# File lib/nokogiri/xml/node.rb, line 129 def xpath *paths # Pop off our custom function handler if it exists handler = ![ Hash, String, Symbol ].include?(paths.last.class) ? paths.pop : nil ns = paths.last.is_a?(Hash) ? paths.pop : (document.root ? document.root.namespaces : {}) return NodeSet.new(document) unless document sets = paths.map { |path| ctx = XPathContext.new(self) ctx.register_namespaces(ns) ctx.evaluate(path, handler) } return sets.first if sets.length == 1 NodeSet.new(document) do |combined| sets.each do |set| set.each do |node| combined << node end end end end