csvtoss.cpp

#include <iostream>
#include <fstream>
#include <vector>
#include <boost/algorithm/string.hpp>

using namespace std;

void usage()
{
  cout << "Usage: cvstoss file.csv" << endl;
  cout << endl;
  cout << "readings and meanings can have up to 2 entries" << endl;
  cout << "leave reading empty for words like する - to be" << endl;
  cout << endl;
  cout << "example file.csv" << endl;
  cout << "  評決,ひょうけつ,\"decision, verdict\"" << endl;
  cout << "  ガチ,,\"serious, diligent\"" << endl;
  cout << "  悪口,\"わるくち,わるぐち\",bad mouth" << endl;
}

int main(int argc, char* argv[])
{
  if(argc != 2)
    usage();
  else
  {
    ifstream csv;
    csv.open(argv[1]);

    if(csv.is_open())
      {
        string line;
        vector<string> items;
        int i;
        bool first = true;

        while(!csv.eof())
        {
          getline(csv, line);
          boost::split(items, line, boost::is_any_of(","));
          i = 0;

          if(first == true)
          {
            cout << "[";
            first = false;
          }
          else
            cout << ",";

          boost::algorithm::trim(items[i]);
          cout << "{\"kanji\":\"" << items[i] << "\",";
          i++;

          if(items[i].find('"') != string::npos)
          {
            items[i].erase(items[i].begin(),items[i].begin()+1);
            boost::algorithm::trim(items[i]);
            cout << "\"reading\":[\"" << items[i] << "\",\"";

            i++;

            items[i].erase(items[i].end()-1,items[i].end());
            boost::algorithm::trim(items[i]);
            cout << items[i] << "\"],";

            i++;
          }
          else
          {
            cout << "\"reading\":[\"" << items[i] << "\"],";
            boost::algorithm::trim(items[i]);
            i++;
          }
            
          if(items[i].find('"') != string::npos)
          {
            items[i].erase(items[i].begin(),items[i].begin()+1);
            boost::algorithm::trim(items[i]);
            cout << "\"meaning\":[\"" << items[i] << "\",\"";

            i++;

            items[i].erase(items[i].end()-1,items[i].end());
            boost::algorithm::trim(items[i]);
            cout << items[i] << "\"]}";
          }
          else
          {
            boost::algorithm::trim(items[i]);
            cout << "\"meaning\":[\"" << items[i] << "\"]}";
          }

        }
          cout << "]" << endl;
      }
    else
      cout << "Cannot read csv file" << endl;

    csv.close();
  }
}