// description of your code here

#!/usr/bin/evn ruby
## to run this you call run_amazon_import(datafile) with dataflie = a file to open for parsing, which later is opened based on:
## ("#{RAILS_ROOT}/data/" + datafile + ".xml")
## This is hard coded to look at Item elements, and in this example
## parses out the ASIN as @@product_id and ItemAttributes/Title as @@name
## see check_position_space(name,ch)

require 'xml/saxdriver'
@flag_item  = false

  @@finaldata = []
  @@vars = []
  @@positionSpace = []
  @@currentName = []
def reset_vals
  @@product_id = nil
  @@name = nil
end
def check_position_space(name,ch)
  # with each value within item we check to see if the
  # @@positionSpace (a concatenation of each value's name
  # equals the value we are looking for, if so put it in a global 
  # variable
  if @@positionSpace == 'ASIN'
    @@product_id =  ch
  elsif @@positionSpace == 'ItemAttributesTitle'
        # if I did this again, I would name @@positionSpace
        # with / between names in startElement so it would be simlar to other 
        # ruby xml naming schems so:
        # @@positionSpace == 'ItemAttributesTitle' would be:
        # @@positionSpace == 'ItemAttributes/Title'
        @@name = ch
  end
end

class TestHandler < XML::SAX::HandlerBase
  attr_accessor :data
  def startDocument
    @@data = []
  end
  def startElement(name, attr)
    @flag_item = true if name == 'Item'
    @@positionSpace = '' if name == 'Item'
    if @flag_item == true and name != 'Item'
        @@positionSpace = @@positionSpace + name
    elsif name == 'Item'
      reset_vals
    end
    @@currentName = name
  end
  def endElement(name)
    if @flag_item == true and name != 'Item'
        lenName = name.length
        @@positionSpace = @@positionSpace[0, @@positionSpace.length - lenName]
    end
    if name == 'Item'
      @@finaldata  << @@data.to_s
      @@data = []
          ## Here I would have a fully parsed Item and do something with it
    end
    @flag_item = false if name == 'Item'
  end
  def characters(ch, start, length)
    check_position_space(@@currentName, ch[start, length])
  end
end

def run_amazon_import(datafile)
  @@datafile = datafile
  p = XML::SAX::Helpers::ParserFactory.makeParser("XML::Parser::SAXDriver")
  h = TestHandler.new
  p.setDocumentHandler(h)
  p.setDTDHandler(h)
  p.setEntityResolver(h)
  p.setErrorHandler(h)

  begin
    p.parse("#{RAILS_ROOT}/data/" + datafile + ".xml")
  rescue XML::SAX::SAXParseException
    p(["ParseError", $!.getSystemId, $!.getLineNumber, $!.getMessage])
  end
end

Very good for summer - from my site: http://iolaire.net/current_site/blog.php/archives/2004/08/03/a-very-good-recipe-watermelon-gazpacho/

Watermelon Gazpacho
* 1 Seedless Watermelon, dice small
* 4 Cucumbers, seeded, dice small
* 4 Celery stalks, dice small
* 2 Red Peppers, dice small
* 2 Green Bell Peppers, dice small
* 1 Red Onion, dice small
* 1 Bunch Green Onion, sliced
* 1 Bunch Cilantro, chopped
* 3 oz Olive Oil
* 3 oz Sherry Vinegar
* 2 oz Cayenne Pepper
* 2 oz Cumin

Mix all ingredients together and chill for two or more hours before serving.

Remember that you are having fun and trying to make something that tastes good, thus modify recipe as needed.