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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:
+ /**
+ * Destructor.
+ */
+ virtual ~ConfigListener();
+
+ /**
+ * Called when an option changed. The config listener will have to be
+ * registered to the option name first.
+ */
+ 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)
+ */
+ void write();
+
+ /**
+ * \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;
+
+ std::string configPath; /**< Location of config file */
+};
+
+#endif