<?php
/*
* This file is part of the PHPASN1 library.
*
* Copyright © Friedrich Große <friedrich.grosse@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace FG\ASN1\Universal;
use Exception;
use FG\ASN1\Parsable;
use FG\ASN1\Identifier;
use FG\ASN1\Exception\ParserException;
class RelativeObjectIdentifier extends ObjectIdentifier implements Parsable
{
public function __construct($subIdentifiers)
{
$this->value = $subIdentifiers;
$this->subIdentifiers = explode('.', $subIdentifiers);
$nrOfSubIdentifiers = count($this->subIdentifiers);
for ($i = 0; $i < $nrOfSubIdentifiers; $i++) {
if (is_numeric($this->subIdentifiers[$i])) {
// enforce the integer type
$this->subIdentifiers[$i] = intval($this->subIdentifiers[$i]);
} else {
throw new Exception("[{$subIdentifiers}] is no valid object identifier (sub identifier ".($i + 1).' is not numeric)!');
}
}
}
public function getType()
{
return Identifier::RELATIVE_OID;
}
public static function fromBinary(&$binaryData, &$offsetIndex = 0)
{
self::parseIdentifier($binaryData[$offsetIndex], Identifier::RELATIVE_OID, $offsetIndex++);
$contentLength = self::parseContentLength($binaryData, $offsetIndex, 1);
try {
$oidString = self::parseOid($binaryData, $offsetIndex, $contentLength);
} catch (ParserException $e) {
throw new ParserException('Malformed ASN.1 Relative Object Identifier', $e->getOffset());
}
$parsedObject = new self($oidString);
$parsedObject->setContentLength($contentLength);
return $parsedObject;
}
}