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: / opt / td-agent / embedded / lib / ruby / gems / 2.1.0 / gems / sass-3.2.19 / lib / sass / script /

Filename : css_parser.rb

back

require 'sass/script'
require 'sass/script/css_lexer'

module Sass
  module Script
    # This is a subclass of {Parser} for use in parsing plain CSS properties.
    #
    # @see Sass::SCSS::CssParser
    class CssParser < Parser
      private

      # @private
      def lexer_class; CssLexer; end

      # We need a production that only does /,
      # since * and % aren't allowed in plain CSS
      production :div, :unary_plus, :div

      def string
        return number unless tok = try_tok(:string)
        return tok.value unless @lexer.peek && @lexer.peek.type == :begin_interpolation
      end

      # Short-circuit all the SassScript-only productions
      alias_method :interpolation, :space
      alias_method :or_expr, :div
      alias_method :unary_div, :ident
      alias_method :paren, :string
    end
  end
end