lib/sass/tree/directive_node.rb
module Sass::Tree # A static node representing an unproccessed Sass `@`-directive. # Directives known to Sass, like `@for` and `@debug`, # are handled by their own nodes; # only CSS directives like `@media` and `@font-face` become {DirectiveNode}s. # # `@import` is a bit of a weird case; # it becomes an {ImportNode}. # # @see Sass::Tree class DirectiveNode < Node # The text of the directive, `@` and all. # # @return [String] attr_accessor :value # @param value [String] See \{#value} def initialize(value) @value = value super() end # Computes the CSS for the directive. # # @param tabs [Fixnum] The level of indentation for the CSS # @return [String] The resulting CSS def to_s(tabs) if children.empty? value + ";" else result = if style == :compressed "#{value}{" else "#{' ' * (tabs - 1)}#{value} {" + (style == :compact ? ' ' : "\n") end was_prop = false first = true children.each do |child| next if child.invisible? if style == :compact if child.is_a?(PropNode) result << "#{child.to_s(first || was_prop ? 1 : tabs + 1)} " else if was_prop result[-1] = "\n" end rendered = child.to_s(tabs + 1) rendered.lstrip! if first result << rendered end was_prop = child.is_a?(PropNode) first = false elsif style == :compressed result << (was_prop ? ";#{child.to_s(1)}" : child.to_s(1)) was_prop = child.is_a?(PropNode) else result << child.to_s(tabs + 1) + "\n" end end result.rstrip + if style == :compressed "}" else (style == :expanded ? "\n" : " ") + "}\n" end end end end end