private void RetrieveObjects(int ifcModel, string objectDisplayName)
{
int ifcObjectInstances = IfcEngine.x86.sdaiGetEntityExtentBN(ifcModel, objectDisplayName),
noIfcObjectIntances = IfcEngine.x86.sdaiGetMemberCount(ifcObjectInstances);
if (noIfcObjectIntances != 0)
{
IFCItem NewItem = null;
if (_rootIfcItem == null)
{
_rootIfcItem = new IFCItem();
_rootIfcItem.CreateItem(null, 0, "", objectDisplayName, "", "");
NewItem = _rootIfcItem;
}
else
{
IFCItem LastItem = _rootIfcItem;
while (LastItem != null)
{
if (LastItem.next == null)
{
LastItem.next = new IFCItem();
LastItem.next.CreateItem(null, 0, "", objectDisplayName, "", "");
NewItem = LastItem.next;
break;
}
else
{
LastItem = LastItem.next;
}
}
;
}
for (int i = 0; i < noIfcObjectIntances; ++i)
{
NormalEntityProcessing(objectDisplayName, ifcObjectInstances, i, NewItem);
}
}
}
private static void NormalEntityProcessing(string objectDisplayName, int ifcObjectInstances, int i,
IFCItem NewItem)
{
int ifcObjectIns = 0;
IfcEngine.x86.engiGetAggrElement(ifcObjectInstances, i, IfcEngine.x86.sdaiINSTANCE, out ifcObjectIns);
IntPtr value = IntPtr.Zero;
IfcEngine.x86.sdaiGetAttrBN(ifcObjectIns, "GlobalId", IfcEngine.x86.sdaiSTRING, out value);
string globalID = Marshal.PtrToStringAnsi((IntPtr)value);
if (string.CompareOrdinal(objectDisplayName, "IfcSIUnit") == 0)
{
value = IntPtr.Zero;
IfcEngine.x86.sdaiGetAttrBN(ifcObjectIns, "Prefix", IfcEngine.x86.sdaiSTRING, out value);
string milInicator = Marshal.PtrToStringAnsi((IntPtr)value);
if (string.CompareOrdinal(milInicator, ".MILLI.") == 0)
{
modelInMilimeters = true;
}
return;
}
value = IntPtr.Zero;
IfcEngine.x86.sdaiGetAttrBN(ifcObjectIns, "Name", IfcEngine.x86.sdaiSTRING, out value);
string name = Marshal.PtrToStringAnsi((IntPtr)value);
value = IntPtr.Zero;
IfcEngine.x86.sdaiGetAttrBN(ifcObjectIns, "Description", IfcEngine.x86.sdaiSTRING, out value);
string description = Marshal.PtrToStringAnsi((IntPtr)value);
IFCItem subItem = new IFCItem();
subItem.CreateItem(NewItem, ifcObjectIns, objectDisplayName, globalID, name, description);
}
