ModelAPI_Expression.h

// Copyright (C) 2014-2026  CEA, EDF
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
 
#ifndef ModelAPI_Expression_H_
#define ModelAPI_Expression_H_
 
#include "ModelAPI.h"
 
#include <memory>
#include <set>
#include <string>
 
class ModelAPI_Expression
{
 public:
  MODELAPI_EXPORT virtual ~ModelAPI_Expression();
 
  MODELAPI_EXPORT virtual bool isInitialized();
 
  MODELAPI_EXPORT virtual void setInitialized();
 
  MODELAPI_EXPORT virtual void setText(const std::wstring& theText) = 0;
 
  MODELAPI_EXPORT virtual std::wstring text() const = 0;
 
  MODELAPI_EXPORT virtual void setInvalid(const bool theFlag) = 0;
 
  MODELAPI_EXPORT virtual bool isInvalid() = 0;
 
  MODELAPI_EXPORT virtual void setError(const std::string& theError) = 0;
 
  MODELAPI_EXPORT virtual std::string error() = 0;
 
  MODELAPI_EXPORT virtual
    void setUsedParameters(const std::set<std::wstring>& theUsedParameters) = 0;
 
  MODELAPI_EXPORT virtual std::set<std::wstring> usedParameters() const = 0;
 
  MODELAPI_EXPORT static bool isVariable(const std::string& theString);
 
  MODELAPI_EXPORT static bool isVariable(const std::wstring& theString);
 
 protected:
  MODELAPI_EXPORT ModelAPI_Expression();
  MODELAPI_EXPORT virtual void reinit() = 0;
  MODELAPI_EXPORT virtual void reset() {
    myIsInitialized = false;
  };
 
  bool myIsInitialized; 
 
  friend class Model_Data;
  friend class Model_AttributeDouble;
  friend class Model_AttributeInteger;
  friend class GeomData_Point;
  friend class GeomData_Point2D;
};
 
 
class ModelAPI_ExpressionDouble : public virtual ModelAPI_Expression
{
 public:
  MODELAPI_EXPORT virtual void setValue(const double theValue) = 0;
 
  MODELAPI_EXPORT virtual double value() = 0;
 
 protected:
  MODELAPI_EXPORT ModelAPI_ExpressionDouble();
 
  friend class Model_Data;
};
 
 
class ModelAPI_ExpressionInteger : public virtual ModelAPI_Expression
{
 public:
  MODELAPI_EXPORT virtual void setValue(const int theValue) = 0;
 
  MODELAPI_EXPORT virtual int value() = 0;
 
 protected:
  MODELAPI_EXPORT ModelAPI_ExpressionInteger();
 
  friend class Model_Data;
};
 
 
typedef std::shared_ptr<ModelAPI_Expression> ExpressionPtr;
typedef std::shared_ptr<ModelAPI_ExpressionDouble> ExpressionDoublePtr;
typedef std::shared_ptr<ModelAPI_ExpressionInteger> ExpressionIntegerPtr;
 
#endif