class URI::Source

def build(gem_name:, gem_version:, path:, line_number:)
  super(
    {
      scheme: "source",
      host: gem_name,
      path: PARSER.escape("/#{gem_version}/#{path}"),
      fragment: line_number,
    }
  )
end

def check_host(v)
  return true unless v
  if /[A-Za-z][A-Za-z0-9\-_]*/ !~ v
    raise InvalidComponentError,
      "bad component(expected gem name): #{v}"
  end
  true
end

def set_path(v) # rubocop:disable Naming/AccessorMethodName
  return if v.nil?
  gem_version, path = v.delete_prefix("/").split("/", 2)
  @gem_version = gem_version #: String?
  @path = path #: String?
end

def to_s
  "source://#{gem_name}/#{gem_version}#{path}##{line_number}"
end