132 lines
3.2 KiB
C++
132 lines
3.2 KiB
C++
/*
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Copyright (c) 2014, 2016 Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef ABSTRACT_PROGRAM_INCLUDED
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#define ABSTRACT_PROGRAM_INCLUDED
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#include <string>
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#include "i_options_provider.h"
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#include "composite_options_provider.h"
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#include "debug_options.h"
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#include "help_options.h"
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#include "message_data.h"
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namespace Mysql{
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namespace Tools{
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namespace Base{
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/**
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Base class for all MySQL client tools.
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*/
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class Abstract_program : public Options::Composite_options_provider
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{
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public:
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virtual ~Abstract_program();
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/**
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Returns null-terminated string with name of current program.
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*/
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const std::string get_name();
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/**
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Returns pointer to array of options for usage in handle_options.
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Array has empty sentinel at the end, as handle_options expects.
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*/
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my_option* get_options_array();
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/**
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Does all initialization and exit work, calls execute().
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*/
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void run(int argc, char **argv);
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/**
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Returns string describing current version of this program.
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*/
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virtual std::string get_version()= 0;
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/**
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Returns year of first release of this program.
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*/
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virtual int get_first_release_year()= 0;
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/**
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Returns string describing shortly current program
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*/
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virtual std::string get_description()= 0;
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/**
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Handles general errors.
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*/
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virtual void error(const Message_data& message)= 0;
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/**
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Runs main program code.
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*/
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virtual int execute(std::vector<std::string> positional_options)= 0;
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/**
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Prints program invocation message.
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*/
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virtual void short_usage()= 0;
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/**
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Return error code
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*/
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virtual int get_error_code()= 0;
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protected:
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Abstract_program();
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private:
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/**
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Initializes program name.
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*/
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void init_name(char *name_from_cmd_line);
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/**
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Gathers all options from option providers and save in array to be used in
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my_getopt functionality.
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*/
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void aggregate_options();
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/**
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Compares option structures by long name. Keeps --help first.
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*/
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static bool options_by_name_comparer(const my_option& a, const my_option& b);
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/*
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Redirects call to option_parsed of main Abstract_program instance.
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If we have anonymous functions or binding this should be removed.
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*/
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static my_bool callback_option_parsed(int optid,
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const struct my_option *opt MY_ATTRIBUTE((unused)),
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char *argument);
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Options::Debug_options m_debug_options;
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Options::Help_options m_help_options;
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std::vector<my_option> m_options;
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char **m_defaults_argv;
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std::string m_name;
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friend class Abstract_connection_program;
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};
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}
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}
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}
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#endif
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