<?php
declare(strict_types=1);
/*
* The MIT License (MIT)
*
* Copyright (c) 2018-2020 Spomky-Labs
*
* This software may be modified and distributed under the terms
* of the MIT license. See the LICENSE file for details.
*/
namespace CBOR\Tag;
use function array_key_exists;
use Assert\Assertion;
use CBOR\CBORObject;
use CBOR\TagObject;
use CBOR\Utils;
use InvalidArgumentException;
class TagObjectManager
{
/**
* @var string[]
*/
private $classes = [];
public function add(string $class): void
{
if ($class::getTagId() < 0) {
throw new InvalidArgumentException('Invalid tag ID.');
}
$this->classes[$class::getTagId()] = $class;
}
public function getClassForValue(int $value): string
{
return array_key_exists($value, $this->classes) ? $this->classes[$value] : GenericTag::class;
}
public function createObjectForValue(int $additionalInformation, ?string $data, CBORObject $object): TagObject
{
$value = $additionalInformation;
if ($additionalInformation >= 24) {
Assertion::string($data, 'Invalid data');
$value = Utils::binToInt($data);
}
/** @var TagObject $class */
$class = $this->getClassForValue($value);
return $class::createFromLoadedData($additionalInformation, $data, $object);
}
}