<?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\CBORObject;
use CBOR\OtherObject\DoublePrecisionFloatObject;
use CBOR\OtherObject\HalfPrecisionFloatObject;
use CBOR\OtherObject\SinglePrecisionFloatObject;
use CBOR\TagObject as Base;
use CBOR\UnsignedIntegerObject;
use DateTimeImmutable;
use InvalidArgumentException;
use function strval;
final class TimestampTag extends Base
{
public static function getTagId(): int
{
return 1;
}
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 UnsignedIntegerObject && !$object instanceof HalfPrecisionFloatObject && !$object instanceof SinglePrecisionFloatObject && !$object instanceof DoublePrecisionFloatObject) {
throw new InvalidArgumentException('This tag only accepts a Byte String object.');
}
return new self(1, null, $object);
}
public function getNormalizedData(bool $ignoreTags = false)
{
if ($ignoreTags) {
return $this->object->getNormalizedData($ignoreTags);
}
switch (true) {
case $this->object instanceof UnsignedIntegerObject:
return DateTimeImmutable::createFromFormat('U', strval($this->object->getNormalizedData($ignoreTags)));
case $this->object instanceof HalfPrecisionFloatObject:
case $this->object instanceof SinglePrecisionFloatObject:
case $this->object instanceof DoublePrecisionFloatObject:
return DateTimeImmutable::createFromFormat('U.u', strval($this->object->getNormalizedData($ignoreTags)));
default:
return $this->object->getNormalizedData($ignoreTags);
}
}
}