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-- File: TDF_DataSet.cdl
-- ---------------
-- Author: DAUTRY Philippe
-- <fid@fox.paris1.matra-dtv.fr>
---Copyright: MATRA DATAVISION 1997
---Version: 0.0
---History: Version Date Purpose
-- 0.0 Mar 11 1997 Creation
class DataSet from TDF
inherits TShared from MMgt
---Purpose: This class is a set of TDF informations like
-- labels and attributes.
uses
OStream from Standard,
Label from TDF,
Attribute from TDF,
LabelList from TDF,
LabelMap from TDF,
AttributeMap from TDF
-- raises
is
Create
returns mutable DataSet from TDF;
---Purpose: Creates an empty DataSet object.
Clear(me : mutable);
---Purpose: Clears all information.
IsEmpty(me) returns Boolean from Standard;
---Purpose: Returns true if there is at least one label or one
-- attribute.
---C++: inline
-- Label set informations
AddLabel(me : mutable;
aLabel : Label from TDF);
---Purpose: Adds <aLabel> in the current data set.
---C++: inline
ContainsLabel(me; aLabel : Label from TDF)
returns Boolean from Standard;
---Purpose: Returns true if the label <alabel> is in the data set.
---C++: inline
Labels(me : mutable)
returns LabelMap from TDF;
---Purpose: Returns the map of labels in this data set.
-- This map can be used directly, or updated.
--
---C++: inline
---C++: return &
-- Attribute set informations
AddAttribute(me : mutable;
anAttribute : Attribute from TDF);
---Purpose: Adds <anAttribute> into the current data set.
---C++: inline
ContainsAttribute(me; anAttribute : Attribute from TDF)
returns Boolean from Standard;
---Purpose: Returns true if <anAttribute> is in the data set.
---C++: inline
Attributes(me : mutable)
returns AttributeMap from TDF;
---Purpose: Returns the map of attributes in the current data set.
-- This map can be used directly, or updated.
--
---C++: inline
---C++: return &
-- Root informations
AddRoot(me : mutable; aLabel : Label from TDF);
---Purpose: Adds a root label to <myRootLabels>.
--
---C++: inline
Roots(me : mutable)
returns LabelList from TDF;
---Purpose: Returns <myRootLabels> to be used or updated.
--
---C++: inline
---C++: return &
-- Miscellaneous
Dump(me; anOS : in out OStream from Standard)
returns OStream from Standard;
---Purpose: Dumps the minimum information about <me> on
-- <aStream>.
--
---C++: return &
---C++: alias operator<<
fields
myRootLabels : LabelList from TDF;
myLabelMap : LabelMap from TDF;
myAttributeMap : AttributeMap from TDF;
end DataSet;
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