parseitems.rb

#!/usr/bin/env ruby

require 'rubygems'
require 'rexml/document'
require 'trollop'

@options = Trollop::options do
   version "parseitems.rb 0.1 (c) 2010 Sven Pfleiderer"
   banner <<-EOS
This is a simple, script which takes an xml file with items and generates a wiki table with the given content

 Usage:

parseitems.rb -i <filename>
   EOS
   opt :input,    "Input file", :type => String
end

if (@options[:input].nil? or !File.exist?(@options[:input]))
   Trollop::die "must specify an existant input file"
end

def parse_items(document)
  items = Array.new
  REXML::XPath.each(document, "//item[@id]") do |fe|
    items << fe
  end
  items 
end

def read_items
  begin
    item_file = File.read(@options[:input])
    item_document = REXML::Document.new(item_file)
    items = parse_items(item_document)
  rescue NoMethodError
    puts "File #{@options[:input]} could not be parsed!"
  rescue
    puts "File #{@options[:input]} not found!"
  end
  return items if items
end

# |[[url|id]]|owner|desc|usage|deadline|public|
read_items.each do |item|
  att = item.attributes
  puts "|[[http://xt3.fourtyone.org/~xt3/shack/small_#{att['id']}.JPG|#{att['id']}]]|#{att['owner'] or "n/a"}|#{att['desc'] or "n/a"}|#{att['usage'] or "n/a"}|#{att['deadline'] or "n/a"}|#{att['public'] or "n/a"}|"
end