-- Created by: DAUTRY Philippe
-- Copyright (c) 1997-1999 Matra Datavision
-- Copyright (c) 1999-2012 OPEN CASCADE SAS
--
-- The content of this file is subject to the Open CASCADE Technology Public
-- License Version 6.5 (the "License"). You may not use the content of this file
-- except in compliance with the License. Please obtain a copy of the License
-- at http://www.opencascade.org and read it completely before using this file.
--
-- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
-- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
--
-- The Original Code and all software distributed under the License is
-- distributed on an "AS IS" basis, without warranty of any kind, and the
-- Initial Developer hereby disclaims all such warranties, including without
-- limitation, any warranties of merchantability, fitness for a particular
-- purpose or non-infringement. Please see the License for the specific terms
-- and conditions governing the rights and limitations under the License.

--      	---------------

---Version:	0.0
--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;