public void Dispose()
{
this.hole = null;
this.index = null;
this.reserved_00 = null;
this.reserved_02 = null;
this.id = null;
}
public void UseIndexData(HeaderIndex hi)
{
if (hi.Parent == pkg.Header && Package != null)
{
hi.UseInParent();
((HeaderData)hi.Parent).LockIndexDuringLoad = true;
Package.Reload();
((HeaderData)hi.Parent).LockIndexDuringLoad = false;
}
}
/// <summary>
/// Constructor for the class
/// </summary>
internal HeaderData()
{
lidl = false;
index = new HeaderIndex(this);
hole = new HeaderHole();
id = new char[4];
reserved_00 = new Int32[3];
reserved_02 = new Int32[8];
id[0] = 'D';
id[1] = 'B';
id[2] = 'P';
id[3] = 'F';
majorversion = 1;
minorversion = 1;
index.Type = 7;
indextype = Data.MetaData.IndexTypes.ptLongFileIndex;
}
/// <summary>
/// Returns the Offset of the ResourceIndex in the current package
/// </summary>
/// <returns></returns>
public HeaderIndex FindIndexOffset()
{
HeaderIndex hi = new HeaderIndex(pkg.Header);
if (pkg is File)
{
((File)pkg).ReloadReader();
}
BinaryReader br = pkg.Reader;
int step = 0x18;
if (pkg.Header.IndexType == SimPe.Data.MetaData.IndexTypes.ptShortFileIndex)
{
step = 0x14;
}
long pos = br.BaseStream.Length - (4 * step + 1);
long lastitem = -1;
long firstitem = -1;
SimPe.WaitingScreen.Wait();
try
{
while (pos > 0x04)
{
WaitingScreen.UpdateMessage("0x" + Helper.HexString(pos) + " / 0x" + Helper.HexString(br.BaseStream.Length));
bool hit = CouldBeIndexItem(br, pos, step, lastitem == -1);
if (hit && lastitem == -1)
{
lastitem = br.BaseStream.Position;
}
if (!hit && lastitem != -1)
{
firstitem = pos + step;
break;
}
if (lastitem == -1)
{
pos--;
}
else
{
pos -= step;
}
}
}
finally
{
WaitingScreen.Stop();
}
hi.offset = (uint)firstitem;
hi.size = (int)(lastitem - firstitem);
hi.count = hi.size / step;
if (firstitem == -1)
{
hi = pkg.Header.Index as HeaderIndex;
}
return(hi);
}
