JSTDObjectWriter.cc

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

#include "JLang/JSTDObjectWriter.hh"

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

namespace {

  /**
   * Check if two ranges are equal.
   *
   * \param  __begin1    begin of first  data set
   * \param  __end1      end   of first  data set
   * \param  __begin2    begin of second data set
   * \param  __end2      end   of second data set
   * \return             true if two data sets are equals; else false
   */
  template<class U, class V>
  inline bool equals(U __begin1, U __end1,
                     V __begin2, V __end2)
  {
    U p = __begin1;
    V q = __begin2;

    for ( ; p != __end1 && q != __end2; ++p, ++q) {
      if (*p != *q) {
        return false;
      }
    }

    return (p == __end1 && q == __end2);
  }

  template<class T>
  void print(std::ostream& out, int debug, const char* title, T __begin, T __end)
  {
    using namespace std;
    using namespace JPP;

    if (debug >= debug_t) {
      out << title << endl;
      copy(__begin, __end, ostream_iterator<typename T::value_type>(out, " "));
      out << endl;
    }
  }
}


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

  int         debug;

  try {

    JParser<> zap("Example program to test object output using STD containers.");

    zap['d'] = make_field(debug)      = 3;

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


  using namespace JPP;

  vector<double> data;

  data.push_back(3.0);
  data.push_back(2.0);
  data.push_back(1.0);

  print(cout, debug, "data", data.begin(), data.end());

  {
    typedef vector<double>  buffer_type;
  
    buffer_type buffer;

    JSTDObjectWriter<double> out(buffer);

    for (vector<double>::const_iterator i = data.begin(); i != data.end(); ++i) {
      out.put(*i);
    }

    print(cout, debug, "JSTDObjectWriter<double>(vector<double>&);", buffer.begin(), buffer.end());

    ASSERT(equals(data.begin(),   data.end(),
                  buffer.begin(), buffer.end()));
  }
  {
    typedef set<double>  buffer_type;
  
    buffer_type buffer;

    JSTDObjectWriter<double> out(buffer);

    for (vector<double>::const_iterator i = data.begin(); i != data.end(); ++i) {
      out.put(*i);
    }
    
    print(cout, debug, "JSTDObjectWriter<double>(set<double>&);", buffer.begin(), buffer.end());

    ASSERT(equals(data.rbegin(),  data.rend(),
                  buffer.begin(), buffer.end()));
  }

  return 0;
}