eliot/game/settings.h

86 lines
2.4 KiB
C++

/*****************************************************************************
* Eliot
* Copyright (C) 2007-2012 Olivier Teulière
* Authors: Olivier Teulière <ipkiss @@ gmail.com>
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*****************************************************************************/
#ifndef SETTINGS_H_
#define SETTINGS_H_
#include <string>
#include <map>
#include "logging.h"
using std::string;
using std::map;
namespace libconfig
{
class Config;
}
/**
* This class centralizes the various configuration options of Eliot.
* It implements the Singleton pattern.
*
* Currently, there are few settings, and their initial value is hard-coded.
* It is possible to load/save the settings from/to a configuration file.
* In a later phase, it should be possible to override configuration
* settings with settings given on the command-line (TODO).
*/
class Settings
{
DEFINE_LOGGER();
public:
/// Access to the singleton
static Settings& Instance();
/// Destroy the singleton cleanly
static void Destroy();
/// Return the config file directory, with a '/' (or '\') appended to it
static string GetConfigFileDir();
~Settings();
/// Save the current value of the settings to a configuration file
void save() const;
void setBool(const string &iName, bool iValue);
bool getBool(const string &iName) const;
void setInt(const string &iName, int iValue);
int getInt(const string &iName) const;
private:
/// Singleton instance
static Settings *m_instance;
Settings();
/// Name of the file used to store the settings
string m_fileName;
libconfig::Config *m_conf;
template<class T>
void setValue(const string &iName, T iValue);
};
#endif