class PathGenerator

# File lib/path_generator.rb, line 4
def initialize(obj)
  @__object = obj
end

# File lib/path_generator.rb, line 8
def paths
  iter = lambda do |o, path, &block|
    if is_empty?(o); return block.call(path) end
    case o
    when String, Symbol then block.call(path + [o])
    when Hash  then o.each { |k, v| iter.call(v, path + [k], &block) unless is_empty?(k) }
    when Array then o.each { |v| iter.call(v, path, &block) unless is_empty?(v) }
    end
  end
  Enumerator.new do |yielder|
    iter.call(@__object, []) { |path| yielder.yield(path) } unless is_empty?(@__object)
  end
end

# File lib/path_generator.rb, line 23
def is_empty?(obj)
  [[], {}, "", nil].member?(obj)
end