include/opencascade/ExprIntrp.hxx

0001 // Created on: 1991-07-18
0002 // Created by: Arnaud BOUZY
0003 // Copyright (c) 1991-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _ExprIntrp_HeaderFile
0018 #define _ExprIntrp_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <Standard_Boolean.hxx>
0025 class ExprIntrp_Generator;
0026 class TCollection_AsciiString;
0027
0028 //! Describes an interpreter for GeneralExpressions,
0029 //! GeneralFunctions, and GeneralRelations defined in
0030 //! package Expr.
0031 class ExprIntrp
0032 {
0033 public:
0034   DEFINE_STANDARD_ALLOC
0035
0036 private:
0037   Standard_EXPORT static bool Parse(const occ::handle<ExprIntrp_Generator>& gen,
0038                                     const TCollection_AsciiString&          str);
0039
0040 private:
0041   friend class ExprIntrp_GenExp;
0042   friend class ExprIntrp_GenFct;
0043   friend class ExprIntrp_GenRel;
0044 };
0045
0046 #endif // _ExprIntrp_HeaderFile