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118 lines
3.7 KiB
C++
118 lines
3.7 KiB
C++
// Created on: 1991-01-10
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// Created by: Arnaud BOUZY
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// Copyright (c) 1991-1999 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 _Expr_PolyExpression_HeaderFile
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#define _Expr_PolyExpression_HeaderFile
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#include <Standard.hxx>
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#include <Standard_Type.hxx>
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#include <Expr_SequenceOfGeneralExpression.hxx>
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#include <Expr_GeneralExpression.hxx>
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#include <Standard_Integer.hxx>
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#include <Standard_Boolean.hxx>
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class Standard_OutOfRange;
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class Standard_NumericError;
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class Expr_InvalidOperand;
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class Expr_GeneralExpression;
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class Expr_NamedUnknown;
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class Expr_PolyExpression;
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DEFINE_STANDARD_HANDLE(Expr_PolyExpression, Expr_GeneralExpression)
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class Expr_PolyExpression : public Expr_GeneralExpression
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{
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public:
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//! returns the number of operands contained in <me>
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Standard_EXPORT Standard_Integer NbOperands() const;
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//! Returns the <index>-th operand used in <me>.
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//! An exception is raised if index is out of range
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const Handle(Expr_GeneralExpression)& Operand (const Standard_Integer index) const;
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//! Sets the <index>-th operand used in <me>.
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//! An exception is raised if <index> is out of range
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//! Raises InvalidOperand if <exp> contains <me>.
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Standard_EXPORT void SetOperand (const Handle(Expr_GeneralExpression)& exp, const Standard_Integer index);
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//! returns the number of sub-expressions contained
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//! in <me> ( >= 2)
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Standard_EXPORT Standard_Integer NbSubExpressions() const Standard_OVERRIDE;
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//! Returns the sub-expression denoted by <I> in <me>
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//! Raises OutOfRange if <I> > NbSubExpressions(me)
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Standard_EXPORT const Handle(Expr_GeneralExpression)& SubExpression (const Standard_Integer I) const Standard_OVERRIDE;
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//! Does <me> contains NamedUnknown ?
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Standard_EXPORT Standard_Boolean ContainsUnknowns() const Standard_OVERRIDE;
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//! Tests if <exp> is contained in <me>.
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Standard_EXPORT Standard_Boolean Contains (const Handle(Expr_GeneralExpression)& exp) const Standard_OVERRIDE;
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//! Replaces all occurences of <var> with <with> in <me>
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//! Raises InvalidOperand if <with> contains <me>.
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Standard_EXPORT void Replace (const Handle(Expr_NamedUnknown)& var, const Handle(Expr_GeneralExpression)& with) Standard_OVERRIDE;
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//! Returns a GeneralExpression after replacement of
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//! NamedUnknowns by an associated expression and after
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//! values computation.
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Standard_EXPORT Handle(Expr_GeneralExpression) Simplified() const Standard_OVERRIDE;
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DEFINE_STANDARD_RTTIEXT(Expr_PolyExpression,Expr_GeneralExpression)
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protected:
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//! initialize an empty list of operands.
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Standard_EXPORT Expr_PolyExpression();
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//! Adds an operand to the list of <me>.
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Standard_EXPORT void AddOperand (const Handle(Expr_GeneralExpression)& exp);
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//! Remove the operand denoted by <index> from the list of
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//! <me>.
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//! Raises exception if <index> is out of range or if
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//! removing operand intend to leave only one or no
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//! operand.
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Standard_EXPORT void RemoveOperand (const Standard_Integer index);
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private:
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Expr_SequenceOfGeneralExpression myOperands;
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};
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#include <Expr_PolyExpression.lxx>
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#endif // _Expr_PolyExpression_HeaderFile
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