/**
* @return ExtendedHeader
*/
private function readExtendedHeader()
{
$extendedHeader = new ExtendedHeader();
$extendedHeader->setSize($this->getBinaryReader()->readUInt8WithDiscardedMsb(4));
$extendedHeader->setFlagBytesNumber($this->getBinaryReader()->readUInt8());
$extendedHeader->setFlags($this->getBinaryReader()->readBytes($extendedHeader->getFlagBytesNumber()));
if ($extendedHeader->hasTagUpdate()) {
$tagUpdateFlagDataLength = $this->getBinaryReader()->readUInt8();
if ($tagUpdateFlagDataLength) {
//left if this flag will get ever data attached to it
}
}
if ($extendedHeader->hasCrcData()) {
$crcDataFlagDataLength = $this->getBinaryReader()->readUInt8();
if ($crcDataFlagDataLength) {
$extendedHeader->setCrcData($this->getBinaryReader()->readUInt8WithDiscardedMsb($crcDataFlagDataLength));
}
}
if ($extendedHeader->hasTagRestrictions()) {
$tagRestrictionsFlagDataLength = $this->getBinaryReader()->readUInt8();
if ($tagRestrictionsFlagDataLength) {
$extendedHeader->getTagRestrictions()->setFlags($this->getBinaryReader()->readUInt8());
}
}
return $extendedHeader;
}
public function testSetTagRestrictions()
{
$restrictions = new TagRestrictions();
$this->extendedHeader->setTagRestrictions($restrictions);
$this->assertSame($restrictions, $this->extendedHeader->getTagRestrictions());
}