public void GenerateColumns(SHNReader reader)
{
int unkcolumns = 0;
int Length = 2;
for (int i = 0; i < ColumnCount; ++i)
{
SHNColumn col = new SHNColumn();
col.Load(reader, ref unkcolumns);
Length += col.Length;
base.Columns.Add(col);
}
if (Length != DefaultRecordLength)
{
throw new Exception("Default record Length does not fit.");
}
}
public void Load(SHNReader reader, ref int unkcount)
{
string caption = reader.ReadPaddedString(48);
if (caption.Trim().Length < 2)
{
base.ColumnName = "Undefined " + unkcount.ToString();
++unkcount;
}
else
{
base.ColumnName = caption;
}
this.TypeByte = (byte)reader.ReadUInt32();
this.DataType = GetType(this.TypeByte);
this.Length = reader.ReadInt32();
}
public void GenerateRows(SHNReader reader)
{
object[] values = new object[this.ColumnCount];
for (uint i = 0; i < RecordCount; ++i)
{
uint RowLength = reader.ReadUInt16();
for (int j = 0; j < this.ColumnCount; ++j)
{
switch (((SHNColumn)this.Columns[j]).TypeByte)
{
case 1:
case 12:
case 16:
values[j] = reader.ReadByte();
break;
case 2:
values[j] = reader.ReadUInt16();
break;
case 3:
case 11:
case 18:
case 27:
values[j] = reader.ReadUInt32();
break;
case 5:
values[j] = reader.ReadSingle();
break;
case 9:
case 24:
values[j] = reader.ReadPaddedString(((SHNColumn)this.Columns[j]).Length);
break;
case 13:
case 21:
values[j] = reader.ReadInt16();
break;
case 20:
values[j] = reader.ReadSByte();
break;
case 22:
values[j] = reader.ReadInt32();
break;
case 26: // TODO: Should be read until first null byte, to support more than 1 this kind of column
values[j] = reader.ReadPaddedString((int)(RowLength - DefaultRecordLength + 1));
break;
default:
throw new Exception("New column type found");
}
}
base.Rows.Add(values);
}
}
public void Load()
{
if (!File.Exists(FileName))
{
throw new FileNotFoundException(string.Format("Could not find SHN File {0}.", FileName));
}
byte[] data;
using (var file = File.Open(FileName, FileMode.Open, FileAccess.Read, FileShare.Read))
{
BinaryReader reader = new BinaryReader(file);
CryptHeader = reader.ReadBytes(32);
int Length = reader.ReadInt32() - 36; //minus int + header
data = reader.ReadBytes(Length);
FileCrypto.Crypt(data, 0, Length);
//File.WriteAllBytes("Output.dat", data); //debug purpose
}
using (var stream = new MemoryStream(data))
{
SHNReader reader = new SHNReader(stream);
this.Header = reader.ReadUInt32();
this.RecordCount = reader.ReadUInt32();
this.DefaultRecordLength = reader.ReadUInt32();
this.ColumnCount = reader.ReadUInt32();
GenerateColumns(reader);
GenerateRows(reader);
}
data = null;
}
