abstract_integer_number_option.h

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/*
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License, version 2.0, for more details.
 
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   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 "client/base/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.
   */
  T_type *set_minimum_value(T_value minimum) override;
  /**
    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.
   */
  T_type *set_maximum_value(T_value maximum) override;
 
 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 description 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;
}
 
}  // namespace Options
}  // namespace Base
}  // namespace Tools
}  // namespace Mysql
 
#endif