/*
 * This file is a part of Winix
 * and is not publicly distributed
 * 
 * Copyright (c) 2008-2010, Tomasz Sowa
 * All rights reserved.
 * 
 */
 
#ifndef headerfileconfparser
#define headerfileconfparser

#include <fstream>
#include <string>
#include <map>


class ConfParser
{
public:

	enum Status { ok, cant_open_file, syntax_error };

	ConfParser();
	Status Parse(const char * file_name);


	// last status	
	Status status;
	
	// line in which there is a syntax_error
	int line;

	typedef std::map<std::string, std::string> Table;
	Table table;

private:

	// last read variable, value
	std::string variable, value;

	// separator between a variable and a value, usually '='
	int separator;	

	// commentary char
	int commentary;

	// last read char
	int lastc;

	// current file
	std::ifstream file;


	Status ParseFile();

	bool IsVariableChar(int c);
	bool IsValueSimpleChar(int c);
	
	bool ReadVariable();
	bool ReadValue();
	bool ReadValueQuoted();
	bool ReadValueSimple();
	
	int  ReadChar();
	bool IsWhite(int c);
	void SkipWhite();
	void SkipLine();
	void Trim(std::string & s);	
};



#endif