progress_bar.h

// -*-c++-*-
#ifndef STORMM_PROGRESSBAR_H
#define STORMM_PROGRESSBAR_H
 
#include <iostream>
#include <ostream>
#include <string>
#include <stdexcept>
 
namespace stormm {
namespace reporting {
 
class ProgressBar {
public:
  ProgressBar(int cycle_count_in = 0, bool show_bar_in = true,
              std::ostream &output_in = std::cout);

  const std::string& getState() const;
  
  void initialize(int n = 0, bool show_bar_in = true, std::ostream &out = std::cout);

  void reset();
  
  void setIterations(int iter);

  void setDoneChar(const std::string &sym);

  void setTodoChar(const std::string &sym);

  void setOpeningBracketChar(const std::string &sym);
  
  void setClosingBracketChar(const std::string &sym);

  void showBar(bool flag = true);
  
  void setOutputStream(std::ostream &stream);

  void setTerminalWidth(int width);

  void allocateBarContents();

  void update();
  
private:
 
  int progress;                   
  int cycle_count;                
  int last_percent;               
  bool show_bar;                  
  bool update_called;             
  std::string finished_mark;      
  std::string todo_mark;          
  std::string prgb_open_bracket;  
  std::string prgb_close_bracket; 
  std::ostream* output;           
  int terminal_width;             
  std::string bar_contents;       
  
  void updateTerminalWidth();
};
 
} // namespace reporting
} // namespace stormm
 
#endif // STORMM_PROGRESSBAR_H