method

preceding

v1_8_6_287 - Show latest stable - 0 notes - Class: REXML::XPathParser

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What's this?

preceding( node ) private

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

preceding:

includes every element in the document that precedes this node,

except for ancestors

Show source

# File lib/rexml/xpath_parser.rb, line 584
    def preceding( node )
      #puts "IN PRECEDING"
      ancestors = []
      p = node.parent
      while p
        ancestors << p
        p = p.parent
      end

      acc = []
      p = preceding_node_of( node )
      #puts "P = #{p.inspect}"
      while p
        if ancestors.include? p
          ancestors.delete(p)
        else
          acc << p
        end
        p = preceding_node_of( p )
        #puts "P = #{p.inspect}"
      end
      acc
    end

preceding

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