message.hpp

/*
 * message.hpp
 *
 *  Created on: 04.10.2013
 *      Author: downtimes
 *  Modified : 05.21.2020
 * 		Author: Yunjin
 */

#ifndef MESSAGE_HPP_
#define MESSAGE_HPP_

#include <string>
#include <vector>
#include <iosfwd>
#include <cstdint>
#include <set>
#include <unordered_map>
#include "signal.hpp"

/**
 * Class representing a Message in the DBC-File. It allows its user to query
 * Data and to iterate over the Signals contained in the Message
 */class Message {

	typedef std::vector<Signal> signals_t;
	//Name of the Message
	std::string name;
	//The CAN-ID assigned to this specific Message
	std::uint32_t id;
	//The length of this message in Bytes. Allowed values are between 0 and 8
	std::size_t dlc;
	//String containing the name of the Sender of this Message if one exists in the DB
	std::string from;
	//List containing all Signals which are present in this Message
	signals_t signals;

	std::unordered_map<std::string, double> sigvalue;

public:
	typedef signals_t::const_iterator const_iterator;
	//Overload of operator>> to enable parsing of Messages from streams of DBC-Files
	friend std::istream& operator>>(std::istream& in, Message& msg);

	//Getter functions for all the possible Data one can request from a Message
	std::string getName() const { return name; }
	std::uint32_t getId() const { return id; }
	std::size_t getDlc() const { return dlc; }
	std::string getFrom() const { return from; }
	std::set<std::string> getTo() const;

	/*
	 * Functionality to access the Signals contained in this Message
	 * either via the iterators provided by begin() and end() or by
	 * random access operator[]
	 */
	const_iterator begin() const { return signals.begin(); }
	const_iterator end() const { return signals.end(); }
	signals_t::const_reference operator[](std::size_t elem) {
		return signals[elem];
	}

	std::unordered_map<std::string, double> decode(uint64_t payload); 
	// 디코딩딩시 변환 하므로, 밸류로 받을것

};

#endif /* MESSAGE_HPP_ */