public CitiesIndex(byte[] dataBase, uint index)
{
ItemIndex = index;
var offset = new GeoBaseHeader(dataBase).OffsetCities;
var startIndex = (int)(offset + (CITIES_ROW_SIZE)*index);
if (dataBase.Length < startIndex + CITIES_ROW_SIZE)
{
throw new InvalidOperationException("Can't read Cities index Row. Not enough data in DataBase.");
}
LocationInfoIndex = BitConverter.ToUInt32(dataBase, startIndex);
Location = LocationInfo.FromAbsolutePostition(dataBase, LocationInfoIndex);
}
public IPRange(byte[] dataBase, int index)
{
var offset = new GeoBaseHeader(dataBase).OffsetRanges;
var startIndex = (int)(offset + (RANGE_ROW_SIZE)*index);
if (dataBase.Length < startIndex + RANGE_ROW_SIZE)
{
throw new InvalidOperationException("Can't read Ip Range Row. Not enough data in DataBase.");
}
IpFromStartIndex = startIndex;
IpFrom = BitConverter.ToUInt32(dataBase, IpFromStartIndex);
IpToStartIndex = startIndex + 4;
IpTo = BitConverter.ToUInt32(dataBase, IpToStartIndex);
var locationIndexStartIndex = IpToStartIndex + 4;
LocationIndex = BitConverter.ToInt32(dataBase, locationIndexStartIndex);
}