Load, parse and cascade CSS rule sets in Ruby.

SetupInstall the gem from Ruby Forge.

gem install css_parserDone.

An example require 'css_parser'
include CssParser

parser = CssParser::Parser.new
  parser.load_file!('http://example.com/styles/style.css')

1. lookup a rule by a selector
   parser.find('#content')
   #=> 'font-size: 13px; line-height: 1.2;'

1. lookup a rule by a selector and media type
   parser.find('#content', [:screen, :handheld])

1. iterate through selectors by media type
   parser.each_selector(:screen) do |selector, declarations, specificity|
   ...
   end

1. add a block of CSS
   css = < #content { font-size: 13px; line-height: 1.2; }
   body { margin: 0 1em; }TestingYou can run the suite of unit tests using rake test.

The download/import tests require that WEBrick is installed. The tests set up a temporary server on port 12000 and pull down files from the test/fixtures/ directory.

Credits and codeBy Alex Dunae (dunae.ca, e-mail code at dunae dot ca), 2007-08.

Made on Vancouver Island.