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inflector.rb
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/
inflector.rb
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module Rich
module Pluralization
module Inflector
extend self
def inflections(locale = nil)
Inflections.instance.locale = locale
if block_given?
yield Inflections.instance
else
Inflections.instance
end
end
def singularize(word)
in_english? ? word.singularize.cp_case(word) : inflect(:singulars, word)
end
def pluralize(word, count = nil)
count == 1 ? singularize(word) : (in_english? ? word.pluralize.cp_case(word) : inflect(:plurals, word))
end
private
def in_english?
I18n.locale.to_s == "en"
end
[:singulars, :plurals, :irregulars, :uncountables].each do |type|
define_method type do
(Inflections.instance.send(type)[I18n.locale] || (type == :uncountables ? [] : {}))
end
end
def inflect(type, word)
return word if uncountable?(word) or irregular_counterpart?(type, word)
if irregular = irregulars[word.downcase]
return irregular.cp_case(word)
end
send(type).each do |inflection|
if result = inflection.inflect!(word)
return result.cp_case(word)
end
end
word
end
def uncountable?(word)
uncountables.include?(word.downcase)
end
def irregular_counterpart?(type, word)
irregulars.send({:singulars => :keys, :plurals => :values}[type]).include?(word.downcase)
end
end
end
end