423 lines
13 KiB
PHP
Executable File
423 lines
13 KiB
PHP
Executable File
<?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 array $data;
|
|
private int $position = 0;
|
|
private int|string $key = 0;
|
|
private int $maxDepth = 20;
|
|
private int $maxItemsPerDepth = -1;
|
|
private int $useRefHandles = -1;
|
|
private array $context = [];
|
|
|
|
/**
|
|
* @param array $data An array as returned by ClonerInterface::cloneVar()
|
|
*/
|
|
public function __construct(array $data)
|
|
{
|
|
$this->data = $data;
|
|
}
|
|
|
|
public function getType(): ?string
|
|
{
|
|
$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(array|bool $recursive = false): string|int|float|bool|array|null
|
|
{
|
|
$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 $children;
|
|
}
|
|
|
|
public function count(): int
|
|
{
|
|
return \count($this->getValue());
|
|
}
|
|
|
|
public function getIterator(): \Traversable
|
|
{
|
|
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;
|
|
}
|
|
|
|
public function __isset(string $key): bool
|
|
{
|
|
return null !== $this->seek($key);
|
|
}
|
|
|
|
public function offsetExists(mixed $key): bool
|
|
{
|
|
return $this->__isset($key);
|
|
}
|
|
|
|
public function offsetGet(mixed $key): mixed
|
|
{
|
|
return $this->__get($key);
|
|
}
|
|
|
|
public function offsetSet(mixed $key, mixed $value): void
|
|
{
|
|
throw new \BadMethodCallException(self::class.' objects are immutable.');
|
|
}
|
|
|
|
public function offsetUnset(mixed $key): void
|
|
{
|
|
throw new \BadMethodCallException(self::class.' objects are immutable.');
|
|
}
|
|
|
|
public function __toString(): string
|
|
{
|
|
$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.
|
|
*/
|
|
public function withMaxDepth(int $maxDepth): static
|
|
{
|
|
$data = clone $this;
|
|
$data->maxDepth = $maxDepth;
|
|
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Limits the number of elements per depth level.
|
|
*/
|
|
public function withMaxItemsPerDepth(int $maxItemsPerDepth): static
|
|
{
|
|
$data = clone $this;
|
|
$data->maxItemsPerDepth = $maxItemsPerDepth;
|
|
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Enables/disables objects' identifiers tracking.
|
|
*
|
|
* @param bool $useRefHandles False to hide global ref. handles
|
|
*/
|
|
public function withRefHandles(bool $useRefHandles): static
|
|
{
|
|
$data = clone $this;
|
|
$data->useRefHandles = $useRefHandles ? -1 : 0;
|
|
|
|
return $data;
|
|
}
|
|
|
|
public function withContext(array $context): static
|
|
{
|
|
$data = clone $this;
|
|
$data->context = $context;
|
|
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Seeks to a specific key in nested data structures.
|
|
*/
|
|
public function seek(string|int $key): ?static
|
|
{
|
|
$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, mixed $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(mixed $item)
|
|
{
|
|
if (!$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;
|
|
}
|
|
}
|