gistfile1.rbx

require 'cgi'
require 'rubygems'
require 'hpricot'
require 'open-uri'

cgi = CGI.new
print cgi.header('type' => 'text/xml')

doc = Hpricot(open('http://www.apple.com/retail/sanfrancisco/'))

parameters = DocParser::url_parameters(doc).merge({
  'appid' => 'tCa4.fDV34GcXMnIbz5dWxSZWjSWsMXIQSqiVVBFb55nTKX1RFLqYyuM677Jz2vK'
})

parameters = '?' + parameters.map do |key, value|
  "#{CGI::escape(key)}=#{CGI::escape(value)}"
end.join('&')

Net::HTTP.get_print 'local.yahooapis.com', '/MapsService/V1/mapImage' + parameters

module DocParser
  def url_parameters(doc)
    addresses = doc / '.vcard .adr'
    addresses.each do |address|
      if zip = (address / '.postal-code').first
        params = {'zip' => zip.innerHTML}
        if street = (address / '.street-address').first
          params['street'] = street.innerHTML
        end
        return params
      elsif state = (address / '.region').first
        params = {'state' => state.innerHTML}
        if city = (address / '.locality').first
          params['city'] = city.innerHTML
        end
        if street = (address / '.street-address').first
          params['street'] = street.innerHTML
        end
        return params
      end
    end
  end
end