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83 lines
2.0 KiB
C++
83 lines
2.0 KiB
C++
// Created on: 1992-08-18
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// Created by: Arnaud BOUZY
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// Copyright (c) 1992-1999 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 _ExprIntrp_GenRel_HeaderFile
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#define _ExprIntrp_GenRel_HeaderFile
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#include <Standard.hxx>
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#include <Standard_Type.hxx>
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#include <Standard_Boolean.hxx>
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#include <ExprIntrp_Generator.hxx>
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class Expr_GeneralRelation;
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class Standard_NoSuchObject;
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class TCollection_AsciiString;
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class ExprIntrp_GenRel;
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DEFINE_STANDARD_HANDLE(ExprIntrp_GenRel, ExprIntrp_Generator)
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//! Implements an interpreter for equations or system
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//! of equations made of expressions of package Expr.
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class ExprIntrp_GenRel : public ExprIntrp_Generator
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{
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public:
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Standard_EXPORT static Handle(ExprIntrp_GenRel) Create();
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//! Processes given string.
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Standard_EXPORT void Process (const TCollection_AsciiString& str);
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//! Returns false if any syntax error has occurred during
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//! process.
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Standard_EXPORT Standard_Boolean IsDone() const;
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//! Returns relation generated. Raises an exception if
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//! IsDone answers false.
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Standard_EXPORT Handle(Expr_GeneralRelation) Relation() const;
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DEFINE_STANDARD_RTTIEXT(ExprIntrp_GenRel,ExprIntrp_Generator)
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protected:
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private:
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//! Creates an empty generator
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Standard_EXPORT ExprIntrp_GenRel();
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Standard_Boolean done;
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Handle(Expr_GeneralRelation) myRelation;
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};
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#endif // _ExprIntrp_GenRel_HeaderFile
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