#include <iostream>
#include <fstream>
#include <iomanip>
#include <string>
#include <vector>
#include <set>
#include <map>

#include "JLang/JEquationParameters.hh"
#include "JLang/JEquation.hh"

#include "Jeep/JProperties.hh"
#include "Jeep/JComment.hh"
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"

/**
 * \file
 *
 * General purpose program to print properties file.
 * \author mdejong
 */
int main(int argc, char **argv)
{
  using namespace std;
  using namespace JPP;

  string              inputFile;
  JEquationParameters parameters("=", ";\n", "", "#");
  set<string>         key;
  int                 debug;

  try {

    JProperties properties;

    properties["sep"]   = parameters.getSeparator();
    properties["eol"]   = parameters.getEndOfLine();
    properties["div"]   = parameters.getDivision();
    properties["skip"]  = parameters.getSkipLine();
    properties["left"]  = parameters.getLeftBracket();
    properties["right"] = parameters.getRightBracket();
    properties["ws"]    = parameters.getWhiteSpace();
    properties["cc"]    = parameters.getComment();
 
    JParser<> zap("General purpose program to print properties file.");
    
    zap['f'] = make_field(inputFile);
    zap['@'] = make_field(properties)                           = JPARSER::initialised();
    zap['k'] = make_field(key,         "key");
    zap['d'] = make_field(debug,       "debug level")           = 2;

    zap(argc, argv);
  }
  catch(const exception &error) {
    FATAL(error.what() << endl);
  }


  JComment             comment;

  const JEquationFacet facet(parameters);

  // input

  ifstream in(inputFile.c_str());

  in >> comment;
  
  in.imbue(locale(in.getloc(), facet.clone()));

  for (JEquation equation; in >> equation; ) {

    DEBUG(equation << endl);

    for (const auto& i : key) {

      if (equation.getKey().find(i) == 0) {
	cout << ' ' << equation.getValue();
      }
    }
  }

  in.close();
}