haml--haml/lib/sass/tree/attr_node.rb

53 lines
1.3 KiB
Ruby

require 'sass/tree/node'
module Sass::Tree
class AttrNode < ValueNode
attr_accessor :name
def initialize(name, value, style)
@name = name
super(value, style)
end
def to_s(parent_name = nil)
if name[-1] == ?: || value[-1] == ?;
raise Sass::SyntaxError.new("Invalid attribute: #{declaration.dump} (This isn't CSS!)", @line)
end
real_name = name
real_name = "#{parent_name}-#{real_name}" if parent_name
if value.empty? && children.empty?
raise Sass::SyntaxError.new("Invalid attribute: #{declaration.dump}", @line)
end
join_string = @style == :compact ? ' ' : "\n"
to_return = ''
if !value.empty?
to_return << "#{real_name}: #{value};#{join_string}"
end
children.each do |kid|
if @style == :compact
to_return << "#{kid.to_s(real_name)} "
else
to_return << "#{kid.to_s(real_name)}\n"
end
end
to_return << "\n" unless children.empty? || @style == :compact
to_return[0...-1]
end
private
def declaration
":#{name} #{value}"
end
def invalid_child?(child)
if !child.is_a?(AttrNode)
"Illegal nesting: Only attributes may be nested beneath attributes."
end
end
end
end