libgetopt++/include/getopt++/BoolOption.h

   1 /*
   2  * Copyright (c) 2002 Robert Collins.
   3  *
   4  *     This program is free software; you can redistribute it and/or modify
   5  *     it under the terms of the GNU General Public License as published by
   6  *     the Free Software Foundation; either version 2 of the License, or
   7  *     (at your option) any later version.
   8  *
   9  *     A copy of the GNU General Public License can be found at
  10  *     http://www.gnu.org/
  11  *
  12  * Written by Robert Collins <robertc@hotmail.com>
  13  *
  14  */
  15
  16 #ifndef _BOOLOPTION_H_
  17 #define _BOOLOPTION_H_
  18
  19 #include <getopt++/Option.h>
  20 #include <getopt++/GetOption.h>
  21
  22 // Each registered option must implement this class.
  23 class BoolOption : public Option
  24 {
  25 public:
  26   BoolOption(bool const defaultvalue, char shortopt, char const *longopt = 0,
  27              std::string const &shorthelp = std::string(),
  28              OptionSet &owner=GetOption::GetInstance());
  29   virtual ~ BoolOption ();
  30   virtual std::string const shortOption () const;
  31   virtual std::string const longOption () const;
  32   virtual std::string const shortHelp () const;
  33   virtual Result Process (char const *);
  34   virtual Argument argument () const;
  35   operator bool () const;
  36
  37
  38 private:
  39   bool _value;
  40   bool _ovalue;
  41   char _shortopt;
  42   char const *_longopt;
  43   std::string _shorthelp;
  44 };
  45
  46 #endif // _BOOLOPTION_H_