otbParserX.h

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/*
 * Copyright (C) 2005-2020 Centre National d'Etudes Spatiales (CNES)
 *
 * This file is part of Orfeo Toolbox
 *
 *     https://www.orfeo-toolbox.org/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef otbParserX_h
#define otbParserX_h

#include "itkLightObject.h"
#include "itkObjectFactory.h"

#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wc++11-extensions"

#if defined(__apple_build_version__)
/* Apple's 3.6.0 based clang doesn't support -Winconsistent-missing-override */
#if __apple_build_version__ >= 7000053
#pragma clang diagnostic ignored "-Winconsistent-missing-override"
#endif
#elif __clang_major__ > 3 || (__clang_major__ == 3 && __clang_minor__ >= 7)
#pragma clang diagnostic ignored "-Winconsistent-missing-override"
#endif

#include "mpParser.h"
#pragma clang diagnostic pop

#else
#include "mpParser.h"
#endif

namespace otb
{

class ParserXImpl;


class ITK_EXPORT ParserX : public itk::LightObject
{
public:
  typedef ParserX                       Self;
  typedef itk::LightObject              Superclass;
  typedef itk::SmartPointer<Self>       Pointer;
  typedef itk::SmartPointer<const Self> ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(ParserX, itk::LightObject);

  typedef ParserX     ParserXType;
  typedef mup::Value  ValueType;
  typedef mup::IValue IValueType;

  virtual void SetExpr(const std::string& Expression);

  ValueType Eval();

  const IValueType& EvalRef();

  void DefineVar(const std::string& sName, ValueType* fVar);

  // void DefineConst(const std::string &sName, ValueType *fVar);

  void ClearVar();

  const std::string& GetExpr() const;

  const mup::var_maptype& GetVar() const;

  const mup::var_maptype& GetExprVar() const;

  bool CheckExpr();

protected:
  ParserX();
  ~ParserX() override;
  void PrintSelf(std::ostream& os, itk::Indent indent) const override;


private:
  ParserX(const Self&) = delete;
  void operator=(const Self&) = delete;

  typedef itk::SmartPointer<ParserXImpl> ParserXImplPtr;
  ParserXImplPtr                         m_InternalParserX;
}; // end class

} // end namespace otb

#endif