Program Listing for File line_parser.hpp

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#pragma once

/*******************************************************************************
 * Includes
 ******************************************************************************/
#include <string>
#include <vector>
#include <sstream>

#include "rcppsw/rcppsw.hpp"

/*******************************************************************************
 * Namespaces/Decls
 ******************************************************************************/
namespace rcppsw::utils {

/*******************************************************************************
 * Class Definitions
 ******************************************************************************/
class line_parser {
 public:
  template<typename T>
  static std::vector<T> as(const std::vector<std::string>& v) {
    std::vector<T> res(v.size());
    for (size_t i = 0; i < v.size(); ++i) {
      std::istringstream iss(v[i]);
      iss >> res[i];
    } /* for(i..) */
    return res;
  }

  explicit line_parser(char delim) : mc_delim(delim) {}

  std::vector<std::string> operator()(const std::string& line) const {
    std::stringstream ss(line);
    return operator()(ss);
  }

  std::vector<std::string> operator()(std::stringstream& ss) const {
    std::vector<std::string> res;

    while (ss.good()) {
      std::string sub;
      std::getline(ss, sub, mc_delim);
      res.push_back(sub);
    } /* while() */
    return res;
  }

 private:
  /* clang-format off */
  const char mc_delim;
  /* clang-format on */
};

} /* namespace rcppsw::utils */