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- <?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;
- /**
- * @author Nicolas Grekas <p@tchwork.com>
- */
- class Data
- {
- private $data;
- private $maxDepth = 20;
- private $maxItemsPerDepth = -1;
- private $useRefHandles = -1;
- /**
- * @param array $data A array as returned by ClonerInterface::cloneVar().
- */
- public function __construct(array $data)
- {
- $this->data = $data;
- }
- /**
- * @return array The raw data structure.
- */
- public function getRawData()
- {
- return $this->data;
- }
- /**
- * Returns a depth limited clone of $this.
- *
- * @param int $maxDepth The max dumped depth level.
- *
- * @return self A clone of $this.
- */
- public function withMaxDepth($maxDepth)
- {
- $data = clone $this;
- $data->maxDepth = (int) $maxDepth;
- return $data;
- }
- /**
- * Limits the numbers of elements per depth level.
- *
- * @param int $maxItemsPerDepth The max number of items dumped per depth level.
- *
- * @return self A clone of $this.
- */
- public function withMaxItemsPerDepth($maxItemsPerDepth)
- {
- $data = clone $this;
- $data->maxItemsPerDepth = (int) $maxItemsPerDepth;
- return $data;
- }
- /**
- * Enables/disables objects' identifiers tracking.
- *
- * @param bool $useRefHandles False to hide global ref. handles.
- *
- * @return self A clone of $this.
- */
- public function withRefHandles($useRefHandles)
- {
- $data = clone $this;
- $data->useRefHandles = $useRefHandles ? -1 : 0;
- return $data;
- }
- /**
- * Returns a depth limited clone of $this.
- *
- * @param int $maxDepth The max dumped depth level.
- * @param int $maxItemsPerDepth The max number of items dumped per depth level.
- * @param bool $useRefHandles False to hide ref. handles.
- *
- * @return self A depth limited clone of $this.
- *
- * @deprecated since Symfony 2.7, to be removed in 3.0. Use withMaxDepth, withMaxItemsPerDepth or withRefHandles instead.
- */
- public function getLimitedClone($maxDepth, $maxItemsPerDepth, $useRefHandles = true)
- {
- @trigger_error('The '.__METHOD__.' method is deprecated since Symfony 2.7 and will be removed in 3.0. Use withMaxDepth, withMaxItemsPerDepth or withRefHandles methods instead.', E_USER_DEPRECATED);
- $data = clone $this;
- $data->maxDepth = (int) $maxDepth;
- $data->maxItemsPerDepth = (int) $maxItemsPerDepth;
- $data->useRefHandles = $useRefHandles ? -1 : 0;
- return $data;
- }
- /**
- * Dumps data with a DumperInterface dumper.
- */
- public function dump(DumperInterface $dumper)
- {
- $refs = array(0);
- $this->dumpItem($dumper, new Cursor(), $refs, $this->data[0][0]);
- }
- /**
- * Depth-first dumping of items.
- *
- * @param DumperInterface $dumper The dumper being used for dumping.
- * @param Cursor $cursor A cursor used for tracking dumper state position.
- * @param array &$refs A map of all references discovered while dumping.
- * @param mixed $item A Stub object or the original value being dumped.
- */
- private function dumpItem($dumper, $cursor, &$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) {
- $type = gettype($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 = $item->refCount;
- }
- $type = $item->class ?: gettype($item->value);
- $item = $item->value;
- }
- if ($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;
- $cut = $item->cut;
- if ($item->position && $firstSeen) {
- $children = $this->data[$item->position];
- if ($cursor->stop) {
- if ($cut >= 0) {
- $cut += count($children);
- }
- $children = array();
- }
- } else {
- $children = array();
- }
- switch ($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) {
- $cut = $this->dumpChildren($dumper, $cursor, $refs, $children, $cut, $item->type);
- } elseif ($children && 0 <= $cut) {
- $cut += count($children);
- }
- $dumper->leaveHash($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.
- *
- * @param DumperInterface $dumper
- * @param Cursor $parentCursor The cursor of the parent hash.
- * @param array &$refs A map of all references discovered while dumping.
- * @param array $children The children to dump.
- * @param int $hashCut The number of items removed from the original hash.
- * @param string $hashType A Cursor::HASH_* const.
- *
- * @return int The final number of removed items.
- */
- private function dumpChildren($dumper, $parentCursor, &$refs, $children, $hashCut, $hashType)
- {
- $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 = $key;
- $this->dumpItem($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;
- }
- }
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