XML data

[Daniel]

Code:

require('socket.http')

forecast = {}

function parsetag(parser, tag, attributes)
  if tag == 'time' then
    table.insert(forecast, {})
  elseif tag == 'symbol' then
    forecast[ #forecast ].symbol = attributes.name
  elseif tag == 'precipitation' then
    forecast[ #forecast ].precipitation = attributes.value
  elseif tag == 'windDirection' then
    forecast[ #forecast ].wind_direction = attributes.code
  elseif tag == 'windSpeed' then
    forecast[ #forecast ].wind_speed = attributes.mps
  elseif tag == 'temperature' then
    forecast[ #forecast ].temperature = attributes.value
  elseif tag == 'pressure' then
    forecast[ #forecast ].pressure = attributes.value
  end
end

url = 'http://www.yr.no/place/United_Kingdom/England/Farnborough/varsel.xml'
data, err = socket.http.request(url)

if data then
  require('lxp').new({
    StartElement = parsetag
  }):parse(data)


  grp.update('Weather precipitation', tonumber(forecast[1].precipitation))
  grp.update('Weather symbol', forecast[1].symbol)
  grp.update('Weather windDirection', forecast[1].wind_direction)
  grp.update('Weather windSpeed', tonumber(forecast[1].wind_speed))
  grp.update('Weather temperature', tonumber(forecast[1].temperature))
  grp.update('Weather pressure', tonumber(forecast[1].pressure))

  --log(forecast)
 
else
  alert('Fetch failed: ' .. tostring(err))
end