def to_sentence(options = {})
default_words_connector = I18n.translate('support.array.words_connector''support.array.words_connector', :locale => options[:locale])
default_two_words_connector = I18n.translate('support.array.two_words_connector''support.array.two_words_connector', :locale => options[:locale])
default_last_word_connector = I18n.translate('support.array.last_word_connector''support.array.last_word_connector', :locale => options[:locale])
if options.has_key?(:connector) || options.has_key?(:skip_last_comma)
::ActiveSupport::Deprecation.warn(":connector has been deprecated. Use :words_connector instead", caller) if options.has_key? :connector
::ActiveSupport::Deprecation.warn(":skip_last_comma has been deprecated. Use :last_word_connector instead", caller) if options.has_key? :skip_last_comma
skip_last_comma = options.delete :skip_last_comma
if connector = options.delete(:connector)
options[:last_word_connector] ||= skip_last_comma ? connector : ", #{connector}"
else
options[:last_word_connector] ||= skip_last_comma ? default_two_words_connector : default_last_word_connector
end
end
options.assert_valid_keys(:words_connector, :two_words_connector, :last_word_connector, :locale)
options.reverse_merge! :words_connector => default_words_connector, :two_words_connector => default_two_words_connector, :last_word_connector => default_last_word_connector
case length
when 0
""
when 1
self[0].to_s
when 2
"#{self[0]}#{options[:two_words_connector]}#{self[1]}"
else
"#{self[0...-1].join(options[:words_connector])}#{options[:last_word_connector]}#{self[-1]}"
end
end