source: branches/0.4-stable/yat/utility/OptionSwitch.h @ 1743

#ifndef _theplu_yat_utility_option_switch_
#define _theplu_yat_utility_option_switch_

// $Id: OptionSwitch.h 1743 2009-01-23 14:20:30Z peter $

/*
  Copyright (C) 2007 Jari Häkkinen, Peter Johansson
  Copyright (C) 2008 Peter Johansson

  This file is part of the yat library, http://dev.thep.lu.se/yat

  The yat library 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.

  The yat library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  02111-1307, USA.
*/

#include "Option.h"

#include <string>

namespace theplu {
namespace yat {
namespace utility {

  class CommandLine;
  /**
     \brief Class for switch option
   */
  class OptionSwitch : public Option
  {
  public:
    /**
       \brief Constructor 
       
       \param cmd Commandline Option is associated with
       \param name string such as "help" for --help, "h" for -h or
       "h,help" for having both short and long option name
       \param desc string used in help display
       \param def default value for switch
    */
    OptionSwitch(CommandLine& cmd, std::string name, 
                 std::string desc, bool def=false); 


    /**
       \brief return value
     */
    bool value(void) const;

  private:
    /**
     */
    void do_parse(std::vector<std::string>::iterator, 
                  std::vector<std::string>::iterator);

    /**
       called inside do_parse and allows inherited classes to add
       stuff to do_parse.
     */
    virtual void do_parse2(std::vector<std::string>::iterator, 
                           std::vector<std::string>::iterator);

    /**
     */
    std::string print2(void) const;

    /**
     */
    void do_validate(void) const;

  private:
    bool def_;
    bool switch_;
  };

}}} // of namespace utility, yat, and theplu

#endif