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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 options_description_easy_init
*/
#ifndef DRIZZLED_MODULE_OPTION_CONTEXT_H
#define DRIZZLED_MODULE_OPTION_CONTEXT_H
#include "drizzled/visibility.h"
#include <boost/program_options.hpp>
#include <string>
namespace drizzled
{
namespace module
{
namespace po=boost::program_options;
/**
* Options proxy wrapper. Provides pre-pending of module name to each option
* which is added.
*/
class DRIZZLED_API option_context
{
const std::string &module_name;
po::options_description_easy_init po_options;
std::string prepend_name(const char *name) const;
public:
option_context(const std::string &module_name_in,
po::options_description_easy_init po_options_in);
option_context& operator()(const char* name,
const char* description);
option_context& operator()(const char* name,
const po::value_semantic* s);
option_context& operator()(const char* name,
const po::value_semantic* s,
const char* description);
private:
/**
* Don't allow default construction.
*/
option_context();
/**
* Don't allow copying of objects.
*/
option_context(const option_context &);
/**
* Don't allow assignment of objects.
*/
option_context& operator=(const option_context &);
};
/*
* Private methods.
*/
inline std::string option_context::prepend_name(const char *name_in) const
{
std::string new_name(module_name);
new_name.push_back('.');
new_name.append(name_in);
return new_name;
}
} /* namespace module */
} /* namespace drizzled */
#endif /* DRIZZLED_MODULE_OPTION_CONTEXT_H */
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