Function parse

src/http.cpp:739–772

namespace path {

Try<hashmap<string, string>> parse(const string& pattern, const string& path)
{
  // Split the pattern by '/' into keys.
  vector<string> keys = strings::tokenize(pattern, "/");

  // Split the path by '/' into segments.
  vector<string> segments = strings::tokenize(path, "/");

  hashmap<string, string> result;

  while (!segments.empty()) {
    if (keys.empty()) {
      return Error(
          "Not expecting suffix '" + strings::join("/", segments) + "'");
    }

    string key = keys.front();

    if (strings::startsWith(key, "{") &&
        strings::endsWith(key, "}")) {
      key = strings::remove(key, "{", strings::PREFIX);
      key = strings::remove(key, "}", strings::SUFFIX);
    } else if (key != segments.front()) {
      return Error("Expecting '" + key + "' not '" + segments.front() + "'");
    }

    result[key] = segments.front();

    keys.erase(keys.begin());
    segments.erase(segments.begin());
  }

  return result;
}

} // namespace path {