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ex_cldr_calendars

2.4.2
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Localized month- and week-based calendars and calendar functions based upon CLDR data.

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ex_cldr_calendars lib cldr calendar compiler.ex
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lib/cldr/calendar/compiler.ex 

defmodule Cldr.Calendar.Compiler do

  @moduledoc false



  use GenServer

  alias Cldr.Calendar.Config



  def start_link(state) do

    GenServer.start_link(__MODULE__, state, name: __MODULE__)

  end



  def create_calendar(calendar_module, calendar_type, config) do

    config = Keyword.put(config, :calendar, calendar_module)

    structured_config = Config.extract_options(config)



    with {:ok, config} <- Config.validate_config(structured_config, calendar_type) do

      calendar_type =

        calendar_type

        |> to_string

        |> String.capitalize()



      config =

        config

        |> Map.from_struct()

        |> Map.to_list()



      contents =

        quote do

          use unquote(Module.concat(Cldr.Calendar.Base, calendar_type)),

              unquote(Macro.escape(config))

        end



      GenServer.call(__MODULE__, {

        :compile, calendar_module, contents, Macro.Env.location(__ENV__)

      })

    end

  end



  ## Callbacks



  @impl true

  def init(state) do

    {:ok, state}

  end



  @impl true

  def handle_call({:compile, module, contents, env}, _from, state) do

    cond do

      Code.ensure_loaded?(module) ->

        {:reply, {:ok, module}, state}



      {:module, module, _, :ok} = Module.create(module, contents, env) ->

        {:reply, {:ok, module}, state}

    end

  end



end