JWhiteSpacesFacet.cc

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#include <string>
#include <iostream>
#include <fstream>
#include <locale>
#include <iomanip>

#include "JLang/JWhiteSpacesFacet.hh"

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


/**
 * \file
 *
 * Example program to test JLANG::JWhiteSpacesFacet class.
 * \author mdejong
 */
int main(int argc, char **argv)
{
  using namespace std;

  string      ws;
  string      inputFile;
  int         debug;

  try {

    JParser<> zap("Example program to test white spaces handling using facet.");

    zap['c'] = make_field(ws)        = " \t=.";
    zap['f'] = make_field(inputFile) = "";
    zap['d'] = make_field(debug)     = 0;

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


  using namespace JPP;


  if (inputFile == "") {

    for ( ; ; ) {
      
      cout << "> " << flush;
      
      string buffer;
      
      getline(cin, buffer);
      
      if (buffer != "") {
        
        istringstream is(buffer);
        
        const locale loc(is.getloc(), new JWhiteSpacesFacet(is.getloc(), ws));
        
        is.imbue(loc);
        
        for (string key; is >> key; ) {
          cout << key << endl;
        }
        
      } else

        break;
    }

  } else {

    ifstream in(inputFile.c_str());

    in.imbue(locale(in.getloc(), new JWhiteSpacesFacet(in.getloc(), ws)));

    for (string key; in >> key; ) {
      cout << key << endl;
    }

    in.close();
  }
}