SlValueParser.h

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// part of SDL2lazy
// author: Ulrike Hager

#ifndef SLVALUEPARSER_H
#define SLVALUEPARSER_H

#include <string>
#include <vector>
#include <queue>


class SlFormulaItem;

class SlValueParser
{
 public:
  SlValueParser(int width, int height);
  SlValueParser(){}
  ~SlValueParser(){}
  SlValueParser& operator=(const SlValueParser& rhs);
  SlValueParser(const SlValueParser& toCopy);
  
  void doubleFromString(const std::string& value, double& i);
  void parseFormula(const std::vector<std::string>& stringValues, unsigned int& i, double& value);
  void setDimensions(const int& width, const int& height);
  void stringsToDoubles(const std::vector<std::string>& stringValues, double* values, unsigned int length );
  template<typename T>
    void stringsToNumbers(const std::vector<std::string>& stringValues, T *array, unsigned int length );
  bool stringsToRenderOptions(const std::vector<std::string>& stringValues, int& options );
  int screenWidth() {return screen_width_;}
  int screenHeight() {return screen_height_;}

 private:
  int screen_width_ = 0;
  int screen_height_ = 0;

  std::string assembleFormula(const std::vector<std::string>& stringValues, unsigned int& i);
  double calculateFormula(std::queue<SlFormulaItem>& outputQueue);
  SlFormulaItem getNextItem(std::string& formula);
  std::queue<SlFormulaItem> shuntFormula(std::string& formula);

};

#include "SlValueParser.hpp"

#endif /* SLVALUEPARSER_H */