method

preceding

v2_6_3 - Show latest stable - Class: REXML::XPathParser

preceding(node)

private

Builds a nodeset of all of the preceding nodes of the supplied node, in reverse document order

includes every element in the document that precedes this node,

except for ancestors

# File lib/rexml/xpath_parser.rb, line 696
    def preceding(node)
      ancestors = []
      parent = node.parent
      while parent
        ancestors << parent
        parent = parent.parent
      end

      precedings = []
      preceding_node = preceding_node_of(node)
      while preceding_node
        if ancestors.include?(preceding_node)
          ancestors.delete(preceding_node)
        else
          precedings << XPathNode.new(preceding_node,
                                      position: precedings.size + 1)
        end
        preceding_node = preceding_node_of(preceding_node)
      end
      precedings
    end

preceding

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