Method ReadFromFile

cvmfs/uid_map.h:127–168

 protected:
  bool ReadFromFile(const std::string &path) {
    FILE *fmap = fopen(path.c_str(), "r");
    if (!fmap) {
      LogCvmfs(kLogUtility, kLogDebug, "failed to open %s (errno: %d)",
               path.c_str(), errno);
      return false;
    }

    const sanitizer::IntegerSanitizer int_sanitizer;

    std::string line;
    unsigned int line_number = 0;
    while (GetLineFile(fmap, &line)) {
      ++line_number;
      line = Trim(line);
      if (line.empty() || line[0] == '#') {
        continue;
      }

      std::vector<std::string> components = SplitString(line, ' ');
      FilterEmptyStrings(&components);
      if (components.size() != 2 || !int_sanitizer.IsValid(components[1])
          || (components[0] != "*" && !int_sanitizer.IsValid(components[0]))) {
        fclose(fmap);
        LogCvmfs(kLogUtility, kLogDebug, "failed to read line %d in %s",
                 line_number, path.c_str());
        return false;
      }

      value_type const to = String2Uint64(components[1]);
      if (components[0] == "*") {
        SetDefault(to);
        continue;
      }

      key_type const from = String2Uint64(components[0]);
      Set(from, to);
    }

    fclose(fmap);
    return true;
  }

  void FilterEmptyStrings(std::vector<std::string> *vec) const {
    std::vector<std::string>::iterator i = vec->begin();