<?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 CBOR\ByteStringObject;
use CBOR\ByteStringWithChunkObject;
use CBOR\CBORObject;
use CBOR\TagObject as Base;
use CBOR\TextStringObject;
use CBOR\TextStringWithChunkObject;
use InvalidArgumentException;
final class Base64EncodingTag extends Base
{
public static function getTagId(): int
{
return 22;
}
public static function createFromLoadedData(int $additionalInformation, ?string $data, CBORObject $object): Base
{
return new self($additionalInformation, $data, $object);
}
public static function create(CBORObject $object): Base
{
if (!$object instanceof ByteStringObject && !$object instanceof ByteStringWithChunkObject && !$object instanceof TextStringObject && !$object instanceof TextStringWithChunkObject) {
throw new InvalidArgumentException('This tag only accepts Byte String, Infinite Byte String, Text String or Infinite Text String objects.');
}
return new self(22, null, $object);
}
public function getNormalizedData(bool $ignoreTags = false)
{
if ($ignoreTags) {
return $this->object->getNormalizedData($ignoreTags);
}
if (!$this->object instanceof ByteStringObject && !$this->object instanceof ByteStringWithChunkObject && !$this->object instanceof TextStringObject && !$this->object instanceof TextStringWithChunkObject) {
return $this->object->getNormalizedData($ignoreTags);
}
$result = base64_decode($this->object->getNormalizedData($ignoreTags), true);
if (false === $result) {
throw new InvalidArgumentException('Unable to decode the data');
}
return $result;
}
}