161 lines
5.7 KiB
C++
161 lines
5.7 KiB
C++
// Created on: 1997-02-04
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// Created by: Yves FRICAUD
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// Copyright (c) 1997-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _TNaming_NamedShape_HeaderFile
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#define _TNaming_NamedShape_HeaderFile
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#include "Standard.hxx"
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#include "Standard_Type.hxx"
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#include "TNaming_PtrNode.hxx"
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#include "TNaming_Evolution.hxx"
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#include "Standard_Integer.hxx"
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#include "TDF_Attribute.hxx"
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#include "Standard_OStream.hxx"
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class Standard_GUID;
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class TopoDS_Shape;
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class TDF_DeltaOnModification;
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class TDF_DeltaOnRemoval;
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class TDF_RelocationTable;
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class TDF_DataSet;
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class TDF_AttributeDelta;
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class TNaming_NamedShape;
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DEFINE_STANDARD_HANDLE(TNaming_NamedShape, TDF_Attribute)
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//! The basis to define an attribute for the storage of
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//! topology and naming data.
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//! This attribute contains two parts:
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//! - The type of evolution, a term of the
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//! enumeration TNaming_Evolution
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//! - A list of pairs of shapes called the "old"
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//! shape and the "new" shape. The meaning
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//! depends on the type of evolution.
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class TNaming_NamedShape : public TDF_Attribute
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{
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public:
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//! class method
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//! ============
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//! Returns the GUID for named shapes.
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Standard_EXPORT static const Standard_GUID& GetID();
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Standard_EXPORT TNaming_NamedShape();
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Standard_EXPORT Standard_Boolean IsEmpty() const;
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//! Returns the shapes contained in <NS>. Returns a null
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//! shape if IsEmpty.
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Standard_EXPORT TopoDS_Shape Get() const;
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//! Returns the Evolution of the attribute.
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TNaming_Evolution Evolution() const;
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//! Returns the Version of the attribute.
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Standard_Integer Version() const;
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//! Set the Version of the attribute.
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void SetVersion(const Standard_Integer version);
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Standard_EXPORT void Clear();
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~TNaming_NamedShape() { Clear(); }
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//! Returns the ID of the attribute.
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const Standard_GUID& ID() const Standard_OVERRIDE;
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//! Copies the attribute contents into a new other
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//! attribute. It is used by Backup().
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Standard_EXPORT virtual Handle(TDF_Attribute) BackupCopy() const Standard_OVERRIDE;
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//! Restores the contents from <anAttribute> into this
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//! one. It is used when aborting a transaction.
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Standard_EXPORT virtual void Restore(const Handle(TDF_Attribute)& anAttribute) Standard_OVERRIDE;
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//! Makes a DeltaOnModification between <me> and
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//! <anOldAttribute.
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Standard_EXPORT virtual Handle(TDF_DeltaOnModification) DeltaOnModification(
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const Handle(TDF_Attribute)& anOldAttribute) const Standard_OVERRIDE;
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//! Applies a DeltaOnModification to <me>.
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Standard_EXPORT virtual void DeltaOnModification(const Handle(TDF_DeltaOnModification)& aDelta)
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Standard_OVERRIDE;
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//! Makes a DeltaOnRemoval on <me> because <me> has
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//! disappeared from the DS.
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Standard_EXPORT virtual Handle(TDF_DeltaOnRemoval) DeltaOnRemoval() const Standard_OVERRIDE;
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//! Returns an new empty attribute from the good end
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//! type. It is used by the copy algorithm.
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Standard_EXPORT virtual Handle(TDF_Attribute) NewEmpty() const Standard_OVERRIDE;
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//! This method is different from the "Copy" one,
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//! because it is used when copying an attribute from
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//! a source structure into a target structure. This
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//! method pastes the current attribute to the label
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//! corresponding to the insertor. The pasted
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//! attribute may be a brand new one or a new version
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//! of the previous one.
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Standard_EXPORT virtual void Paste(const Handle(TDF_Attribute)& intoAttribute,
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const Handle(TDF_RelocationTable)& aRelocTationable) const
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Standard_OVERRIDE;
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//! Adds the directly referenced attributes and labels
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//! to <aDataSet>. "Directly" means we have only to
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//! look at the first level of references.
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Standard_EXPORT virtual void References(const Handle(TDF_DataSet)& aDataSet) const
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Standard_OVERRIDE;
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Standard_EXPORT virtual void BeforeRemoval() Standard_OVERRIDE;
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//! Something to do before applying <anAttDelta>
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Standard_EXPORT virtual Standard_Boolean BeforeUndo(
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const Handle(TDF_AttributeDelta)& anAttDelta,
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const Standard_Boolean forceIt = Standard_False) Standard_OVERRIDE;
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//! Something to do after applying <anAttDelta>.
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Standard_EXPORT virtual Standard_Boolean AfterUndo(
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const Handle(TDF_AttributeDelta)& anAttDelta,
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const Standard_Boolean forceIt = Standard_False) Standard_OVERRIDE;
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//! Dumps the attribute on <aStream>.
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Standard_EXPORT virtual Standard_OStream& Dump(Standard_OStream& anOS) const Standard_OVERRIDE;
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//! Dumps the content of me into the stream
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Standard_EXPORT virtual void DumpJson(Standard_OStream& theOStream,
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Standard_Integer theDepth = -1) const Standard_OVERRIDE;
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friend class TNaming_Builder;
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friend class TNaming_Iterator;
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friend class TNaming_NewShapeIterator;
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friend class TNaming_OldShapeIterator;
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DEFINE_STANDARD_RTTIEXT(TNaming_NamedShape, TDF_Attribute)
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protected:
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private:
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//! Adds an evolution
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Standard_EXPORT void Add(TNaming_PtrNode& Evolution);
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TNaming_PtrNode myNode;
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TNaming_Evolution myEvolution;
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Standard_Integer myVersion;
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};
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#include "TNaming_NamedShape.lxx"
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#endif // _TNaming_NamedShape_HeaderFile
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