#!/usr/bin/env ruby
require "rexml/document"
require "rexml/encoding"
require "time"
include REXML    # so that we don't have to prefix everything
                 # with REXML::...

doc = Document.new

doc.add(XMLDecl.new(version="1.0", encoding="UTF-8"))
doc.add(gpx = Element.new("gpx"))
gpx.add_attributes("xmlns" => "http://www.topografix.com/GPX/1/1")
trk = gpx.add_element("trk", "name"=>"Track Log")
tseg = trk.add_element("trkseg")

=begin
# yyyy-mm-dd,hh:mm:ss,lat,lon,[alt],[start]
2010-03-28,07:41:04,38.748604,139.769455,start
=end
while line=gets
  if /^(\d{4}-\d\d-\d\d,\s*\d\d:\d\d:\d\d),\s*([-0-9.]+),\s*([-0-9.]+)/ =~ line
    tm, lat, lon = Time.parse($1).localtime, $2, $3
    trkpt = tseg.add_element("trkpt", {"lat" => lat, "lon" => lon})
    trkpt.add(Element.new("time").add_text(tm.to_s))
  end
end
print doc