gems.sass-3.2.9.lib.sass.scss.css_parser.rb Maven / Gradle / Ivy

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Sass makes CSS fun again. Sass is an extension of CSS3, adding nested rules, variables, mixins, selector inheritance, and more. It's translated to well-formatted, standard CSS using the command line tool or a web-framework plugin. This is a repackaged GEM in a JAR format of the sass-lang.gem package. The sass-gems package version follows the sass-lang.gem versions located http://rubyforge.org/frs/?group_id=9702. Simply change the version of this package to download and repackage the same GEM version.

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require 'sass/script/css_parser'

module Sass
  module SCSS
    # This is a subclass of {Parser} which only parses plain CSS.
    # It doesn't support any Sass extensions, such as interpolation,
    # parent references, nested selectors, and so forth.
    # It does support all the same CSS hacks as the SCSS parser, though.
    class CssParser < StaticParser
      private

      def placeholder_selector; nil; end
      def parent_selector; nil; end
      def interpolation; nil; end
      def use_css_import?; true; end

      def block_child(context)
        case context
        when :ruleset
          declaration
        when :stylesheet
          directive || ruleset
        when :directive
          directive || declaration_or_ruleset
        end
      end

      def nested_properties!(node, space)
        expected('expression (e.g. 1px, bold)');
      end

      @sass_script_parser = Class.new(Sass::Script::CssParser)
      @sass_script_parser.send(:include, ScriptParser)
    end
  end
end