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Contents
module Sass
module Tree
# A static node that is the root node of the Sass document.
class RootNode < Node
# The Sass template from which this node was created
#
# @param template [String]
attr_reader :template
# @param template [String] The Sass template from which this node was created
def initialize(template)
super()
@template = template
end
# @see \{Node#to\_s}
def to_s(*args)
super
rescue Sass::SyntaxError => e
e.sass_template = @template
raise e
end
# @see \{Node#perform}
def perform(environment)
environment.options = @options if environment.options.nil? || environment.options.empty?
super
rescue Sass::SyntaxError => e
e.sass_template = @template
raise e
end
protected
# Computes the CSS corresponding to this Sass tree.
#
# @param args [Array] ignored
# @return [String] The resulting CSS
# @raise [Sass::SyntaxError] if some element of the tree is invalid
# @see Sass::Tree
def _to_s(*args)
result = String.new
children.each do |child|
if child.is_a? PropNode
message = "Properties aren't allowed at the root of a document." +
child.pseudo_class_selector_message
raise Sass::SyntaxError.new(message, :line => child.line)
end
next if child.invisible?
child_str = child.to_s(1)
result << child_str + (style == :compressed ? '' : "\n")
end
result.rstrip!
return "" if result.empty?
return result + "\n"
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems