public void Load()
{
if (!File.Exists(FileName))
{
throw new FileNotFoundException($"Could not find SHN File {FileName}.");
}
byte[] data;
using (var file = File.Open(FileName, FileMode.Open, FileAccess.Read, FileShare.Read))
{
var reader = new BinaryReader(file);
CryptHeader = reader.ReadBytes(32);
var 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))
{
var reader = new SHNReader(stream);
Header = reader.ReadUInt32();
RecordCount = reader.ReadUInt32();
DefaultRecordLength = reader.ReadUInt32();
ColumnCount = reader.ReadUInt32();
GenerateColumns(reader);
GenerateRows(reader);
}
data = null;
}
public void Load(SHNReader reader, ref int unkcount)
{
var caption = reader.ReadPaddedString(48);
if (caption.Trim().Length < 2)
{
ColumnName = "Undefined " + unkcount;
++unkcount;
}
else
{
ColumnName = caption;
}
TypeByte = (byte)reader.ReadUInt32();
DataType = GetType(TypeByte);
Length = reader.ReadInt32();
}
public void GenerateRows(SHNReader reader)
{
var values = new object[ColumnCount];
for (uint i = 0; i < RecordCount; ++i)
{
uint RowLength = reader.ReadUInt16();
for (var j = 0; j < ColumnCount; ++j)
{
switch (((ShnColumn)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)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");
}
}
Rows.Add(values);
}
}
