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=== Ruby CSS Parser Load, parse and cascade CSS rule sets in Ruby. ==== Setup Install the gem from RubyGems. gem install css_parser Done. ==== An example require 'css_parser' include CssParser parser = CssParser::Parser.new parser.load_file!('http://example.com/styles/style.css') # lookup a rule by a selector parser.find('#content') #=> 'font-size: 13px; line-height: 1.2;' # lookup a rule by a selector and media type parser.find('#content', [:screen, :handheld]) # iterate through selectors by media type parser.each_selector(:screen) do |selector, declarations, specificity| ... end # add a block of CSS css = <<-EOT body { margin: 0 1em; } EOT parser.add_block!(css) # output all CSS rules in a single stylesheet parser.to_s => #content { font-size: 13px; line-height: 1.2; } body { margin: 0 1em; } ==== Testing You can run the suite of unit tests using <tt>rake test</tt>. 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 <tt>test/fixtures/</tt> directory. ==== Credits and code By Alex Dunae (dunae.ca, e-mail 'code' at the same domain), 2007-08. Project homepage: http://code.google.com/p/ruby-css-parser/ Made on Vancouver Island.
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