utils.hpp

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#pragma once
 
#include <algorithm>
#include <regex>
#include <stdexcept>
#include <string>
#include <utility>
#include <vector>
 
namespace foxglove_bridge {
 
inline std::pair<std::string, std::string> getNodeAndNodeNamespace(const std::string& fqnNodeName) {
  const std::size_t found = fqnNodeName.find_last_of("/");
  if (found == std::string::npos) {
    throw std::runtime_error("Invalid fully qualified node name: " + fqnNodeName);
  }
  return std::make_pair(fqnNodeName.substr(0, found), fqnNodeName.substr(found + 1));
}
 
inline std::string trimString(std::string& str) {
  constexpr char whitespaces[] = "\t\n\r ";
  str.erase(0, str.find_first_not_of(whitespaces));  // trim left
  str.erase(str.find_last_not_of(whitespaces) + 1);  // trim right
  return str;
}
 
inline std::vector<std::string> splitMessageDefinitions(std::istream& stream) {
  std::vector<std::string> definitions;
 
  std::string line = "";
  std::string definition = "";
 
  while (std::getline(stream, line)) {
    line = trimString(line);
    if (line == "---") {
      definitions.push_back(trimString(definition));
      definition = "";
    } else {
      definition += line + "\n";
    }
  }
 
  definitions.push_back(trimString(definition));
  return definitions;
}
 
}  // namespace foxglove_bridge