Contents

#
# Simple visitor: show how calculate the depth of a tree
#
class DepthTreeNodeVisitor < TreeNodeVisitor

  attr_reader :depth

  def initialize
    super
    @depth = 0
  end

  def enter_tree_node( treeNode )
    @depth += 1
  end

  def exit_tree_node( treeNode )
    @depth -= 1
  end

  def visit_leaf_node( leafNode )
  end

end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
gf-treevisitor-0.0.10	lib/treevisitor/visitors/depth_tree_node_visitor.rb