// This file is generated by WOK (CPPExt).
// Please do not edit this file; modify original file instead.
// The copyright and license terms as defined for the original file apply to 
// this header file considered to be the "object code" form of the original source.

#ifndef _Expr_UnknownIterator_HeaderFile
#define _Expr_UnknownIterator_HeaderFile

#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Macro.hxx>

#include <Expr_MapOfNamedUnknown.hxx>
#include <Standard_Integer.hxx>
#include <Handle_Expr_GeneralExpression.hxx>
#include <Standard_Boolean.hxx>
#include <Handle_Expr_NamedUnknown.hxx>
class Standard_NoMoreObject;
class Standard_NoSuchObject;
class Expr_GeneralExpression;
class Expr_NamedUnknown;


//! Describes an iterator on NamedUnknowns contained
//! in any GeneralExpression.
class Expr_UnknownIterator 
{
public:

  DEFINE_STANDARD_ALLOC

  
  Standard_EXPORT Expr_UnknownIterator(const Handle(Expr_GeneralExpression)& exp);
  
  Standard_EXPORT   Standard_Boolean More()  const;
  
  Standard_EXPORT   void Next() ;
  
  Standard_EXPORT   Handle(Expr_NamedUnknown) Value()  const;




protected:





private:

  
  Standard_EXPORT   void Perform (const Handle(Expr_GeneralExpression)& exp) ;


  Expr_MapOfNamedUnknown myMap;
  Standard_Integer myCurrent;


};







#endif // _Expr_UnknownIterator_HeaderFile
