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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;

use Symfony\Component\VarDumper\Caster\Caster;
use Symfony\Component\VarDumper\Exception\ThrowingCasterException;

/**
 * AbstractCloner implements a generic caster mechanism for objects and
resources.
 *
 * @author Nicolas Grekas <p@tchwork.com>
 */
abstract class AbstractCloner implements ClonerInterface
{
    public static $defaultCasters = [
        '__PHP_Incomplete_Class' =>
['Symfony\Component\VarDumper\Caster\Caster',
'castPhpIncompleteClass'],

        'Symfony\Component\VarDumper\Caster\CutStub' =>
['Symfony\Component\VarDumper\Caster\StubCaster',
'castStub'],
        'Symfony\Component\VarDumper\Caster\CutArrayStub' =>
['Symfony\Component\VarDumper\Caster\StubCaster',
'castCutArray'],
        'Symfony\Component\VarDumper\Caster\ConstStub' =>
['Symfony\Component\VarDumper\Caster\StubCaster',
'castStub'],
        'Symfony\Component\VarDumper\Caster\EnumStub' =>
['Symfony\Component\VarDumper\Caster\StubCaster',
'castEnum'],
        'Symfony\Component\VarDumper\Caster\ScalarStub' =>
['Symfony\Component\VarDumper\Caster\StubCaster',
'castScalar'],

        'Fiber' =>
['Symfony\Component\VarDumper\Caster\FiberCaster',
'castFiber'],

        'Closure' =>
['Symfony\Component\VarDumper\Caster\ReflectionCaster',
'castClosure'],
        'Generator' =>
['Symfony\Component\VarDumper\Caster\ReflectionCaster',
'castGenerator'],
        'ReflectionType' =>
['Symfony\Component\VarDumper\Caster\ReflectionCaster',
'castType'],
        'ReflectionAttribute' =>
['Symfony\Component\VarDumper\Caster\ReflectionCaster',
'castAttribute'],
        'ReflectionGenerator' =>
['Symfony\Component\VarDumper\Caster\ReflectionCaster',
'castReflectionGenerator'],
        'ReflectionClass' =>
['Symfony\Component\VarDumper\Caster\ReflectionCaster',
'castClass'],
        'ReflectionClassConstant' =>
['Symfony\Component\VarDumper\Caster\ReflectionCaster',
'castClassConstant'],
        'ReflectionFunctionAbstract' =>
['Symfony\Component\VarDumper\Caster\ReflectionCaster',
'castFunctionAbstract'],
        'ReflectionMethod' =>
['Symfony\Component\VarDumper\Caster\ReflectionCaster',
'castMethod'],
        'ReflectionParameter' =>
['Symfony\Component\VarDumper\Caster\ReflectionCaster',
'castParameter'],
        'ReflectionProperty' =>
['Symfony\Component\VarDumper\Caster\ReflectionCaster',
'castProperty'],
        'ReflectionReference' =>
['Symfony\Component\VarDumper\Caster\ReflectionCaster',
'castReference'],
        'ReflectionExtension' =>
['Symfony\Component\VarDumper\Caster\ReflectionCaster',
'castExtension'],
        'ReflectionZendExtension' =>
['Symfony\Component\VarDumper\Caster\ReflectionCaster',
'castZendExtension'],

        'Doctrine\Common\Persistence\ObjectManager' =>
['Symfony\Component\VarDumper\Caster\StubCaster',
'cutInternals'],
        'Doctrine\Common\Proxy\Proxy' =>
['Symfony\Component\VarDumper\Caster\DoctrineCaster',
'castCommonProxy'],
        'Doctrine\ORM\Proxy\Proxy' =>
['Symfony\Component\VarDumper\Caster\DoctrineCaster',
'castOrmProxy'],
        'Doctrine\ORM\PersistentCollection' =>
['Symfony\Component\VarDumper\Caster\DoctrineCaster',
'castPersistentCollection'],
        'Doctrine\Persistence\ObjectManager' =>
['Symfony\Component\VarDumper\Caster\StubCaster',
'cutInternals'],

        'DOMException' =>
['Symfony\Component\VarDumper\Caster\DOMCaster',
'castException'],
        'DOMStringList' =>
['Symfony\Component\VarDumper\Caster\DOMCaster',
'castLength'],
        'DOMNameList' =>
['Symfony\Component\VarDumper\Caster\DOMCaster',
'castLength'],
        'DOMImplementation' =>
['Symfony\Component\VarDumper\Caster\DOMCaster',
'castImplementation'],
        'DOMImplementationList' =>
['Symfony\Component\VarDumper\Caster\DOMCaster',
'castLength'],
        'DOMNode' =>
['Symfony\Component\VarDumper\Caster\DOMCaster',
'castNode'],
        'DOMNameSpaceNode' =>
['Symfony\Component\VarDumper\Caster\DOMCaster',
'castNameSpaceNode'],
        'DOMDocument' =>
['Symfony\Component\VarDumper\Caster\DOMCaster',
'castDocument'],
        'DOMNodeList' =>
['Symfony\Component\VarDumper\Caster\DOMCaster',
'castLength'],
        'DOMNamedNodeMap' =>
['Symfony\Component\VarDumper\Caster\DOMCaster',
'castLength'],
        'DOMCharacterData' =>
['Symfony\Component\VarDumper\Caster\DOMCaster',
'castCharacterData'],
        'DOMAttr' =>
['Symfony\Component\VarDumper\Caster\DOMCaster',
'castAttr'],
        'DOMElement' =>
['Symfony\Component\VarDumper\Caster\DOMCaster',
'castElement'],
        'DOMText' =>
['Symfony\Component\VarDumper\Caster\DOMCaster',
'castText'],
        'DOMDocumentType' =>
['Symfony\Component\VarDumper\Caster\DOMCaster',
'castDocumentType'],
        'DOMNotation' =>
['Symfony\Component\VarDumper\Caster\DOMCaster',
'castNotation'],
        'DOMEntity' =>
['Symfony\Component\VarDumper\Caster\DOMCaster',
'castEntity'],
        'DOMProcessingInstruction' =>
['Symfony\Component\VarDumper\Caster\DOMCaster',
'castProcessingInstruction'],
        'DOMXPath' =>
['Symfony\Component\VarDumper\Caster\DOMCaster',
'castXPath'],

        'XMLReader' =>
['Symfony\Component\VarDumper\Caster\XmlReaderCaster',
'castXmlReader'],

        'ErrorException' =>
['Symfony\Component\VarDumper\Caster\ExceptionCaster',
'castErrorException'],
        'Exception' =>
['Symfony\Component\VarDumper\Caster\ExceptionCaster',
'castException'],
        'Error' =>
['Symfony\Component\VarDumper\Caster\ExceptionCaster',
'castError'],
        'Symfony\Bridge\Monolog\Logger' =>
['Symfony\Component\VarDumper\Caster\StubCaster',
'cutInternals'],
       
'Symfony\Component\DependencyInjection\ContainerInterface' =>
['Symfony\Component\VarDumper\Caster\StubCaster',
'cutInternals'],
       
'Symfony\Component\EventDispatcher\EventDispatcherInterface'
=> ['Symfony\Component\VarDumper\Caster\StubCaster',
'cutInternals'],
        'Symfony\Component\HttpClient\AmpHttpClient' =>
['Symfony\Component\VarDumper\Caster\SymfonyCaster',
'castHttpClient'],
        'Symfony\Component\HttpClient\CurlHttpClient' =>
['Symfony\Component\VarDumper\Caster\SymfonyCaster',
'castHttpClient'],
        'Symfony\Component\HttpClient\NativeHttpClient' =>
['Symfony\Component\VarDumper\Caster\SymfonyCaster',
'castHttpClient'],
        'Symfony\Component\HttpClient\Response\AmpResponse' =>
['Symfony\Component\VarDumper\Caster\SymfonyCaster',
'castHttpClientResponse'],
        'Symfony\Component\HttpClient\Response\CurlResponse'
=> ['Symfony\Component\VarDumper\Caster\SymfonyCaster',
'castHttpClientResponse'],
        'Symfony\Component\HttpClient\Response\NativeResponse'
=> ['Symfony\Component\VarDumper\Caster\SymfonyCaster',
'castHttpClientResponse'],
        'Symfony\Component\HttpFoundation\Request' =>
['Symfony\Component\VarDumper\Caster\SymfonyCaster',
'castRequest'],
        'Symfony\Component\Uid\Ulid' =>
['Symfony\Component\VarDumper\Caster\SymfonyCaster',
'castUlid'],
        'Symfony\Component\Uid\Uuid' =>
['Symfony\Component\VarDumper\Caster\SymfonyCaster',
'castUuid'],
        'Symfony\Component\VarExporter\Internal\LazyObjectState'
=> ['Symfony\Component\VarDumper\Caster\SymfonyCaster',
'castLazyObjectState'],
       
'Symfony\Component\VarDumper\Exception\ThrowingCasterException'
=> ['Symfony\Component\VarDumper\Caster\ExceptionCaster',
'castThrowingCasterException'],
        'Symfony\Component\VarDumper\Caster\TraceStub' =>
['Symfony\Component\VarDumper\Caster\ExceptionCaster',
'castTraceStub'],
        'Symfony\Component\VarDumper\Caster\FrameStub' =>
['Symfony\Component\VarDumper\Caster\ExceptionCaster',
'castFrameStub'],
        'Symfony\Component\VarDumper\Cloner\AbstractCloner' =>
['Symfony\Component\VarDumper\Caster\StubCaster',
'cutInternals'],
       
'Symfony\Component\ErrorHandler\Exception\FlattenException' =>
['Symfony\Component\VarDumper\Caster\ExceptionCaster',
'castFlattenException'],
       
'Symfony\Component\ErrorHandler\Exception\SilencedErrorContext'
=> ['Symfony\Component\VarDumper\Caster\ExceptionCaster',
'castSilencedErrorContext'],

        'Imagine\Image\ImageInterface' =>
['Symfony\Component\VarDumper\Caster\ImagineCaster',
'castImage'],

        'Ramsey\Uuid\UuidInterface' =>
['Symfony\Component\VarDumper\Caster\UuidCaster',
'castRamseyUuid'],

        'ProxyManager\Proxy\ProxyInterface' =>
['Symfony\Component\VarDumper\Caster\ProxyManagerCaster',
'castProxy'],
        'PHPUnit_Framework_MockObject_MockObject' =>
['Symfony\Component\VarDumper\Caster\StubCaster',
'cutInternals'],
        'PHPUnit\Framework\MockObject\MockObject' =>
['Symfony\Component\VarDumper\Caster\StubCaster',
'cutInternals'],
        'PHPUnit\Framework\MockObject\Stub' =>
['Symfony\Component\VarDumper\Caster\StubCaster',
'cutInternals'],
        'Prophecy\Prophecy\ProphecySubjectInterface' =>
['Symfony\Component\VarDumper\Caster\StubCaster',
'cutInternals'],
        'Mockery\MockInterface' =>
['Symfony\Component\VarDumper\Caster\StubCaster',
'cutInternals'],

        'PDO' =>
['Symfony\Component\VarDumper\Caster\PdoCaster',
'castPdo'],
        'PDOStatement' =>
['Symfony\Component\VarDumper\Caster\PdoCaster',
'castPdoStatement'],

        'AMQPConnection' =>
['Symfony\Component\VarDumper\Caster\AmqpCaster',
'castConnection'],
        'AMQPChannel' =>
['Symfony\Component\VarDumper\Caster\AmqpCaster',
'castChannel'],
        'AMQPQueue' =>
['Symfony\Component\VarDumper\Caster\AmqpCaster',
'castQueue'],
        'AMQPExchange' =>
['Symfony\Component\VarDumper\Caster\AmqpCaster',
'castExchange'],
        'AMQPEnvelope' =>
['Symfony\Component\VarDumper\Caster\AmqpCaster',
'castEnvelope'],

        'ArrayObject' =>
['Symfony\Component\VarDumper\Caster\SplCaster',
'castArrayObject'],
        'ArrayIterator' =>
['Symfony\Component\VarDumper\Caster\SplCaster',
'castArrayIterator'],
        'SplDoublyLinkedList' =>
['Symfony\Component\VarDumper\Caster\SplCaster',
'castDoublyLinkedList'],
        'SplFileInfo' =>
['Symfony\Component\VarDumper\Caster\SplCaster',
'castFileInfo'],
        'SplFileObject' =>
['Symfony\Component\VarDumper\Caster\SplCaster',
'castFileObject'],
        'SplHeap' =>
['Symfony\Component\VarDumper\Caster\SplCaster',
'castHeap'],
        'SplObjectStorage' =>
['Symfony\Component\VarDumper\Caster\SplCaster',
'castObjectStorage'],
        'SplPriorityQueue' =>
['Symfony\Component\VarDumper\Caster\SplCaster',
'castHeap'],
        'OuterIterator' =>
['Symfony\Component\VarDumper\Caster\SplCaster',
'castOuterIterator'],
        'WeakMap' =>
['Symfony\Component\VarDumper\Caster\SplCaster',
'castWeakMap'],
        'WeakReference' =>
['Symfony\Component\VarDumper\Caster\SplCaster',
'castWeakReference'],

        'Redis' =>
['Symfony\Component\VarDumper\Caster\RedisCaster',
'castRedis'],
        'Relay\Relay' =>
['Symfony\Component\VarDumper\Caster\RedisCaster',
'castRedis'],
        'RedisArray' =>
['Symfony\Component\VarDumper\Caster\RedisCaster',
'castRedisArray'],
        'RedisCluster' =>
['Symfony\Component\VarDumper\Caster\RedisCaster',
'castRedisCluster'],

        'DateTimeInterface' =>
['Symfony\Component\VarDumper\Caster\DateCaster',
'castDateTime'],
        'DateInterval' =>
['Symfony\Component\VarDumper\Caster\DateCaster',
'castInterval'],
        'DateTimeZone' =>
['Symfony\Component\VarDumper\Caster\DateCaster',
'castTimeZone'],
        'DatePeriod' =>
['Symfony\Component\VarDumper\Caster\DateCaster',
'castPeriod'],

        'GMP' =>
['Symfony\Component\VarDumper\Caster\GmpCaster',
'castGmp'],

        'MessageFormatter' =>
['Symfony\Component\VarDumper\Caster\IntlCaster',
'castMessageFormatter'],
        'NumberFormatter' =>
['Symfony\Component\VarDumper\Caster\IntlCaster',
'castNumberFormatter'],
        'IntlTimeZone' =>
['Symfony\Component\VarDumper\Caster\IntlCaster',
'castIntlTimeZone'],
        'IntlCalendar' =>
['Symfony\Component\VarDumper\Caster\IntlCaster',
'castIntlCalendar'],
        'IntlDateFormatter' =>
['Symfony\Component\VarDumper\Caster\IntlCaster',
'castIntlDateFormatter'],

        'Memcached' =>
['Symfony\Component\VarDumper\Caster\MemcachedCaster',
'castMemcached'],

        'Ds\Collection' =>
['Symfony\Component\VarDumper\Caster\DsCaster',
'castCollection'],
        'Ds\Map' =>
['Symfony\Component\VarDumper\Caster\DsCaster',
'castMap'],
        'Ds\Pair' =>
['Symfony\Component\VarDumper\Caster\DsCaster',
'castPair'],
        'Symfony\Component\VarDumper\Caster\DsPairStub' =>
['Symfony\Component\VarDumper\Caster\DsCaster',
'castPairStub'],

        'mysqli_driver' =>
['Symfony\Component\VarDumper\Caster\MysqliCaster',
'castMysqliDriver'],

        'CurlHandle' =>
['Symfony\Component\VarDumper\Caster\ResourceCaster',
'castCurl'],

        ':dba' =>
['Symfony\Component\VarDumper\Caster\ResourceCaster',
'castDba'],
        ':dba persistent' =>
['Symfony\Component\VarDumper\Caster\ResourceCaster',
'castDba'],

        'GdImage' =>
['Symfony\Component\VarDumper\Caster\ResourceCaster',
'castGd'],
        ':gd' =>
['Symfony\Component\VarDumper\Caster\ResourceCaster',
'castGd'],

        ':pgsql large object' =>
['Symfony\Component\VarDumper\Caster\PgSqlCaster',
'castLargeObject'],
        ':pgsql link' =>
['Symfony\Component\VarDumper\Caster\PgSqlCaster',
'castLink'],
        ':pgsql link persistent' =>
['Symfony\Component\VarDumper\Caster\PgSqlCaster',
'castLink'],
        ':pgsql result' =>
['Symfony\Component\VarDumper\Caster\PgSqlCaster',
'castResult'],
        ':process' =>
['Symfony\Component\VarDumper\Caster\ResourceCaster',
'castProcess'],
        ':stream' =>
['Symfony\Component\VarDumper\Caster\ResourceCaster',
'castStream'],

        'OpenSSLCertificate' =>
['Symfony\Component\VarDumper\Caster\ResourceCaster',
'castOpensslX509'],
        ':OpenSSL X.509' =>
['Symfony\Component\VarDumper\Caster\ResourceCaster',
'castOpensslX509'],

        ':persistent stream' =>
['Symfony\Component\VarDumper\Caster\ResourceCaster',
'castStream'],
        ':stream-context' =>
['Symfony\Component\VarDumper\Caster\ResourceCaster',
'castStreamContext'],

        'XmlParser' =>
['Symfony\Component\VarDumper\Caster\XmlResourceCaster',
'castXml'],
        ':xml' =>
['Symfony\Component\VarDumper\Caster\XmlResourceCaster',
'castXml'],

        'RdKafka' =>
['Symfony\Component\VarDumper\Caster\RdKafkaCaster',
'castRdKafka'],
        'RdKafka\Conf' =>
['Symfony\Component\VarDumper\Caster\RdKafkaCaster',
'castConf'],
        'RdKafka\KafkaConsumer' =>
['Symfony\Component\VarDumper\Caster\RdKafkaCaster',
'castKafkaConsumer'],
        'RdKafka\Metadata\Broker' =>
['Symfony\Component\VarDumper\Caster\RdKafkaCaster',
'castBrokerMetadata'],
        'RdKafka\Metadata\Collection' =>
['Symfony\Component\VarDumper\Caster\RdKafkaCaster',
'castCollectionMetadata'],
        'RdKafka\Metadata\Partition' =>
['Symfony\Component\VarDumper\Caster\RdKafkaCaster',
'castPartitionMetadata'],
        'RdKafka\Metadata\Topic' =>
['Symfony\Component\VarDumper\Caster\RdKafkaCaster',
'castTopicMetadata'],
        'RdKafka\Message' =>
['Symfony\Component\VarDumper\Caster\RdKafkaCaster',
'castMessage'],
        'RdKafka\Topic' =>
['Symfony\Component\VarDumper\Caster\RdKafkaCaster',
'castTopic'],
        'RdKafka\TopicPartition' =>
['Symfony\Component\VarDumper\Caster\RdKafkaCaster',
'castTopicPartition'],
        'RdKafka\TopicConf' =>
['Symfony\Component\VarDumper\Caster\RdKafkaCaster',
'castTopicConf'],

        'FFI\CData' =>
['Symfony\Component\VarDumper\Caster\FFICaster',
'castCTypeOrCData'],
        'FFI\CType' =>
['Symfony\Component\VarDumper\Caster\FFICaster',
'castCTypeOrCData'],
    ];

    protected $maxItems = 2500;
    protected $maxString = -1;
    protected $minDepth = 1;

    /**
     * @var array<string, list<callable>>
     */
    private array $casters = [];

    /**
     * @var callable|null
     */
    private $prevErrorHandler;

    private array $classInfo = [];
    private int $filter = 0;

    /**
     * @param callable[]|null $casters A map of casters
     *
     * @see addCasters
     */
    public function __construct(?array $casters = null)
    {
        $this->addCasters($casters ?? static::$defaultCasters);
    }

    /**
     * Adds casters for resources and objects.
     *
     * Maps resources or objects types to a callback.
     * Types are in the key, with a callable caster for value.
     * Resource types are to be prefixed with a `:`,
     * see e.g. static::$defaultCasters.
     *
     * @param callable[] $casters A map of casters
     *
     * @return void
     */
    public function addCasters(array $casters)
    {
        foreach ($casters as $type => $callback) {
            $this->casters[$type][] = $callback;
        }
    }

    /**
     * Sets the maximum number of items to clone past the minimum depth in
nested structures.
     *
     * @return void
     */
    public function setMaxItems(int $maxItems)
    {
        $this->maxItems = $maxItems;
    }

    /**
     * Sets the maximum cloned length for strings.
     *
     * @return void
     */
    public function setMaxString(int $maxString)
    {
        $this->maxString = $maxString;
    }

    /**
     * Sets the minimum tree depth where we are guaranteed to clone all the
items.  After this
     * depth is reached, only setMaxItems items will be cloned.
     *
     * @return void
     */
    public function setMinDepth(int $minDepth)
    {
        $this->minDepth = $minDepth;
    }

    /**
     * Clones a PHP variable.
     *
     * @param int $filter A bit field of Caster::EXCLUDE_* constants
     */
    public function cloneVar(mixed $var, int $filter = 0): Data
    {
        $this->prevErrorHandler = set_error_handler(function ($type,
$msg, $file, $line, $context = []) {
            if (\E_RECOVERABLE_ERROR === $type || \E_USER_ERROR === $type)
{
                // Cloner never dies
                throw new \ErrorException($msg, 0, $type, $file, $line);
            }

            if ($this->prevErrorHandler) {
                return ($this->prevErrorHandler)($type, $msg, $file,
$line, $context);
            }

            return false;
        });
        $this->filter = $filter;

        if ($gc = gc_enabled()) {
            gc_disable();
        }
        try {
            return new Data($this->doClone($var));
        } finally {
            if ($gc) {
                gc_enable();
            }
            restore_error_handler();
            $this->prevErrorHandler = null;
        }
    }

    /**
     * Effectively clones the PHP variable.
     */
    abstract protected function doClone(mixed $var): array;

    /**
     * Casts an object to an array representation.
     *
     * @param bool $isNested True if the object is nested in the dumped
structure
     */
    protected function castObject(Stub $stub, bool $isNested): array
    {
        $obj = $stub->value;
        $class = $stub->class;

        if (str_contains($class, "@anonymous\0")) {
            $stub->class = get_debug_type($obj);
        }
        if (isset($this->classInfo[$class])) {
            [$i, $parents, $hasDebugInfo, $fileInfo] =
$this->classInfo[$class];
        } else {
            $i = 2;
            $parents = [$class];
            $hasDebugInfo = method_exists($class, '__debugInfo');

            foreach (class_parents($class) as $p) {
                $parents[] = $p;
                ++$i;
            }
            foreach (class_implements($class) as $p) {
                $parents[] = $p;
                ++$i;
            }
            $parents[] = '*';

            $r = new \ReflectionClass($class);
            $fileInfo = $r->isInternal() ||
$r->isSubclassOf(Stub::class) ? [] : [
                'file' => $r->getFileName(),
                'line' => $r->getStartLine(),
            ];

            $this->classInfo[$class] = [$i, $parents, $hasDebugInfo,
$fileInfo];
        }

        $stub->attr += $fileInfo;
        $a = Caster::castObject($obj, $class, $hasDebugInfo,
$stub->class);

        try {
            while ($i--) {
                if (!empty($this->casters[$p = $parents[$i]])) {
                    foreach ($this->casters[$p] as $callback) {
                        $a = $callback($obj, $a, $stub, $isNested,
$this->filter);
                    }
                }
            }
        } catch (\Exception $e) {
            $a = [(Stub::TYPE_OBJECT === $stub->type ?
Caster::PREFIX_VIRTUAL : '').'⚠' => new
ThrowingCasterException($e)] + $a;
        }

        return $a;
    }

    /**
     * Casts a resource to an array representation.
     *
     * @param bool $isNested True if the object is nested in the dumped
structure
     */
    protected function castResource(Stub $stub, bool $isNested): array
    {
        $a = [];
        $res = $stub->value;
        $type = $stub->class;

        try {
            if (!empty($this->casters[':'.$type])) {
                foreach ($this->casters[':'.$type] as
$callback) {
                    $a = $callback($res, $a, $stub, $isNested,
$this->filter);
                }
            }
        } catch (\Exception $e) {
            $a = [(Stub::TYPE_OBJECT === $stub->type ?
Caster::PREFIX_VIRTUAL : '').'⚠' => new
ThrowingCasterException($e)] + $a;
        }

        return $a;
    }
}