/*
   Copyright (c) 2014, 2015  Oracle and/or its affiliates. All rights reserved.

   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_INTEGER_NUMBER_OPTION_INCLUDED
#define ABSTRACT_INTEGER_NUMBER_OPTION_INCLUDED

#include <string>
#include "abstract_number_option.h"

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

/**
  Abstract option to handle integer number option values.
 */
template<typename T_type, typename T_value> class Abstract_integer_number_option
  : public Abstract_number_option<T_type, T_value>
{
public:
  /**
    Sets value for this option. If it is specified before handling commandline
    options then supplied value is used as default value of this option.
   */
  T_type* set_value(T_value value);

  /**
    Sets required divisor of input value.
   */
  T_type* set_value_step(T_value step);
  /**
    Sets minimum value boundary for option value. Smaller values passed as
    option value will be changed to this minimum value.
    Part of implementation of Abstract_number_option virtual method.
   */
  virtual T_type* set_minimum_value(T_value minimum);
  /**
    Sets maximum value boundary for option value. Greater values passed as
    option value will be changed to this maximum value.
    Part of implementation of Abstract_number_option virtual method.
   */
  virtual T_type* set_maximum_value(T_value maximum);

protected:
  /**
    Constructs new number option.
    @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.
   */
  Abstract_integer_number_option(
    T_value* value, ulong var_type, std::string name, std::string description);
};

template<typename T_type, typename T_value>
  Abstract_integer_number_option<T_type, T_value>::
    Abstract_integer_number_option(
      T_value* value, ulong var_type, std::string name,
      std::string description)
  : Abstract_number_option<T_type, T_value>(
      value, var_type, name, description, 0)
{
  *value= 0;
}

template<typename T_type, typename T_value>
  T_type* Abstract_integer_number_option<T_type, T_value>::
    set_value(T_value value)
{
  *(T_value*)this->m_option_structure.value= value;
  this->m_option_structure.def_value= (longlong)value;
  return (T_type*)this;
}

template<typename T_type, typename T_value>
  T_type* Abstract_integer_number_option<T_type, T_value>::
    set_value_step(T_value step)
{
  this->m_option_structure.block_size= (long)step;
  return (T_type*)this;
}

template<typename T_type, typename T_value>
  T_type* Abstract_integer_number_option<T_type, T_value>::
    set_minimum_value(T_value minimum)
{
  this->m_option_structure.min_value= (longlong)minimum;
  return (T_type*)this;
}

template<typename T_type, typename T_value>
  T_type* Abstract_integer_number_option<T_type, T_value>::
    set_maximum_value(T_value maximum)
{
  this->m_option_structure.max_value= (ulonglong)maximum;
  return (T_type*)this;
}


}
}
}
}

#endif
