class NSWTopo::GPS

def self.load(path)
  new(path).collection
end

def initialize(path)
  @xml = REXML::Document.new(path.read)
  case
  when @xml.elements["/gpx"] then extend GPX
  when @xml.elements["/kml"] then extend KML
  else
    raise "invalid GPX or KML file: #{path}"
  end
rescue SystemCallError
  raise "couldn't read file: #{path}"
end