mysql5/mysql-5.7.27/client/base/abstract_integer_number_option.h

123 lines
3.7 KiB
C++

/*
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 as published by
the Free Software Foundation; version 2 of the License.
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 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