class WWW::Mechanize::Form

def parse
  @fields       = WWW::Mechanize::List.new
  @buttons      = WWW::Mechanize::List.new
  @file_uploads = WWW::Mechanize::List.new
  @radiobuttons = WWW::Mechanize::List.new
  @checkboxes   = WWW::Mechanize::List.new
  # Find all input tags
  form_node.search('input').each do |node|
    type = (node['type'] || 'text').downcase
    name = node['name']
    next if name.nil? && !(type == 'submit' || type =='button')
    case type
    when 'radio'
      @radiobuttons << RadioButton.new(node['name'], node['value'], !!node['checked'], self)
    when 'checkbox'
      @checkboxes << CheckBox.new(node['name'], node['value'], !!node['checked'], self)
    when 'file'
      @file_uploads << FileUpload.new(node['name'], nil) 
    when 'submit'
      @buttons << Button.new(node['name'], node['value'])
    when 'button'
      @buttons << Button.new(node['name'], node['value'])
    when 'image'
      @buttons << ImageButton.new(node['name'], node['value'])
    else
      @fields << Field.new(node['name'], node['value'] || '') 
    end
  end
  # Find all textarea tags
  form_node.search('textarea').each do |node|
    next if node['name'].nil?
    @fields << Field.new(node['name'], node.inner_text)
  end
  # Find all select tags
  form_node.search('select').each do |node|
    next if node['name'].nil?
    if node.has_attribute? 'multiple'
      @fields << MultiSelectList.new(node['name'], node)
    else
      @fields << SelectList.new(node['name'], node)
    end
  end
  # Find all submit button tags
  # FIXME: what can I do with the reset buttons?
  form_node.search('button').each do |node|
    type = (node['type'] || 'submit').downcase
    next if type == 'reset'
    @buttons << Button.new(node['name'], node['value'])
  end
end