JObject.cc

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#include <iostream>
#include <iomanip>
#include <vector>
#include <iterator>
 
#include "JLang/JObject.hh"
 
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"
 
 
namespace {
 
  using namespace JPP;
 
  typedef std::vector<int>  buffer_type;
 
 
  /**
   * Example worker class which requires static instance to be processed.
   */
  struct __A__ :
    public JObject<__A__>
  {
    __A__(const int N, buffer_type& buffer) :
      N(N),
      buffer(buffer)
    {}
 
    void operator()()
    {
      for (int i = 0; i != N; ++i) {
        buffer.push_back(buffer.size());
      }
    }
    
    int N;
    buffer_type& buffer;
  };
 
 
  /**
   * Process object.
   */
  inline void process(__A__& object) 
  {
    object();
  }
}
 
 
/**
 * \file
 *
 * Example program to test JLANG::JObject class.
 * \author mdejong
 */
int main(int argc, char **argv)
{
  using namespace std;
 
  int         debug;
 
  try {
 
    JParser<> zap("Example program to test object.");
 
    zap['d'] = make_field(debug)   = 3;
 
    zap(argc, argv);
  }
  catch(const exception &error) {
    FATAL(error.what() << endl);
  }
 
 
  using namespace JPP;
 
  buffer_type buffer;
 
  process(__A__(3, buffer).getInstance());
  process(getInstance(__A__(2, buffer)));
  //process(__A__(5, buffer));   // compiler error: invalid initialization of non-const reference (as should be)
  
  for (buffer_type::const_iterator i = buffer.begin(); i != buffer.end(); ++i) {
    cout << *i << endl;
  }
}