JProperties-setValue.cc

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#include <iostream>
#include <iomanip>
 
#include "JLang/JCategory.hh"
#include "Jeep/JProperties.hh"
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"
 
 
namespace {
 
  using namespace JPP;
 
  
  /**
   * Test data structure.
   */
  struct JABC {
    /**
     * Constructor.
     *
     * \param a       a
     * \param b       b
     * \param c       c
     */
    JABC(const double a,
         const double b,
         const double c)
    {
      this->a = a;
      this->b = b;
      this->c = c;
    }
 
    double a;
    double b;
    double c;
 
    /**
     * Get properties of this class.
     *
     * \param  object                  test data
     * \param  equation                equation parameters     
     */
    template<bool is_const>
    static JProperties getProperties(typename JCategory<JABC, is_const>::reference_type object,
                                     const JEquationParameters& equation = JEquationParameters("=", "\n;", "./", "#"),
                                     const int debug                     = 0)
    {
      JProperties properties(equation, debug); 
      
      properties.insert(gmake_property(object.a));
      properties.insert(gmake_property(object.b));
      properties.insert(gmake_property(object.c));
 
      return properties;
    }
  };
}
 
/**
 * \file
 * Example program to test JPROPERTIES::JProperties class.
 * \author mdejong
 */
int main(int argc, char **argv)
{
  using namespace std;
 
  int           debug;
 
  try {
 
    JParser<> zap;
 
    zap['d'] = make_field(debug)       = 3;
 
    zap(argc, argv);
  }
  catch(const exception &error) {
    FATAL(error.what() << endl);
  }
 
  double a = 1.0;
  double b = 2.0;
  double c = 3.0;
 
  JABC test(a, b, c);
 
  getProperties(test).getValue<double>("a") *= a;
  getProperties(test).setValue<double>("b", 111.0);
  getProperties(test).getValue<double>("c") += c;
  
  ASSERT(test.a == a*a);
  ASSERT(test.b == 111.0);
  ASSERT(test.c == 2*c);
 
  return 0;
}