public override void WriteOffsetMap(BinaryWriter bw, DBEntry entry, List <Tuple <int, short> > OffsetMap, int record_offset = 0)
{
var minmax = entry.MinMax();
var ids = new HashSet <int>(entry.GetPrimaryKeys());
var duplicates = entry.Header.OffsetDuplicates;
int m = 0;
for (int x = minmax.Item1; x <= minmax.Item2; x++)
{
if (ids.Contains(x)) //Insert the offset map
{
var kvp = OffsetMap[m];
bw.Write(kvp.Item1 + record_offset);
bw.Write(kvp.Item2);
m++;
}
else if (duplicates.ContainsKey(x)) //Reinsert our duplicates
{
var hiddenkvp = OffsetMap[duplicates[x]];
bw.Write(hiddenkvp.Item1 + record_offset);
bw.Write(hiddenkvp.Item2);
}
else
{
bw.BaseStream.Position += sizeof(int) + sizeof(short); //0 fill
}
}
ids.Clear();
}
public override void WriteIndexTable(BinaryWriter bw, DBEntry entry)
{
int m = 0;
int[] ids;
ids = entry.GetPrimaryKeys().ToArray();
if (entry.Header.HasSecondIndex)
{
//TODO figure out if it is always the 2nd column
ushort[] secondids = entry.Data.Rows.Cast <DataRow>().Select(x => x.Field <ushort>(2)).ToArray();
//Write all of the secondary ids
foreach (ushort id in secondids)
{
//Populate missing secondary ids with 0
if (m > 0 && (ids[m] - ids[m - 1]) > 1)
{
bw.BaseStream.Position += sizeof(int) * (ids[m] - ids[m - 1] - 1);
}
bw.Write((int)id);
m++;
}
}
//Write all the IDs
bw.WriteArray(ids);
}
public override void WriteIndexTable <T>(BinaryWriter bw, DBEntry <T> entry)
{
int m = 0;
int[] ids = entry.GetPrimaryKeys().ToArray();
if (entry.Header.HasSecondIndex)
{
PropertyInfo secondId = entry.TableStructure[2];
ushort[] secondids = entry.Rows.Select(x => (ushort)secondId.GetValue(x)).ToArray();
//Write all of the secondary ids
foreach (ushort id in secondids)
{
//Populate missing secondary ids with 0
if (m > 0 && (ids[m] - ids[m - 1]) > 1)
{
bw.BaseStream.Position += sizeof(int) * (ids[m] - ids[m - 1] - 1);
}
bw.Write((int)id);
m++;
}
}
//Write all the primary IDs
bw.WriteArray(ids);
}
public override void WriteIndexTable <T>(BinaryWriter bw, DBEntry <T> entry)
{
int m = 0;
int[] ids;
PropertyInfo secondId = entry.TableStructure[2];
if (!HasOffsetTable)
{
ids = entry.GetUniqueRows().Select(x => (int)entry.PrimaryKey.GetValue(x)).ToArray();
}
else
{
ids = entry.GetPrimaryKeys().ToArray();
}
if (entry.Header.HasSecondIndex)
{
//TODO figure out if it is always the 2nd column
ushort[] secondids = entry.Rows.Select(x => (ushort)secondId.GetValue(x)).ToArray();
//Write all of the secondary ids
foreach (ushort id in secondids)
{
//Populate missing secondary ids with 0
if (m > 0 && (ids[m] - ids[m - 1]) > 1)
{
bw.BaseStream.Position += sizeof(int) * (ids[m] - ids[m - 1] - 1);
}
bw.Write((int)id);
m++;
}
}
//Write all the IDs
bw.WriteArray(ids);
}
public override void WriteOffsetMap <T>(BinaryWriter bw, DBEntry <T> entry, List <Tuple <int, short> > OffsetMap)
{
bw.Scrub(OffsetMapOffset); //Scrub to after header
//Write the offset map
var ids = entry.GetPrimaryKeys().ToList();
for (int x = 0; x < ids.Count(); x++)
{
var kvp = OffsetMap[x];
bw.Write(ids[x]);
bw.Write(kvp.Item1);
bw.Write(kvp.Item2);
}
ids.Clear();
//Clear string table size
long pos = bw.BaseStream.Position;
bw.Scrub(entry.Header.StringTableOffset);
bw.Write(0);
bw.Scrub(pos);
}
public override void WriteHeader <T>(BinaryWriter bw, DBEntry <T> entry)
{
Tuple <int, int> minmax = entry.MinMax();
bw.BaseStream.Position = 0;
base.WriteHeader(bw, entry);
bw.Write(TableHash);
bw.Write(LayoutHash);
bw.Write(Build);
bw.Write(TimeStamp);
bw.Write(minmax.Item1); //MinId
bw.Write(minmax.Item2); //MaxId
bw.Write(Locale);
//WCH5 has the offsetmap BEFORE the data, create placeholder data
if (HasOffsetTable)
{
OffsetMapOffset = (int)bw.BaseStream.Position;
bw.BaseStream.Position += entry.GetPrimaryKeys().Count() * (sizeof(int) + sizeof(int) + sizeof(short));
}
}
