Arch: Allow the IFC export recycler to work with other templates

The IFC export recycler always assumes to be used from the Arch builtin
IFC exporter from exportIFC.py. This change allows it to be used with
other templates/input files as well

src/Mod/Arch/exportIFCHelper.py

@@ -203,17 +203,21 @@ class recycler:
     # but it checks if a similar entity already exists before creating a new one
     # to compress a new type, just add the necessary method here
 
-    def __init__(self,ifcfile):
+    def __init__(self,ifcfile,template=True):
 
         self.ifcfile = ifcfile
         self.compress = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Arch").GetBool("ifcCompress",True)
         self.mergeProfiles = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Arch").GetBool("ifcMergeProfiles",False)
-        self.cartesianpoints = {(0,0,0):self.ifcfile[8]} # from template
-        self.directions = {(1,0,0):self.ifcfile[6],(0,0,1):self.ifcfile[7],(0,1,0):self.ifcfile[10]} # from template
+        self.cartesianpoints = {}
+        self.directions = {}
+        self.axis2placement3ds = {}
+        if template: # we are using the default template from exportIFC.py
+            self.cartesianpoints = {(0,0,0):self.ifcfile[8]} # from template
+            self.directions = {(1,0,0):self.ifcfile[6],(0,0,1):self.ifcfile[7],(0,1,0):self.ifcfile[10]} # from template
+            self.axis2placement3ds = {'(0.0, 0.0, 0.0)(0.0, 0.0, 1.0)(1.0, 0.0, 0.0)':self.ifcfile[9]} # from template
         self.polylines = {}
         self.polyloops = {}
         self.propertysinglevalues = {}
-        self.axis2placement3ds = {'(0.0, 0.0, 0.0)(0.0, 0.0, 1.0)(1.0, 0.0, 0.0)':self.ifcfile[9]} # from template
         self.axis2placement2ds = {}
         self.localplacements = {}
         self.rgbs = {}