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-- File: TDataStd_Current.cdl
-- Created: Mon Aug 2 09:49:50 1999
-- Author: Denis PASCAL
-- <dp@dingox.paris1.matra-dtv.fr>
---Copyright: Matra Datavision 1999
class Current from TDataStd inherits Attribute from TDF
---Purpose: this attribute, located at root label, manage an
-- access to a current label.
uses Attribute from TDF,
Label from TDF,
GUID from Standard,
DataSet from TDF,
RelocationTable from TDF
is
---Purpose: class methods
-- =============
GetID (myclass)
---C++: return const &
returns GUID from Standard;
Set (myclass; L : Label from TDF);
---Purpose: Set <L> as current of <L> Framework.
Get (myclass; acces : Label from TDF)
---Purpose: returns current of <acces> Framework. raise if (!Has)
returns Label from TDF;
Has (myclass; acces : Label from TDF)
---Purpose: returns True if a current label is managed in <acces>
-- Framework.
returns Boolean from Standard;
---Purpose: class methods
-- =============
Create
returns mutable Current from TDataStd;
SetLabel (me : mutable; current : Label from TDF);
GetLabel (me)
returns Label from TDF;
---Category: TDF_Attribute methods
-- =====================
ID (me)
---C++: return const &
returns GUID from Standard;
Restore (me: mutable; With : Attribute from TDF);
NewEmpty (me)
returns mutable Attribute from TDF;
Paste (me; Into : mutable Attribute from TDF;
RT : mutable RelocationTable from TDF);
Dump(me; anOS : in out OStream from Standard)
returns OStream from Standard
is redefined;
---C++: return &
fields
myLabel : Label from TDF;
end Current;
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