-- File:	StepData_DescrReadWrite.cdl
-- Created:	Wed May 21 15:26:13 1997
-- Author:	Christian CAILLET
--		<cky@heliox.paris1.matra-dtv.fr>
---Copyright:	 Matra Datavision 1997


class DescrReadWrite  from StepData    inherits ReadWriteModule  from StepData

uses Transient,
     SequenceOfAsciiString    from TColStd,
     AsciiString              from TCollection,
     Check                    from Interface,
     StepReaderData           from StepData,
     StepWriter               from StepData,
     Protocol                 from StepData

is

    Create (proto : Protocol from StepData) returns DescrReadWrite from StepData;

    CaseStep (me; atype : AsciiString from TCollection) returns Integer;

    CaseStep(me; types : SequenceOfAsciiString from TColStd) returns Integer
    	is redefined;

    IsComplex (me; CN : Integer) returns Boolean is redefined;

    StepType (me; CN : Integer) returns AsciiString from TCollection;
    ---C++ : return const &

    ComplexType (me; CN : Integer;
            	 types : in out SequenceOfAsciiString from TColStd)
        returns Boolean  is redefined;

    ReadStep (me; CN : Integer; data : StepReaderData; num : Integer;
               ach : in out Check; ent : mutable Transient);

    WriteStep (me; CN : Integer; SW : in out StepWriter; ent : Transient);

fields

    theproto : Protocol from StepData;

end DescrReadWrite;