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107 lines
2.8 KiB
C++
107 lines
2.8 KiB
C++
// Created on: 1997-12-16
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// Created by: Denis PASCAL
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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 _TDataStd_Expression_HeaderFile
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#define _TDataStd_Expression_HeaderFile
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#include <Standard.hxx>
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#include <Standard_Type.hxx>
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#include <TCollection_ExtendedString.hxx>
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#include <TDF_AttributeList.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 TDF_Label;
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class TCollection_ExtendedString;
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class TDF_Attribute;
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class TDF_RelocationTable;
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class TDataStd_Expression;
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DEFINE_STANDARD_HANDLE(TDataStd_Expression, TDF_Attribute)
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//! Expression attribute.
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//! ====================
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//!
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//! * Data Structure of the Expression is stored in a
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//! string and references to variables used by the string
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//!
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//! Warning: To be consistent, each Variable referenced by the
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//! expression must have its equivalent in the string
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class TDataStd_Expression : public TDF_Attribute
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{
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public:
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//! class methods
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//! =============
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Standard_EXPORT static const Standard_GUID& GetID();
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//! Find, or create, an Expression attribute.
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//! Expressionmethods
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//! ============
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Standard_EXPORT static Handle(TDataStd_Expression) Set (const TDF_Label& label);
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Standard_EXPORT TDataStd_Expression();
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//! build and return the expression name
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Standard_EXPORT TCollection_ExtendedString Name() const;
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Standard_EXPORT void SetExpression (const TCollection_ExtendedString& E);
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Standard_EXPORT const TCollection_ExtendedString& GetExpression() const;
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Standard_EXPORT TDF_AttributeList& GetVariables();
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Standard_EXPORT const Standard_GUID& ID() const Standard_OVERRIDE;
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Standard_EXPORT void Restore (const Handle(TDF_Attribute)& With) Standard_OVERRIDE;
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Standard_EXPORT Handle(TDF_Attribute) NewEmpty() const Standard_OVERRIDE;
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Standard_EXPORT void Paste (const Handle(TDF_Attribute)& Into, const Handle(TDF_RelocationTable)& RT) const Standard_OVERRIDE;
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Standard_EXPORT virtual Standard_OStream& Dump (Standard_OStream& anOS) const Standard_OVERRIDE;
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DEFINE_STANDARD_RTTIEXT(TDataStd_Expression,TDF_Attribute)
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protected:
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private:
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TCollection_ExtendedString myExpression;
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TDF_AttributeList myVariables;
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};
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#endif // _TDataStd_Expression_HeaderFile
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