DbcMessage.cpp

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#include "DbcMessage.hpp"

#include <istream>
#include <limits>
#include <algorithm>

std::istream& operator>>(std::istream& in, Message& msg) {
  // Check if we are actually reading a Message otherwise fail the stream
  std::string preamble;
  in >> preamble;
  if (preamble != "BO_") {
    in.setstate(std::ios_base::failbit);
    return in;
  }

  // Parse the message ID
  in >> msg.id;

  // Parse the name of the Message
  std::string name;
  in >> name;
  msg.name = name.substr(0, name.length() - 1);

  // Parse the Messages length
  in >> msg.dlc;

  // Parse the sender;
  in >> msg.from;

  // As long as there is a Signal, parse the Signal
  in.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
  while (in) {
    Signal sig;
    in >> sig;
    if (in && !in.fail()) {
      msg.signals.push_back(sig);
    }
  }

  in.clear();
  return in;
}


std::set<std::string> Message::getTo() const {
  std::set<std::string> collection;
  for (size_t i = 0; i < signals.size(); i++) {
    collection.insert(signals[i].getTo().begin(), signals[i].getTo().end());
  }
  return collection;
}