csv_reader.hh

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#pragma once
 
// standard library
#include "rapidcsv.h"
#include <cstddef>
#include <memory>
#include <string>
 
namespace DiFfRG
{
  class CSVReader
  {
  public:
    CSVReader(std::string input_file, char separator = ',', bool has_header = false);
 
    size_t n_rows() const;
 
    size_t n_cols() const;
 
    double value(const std::string &col, const size_t row) const;
 
    double value(const size_t col, const size_t row) const;
 
  private:
    std::string input_file;
    std::unique_ptr<rapidcsv::Document> document;
  };
} // namespace DiFfRG