base_application.h

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#ifndef BASE_APPLICATION_CLASS
#define BASE_APPLICATION_CLASS
 
// Name   : base_application
// Author : Chris Koeritz
// Copyright (c) 2000-$now By Author.  This program is free software; you can
// redistribute it and/or modify it under the terms of the GNU General Public
// License as published by the Free Software Foundation:
//     http://www.gnu.org/licenses/gpl.html
// or under the terms of the GNU Library license:
//     http://www.gnu.org/licenses/lgpl.html
// at your preference.  Those licenses describe your legal rights to this
// software, and no other rights or warranties apply.
// Please send updates for this code to: fred@gruntose.com -- Thanks, fred.
 
#include <basis/contracts.h>
#include <loggers/logging_macros.h>
 
namespace application {
 
 
class base_application : public virtual basis::nameable
{
public:
  virtual const char *class_name() const = 0;  // must be provided by implementor.
 
  virtual int execute() = 0;
 
};
 
 
#if 0
 
class example_application : public base_application
{
public:
  example_application() : base_application() {}
  DEFINE_CLASS_NAME("example_application");
  int execute() { /* do stuff and return final exit value. */ }
};
 
int __example__main(int argc, char *argv[])
{
  example_application root_program;
  return root_program.execute();
}
 
#endif // example guard.
 
} //namespace.
 
#endif // outer guard.