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123 lines
3.7 KiB
Plaintext
Executable File
123 lines
3.7 KiB
Plaintext
Executable File
-- Created by: DAUTRY Philippe
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-- Copyright (c) 1997-1999 Matra Datavision
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-- Copyright (c) 1999-2012 OPEN CASCADE SAS
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--
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-- The content of this file is subject to the Open CASCADE Technology Public
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-- License Version 6.5 (the "License"). You may not use the content of this file
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-- except in compliance with the License. Please obtain a copy of the License
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-- at http://www.opencascade.org and read it completely before using this file.
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--
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-- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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-- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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--
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-- The Original Code and all software distributed under the License is
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-- distributed on an "AS IS" basis, without warranty of any kind, and the
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-- Initial Developer hereby disclaims all such warranties, including without
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-- limitation, any warranties of merchantability, fitness for a particular
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-- purpose or non-infringement. Please see the License for the specific terms
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-- and conditions governing the rights and limitations under the License.
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-- -------------
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---Version: 0.0
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--Version Date Purpose
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-- 0.0 Sep 8 1997 Creation
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class Delta from TDF inherits TShared from MMgt
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---Purpose: A delta set is available at <aSourceTime>. If
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-- applied, it restores the TDF_Data in the state it
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-- was at <aTargetTime>.
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uses
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OStream from Standard,
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ExtendedString from TCollection,
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LabelList from TDF,
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AttributeDelta from TDF,
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AttributeDeltaList from TDF
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raises
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OutOfRange from Standard
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is
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Create;
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---Purpose: Creates a delta.
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Validity(me : mutable;
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aBeginTime : Integer from Standard;
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anEndTime : Integer from Standard)
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is protected;
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---Purpose: Validates <me> at <aBeginTime>. If applied, it
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-- restores the TDF_Data in the state it was at
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-- <anEndTime>. Reserved to TDF_Data.
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AddAttributeDelta (me : mutable;
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anAttributeDelta : AttributeDelta from TDF)
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is protected;
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---Purpose: Adds an AttributeDelta to the list. Reserved to
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-- TDF_Data.
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IsEmpty (me) returns Boolean from Standard;
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---Purpose: Returns true if there is nothing to undo.
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--
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---C++: inline
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BeforeOrAfterApply(me; before : Boolean from Standard) is private;
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Apply (me : mutable) is private;
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IsApplicable (me; aCurrentTime : Integer from Standard)
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returns Boolean from Standard;
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---Purpose: Returns true if the Undo action of <me> is
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-- applicable at <aCurrentTime>.
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--
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---C++: inline
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BeginTime (me) returns Integer;
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---Purpose: Returns the field <myBeginTime>.
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---C++: inline
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EndTime (me) returns Integer;
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---Purpose: Returns the field <myEndTime>.
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---C++: inline
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Labels(me; aLabelList : in out LabelList from TDF);
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---Purpose: Adds in <aLabelList> the labels of the attribute deltas.
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-- Caution: <aLabelList> is not cleared before use.
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AttributeDeltas (me) returns AttributeDeltaList from TDF;
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---Purpose: Returns the field <myAttDeltaList>.
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---C++: inline
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---C++: return const &
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Name(me) returns ExtendedString from TCollection;
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---Purpose: Returns a name associated with this delta.
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---C++: inline
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SetName(me : mutable; theName : ExtendedString from TCollection);
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---Purpose: Associates a name <theName> with this delta
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---C++: inline
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Dump(me; OS : in out OStream from Standard);
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fields
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myBeginTime : Integer from Standard;
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myEndTime : Integer from Standard;
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myAttDeltaList : AttributeDeltaList from TDF;
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myName : ExtendedString from TCollection;
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friends
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class Data from TDF
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end Delta;
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