mysql5/mysql-5.7.27/client/base/abstract_program.cc

164 lines
4.1 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
*/
#include "client_priv.h"
#include "abstract_program.h"
#include "my_default.h"
#include <algorithm>
using namespace Mysql::Tools::Base;
using std::string;
using std::vector;
extern const char *load_default_groups[];
my_bool Abstract_program::callback_option_parsed(
int optid,
const struct my_option *opt MY_ATTRIBUTE((unused)),
char *argument)
{
// Check if option uses My::Tools::Base::Options, and it should.
Options::I_option* app_type = (Options::I_option*)opt->app_type;
Options::I_option* option = dynamic_cast<Options::I_option*>(app_type);
if (option != NULL)
{
option->call_callbacks(argument);
}
return 0;
}
const string Abstract_program::get_name()
{
return this->m_name;
}
my_option* Abstract_program::get_options_array()
{
return &this->m_options[0];
}
Abstract_program::Abstract_program()
: m_debug_options(this),
m_help_options(this),
m_defaults_argv(NULL)
{
this->add_providers(&this->m_help_options, &this->m_debug_options, NULL);
}
void Abstract_program::run(int argc, char **argv)
{
vector<Options::I_options_provider*>::iterator it;
this->init_name(argv[0]);
MY_INIT(this->m_name.c_str());
this->aggregate_options();
my_getopt_use_args_separator= TRUE;
if (load_defaults("my",load_default_groups,&argc,&argv))
this->error(Message_data(
1, "Error during loading default options", Message_type_error));
my_getopt_use_args_separator= FALSE;
this->m_defaults_argv= argv;
int ho_error= handle_options(&argc, &argv, this->get_options_array(),
Abstract_program::callback_option_parsed);
if (ho_error != 0)
{
this->error(Message_data(
ho_error, "Error during handling options", Message_type_error));
}
// Let providers handle their parsed options.
this->options_parsed();
vector<string> positional_options;
for (; argc > 0; argc--, argv++)
{
positional_options.push_back(*argv);
}
// Execute main body of program.
int result= this->execute(positional_options);
exit(result);
}
Abstract_program::~Abstract_program()
{
if (this->m_defaults_argv)
{
free_defaults(this->m_defaults_argv);
}
}
void Abstract_program::init_name(char *name_from_cmd_line)
{
#if _WIN32
char* name;
char name_buf[FN_REFLEN];
if (GetModuleFileName(NULL, name_buf, FN_REFLEN) != 0)
{
name= name_buf;
}
else
{
name= name_from_cmd_line;
}
char drive[_MAX_DRIVE];
char dir[_MAX_DIR];
char fname[_MAX_FNAME];
char ext[_MAX_EXT];
_splitpath_s( name, drive, dir, fname, ext);
this->m_name= fname;
#else
string name= name_from_cmd_line;
this->m_name= name.substr( name.find_last_of( '/' ) +1 );
#endif
}
void Abstract_program::aggregate_options()
{
// Concatenate all available command line options.
this->m_options.clear();
this->m_options= this->generate_options();
// Sort by lexical order of long names.
std::sort(this->m_options.begin(), this->m_options.end(),
&Abstract_program::options_by_name_comparer);
// Adding sentinel, handle_options assume input as array with sentinel.
my_option sentinel=
{0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0};
this->m_options.push_back(sentinel);
}
bool Abstract_program::options_by_name_comparer(const my_option& a, const my_option& b)
{
if (strcmp(a.name, "help") == 0)
return true;
if (strcmp(b.name, "help") == 0)
return false;
return strcmp(a.name, b.name) < 0;
}