class Diffy::HtmlFormatter

def wrap_line(line)
  cleaned = clean_line(line)
  case line
  when /^(---|\+\+\+|\\\\)/
    '    <li class="diff-comment"><span>' + line.chomp + '</span></li>'
  when /^\+/
    '    <li class="ins"><ins>' + cleaned + '</ins></li>'
  when /^-/
    '    <li class="del"><del>' + cleaned + '</del></li>'
  when /^ /
    '    <li class="unchanged"><span>' + cleaned + '</span></li>'
  when /^@@/
    '    <li class="diff-block-info"><span>' + line.chomp + '</span></li>'
  end
end