tkcsv.h

/********************************************************************************
 *   Licensed under the MIT License <http://opensource.org/licenses/MIT>.       *
 *   SPDX-License-Identifier: MIT                                               *
 ********************************************************************************/
 
#ifndef tkcsv_H
#define tkcsv_H
 
#include <string>
#include <vector>
 
namespace tkn::detail {
 
inline bool parse_csv_row(const std::string &line, std::vector<std::string> &fields)
{
   fields.clear();
   std::string field;
   bool quoted = false;
 
   for (std::size_t index = 0; index < line.size(); ++index) {
      const char character = line[index];
      if (character == '"') {
         if (quoted && index + 1 < line.size() && line[index + 1] == '"') {
            field += '"';
            ++index;
         } else {
            quoted = !quoted;
         }
      } else if (character == ',' && !quoted) {
         fields.push_back(field);
         field.clear();
      } else if (character != '\r') {
         field += character;
      }
   }
   fields.push_back(field);
   return !quoted;
}
 
inline std::vector<std::string> parse_csv_row(const std::string &line)
{
   std::vector<std::string> fields;
   parse_csv_row(line, fields);
   return fields;
}
 
} // namespace tkn::detail
 
#endif