1 -- Created on: 1997-04-02
2 -- Created by: Administrateur Atelier XSTEP
3 -- Copyright (c) 1997-1999 Matra Datavision
4 -- Copyright (c) 1999-2012 OPEN CASCADE SAS
6 -- The content of this file is subject to the Open CASCADE Technology Public
7 -- License Version 6.5 (the "License"). You may not use the content of this file
8 -- except in compliance with the License. Please obtain a copy of the License
9 -- at http://www.opencascade.org and read it completely before using this file.
11 -- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
12 -- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
14 -- The Original Code and all software distributed under the License is
15 -- distributed on an "AS IS" basis, without warranty of any kind, and the
16 -- Initial Developer hereby disclaims all such warranties, including without
17 -- limitation, any warranties of merchantability, fitness for a particular
18 -- purpose or non-infringement. Please see the License for the specific terms
19 -- and conditions governing the rights and limitations under the License.
23 deferred class EDescr from StepData inherits TShared
25 ---Purpose : This class is intended to describe the authorized form for an
26 -- entity, either Simple or Plex
29 Described from StepData
33 Matches (me; steptype : CString) returns Boolean is deferred;
34 ---Purpose : Tells if a ESDescr matches a step type : exact or super type
36 IsComplex (me) returns Boolean is deferred;
37 ---Purpose : Tells if a EDescr is complex (ECDescr) or simple (ESDescr)
39 NewEntity (me) returns mutable Described is deferred;
40 ---Purpose : Creates a described entity (i.e. a simple one)