ipboard_skin_unarchiver.rb

#!/usr/bin/ruby

require 'rubygems'
require 'nokogiri'
require 'ftools'
require 'base64'

HG_PATH = '/usr/local/bin/hg'

def clean_up(dirpath)
  if File.exist?(dirpath) && File.directory?(dirpath)
    Dir.chdir(dirpath)
    FileUtils.rm_r Dir.glob("{*.{xml,css,html,.gz},skin_*}")
  else
    Dir.mkdir(dirpath)
    Dir.chdir(dirpath)

    `#{HG_PATH} init`
  end
end

def extract_file(node)
  name = node.css('filename').text
  content = Base64.decode64(node.css('content').text)

  case name.gsub(/ipb_(.*).xml/, '\1')
  when "css"
    extract_css_or_wrapper('css', 'style.css', content)
  when "templates"
    extract_templates(content)
  when "wrapper"
    extract_css_or_wrapper('wrapper', 'wrapper.html', content)
  else
    File.open(name, "w+") do |out_file|
      out_file.write(content)
    end
  end
end

def extract_css_or_wrapper(prefix, filename, content)
  doc = Nokogiri.XML(content)

  doc.css("#{prefix}export #{prefix}group #{prefix} #{prefix}content").each do |node|
    File.open(filename, "w+") do |out_file|
      out_file.write(node.text)
    end
  end
end

def extract_templates(content)
  doc = Nokogiri.XML(content)

  doc.css("templateexport templategroup template").each do |node|
    extract_template(node)
  end
end

def extract_template(node)
  dir_name = node.css('group_name').text

  if ! File.exist?(dir_name)
    Dir.mkdir(dir_name)
  end

  name = node.css('func_name').text
  content = node.css('section_content').text

  File.open("#{dir_name}/#{name}.html", "w+") do |out_file|
    out_file.write(content)
  end
end

path = ARGV[0]
if path == nil
  path = "/Users/chucker/Downloads/23-04-2010/ipb_skin-mystcommun.xml"
end

dirpath = path + '_Files'

clean_up(dirpath)

File.open(path) do |in_file|
  doc = Nokogiri.XML(in_file)

  doc.css('xmlarchive fileset file').each {|node| extract_file(node)}
end

File.copy(path, dirpath)
system('gzip', '-f', "#{dirpath}/#{File.basename(path)}")
`#{HG_PATH} addremove`