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

68 lines
1.7 KiB
C++

/*
Copyright (c) 2014, 2016, 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 HELP_OPTIONS_INCLUDED
#define HELP_OPTIONS_INCLUDED
#include "abstract_options_provider.h"
namespace Mysql{
namespace Tools{
namespace Base{
class Abtract_program;
namespace Options{
/**
Options provider providing --help option and handling usage printing.
*/
class Help_options : public Abstract_options_provider
{
public:
/**
Constructs new help options provider.
@param program Pointer to main program class, used to collect list of all
options available in program.
*/
Help_options(Base::Abstract_program *program);
/**
Creates all options that will be provided.
Implementation of Abstract_options_provider virtual method.
*/
virtual void create_options();
/**
Prints program usage message.
*/
virtual void print_usage();
private:
void help_callback(char* argument MY_ATTRIBUTE((unused)));
void version_callback(char* argument MY_ATTRIBUTE((unused)));
void print_version_line();
Abstract_program *m_program;
};
}
}
}
}
#endif