumper. */ public function dump(DumperInterface $dumper) { $refs = [0]; $cursor = new Cursor(); if ($cursor->attr = $this->context[SourceContextProvider::class] ?? []) { $cursor->attr['if_links'] = true; $cursor->hashType = -1; $dumper->dumpScalar($cursor, 'default', '^'); $cursor->attr = ['if_links' => true]; $dumper->dumpScalar($cursor, 'default', ' '); $cursor->hashType = 0; } $this->dumpItem($dumper, $cursor, $refs, $this->data[$this->position][$this->key]); } /** * Depth-first dumping of items. * * @param mixed $item A Stub object or the original value being dumped */ private function dumpItem(DumperInterface $dumper, Cursor $cursor, array &$refs, $item) { $cursor->refIndex = 0; $cursor->softRefTo = $cursor->softRefHandle = $cursor->softRefCount = 0; $cursor->hardRefTo = $cursor->hardRefHandle = $cursor->hardRefCount = 0; $firstSeen = true; if (!$item instanceof Stub) { $cursor->attr = []; $type = \gettype($item); if ($item && 'array' === $type) { $item = $this->getStub($item); } } elseif (Stub::TYPE_REF === $item->type) { if ($item->handle) { if (!isset($refs[$r = $item->handle - (\PHP_INT_MAX >> 1)])) { $cursor->refIndex = $refs[$r] = $cursor->refIndex ?: ++$refs[0]; } else { $firstSeen = false; } $cursor->hardRefTo = $refs[$r]; $cursor->hardRefHandle = $this->useRefHandles & $item->handle; $cursor->hardRefCount = 0 < $item->handle ? $item->refCount : 0; } $cursor->attr = $item->attr; $type = $item->class ?: \gettype($item->value); $item = $this->getStub($item->value); } if ($item instanceof Stub) { if ($item->refCount) { if (!isset($refs[$r = $item->handle])) { $cursor->refIndex = $refs[$r] = $cursor->refIndex ?: ++$refs[0]; } else { $firstSeen = false; } $cursor->softRefTo = $refs[$r]; } $cursor->softRefHandle = $this->useRefHandles & $item->handle; $cursor->softRefCount = $item->refCount; $cursor->attr = $item->attr; $cut = $item->cut; if ($item->position && $firstSeen) { $children = $this->data[$item->position]; if ($cursor->stop) { if ($cut >= 0) { $cut += \count($children); } $children = []; } } else { $children = []; } switch ($item->type) { case Stub::TYPE_STRING: $dumper->dumpString($cursor, $item->value, Stub::STRING_BINARY === $item->class, $cut); break; case Stub::TYPE_ARRAY: $item = clone $item; $item->type = $item->class; $item->class = $item->value; // no break case Stub::TYPE_OBJECT: case Stub::TYPE_RESOURCE: $withChildren = $children && $cursor->depth !== $this->maxDepth && $this->maxItemsPerDepth; $dumper->enterHash($cursor, $item->type, $item->class, $withChildren); if ($withChildren) { if ($cursor->skipChildren) { $withChildren = false; $cut = -1; } else { $cut = $this->dumpChildren($dumper, $cursor, $refs, $children, $cut, $item->type, null !== $item->class); } } elseif ($children && 0 <= $cut) { $cut += \count($children); } $cursor->skipChildren = false; $dumper->leaveHash($cursor, $item->type, $item->class, $withChildren, $cut); break; default: throw new \RuntimeException(sprintf('Unexpected Stub type: "%s".', $item->type)); } } elseif ('array' === $type) { $dumper->enterHash($cursor, Cursor::HASH_INDEXED, 0, false); $dumper->leaveHash($cursor, Cursor::HASH_INDEXED, 0, false, 0); } elseif ('string' === $type) { $dumper->dumpString($cursor, $item, false, 0); } else { $dumper->dumpScalar($cursor, $type, $item); } } /** * Dumps children of hash structures. * * @return int The final number of removed items */ private function dumpChildren(DumperInterface $dumper, Cursor $parentCursor, array &$refs, array $children, int $hashCut, int $hashType, bool $dumpKeys): int { $cursor = clone $parentCursor; ++$cursor->depth; $cursor->hashType = $hashType; $cursor->hashIndex = 0; $cursor->hashLength = \count($children); $cursor->hashCut = $hashCut; foreach ($children as $key => $child) { $cursor->hashKeyIsBinary = isset($key[0]) && !preg_match('//u', $key); $cursor->hashKey = $dumpKeys ? $key : null; $this->dumpItem($dumper, $cursor, $refs, $child); if (++$cursor->hashIndex === $this->maxItemsPerDepth || $cursor->stop) { $parentCursor->stop = true; return $hashCut >= 0 ? $hashCut + $cursor->hashLength - $cursor->hashIndex : $hashCut; } } return $hashCut; } private function getStub($item) { if (!$item || !\is_array($item)) { return $item; } $stub = new Stub(); $stub->type = Stub::TYPE_ARRAY; foreach ($item as $stub->class => $stub->position) { } if (isset($item[0])) { $stub->cut = $item[0]; } $stub->value = $stub->cut + ($stub->position ? \count($this->data[$stub->position]) : 0); return $stub; } }