/**************************************************************************
Copyright: (C) 2021 Alexander Shaduri
License: Zlib
***************************************************************************/

#ifndef CSV_ERROR_H
#define CSV_ERROR_H

#include <string>
#include <stdexcept>

namespace Csv {

/// Exception thrown on CSV parse error.
class ParseError : public std::runtime_error {
 public:
  ParseError(std::size_t row, std::size_t column)
      : runtime_error(createWhatString(row, column)),
        row_(row),
        column_(column) {
  }

  /// Return a 0-based row number where error occurred
  [[nodiscard]] std::size_t row() const {
    return row_;
  }

  /// Return a 0-based column number where error occurred
  [[nodiscard]] std::size_t column() const {
    return column_;
  }

 private:
  /// Create a string for \ref what() to return
  static std::string createWhatString(std::size_t row, std::size_t column) {
    return std::string("CSV parse error at row ") + std::to_string(row + 1)
           + ", column " + std::to_string(column + 1);
  }

  std::size_t row_ = 0;     ///< 0-based
  std::size_t column_ = 0;  ///< 0-based
};

}  // namespace Csv

#endif