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/*
* Copyright (C) 2005-2017 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_build_version__ < 7000053
/* Apple's 3.6.0 based clang doesn't support -Winconsistent-missing-override */
#else
#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 ParserX
* \brief Definition of the standard floating point parser.
* Standard implementation of the mathematical expressions parser.
*
* \sa BandMathImageFilter
*
*
* \ingroup OTBMathParserX
*/
class ITK_EXPORT ParserX : public itk::LightObject
{
public:
/** Standard class typedefs. */
typedef ParserX Self;
typedef itk::LightObject Superclass;
typedef itk::SmartPointer<Self> Pointer;
typedef itk::SmartPointer<const Self> ConstPointer;
/** New macro for creation of through a Smart Pointer */
itkNewMacro(Self);
/** Run-time type information (and related methods) */
itkTypeMacro(ParserX, itk::LightObject);
/** Convenient type definitions */
typedef ParserX ParserXType;
typedef mup::Value ValueType;
typedef mup::IValue IValueType;
/** Set the expression to be parsed */
virtual void SetExpr(const std::string & Expression);
/** Trigger the parsing */
ValueType Eval();
/** Trigger the parsing but return a const ref */
const IValueType & EvalRef();
/** Define a variable */
void DefineVar(const std::string &sName, ValueType *fVar);
/** Define a constant */
//void DefineConst(const std::string &sName, ValueType *fVar);
/** Clear all the defined variables */
void ClearVar();
/** Return the expression to be parsed */
const std::string& GetExpr() const;
/** Return the list of variables */
const mup::var_maptype& GetVar() const;
/** Return the list of expression variables (only make sense after having set up an expression) */
const mup::var_maptype& GetExprVar() const;
/** Check Expression **/
bool CheckExpr();
protected:
ParserX();
~ParserX() override;
void PrintSelf(std::ostream& os, itk::Indent indent) const override;
private:
ParserX(const Self &); //purposely not implemented
void operator =(const Self &); //purposely not implemented
typedef itk::SmartPointer<ParserXImpl> ParserXImplPtr;
ParserXImplPtr m_InternalParserX;
}; // end class
}//end namespace otb
#endif
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