Function to transform a CSV line into C++ variables.

cool_csv.cpp

// Danilo Lemos - 2021
// cool_csv.cpp
// ======================
// A small and free to use/edit function to read a CSV line.

#include <string>
#include <sstream>
#include <iostream>

void Cool_CSV(const std::string &line) {}

template <typename... Args, typename T>
void Cool_CSV(const std::string &line, T &arg1, Args &...args)
{

    std::size_t comma = line.find(',');
    std::string value = line.substr(0, comma);

    std::istringstream iss(value);
    iss >> arg1;

    if (comma != std::string::npos)
        Cool_CSV(line.substr(comma + 1), args...);
}

int main(int argc, char *argv[])
{

    // Our CSV line contains two ints, one string and two floats.
    int a, b;
    std::string c;
    float d, e;

    // Pass the line and the variables that will receive the values
    Cool_CSV("36, 41, Teste, 52.1, 213.1", a, b, c, d, e);

    // Show the values that have been read from the line
    std::cout << a << ", " << b << ", " << c << ", " << d << ", " << e << std::endl;
    return 0;
}