Method ParseFullName

tensorflow/core/util/device_name_utils.cc:114–185

}  // anonymous namespace

bool DeviceNameUtils::ParseFullName(StringPiece fullname, ParsedName* p) {
  p->Clear();
  if (fullname == "/") {
    return true;
  }
  while (!fullname.empty()) {
    bool progress = false;
    if (absl::ConsumePrefix(&fullname, "/job:")) {
      p->has_job = !absl::ConsumePrefix(&fullname, "*");
      if (p->has_job && !ConsumeJobName(&fullname, &p->job)) {
        return false;
      }
      progress = true;
    }
    if (absl::ConsumePrefix(&fullname, "/replica:")) {
      p->has_replica = !absl::ConsumePrefix(&fullname, "*");
      if (p->has_replica && !ConsumeNumber(&fullname, &p->replica)) {
        return false;
      }
      progress = true;
    }
    if (absl::ConsumePrefix(&fullname, "/task:")) {
      p->has_task = !absl::ConsumePrefix(&fullname, "*");
      if (p->has_task && !ConsumeNumber(&fullname, &p->task)) {
        return false;
      }
      progress = true;
    }
    if (absl::ConsumePrefix(&fullname, "/device:")) {
      p->has_type = !absl::ConsumePrefix(&fullname, "*");
      if (p->has_type && !ConsumeDeviceType(&fullname, &p->type)) {
        return false;
      }
      if (!absl::ConsumePrefix(&fullname, ":")) {
        p->has_id = false;
      } else {
        p->has_id = !absl::ConsumePrefix(&fullname, "*");
        if (p->has_id && !ConsumeNumber(&fullname, &p->id)) {
          return false;
        }
      }
      progress = true;
    }

    // Handle legacy naming convention for cpu and gpu.
    if (absl::ConsumePrefix(&fullname, "/cpu:") ||
        absl::ConsumePrefix(&fullname, "/CPU:")) {
      p->has_type = true;
      p->type = "CPU";  // Treat '/cpu:..' as uppercase '/device:CPU:...'
      p->has_id = !absl::ConsumePrefix(&fullname, "*");
      if (p->has_id && !ConsumeNumber(&fullname, &p->id)) {
        return false;
      }
      progress = true;
    }
    if (absl::ConsumePrefix(&fullname, "/gpu:") ||
        absl::ConsumePrefix(&fullname, "/GPU:")) {
      p->has_type = true;