# File lib/nokogiri/css/node.rb, line 12
def initialize type, value
  @type = type
  @value = value
end

# File lib/nokogiri/css/node.rb, line 18
def accept visitor
  visitor.send(:"visit_#{type.to_s.downcase}", self)
end

# File lib/nokogiri/css/node.rb, line 30
def find_by_type types
  matches = []
  matches << self if to_type == types
  @value.each do |v|
    matches += v.find_by_type(types) if v.respond_to?(:find_by_type)
  end
  matches
end

# File lib/nokogiri/css/node.rb, line 47
def to_a
  [@type] + @value.map { |n| n.respond_to?(:to_a) ? n.to_a : [n] }
end

# File lib/nokogiri/css/node.rb, line 40
def to_type
  [@type] + @value.map { |n|
    n.to_type if n.respond_to?(:to_type)
  }.compact
end

# File lib/nokogiri/css/node.rb, line 24
def to_xpath prefix = '//', visitor = XPathVisitor.new
  prefix = '.' if ALLOW_COMBINATOR_ON_SELF.include?(type) && value.first.nil?
  prefix + visitor.accept(self)
end