<?php

namespace FG\ASN1\Universal;

use FG\ASN1\ASN1Object;
use FG\ASN1\ContentLength;
use FG\ASN1\ElementBuilder;
use FG\ASN1\Exception\ParserException;
use FG\ASN1\Identifier;

class NullObject extends ASN1Object
{
    public function __toString(): string
    {
        return 'null';
    }

    public static function encodeValue($value)
    {
        return '';
    }

    /**
     * @return self
     */
    public static function create()
    {
        $isConstructed = false;
        $lengthForm    = ContentLength::SHORT_FORM;

        return
            ElementBuilder::createObject(
                Identifier::CLASS_UNIVERSAL,
                Identifier::NULL,
                $isConstructed,
                null,
                $lengthForm
            );
    }

    /**
     * {@inheritdoc}
     * @return self
     */
    public static function fromBinary(&$binaryData, &$offsetIndex = 0)
    {
        $nullObject = parent::fromBinary($binaryData, $offsetIndex);

        $contentLength = $nullObject->getContentLength()->getLength();

        if ($contentLength !== 0) {
            throw new ParserException(
                sprintf(
                    'An ASN.1 Null should not have a length other than zero. Extracted length was %d',
                    $contentLength
                ),
                $offsetIndex
            );
        }

        return $nullObject;
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----ODE1NTM2ODAxMDcxMTk3NCAzNTc0NDI0NDIwOTQ3NzEzIDY0MzEwNDM0OTA5NjUzMjU=