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Source Code

# File action_controller/routing/recognition_optimisation.rb, line 93
def segment_tree(routes)
  tree = [0]

  i = -1
  routes.each do |route|
    i += 1
    # not fast, but runs only once
    segments = to_plain_segments(route.segments.inject("") { |str,s| str << s.to_s })

    node  = tree
    segments.each do |seg|
      seg = :dynamic if seg && seg[0] == ?:
      node << [seg, [i]] if node.empty? || node[node.size - 1][0] != seg
      node = node[node.size - 1][1]
    end
  end
  tree
end