class RDoc::Task

def define
  desc "Build RDoc HTML files"
  task rdoc_task_name
  desc "Rebuild RDoc HTML files"
  task rerdoc_task_name => [clobber_task_name, rdoc_task_name]
  desc "Remove RDoc HTML files"
  task clobber_task_name do
    rm_r @rdoc_dir rescue nil
  end
  task :clobber => [clobber_task_name]
  directory @rdoc_dir
  rdoc_target_deps = [
    @rdoc_files,
    Rake.application.rakefile
  ].flatten.compact
  task rdoc_task_name => [rdoc_target]
  file rdoc_target => rdoc_target_deps do
    @before_running_rdoc.call if @before_running_rdoc
    args = option_list + @rdoc_files
    if Rake.application.options.trace then
      $stderr.puts "rdoc #{args.join ' '}"
    end
    require 'rdoc/rdoc'
    RDoc::RDoc.new.document(args)
  end
  self
end