~drizzle-trunk/drizzle/development

/* -*- 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

 */

#include <config.h>

#include "option_context.h"

namespace drizzled

{

namespace module

{

option_context::option_context(const std::string &module_name_in,

                               po::options_description_easy_init po_options_in) :

  module_name(module_name_in),

  po_options(po_options_in)

{ }

option_context& option_context::operator()(const char* name,

                                           const char* description)

{

  const std::string new_name(prepend_name(module_name, name));

  po_options(new_name.c_str(), description);

  return *this;

}

option_context& option_context::operator()(const char* name,

                                           const po::value_semantic* s)

{

  const std::string new_name(prepend_name(module_name, name));

  po_options(new_name.c_str(), s);

  return *this;

}

option_context& option_context::operator()(const char* name,

                             const po::value_semantic* s,

                             const char* description)

{

  const std::string new_name(prepend_name(module_name, name));

  po_options(new_name.c_str(), s, description);

  return *this;

}

namespace

{

class SwapUnderscores

{

public:

  char operator()(char a) const

  {

    if (a == '_')

      return '-';

    return a;

  }

};

} /* namespace */

/*

 * Private methods.

 */

std::string option_context::prepend_name(std::string in_module_name,

                                         const char *name_in)

{

  in_module_name.push_back('.');

  std::transform(in_module_name.begin(), in_module_name.end(),

                 in_module_name.begin(), SwapUnderscores());

  std::transform(in_module_name.begin(), in_module_name.end(),

                 in_module_name.begin(), ::tolower);

  in_module_name.append(name_in);

  return in_module_name;

}

} /* namespace module */

} /* namespace drizzled */