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inflex

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An Elixir library for handling word inflections.

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inflex lib inflex camelize.ex
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lib/inflex/camelize.ex 

defmodule Inflex.Camelize do



  defmacro __using__([]) do

    quote do

      import unquote __MODULE__



      def camelize(word, option\\:upper) do

        case Regex.split(~r/(?:^|[-_])|(?=[A-Z])/, to_string(word)) do

          words -> words |> camelize_list(option)

                         |> Enum.join

        end

      end



      defp camelize_list([], :upper), do: []

      defp camelize_list([h|tail], :lower) do

        [lowercase(h)] ++ camelize_list(tail, :upper)

      end

      defp camelize_list([h|tail], :upper) do

        [capitalize(h)] ++ camelize_list(tail, :upper)

      end



      def capitalize(word), do: String.capitalize(word)

      def lowercase(word), do: String.downcase(word)

    end

  end

end