private function createNextSegment(SegmentDescriptor $previous, $segment, $checkRights)
{
$previousKind = $previous->getTargetKind();
if ($previousKind == TargetKind::METADATA() || $previousKind == TargetKind::BATCH() || $previousKind == TargetKind::PRIMITIVE_VALUE() || $previousKind == TargetKind::BAG() || $previousKind == TargetKind::MEDIA_RESOURCE()) {
//All these targets are terminal segments, there cannot be anything after them.
throw ODataException::resourceNotFoundError(Messages::segmentParserMustBeLeafSegment($previous->getIdentifier()));
}
$identifier = $keyPredicate = null;
$this->extractSegmentIdentifierAndKeyPredicate($segment, $identifier, $keyPredicate);
$hasPredicate = !is_null($keyPredicate);
$current = null;
if ($previousKind == TargetKind::PRIMITIVE()) {
if ($identifier !== ODataConstants::URI_VALUE_SEGMENT) {
throw ODataException::resourceNotFoundError(Messages::segmentParserOnlyValueSegmentAllowedAfterPrimitivePropertySegment($identifier, $previous->getIdentifier()));
}
$this->_assertion(!$hasPredicate);
$current = SegmentDescriptor::createFrom($previous);
$current->setIdentifier(ODataConstants::URI_VALUE_SEGMENT);
$current->setTargetKind(TargetKind::PRIMITIVE_VALUE());
$current->setSingleResult(true);
} else {
if (!is_null($previous->getPrevious()) && $previous->getPrevious()->getIdentifier() === ODataConstants::URI_LINK_SEGMENT && $identifier !== ODataConstants::URI_COUNT_SEGMENT) {
throw ODataException::createBadRequestError(Messages::segmentParserNoSegmentAllowedAfterPostLinkSegment($identifier));
} else {
if ($previousKind == TargetKind::RESOURCE() && $previous->isSingleResult() && $identifier === ODataConstants::URI_LINK_SEGMENT) {
$this->_assertion(!$hasPredicate);
$current = SegmentDescriptor::createFrom($previous);
$current->setIdentifier(ODataConstants::URI_LINK_SEGMENT);
$current->setTargetKind(TargetKind::LINK());
} else {
//Do a sanity check here
if ($previousKind != TargetKind::COMPLEX_OBJECT() && $previousKind != TargetKind::RESOURCE() && $previousKind != TargetKind::LINK()) {
throw ODataException::createInternalServerError(Messages::segmentParserInconsistentTargetKindState());
}
if (!$previous->isSingleResult() && $identifier !== ODataConstants::URI_COUNT_SEGMENT) {
throw ODataException::createBadRequestError(Messages::segmentParserCannotQueryCollection($previous->getIdentifier()));
}
$current = new SegmentDescriptor();
$current->setIdentifier($identifier);
$current->setTargetSource(TargetSource::PROPERTY);
$projectedProperty = $previous->getTargetResourceType()->resolveProperty($identifier);
$current->setProjectedProperty($projectedProperty);
if ($identifier === ODataConstants::URI_COUNT_SEGMENT) {
if ($previousKind != TargetKind::RESOURCE()) {
throw ODataException::createBadRequestError(Messages::segmentParserCountCannotBeApplied($previous->getIdentifier()));
}
if ($previous->isSingleResult()) {
throw ODataException::createBadRequestError(Messages::segmentParserCountCannotFollowSingleton($previous->getIdentifier()));
}
$current->setTargetKind(TargetKind::PRIMITIVE_VALUE());
$current->setSingleResult(true);
$current->setTargetResourceSetWrapper($previous->getTargetResourceSetWrapper());
$current->setTargetResourceType($previous->getTargetResourceType());
} else {
if ($identifier === ODataConstants::URI_VALUE_SEGMENT && $previousKind == TargetKind::RESOURCE()) {
$current->setSingleResult(true);
$current->setTargetResourceType($previous->getTargetResourceType());
$current->setTargetKind(TargetKind::MEDIA_RESOURCE());
} else {
if (is_null($projectedProperty)) {
if (!is_null($previous->getTargetResourceType()) && !is_null($previous->getTargetResourceType()->tryResolveNamedStreamByName($identifier))) {
$current->setTargetKind(TargetKind::MEDIA_RESOURCE());
$current->setSingleResult(true);
$current->setTargetResourceType($previous->getTargetResourceType());
} else {
throw ODataException::createResourceNotFoundError($identifier);
}
} else {
$current->setTargetResourceType($projectedProperty->getResourceType());
$current->setSingleResult($projectedProperty->getKind() != ResourcePropertyKind::RESOURCESET_REFERENCE);
if ($previousKind == TargetKind::LINK() && $projectedProperty->getTypeKind() != ResourceTypeKind::ENTITY) {
throw ODataException::createBadRequestError(Messages::segmentParserLinkSegmentMustBeFollowedByEntitySegment($identifier));
}
switch ($projectedProperty->getKind()) {
case ResourcePropertyKind::COMPLEX_TYPE:
$current->setTargetKind(TargetKind::COMPLEX_OBJECT());
break;
case ResourcePropertyKind::BAG | ResourcePropertyKind::PRIMITIVE:
case ResourcePropertyKind::BAG | ResourcePropertyKind::COMPLEX_TYPE:
$current->setTargetKind(TargetKind::BAG());
break;
case ResourcePropertyKind::RESOURCE_REFERENCE:
case ResourcePropertyKind::RESOURCESET_REFERENCE:
$current->setTargetKind(TargetKind::RESOURCE());
$resourceSetWrapper = $this->providerWrapper->getResourceSetWrapperForNavigationProperty($previous->getTargetResourceSetWrapper(), $previous->getTargetResourceType(), $projectedProperty);
if (is_null($resourceSetWrapper)) {
throw ODataException::createResourceNotFoundError($projectedProperty->getName());
}
$current->setTargetResourceSetWrapper($resourceSetWrapper);
break;
default:
if (!$projectedProperty->isKindOf(ResourcePropertyKind::PRIMITIVE)) {
throw ODataException::createInternalServerError(Messages::segmentParserUnExpectedPropertyKind('Primitive'));
}
$current->setTargetKind(TargetKind::PRIMITIVE());
break;
}
if ($hasPredicate) {
$this->_assertion(!$current->isSingleResult());
$keyDescriptor = $this->_createKeyDescriptor($identifier . '(' . $keyPredicate . ')', $projectedProperty->getResourceType(), $keyPredicate);
$current->setKeyDescriptor($keyDescriptor);
if (!$keyDescriptor->isEmpty()) {
$current->setSingleResult(true);
}
}
if ($checkRights && !is_null($current->getTargetResourceSetWrapper())) {
$current->getTargetResourceSetWrapper()->checkResourceSetRightsForRead($current->isSingleResult());
}
}
}
}
}
}
}
return $current;
}
