class Middleman::Extensions::MinifyCss::Rack

def call(env)
  status, headers, response = @app.call(env)
  if inline_html_content?(env["PATH_INFO"])
    minified = ::Middleman::Util.extract_response_text(response)
    minified.gsub!(INLINE_CSS_REGEX) do |match|
      $1 << @compressor.compress($2) << $3
    end
    headers["Content-Length"] = ::Rack::Utils.bytesize(minified).to_s
    response = [minified]
  elsif standalone_css_content?(env["PATH_INFO"])
    minified_css = @compressor.compress(::Middleman::Util.extract_response_text(response))
    headers["Content-Length"] = ::Rack::Utils.bytesize(minified_css).to_s
    response = [minified_css]
  end
  [status, headers, response]
end

def initialize(app, options={})
  @app = app
  @compressor = options[:compressor]
  @ignore = options[:ignore]
  @inline = options[:inline]
end

def inline_html_content?(path)
  (path.end_with?('.html') || path.end_with?('.php')) && @inline
end

def standalone_css_content?(path)
  path.end_with?('.css') && @ignore.none? {|ignore| Middleman::Util.path_match(ignore, path) }
end