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

88 lines
2.4 KiB
C++

/*
Copyright (c) 2001, 2014, 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 <vector>
#include "composite_options_provider.h"
#include "i_options_provider.h"
using std::vector;
using namespace Mysql::Tools::Base::Options;
void Composite_options_provider::add_providers(
I_options_provider* first, ...)
{
DBUG_ASSERT(this->m_options_providers.size() == 0);
va_list options_to_add;
va_start(options_to_add, first);
this->add_provider(first);
for (;;)
{
Options::I_options_provider* options_provider=
va_arg(options_to_add, I_options_provider*);
if (options_provider == NULL)
{
break;
}
this->add_provider(options_provider);
}
va_end(options_to_add);
}
void Composite_options_provider::add_provider(
I_options_provider* options_provider)
{
this->m_options_providers.push_back(options_provider);
options_provider->set_option_changed_listener(this);
}
void Composite_options_provider::options_parsed()
{
vector<I_options_provider*>::iterator it;
for (it= this->m_options_providers.begin();
it != this->m_options_providers.end();
it++)
{
(*it)->options_parsed();
}
}
vector<my_option> Composite_options_provider::generate_options()
{
vector<my_option> result;
// Add options for all children providers.
vector<I_options_provider*>::iterator it;
for (it= this->m_options_providers.begin();
it != this->m_options_providers.end();
it++)
{
vector<my_option> new_options= (*it)->generate_options();
result.insert(result.end(), new_options.begin(), new_options.end());
}
// Add options from this provider.
vector<my_option> new_options= Abstract_options_provider::generate_options();
result.insert(result.end(), new_options.begin(), new_options.end());
return result;
}