public DRBDatabase()
{
this.dbFile = new FileInfo("database.mem");
/* Since we're going to need access to this data often, lets load it into a MemoryStream.
* With it being about 2.5MB it's fairly cheap.
*/
this.dbReader = new SimpleBinaryReader(new FileStream("database.mem", FileMode.Open));
/* StarSCAN's database.mem has a different endianness;
* This detects and accounts for that as needed.
*/
this.isStarScanDB = this.checkStarScan();
this.makeTables();
}
void ReadTableAttributes(SimpleBinaryReader reader, ref int readOffset, out uint tableOffset, out ushort rowCount, out ushort rowSize, out List <byte> colSizes)
{
tableOffset = dbReader.ReadUInt32(ref readOffset);
rowCount = dbReader.ReadUInt16(ref readOffset);
rowSize = dbReader.ReadUInt16(ref readOffset);
/* While technically the 'stated' code alone was correct, it had an issue:
* there are some columns with a size of 0! This is a waste.
* As such, empty columns are now removed and field IDs adjusted for that. */
byte statedColCount = dbReader.ReadUInt8(ref readOffset);
byte[] statedColSizes = dbReader.ReadBytes(ref readOffset, statedColCount);
/* There's actually room reserved for 27 bytes after the statedColCount,
* so it is necessary to read past whatever bytes that go unread. */
readOffset += 27 - statedColCount;
colSizes = statedColSizes.Where(size => size != 0).ToList();
}
