/**
 * EQEmulator: Everquest Server Emulator
 * Copyright (C) 2001-2019 EQEmulator Development Team (https://github.com/EQEmu/Server)
 *
 * 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 except by those people which sell it, which
 * are required to give you total support for your newly bought product;
 * 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
 *
 */

#ifndef EQEMU_CONFIG_H
#define EQEMU_CONFIG_H

#include <stdio.h>
#include <list>
#include <map>
#include <string>

/**
 * Keeps track of all the configuration for the application with a small parser.
 * Note: This is not a thread safe class, but only parse writes to variables in the class.
 * Thus making it mostly safe so long as you're careful with where you call Parse()
 */
class Config
{
public:
	Config() { }
	~Config() { }

	/**
	* Parses the selected file for variables, will clear current variables if selected.
	*/
	virtual void Parse(const char *file_name);

	/**
	* Gets a variable if it exists.
	*/
	std::string GetVariable(std::string title, std::string parameter);

protected:
	std::map<std::string, std::map<std::string, std::string> > vars;

private:
	/**
	* Breaks our input up into tokens for Parse().
	* This is private because it's not intended to be overloaded by a derived class which
	* may get it's input from other places than a C file pointer. (a http get request for example).
	* The programmer of a derived class would be expected to make their own Tokenize function for their own Parse().
	*/
	void Tokenize(FILE* input, std::list<std::string> &tokens);
};

#endif