bool LocationIndex::VisitLocationAddressEntries(FileScanner& scanner,
const AdminRegion& region,
const Location& location,
AddressVisitor& visitor,
bool& stopped) const
{
uint32_t addressCount;
if (!scanner.SetPos(location.addressesOffset)) {
return false;
}
if (!scanner.ReadNumber(addressCount)) {
return false;
}
ObjectFileRefStreamReader objectFileRefReader(scanner);
for (size_t i=0; i<addressCount; i++) {
Address address;
if (!scanner.GetPos(address.addressOffset)) {
return false;
}
address.locationOffset=location.locationOffset;
address.regionOffset=location.regionOffset;
if (!scanner.Read(address.name)) {
return false;
}
if (!objectFileRefReader.Read(address.object)) {
return false;
}
if (!visitor.Visit(region,
location,
address)) {
stopped=true;
break;
}
}
return !scanner.HasError();
}
bool Intersection::Read(FileScanner& scanner)
{
try {
scanner.ReadNumber(nodeId);
uint32_t objectCount;
scanner.ReadNumber(objectCount);
objects.resize(objectCount);
ObjectFileRefStreamReader objectFileRefReader(scanner);
for (size_t i=0; i<objectCount; i++) {
objectFileRefReader.Read(objects[i]);
}
}
catch (IOException& e) {
log.Error() << e.GetDescription();
return false;
}
return true;
}
bool LocationIndex::LoadRegionDataEntry(FileScanner& scanner,
const AdminRegion& adminRegion,
LocationVisitor& visitor,
bool& stopped) const
{
uint32_t poiCount;
uint32_t locationCount;
if (!scanner.ReadNumber(poiCount)) {
return false;
}
ObjectFileRefStreamReader objectFileRefReader(scanner);
for (size_t i=0; i<poiCount; i++) {
POI poi;
poi.regionOffset=adminRegion.regionOffset;
if (!scanner.Read(poi.name)) {
return false;
}
if (!objectFileRefReader.Read(poi.object)) {
return false;
}
if (!visitor.Visit(adminRegion,
poi)) {
stopped=true;
return true;
}
}
if (!scanner.ReadNumber(locationCount)) {
return false;
}
for (size_t i=0; i<locationCount; i++) {
Location location;
uint32_t objectCount;
if (!scanner.GetPos(location.locationOffset)) {
return false;
}
if (!scanner.Read(location.name)) {
return false;
}
location.regionOffset=adminRegion.regionOffset;
if (!scanner.ReadNumber(objectCount)) {
return false;
}
location.objects.reserve(objectCount);
bool hasAddresses;
if (!scanner.Read(hasAddresses)) {
return false;
}
if (hasAddresses) {
if (!scanner.ReadFileOffset(location.addressesOffset)) {
return false;
}
}
else {
location.addressesOffset=0;
}
objectFileRefReader.Reset();
for (size_t j=0; j<objectCount; j++) {
ObjectFileRef ref;
if (!objectFileRefReader.Read(ref)) {
return false;
}
location.objects.push_back(ref);
}
if (!visitor.Visit(adminRegion,
location)) {
stopped=true;
return true;
}
}
return !scanner.HasError();
}
