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// config_data.cc
// marvin - programme du robot 2006. {{{
//
// Copyright (C) 2006 Nicolas Schodet
//
// Robot APB Team/Efrei 2006.
//        Web: http://assos.efrei.fr/robot/
//      Email: robot AT efrei DOT fr
//
// 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; either version 2 of the License, or
// (at your option) any later version.
// 
// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// }}}
#include "config.hh"
#include "config_data.hh"
#include "config_parser.hh"

#include <stdexcept>

/// Constructeur. Traite les arguments de la ligne de commande et lit le
/// fichier de configuration. Les arguments trait�s sont retir� de la
/// ligne de commande.
ConfigData::ConfigData (int &argc, char **&argv)
{
    init (argc, argv, "rc/config");
}

/// Constructeur. Fourni en plus un fichier de configuration diff�rent de
/// celui par d�faut.
ConfigData::ConfigData (int &argc, char **&argv, const std::string &file)
{
    init (argc, argv, file);
}

/// R�cup�re une valeur de configuration.
const any &
ConfigData::get (const std::string &id) const
{
    Data::const_iterator i = data_.find (id);
    if (i == data_.end ())
	throw std::runtime_error (id + ": config item not found");
    return i->second;
}

/// Ajoute une valeur de configuration. VAL prend l'ancienne valeur ou un any
/// vide.
void
ConfigData::add (const std::string &id, any &val)
{
    any &a = data_[id];
    a.swap (val);
}

/// Initialise (lit la ligne de commande et les fichiers de config.
void
ConfigData::init (int &argc, char **&argv, const std::string &file)
{
    ConfigParser p (*this);
    p.parseFile (file);
}