-- File:	TopOpeBRepTool_connexity.cdl
-- Created:	Wed Dec  9 14:19:52 1998
-- Author:	Xuan PHAM PHU
--		<xpu@poulopox.paris1.matra-dtv.fr>
---Copyright:	 Matra Datavision 1998

class connexity from TopOpeBRepTool

uses 
    Shape from TopoDS,
    ListOfShape from TopTools,
    Array1OfListOfShape from TopTools
is
    Create returns connexity from TopOpeBRepTool;
    Create (Key : Shape from TopoDS) returns connexity from TopOpeBRepTool;
    SetKey (me : in out; Key : Shape from TopoDS);	        	
    Key (me) returns Shape from TopoDS;
    ---C++: return const &
    
    Item(me; OriKey : Integer; Item : out ListOfShape from TopTools) 
    returns Integer;
    -- if <theKey> is oriented <OriKey> in all shapes of <Item>, returns
    -- the <Item>'s length.
    
    AllItems(me; Item : out ListOfShape from TopTools)
    returns Integer;
    -- returns all items attached to <theKey>
    
    AddItem(me : in out; OriKey : Integer; Item : ListOfShape from TopTools);
    AddItem(me : in out; OriKey : Integer; Item : Shape from TopoDS);
    RemoveItem(me : in out; OriKey : Integer; Item : Shape from TopoDS)
    returns Boolean;
    -- returns true if <Item> is stored in the list.
    RemoveItem(me : in out; Item : Shape from TopoDS)
    returns Boolean;
    
    ChangeItem(me : in out; OriKey : Integer)
    returns ListOfShape from TopTools;
    ---C++: return & 
   
    IsMultiple(me)
    returns Boolean;
    -- returns true if <theKey> is multiple.   

    IsFaulty(me)
    returns Boolean;

    IsInternal(me; Item : out ListOfShape from TopTools)
    returns Integer;
    -- <theKey> is INTERNAL in shapes of <Item> oriented FORWARD.
    
fields
    theKey : Shape from TopoDS;
    theItems : Array1OfListOfShape from TopTools; 
	-- <theKey> is FORWARD in shapes of theItems(1)  
	-- <theKey> is REVERSED in shapes of theItems(2)  
	-- <theKey> is INTERNAL in shapes of theItems(3)  
	-- <theKey> is EXTERNAL in shapes of theItems(4) 
	-- <theKey> appears FORWARD and REVERSED in shapes of theItems(5)  
end connexity;