def build_item_queue( item_queue, items )
writer = create_safety_writer_item
if !items.empty?
item = items.shift
item_queue << writer if writer
if item.is_a? String
item_queue << create_item( item )
elsif item.is_a? Hash
answers_tree = {}
item.values.first.each{ |answer, values|
answers_tree[ answer ] = build_item_queue( [], values )
}
_item = create_item( item.keys.first )
_item.next_items_tree = answers_tree
item_queue << _item
item_queue << writer if writer
end
item_queue = build_item_queue( item_queue, items )
end
item_queue
end