// -------------------------------------------------------------------------- void Property::load(const FileGroupPtr &db, const BitArray &objMask) { // Open the chunk specified by "P$" + mChunkName FilePtr fprop; string pchn = "P$" + mChunkName; try { fprop = db->getFile(pchn); const DarkDBChunkHeader &hdr = db->getFileHeader(pchn); // compare the versions, log differences if (hdr.version_high != mVerMaj || hdr.version_low != mVerMin) { LOG_ERROR("Property %s version mismatch : %d.%d expected, %d.%d " "encountered", pchn.c_str(), mVerMaj, mVerMin, hdr.version_high, hdr.version_low); } } catch (const BasicException &) { LOG_ERROR("Property::load : Could not find the property chunk %s", pchn.c_str()); return; } // Can't calculate the count of the properties, as they can have any size // load. Each record has: OID, size (32 bit uint's) int id = 0xDEADBABE; while (!fprop->eof()) { // load the id fprop->readElem(&id, sizeof(uint32_t)); // if the object is not in the mask, skip the property if (!objMask[id]) { LOG_DEBUG("Property::load: skipping object %d, not in bitmap", id); // prop has length and data - so skip according to that uint32_t size; fprop->read(&size, sizeof(uint32_t)); fprop->seek(size, File::FSEEK_CUR); continue; } // Use property storage to load the property if (mPropertyStorage->readFromFile(fprop, id, true)) { _addProperty(id); } else { LOG_ERROR("There was an error loading property %s for object %d. " "Property was not loaded", mName.c_str(), id); } } }
// -------------------------------------------------------------------------- bool StructuredDataStorage::readFromFile(FilePtr& file, int objID, bool sizeStored) { DTypePtr pd = getDataForObject(objID); if (pd.isNull()) { uint32_t size; // Read the size if (sizeStored) file->readElem(&size, sizeof(uint32_t)); else size = mTypeDef->size(); // compare sizes if (size != mTypeDef->size()) LOG_ERROR("Data size mismatch: %d definition, %d file source", mTypeDef->size(), size); // create a new data pd = _create(objID); pd->read(file, size); mDataMap.insert(std::make_pair(objID, pd)); return true; } else { // still have to at least skip the data uint32_t size; // Read the size file->readElem(&size, sizeof(uint32_t)); file->seek(size, File::FSEEK_CUR); LOG_ERROR("Data already defined for object %d", objID); } return false; }