/*
   Copyright (c) 2014, 2021, Oracle and/or its affiliates.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License, version 2.0,
   as published by the Free Software Foundation.

   This program is also distributed with certain software (including
   but not limited to OpenSSL) that is licensed under separate terms,
   as designated in a particular file or component or in included license
   documentation.  The authors of MySQL hereby grant you an additional
   permission to link the program and your derivative works with the
   separately licensed software that they have included with MySQL.

   This program 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, version 2.0, 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
*/

#ifndef ABSTRACT_VALUE_OPTION_INCLUDED
#define ABSTRACT_VALUE_OPTION_INCLUDED

#include <string>
#include <my_getopt.h>
#include "abstract_option.h"

namespace Mysql{
namespace Tools{
namespace Base{
namespace Options{

/**
  Abstract option to handle options accepting value argument.
 */
template<typename T_type> class Abstract_value_option
  : public Abstract_option<T_type>
{
public:
  /**
    Sets arg_type to OPT_ARG - doesn't require argument to be specified when
    using this option.
   */
  T_type* value_optional();

protected:
  /**
    Constructs new option with value argument.
    @param value Pointer to object to receive option value.
    @param var_type my_getopt internal option type.
    @param name Name of option. It is used in command line option name as
      --name.
    @param desription Description of option to be printed in --help.
    @param default_value default value to be supplied to internal option
      data structure.
   */
  Abstract_value_option(void* value, ulong var_type, std::string name,
    std::string description, uint64 default_value);
};


template<typename T_type> Abstract_value_option<T_type>::Abstract_value_option(
    void* value, ulong var_type, std::string name, std::string description,
    uint64 default_value)
  : Abstract_option<T_type>(value, var_type, name, description, default_value)
{}

template<typename T_type> T_type* Abstract_value_option<T_type>::value_optional()
{
  this->m_option_structure.arg_type= OPT_ARG;
  return (T_type*)this;
}

}
}
}
}
#endif
