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/*
* The Mana World
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World 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
* any later version.
*
* The Mana World 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 The Mana World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id$
*/
#ifndef __INIREAD_H
#define __INIREAD_H
#include <map>
#include <list>
#include <string>
/**
* The listener interface for receiving notifications about changes to
* configuration options.
*
* \ingroup CORE
*/
class ConfigListener
{
public:
virtual void optionChanged(const std::string &name) = 0;
};
/**
* INI configuration handler for reading (and writing).
*
* \ingroup CORE
*/
class Configuration {
public:
/**
* \brief Reads INI file and parse all options into memory.
* \param filename Full path to INI file (~/.manaworld/tmw.ini)
*/
void init(const std::string &filename);
/**
* \brief Writes the current settings back to an ini-file.
* \param filename Full path to INI file (~/.manaworld/tmw.ini)
*/
bool write(const std::string &filename);
/**
* \brief Sets an option using a string value.
* \param key Option identifier.
* \param value Value.
*/
void setValue(const std::string &key, std::string value);
/**
* \brief Sets an option using a numeric value.
* \param key Option identifier.
* \param value Value.
*/
void setValue(const std::string &key, float value);
/**
* \brief Gets a value as string.
* \param key Option identifier.
* \param deflt Default option if not there or error.
*/
std::string getValue(const std::string &key, std::string deflt);
/**
* \brief Gets a value as numeric (float).
* \param key Option identifier.
* \param deflt Default option if not there or error.
*/
float getValue(const std::string &key, float deflt);
/**
* Adds a listener to the listen list of the specified config option.
*/
void addListener(const std::string &key, ConfigListener *listener);
/**
* Removes a listener from the listen list of the specified config
* option.
*/
void removeListener(const std::string &key, ConfigListener *listener);
private:
std::map<std::string, std::string> options;
std::map<std::string, std::list<ConfigListener*> > listeners;
};
#endif
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