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-- File: TNaming_Iterator.cdl
-- Created: Mon Dec 16 17:20:34 1996
-- Author: Remi Lequette
-- <yfr@claquox.paris1.matra-dtv.fr>
---Copyright: Matra Datavision 1996
class Iterator from TNaming
---Purpose: A tool to visit the contents of a named shape attribute.
-- Pairs of shapes in the attribute are iterated, one
-- being the pre-modification or the old shape, and
-- the other the post-modification or the new shape.
-- This allows you to have a full access to all
-- contents of an attribute. If, on the other hand, you
-- are only interested in topological entities stored
-- in the attribute, you can use the functions
-- GetShape and CurrentShape in TNaming_Tool.
uses
Label from TDF,
Evolution from TNaming,
NamedShape from TNaming,
PtrNode from TNaming,
Shape from TopoDS
raises
NoMoreObject from Standard,
NoSuchObject from Standard
is
Create( anAtt : NamedShape from TNaming) returns Iterator from TNaming;
---Purpose: Iterates on all the history records in
-- <anAtt>.
Create( aLabel : Label from TDF) returns Iterator from TNaming;
---Purpose: Iterates on all the history records in
-- the current transaction
Create( aLabel : Label from TDF; aTrans : Integer from Standard)
returns Iterator from TNaming;
---Purpose: Iterates on all the history records in
-- the transaction <aTrans>
More(me) returns Boolean;
---C++: inline
---Purpose: Returns True if there is a current Item in
-- the iteration.
Next(me : in out)
---Purpose: Moves the iteration to the next Item
raises
NoMoreObject from Standard;
OldShape(me) returns Shape from TopoDS
---Purpose: Returns the old shape in this iterator object.
-- This shape can be a null one.
---C++: return const&
raises
NoSuchObject from Standard;
NewShape(me) returns Shape from TopoDS
---Purpose: Returns the new shape in this iterator object.
---C++: return const&
raises
NoSuchObject from Standard;
IsModification(me) returns Boolean;
---Purpose: Returns true if the new shape is a modification (split,
-- fuse,etc...) of the old shape.
--
Evolution(me) returns Evolution from TNaming;
fields
myNode : PtrNode from TNaming;
myTrans : Integer from Standard; -- is < 0 means in Current Transaction.
friends
class NewShapeIterator from TNaming,
class OldShapeIterator from TNaming
end Iterator;
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