<?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\Caster;

use Symfony\Component\VarDumper\Cloner\Stub;

/**
 * Casts SPL related classes to array representation.
 *
 * @author Nicolas Grekas <p@tchwork.com>
 *
 * @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',
    ];

    public static function castArrayObject(\ArrayObject $c, array $a, Stub $stub, bool $isNested): array
    {
        return self::castSplArray($c, $a, $stub, $isNested);
    }

    public static function castArrayIterator(\ArrayIterator $c, array $a, Stub $stub, bool $isNested): array
    {
        return self::castSplArray($c, $a, $stub, $isNested);
    }

    public static function castHeap(\Iterator $c, array $a, Stub $stub, bool $isNested): array
    {
        $a += [
            Caster::PREFIX_VIRTUAL.'heap' => iterator_to_array(clone $c),
        ];

        return $a;
    }

    public static function castDoublyLinkedList(\SplDoublyLinkedList $c, array $a, Stub $stub, bool $isNested): array
    {
        $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;
    }

    public static function castFileInfo(\SplFileInfo $c, array $a, Stub $stub, bool $isNested): array
    {
        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;
    }

    public static function castFileObject(\SplFileObject $c, array $a, Stub $stub, bool $isNested): array
    {
        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;
    }

    public static function castObjectStorage(\SplObjectStorage $c, array $a, Stub $stub, bool $isNested): array
    {
        $storage = [];
        unset($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;
    }

    public static function castOuterIterator(\OuterIterator $c, array $a, Stub $stub, bool $isNested): array
    {
        $a[Caster::PREFIX_VIRTUAL.'innerIterator'] = $c->getInnerIterator();

        return $a;
    }

    public static function castWeakReference(\WeakReference $c, array $a, Stub $stub, bool $isNested): array
    {
        $a[Caster::PREFIX_VIRTUAL.'object'] = $c->get();

        return $a;
    }

    public static function castWeakMap(\WeakMap $c, array $a, Stub $stub, bool $isNested): array
    {
        $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;
    }
}

.NET Framework

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ProjectC

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Movie Navigator

Customers Exchange

ATM

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Mail Daemon

Custom

Buns of code

PHP

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Loan Castle

Content Management

Laravel

Phone Check

Frontend

Forex Wall

Business projects

Certification Center

Amerikas Auto

Pet projects

Geolocation Assistant

Web Dynamics

Blackball

Good old times

DOS Clock

BrainOut

Airport Administrator

Atomizer

Mediabox