a simple converter of table markuped as html to wikitable on mediawiki

table2wikitable.rb

#!/usr/bin/env ruby
# encoding: utf-8

require 'nokogiri'

@doc = Nokogiri::HTML::DocumentFragment.parse <<-EOHTML
<table></table>
EOHTML

@tables = @doc.xpath("table")
@tables.each do |table|
  ret = ""

  ret += "{|\n"
  table.xpath("*").each do |e|
    case e.name
    when "caption"
      ret += "|+ " + e.content + "\n"
    when "tr"
      ret += "|-\n"
      first = true
      e.xpath("*").each do |e2|
        case e2.name
        when "th"
          ret += "\n" unless first
          ret += "! " + e2.content + "\n"
          first = true
        when "td"
          ret += "|" if first
          style = e2.attributes['style'] ? " style=\"#{e2.attributes['style']}\" " : ""
          ret += "#{style}| " + e2.content + " "
          first = false
        end
      end
      ret += "\n"
    end
  end
  ret += "|}\n"

  puts ret
end