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1 | // Created on: 1991-07-18 |
| 2 | // Created by: Arnaud BOUZY |
| 3 | // Copyright (c) 1991-1999 Matra Datavision |
| 4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
| 5 | // |
| 6 | // This file is part of Open CASCADE Technology software library. |
| 7 | // |
| 8 | // This library is free software; you can redistribute it and/or modify it under |
| 9 | // the terms of the GNU Lesser General Public License version 2.1 as published |
| 10 | // by the Free Software Foundation, with special exception defined in the file |
| 11 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
| 12 | // distribution for complete text of the license and disclaimer of any warranty. |
| 13 | // |
| 14 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 15 | // commercial license or contractual agreement. |
| 16 | |
| 17 | #ifndef _ExprIntrp_GenExp_HeaderFile |
| 18 | #define _ExprIntrp_GenExp_HeaderFile |
| 19 | |
| 20 | #include <Standard.hxx> |
| 21 | #include <Standard_Type.hxx> |
| 22 | |
| 23 | #include <Standard_Boolean.hxx> |
| 24 | #include <ExprIntrp_Generator.hxx> |
| 25 | class Expr_GeneralExpression; |
| 26 | class Standard_NoSuchObject; |
| 27 | class TCollection_AsciiString; |
| 28 | |
| 29 | |
| 30 | class ExprIntrp_GenExp; |
| 31 | DEFINE_STANDARD_HANDLE(ExprIntrp_GenExp, ExprIntrp_Generator) |
| 32 | |
| 33 | //! This class permits, from a string, to create any |
| 34 | //! kind of expression of package Expr by using |
| 35 | //! built-in functions such as Sin,Cos, etc, and by |
| 36 | //! creating variables. |
| 37 | class ExprIntrp_GenExp : public ExprIntrp_Generator |
| 38 | { |
| 39 | |
| 40 | public: |
| 41 | |
| 42 | |
| 43 | Standard_EXPORT static Handle(ExprIntrp_GenExp) Create(); |
| 44 | |
| 45 | //! Processes given string. |
| 46 | Standard_EXPORT void Process (const TCollection_AsciiString& str); |
| 47 | |
| 48 | //! Returns false if any syntax error has occurred during |
| 49 | //! process. |
| 50 | Standard_EXPORT Standard_Boolean IsDone() const; |
| 51 | |
| 52 | //! Returns expression generated. Raises an exception if |
| 53 | //! IsDone answers false. |
| 54 | Standard_EXPORT Handle(Expr_GeneralExpression) Expression() const; |
| 55 | |
| 56 | |
| 57 | |
| 58 | |
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59 | DEFINE_STANDARD_RTTIEXT(ExprIntrp_GenExp,ExprIntrp_Generator) |
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60 | |
| 61 | protected: |
| 62 | |
| 63 | |
| 64 | |
| 65 | |
| 66 | private: |
| 67 | |
| 68 | |
| 69 | //! Creates an empty generator |
| 70 | Standard_EXPORT ExprIntrp_GenExp(); |
| 71 | |
| 72 | Standard_Boolean done; |
| 73 | Handle(Expr_GeneralExpression) myExpression; |
| 74 | |
| 75 | |
| 76 | }; |
| 77 | |
| 78 | |
| 79 | |
| 80 | |
| 81 | |
| 82 | |
| 83 | |
| 84 | #endif // _ExprIntrp_GenExp_HeaderFile |
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