getTag.cc

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#include <string>
#include <iostream>
#include <iomanip>
#include <type_traits>
 
#include "JLang/JType.hh"
 
#include "JNet/JTag.hh"
 
#include "km3net-dataformat/online/JDAQEvent.hh"
#include "JDAQ/JDAQTags.hh"
 
#include "Jeep/JPrint.hh"
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"
 
namespace {
 
  using JLANG::JType;
 
  /**
   * Print data type.
   *
   * \param  out       output stream
   * \param  type      data type
   * \param  option    option
   */
  template<class T>
  inline void print(std::ostream& out, const JType<T>& type, const std::true_type opton)
  {
    using namespace std;
 
    out << getTag<T>() << endl;
  }
 
  /**
   * Print data type.
   *
   * \param  out       output stream
   * \param  type      data type
   * \param  option    option
   */
  template<class T>
  inline void print(std::ostream& out, const JType<T>& type, const std::false_type opton)
  {}
  
  /**
   * Print data type.
   *
   * \param  out       output stream
   * \param  type      data type
   */
  template<class T>
  inline void print(std::ostream& out, const JType<T>& type) 
  {
    print(out, type, std::bool_constant<JTagAvailable<T>::value>());
  }
}
  
 
/**
 * \file
 *
 * Program to test JTagAvailable.
 * \author mdejong
 */
int main(int argc, char **argv)
{
  using namespace std;
  using namespace JPP;
 
  int      debug;
 
  try {
 
    JParser<> zap("Program to test JTagAvailable.");
 
    zap['d'] = make_field(debug)               = 3;
 
    zap(argc, argv);
  }
  catch(const exception& error) {
    FATAL(error.what() << endl);
  }
 
  print(cout, JType<JDAQEvent>());
  print(cout, JType<double>());
 
  return 0;
}