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Editing: IndefiniteLengthListObject.php

<?php

declare(strict_types=1);

namespace CBOR;

use ArrayAccess;
use ArrayIterator;
use InvalidArgumentException;
use Iterator;
use IteratorAggregate;
use function array_key_exists;

/**
 * @phpstan-implements ArrayAccess<int, CBORObject>
 * @phpstan-implements IteratorAggregate<int, CBORObject>
 * @final
 */
class IndefiniteLengthListObject extends AbstractCBORObject implements IteratorAggregate, Normalizable, ArrayAccess
{
    private const MAJOR_TYPE = self::MAJOR_TYPE_LIST;

private const ADDITIONAL_INFORMATION = self::LENGTH_INDEFINITE;

/**
     * @var CBORObject[]
     */
    private array $data = [];

public function __construct()
    {
        parent::__construct(self::MAJOR_TYPE, self::ADDITIONAL_INFORMATION);
    }

public function __toString(): string
    {
        $result = parent::__toString();
        foreach ($this->data as $object) {
            $result .= (string) $object;
        }

return $result . "\xFF";
    }

public static function create(): self
    {
        return new self();
    }

/**
     * @return mixed[]
     */
    public function normalize(): array
    {
        return array_map(
            static fn (CBORObject $object) => $object instanceof Normalizable ? $object->normalize() : $object,
            $this->data
        );
    }

public function add(CBORObject $item): self
    {
        $this->data[] = $item;

return $this;
    }

public function has(int $index): bool
    {
        return array_key_exists($index, $this->data);
    }

public function remove(int $index): self
    {
        if (! $this->has($index)) {
            return $this;
        }
        unset($this->data[$index]);
        $this->data = array_values($this->data);

return $this;
    }

public function get(int $index): CBORObject
    {
        if (! $this->has($index)) {
            throw new InvalidArgumentException('Index not found.');
        }

return $this->data[$index];
    }

public function set(int $index, CBORObject $object): self
    {
        if (! $this->has($index)) {
            throw new InvalidArgumentException('Index not found.');
        }

$this->data[$index] = $object;

return $this;
    }

/**
     * @return Iterator<int, CBORObject>
     */
    public function getIterator(): Iterator
    {
        return new ArrayIterator($this->data);
    }

public function offsetExists($offset): bool
    {
        return $this->has($offset);
    }

public function offsetGet($offset): CBORObject
    {
        return $this->get($offset);
    }

public function offsetSet($offset, $value): void
    {
        if ($offset === null) {
            $this->add($value);

return;
        }

$this->set($offset, $value);
    }

public function offsetUnset($offset): void
    {
        $this->remove($offset);
    }
}

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