application_shell.h

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#ifndef APPLICATION_SHELL_CLASS
#define APPLICATION_SHELL_CLASS
 
/*****************************************************************************\
*                                                                             *
*  Name   : application_shell                                                 *
*  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; either version 2 of   *
* the License or (at your option) any later version.  This is online at:      *
*     http://www.fsf.org/copyleft/gpl.html                                    *
* Please send any updates to: fred@gruntose.com                               *
\*****************************************************************************/
 
#include "base_application.h"
 
#include <basis/contracts.h>
#include <mathematics/chaos.h>
 
namespace application {
 
 
class application_shell : public base_application
{
public:  
  application_shell();
 
  virtual ~application_shell();
 
  DEFINE_CLASS_NAME("application_shell")
 
  static application_shell *single_instance();
 
  virtual int execute_application();
 
  int exit_value() const { return c_exit_value; }
 
  const mathematics::chaos &randomizer() const { return c_rando; }
 
//  static basis::astring application_name();
 
//  static basis::u_int process_id();
 
//  static basis::astring current_directory();
 
  virtual basis::outcome log(const basis::base_string &to_print, int filter = basis::ALWAYS_PRINT);
 
#ifdef __UNIX__
//  static basis::astring get_cmdline_from_proc();
//  static basis::astring query_for_process_info();
#endif
 
protected:
  virtual int execute() = 0;
 
private:
  mathematics::chaos c_rando;  
  int c_exit_value;  
 
  // not applicable.
  application_shell(const application_shell &);
  application_shell &operator =(const application_shell &);
};
 
} //namespace.
 
#endif // outer guard.