class TaxGenerator::TaxonomyNode
node from the tree
Public Instance Methods
fetch_prefix_for_printing(level)
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builds up the prefix needed to display for current node
@param [Integer] level the level of the current node
@return [String]
@api public
# File lib/tax_generator/classes/taxonomy_node.rb, line 28 def fetch_prefix_for_printing(level) prefix = '' if is_root? prefix << '*' else prefix << '|' unless parent.is_last_sibling? prefix << (' ' * (level - 1) * 4) prefix << (is_last_sibling? ? '+' : '|') prefix << '---' prefix << (has_children? ? '+' : '>') end prefix end
print_tree(level = 0, max_depth = nil, block = ->(node, prefix) { puts "
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prints the entire tree with name and content
@param [Integer] level the level of the current node, Default 0 @param [Integer] max_depth the maximum depth the tree must be printed. Default nil @param [Lambda] block the lambda that will be executed for printing node name and content
@return [String]
@api public
# File lib/tax_generator/classes/taxonomy_node.rb, line 13 def print_tree(level = 0, max_depth = nil, block = ->(node, prefix) { puts "#{prefix} #{node.respond_to?(:name) ? node.name : node}" }) prefix = fetch_prefix_for_printing(level) block.call("#{name}---#{content}", prefix) return unless max_depth.nil? || level < max_depth # Exit if the max level is defined, and reached. children { |child| child.print_tree(level + 1, max_depth, block) if child } # Child might be 'nil' end