JNullStream.cc

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

#include "JLang/JFileStream.hh"
#include "JLang/JNullStream.hh"

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


/**
 * \file
 *
 * Example program to test JANG::JFileSream and JLANG::JNullStream classes.
 * \author mdejong
 */
int main(int argc, char **argv)
{
  using namespace std;
  using namespace JPP;

  bool        use_cin;
  bool        use_cout;
  int         debug;

  try {

    JParser<> zap("Example program to test file streaming.");

    zap['c'] = make_field(use_cin);
    zap['C'] = make_field(use_cout);
    zap['d'] = make_field(debug)       = 0;

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


  JFileInputStream  is(STDIN_FILENO);
  JFileOutputStream os(STDOUT_FILENO);

  istream in (use_cin  ? cin .rdbuf() : is.rdbuf());
  ostream out(use_cout ? cout.rdbuf() : os.rdbuf());

  for ( ; ; ) {

    string buffer;

    out << "> " << flush;
    getline(in,buffer);
    
    if (buffer != "") {

      cout << "out  -> <" << flush; out  << buffer << flush; cout << ">" << endl;
      cout << "null -> <" << flush; null << buffer << flush; cout << ">" << endl;

    } else {

      break;
    }
  }
}