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Contents
module Sass
module Tree
class Node
attr_accessor :children
attr_accessor :line
attr_accessor :filename
def initialize(style)
@style = style
@children = []
end
def <<(child)
if msg = invalid_child?(child)
raise Sass::SyntaxError.new(msg, child.line)
end
@children << child
end
def to_s
result = String.new
children.each do |child|
if child.is_a? AttrNode
raise SyntaxError.new('Attributes aren\'t allowed at the root of a document.', child.line)
else
result << "#{child.to_s(1)}" + (@style == :compressed ? '' : "\n")
end
end
@style == :compressed ? result+"\n" : result[0...-1]
end
private
# This method should be overridden by subclasses to return an error message
# if the given child node is invalid,
# and false or nil otherwise.
def invalid_child?(child)
false
end
end
end
end
Version data entries
18 entries across 18 versions & 3 rubygems