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module Nanoc::Helpers
module ChildParentBetter
# Returns an array of ancestor pages for the given page.
def ancestor_path_array(item)
if @config[:debug]
puts item
end
parent_array = []
current_item = item
# Until the current item has no parent, keep running.
until (get_nearest_parent(current_item.identifier.to_s).nil?) do
# Set the current item to the last item in the array
# unless this is the first item.
current_item = parent_array.last unless parent_array.empty?
# Get the nearest parent of the current item.
parent = get_nearest_parent(current_item.identifier.to_s)
# Push the parent of the current item into the array.
parent_array.push(parent) if parent
end
parent_array
end
# A recursive function which returns the nearest parent item for the
# given path.
def get_nearest_parent(item_identifier)
if @config[:debug]
puts item_identifier
end
if (item_identifier.nil? || (item_identifier.to_s.end_with?('README.md', 'index.md') && item_identifier.to_s.split('/').length == 3))
return
elsif item_identifier.to_s.end_with?('README.md', 'index.md')
parent_dir = item_identifier.sub(/[^\/]+$/, '').chop
return get_nearest_parent(parent_dir)
else
parent_dir = item_identifier.sub(/[^\/]+$/, '').chop
parent = @items["#{parent_dir}/README.*"]
alt_parent = @items["#{parent_dir}/index.*"]
if (parent.nil? && alt_parent.nil?)
get_nearest_parent(parent_dir)
elsif alt_parent.nil?
return parent
else
return alt_parent
end
end
end
end
end
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