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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2010 Monty Taylor
*
* 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
*/
/**
* @file
* @brief An Proxy Wrapper around boost::program_options::variables_map
*/
#ifndef DRIZZLED_MODULE_OPTION_MAP_H
#define DRIZZLED_MODULE_OPTION_MAP_H
#include <drizzled/visibility.h>
#include <drizzled/module/option_context.h>
#include <boost/program_options.hpp>
#include <string>
namespace drizzled
{
namespace module
{
/**
* Options proxy wrapper. Provides pre-pending of module name to each option
* which is added.
*/
class DRIZZLED_API option_map
{
const std::string &module_name;
public:
const boost::program_options::variables_map &vm;
option_map(const std::string &module_name_in,
const boost::program_options::variables_map &vm_in);
option_map(const option_map &old);
const boost::program_options::variable_value& operator[](const std::string &name_in) const
{
return vm[option_context::prepend_name(module_name, name_in.c_str())];
}
size_t count(const std::string &name_in) const
{
return vm.count(option_context::prepend_name(module_name, name_in.c_str()));
}
private:
/**
* Don't allow default construction.
*/
option_map();
/**
* Don't allow assignment of objects.
*/
option_map& operator=(const option_map &);
};
} /* namespace module */
} /* namespace drizzled */
#endif /* DRIZZLED_MODULE_OPTION_MAP_H */
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