#include <string>
#include <iostream>
#include <iomanip>
#include <algorithm>

#include "JSystem/JProcess.hh"
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"


/**
 * \file
 *
 * Example for testing inter-process communication.
 * \author mdejong
 */
int main(int argc, char* argv[])
{
  using namespace std;
  using namespace JPP;

  string command;
  bool   use_cin;
  bool   revert;

  try {

    JParser<> zap("Example for testing inter-process communication.");

    zap['c'] = make_field(command);
    zap['C'] = make_field(use_cin);
    zap['r'] = make_field(revert);

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


  try {

    JProcess process(command);

    if (!use_cin) {

      istream in(process.getInputStreamBuffer());

      for (string buffer; getline(in, buffer); ) {
	cout << buffer << endl;
      }

    } else {

      ostream out(process.getOutputStreamBuffer());
      istream in (process.getInputStreamBuffer());

      for (string buffer; getline(cin, buffer) && buffer != ""; ) {

	out  << buffer << endl;

	getline(in, buffer);

	if (revert) {
	  reverse(buffer.begin(), buffer.end());
	}

	cout << buffer << endl;
      }
    }
  }
  catch(const JException& error) {
    cerr << error.what() << endl;
  }
}