lib/locabulary.rb in locabulary-0.1.4 vs lib/locabulary.rb in locabulary-0.1.5

@@ -1,11 +1,11 @@
 require 'date'
 require 'json'
 
 # @since 0.1.0
 module Locabulary
-  VERSION='0.1.4'.freeze
+  VERSION='0.1.5'.freeze
   DATA_DIRECTORY = File.expand_path("../../data/", __FILE__).freeze
 
   class RuntimeError < ::RuntimeError
   end
 
@@ -83,10 +83,16 @@
   def active_labels_for(options = {})
     predicate_name = options.fetch(:predicate_name)
     active_items_for(predicate_name: predicate_name).map(&:term_label)
   end
 
+
+  # @api public
+  def active_nested_labels_for(options = {})
+    format_active_items_for(active_labels_for(options))
+  end
+
   # @api private
   def filename_for_predicate_name(options = {})
     predicate_name = options.fetch(:predicate_name)
     filename = File.join(DATA_DIRECTORY, "#{File.basename(predicate_name)}.json")
     return filename if File.exist?(filename)
@@ -99,7 +105,31 @@
   end
 
   # @api private
   def reset_active_cache!
     @active_cache = nil
+  end
+
+  # @api private
+  def format_active_items_for(items)
+    root = {}
+    items.each do |item|
+      key, value = build_key_and_value(item)
+      root[key] ||= []
+      root[key] << value
+    end
+    root
+  end
+
+  # @api private
+  def build_key_and_value(text)
+    text_array = text.split(/(::)/)
+    return text, text if text_array.size == 1
+    return text, text_array.last if text_array.size == 3
+    key = ""
+    (0..(text_array.size-3)).each do |index|
+      key << text_array[index]
+    end
+    value = text_array.last
+    return key, value
   end
 end