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localize

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Localization (parsing, formatting) of numbers, dates/time/calendar, units of measure, messages and lists. Includes localized collation.

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localize lib localize validity script.ex
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lib/localize/validity/script.ex 

defmodule Localize.Validity.Script do

  @moduledoc false



  use Localize.Validity, :scripts

  @behaviour Localize.Validity



  @doc since: "2.23.0"



  def validate(nil) do

    {:ok, nil, nil}

  end



  def validate(code) when is_binary(code) or is_atom(code) do

    code

    |> to_string()

    |> normalize

    |> valid()

    |> case do

      {:error, _} -> {:error, code}

      {:ok, code, status} -> {:ok, String.to_atom(code), status}

    end

  end



  @doc since: "2.23.0"



  def normalize(code) when is_binary(code) do

    String.capitalize(code)

  end



  def normalize(nil) do

    nil

  end



  def normalize(code) when is_atom(code) do

    code

    |> Atom.to_string()

    |> normalize()

  end



  @unicode_to_subtag_mapping Localize.SupplementalData.unicode_script_to_subtag_mapping()



  @doc false

  def unicode_to_subtag_map do

    @unicode_to_subtag_mapping

  end



  @doc false

  def unicode_to_subtag(unicode) do

    case Map.fetch(unicode_to_subtag_map(), unicode) do

      {:ok, subtag} ->

        {:ok, subtag}



      :error ->

        {:error,

         Localize.InvalidSubtagError.exception(

           key: "unicode_script",

           value: unicode,

           reason: :unknown_script

         )}

    end

  end



  @doc false

  def unicode_to_subtag!(unicode) do

    case unicode_to_subtag(unicode) do

      {:ok, subtag} -> subtag

      {:error, exception} -> raise exception

    end

  end

end