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absinthe lib absinthe schema notation sdl.ex
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lib/absinthe/schema/notation/sdl.ex 

defmodule Absinthe.Schema.Notation.SDL do

  @moduledoc false



  @doc """

  Parse definitions from SDL source

  """

  @spec parse(sdl :: String.t(), Module.t(), map(), Keyword.t()) ::

          {:ok, [Absinthe.Blueprint.Schema.t()]} | {:error, String.t()}

  def parse(sdl, module, ref, opts) do

    with {:ok, doc} <- Absinthe.Phase.Parse.run(sdl) do

      definitions =

        doc.input.definitions

        |> Enum.map(&Absinthe.Blueprint.Draft.convert(&1, doc))

        |> Enum.map(&put_ref(&1, ref, opts))

        |> Enum.map(fn type -> %{type | module: module} end)



      {:ok, definitions}

    else

      {:error, %Absinthe.Blueprint{execution: %{validation_errors: [_ | _] = errors}}} ->

        error =

          errors

          |> Enum.map(&"#{&1.message} (#{inspect(&1.locations)})")

          |> Enum.join("\n")



        {:error, error}



      other ->

        other

    end

  end



  defp put_ref(%{fields: fields} = node, ref, opts) do

    %{node | fields: Enum.map(fields, &put_ref(&1, ref, opts))}

    |> do_put_ref(ref, opts)

  end



  defp put_ref(%{arguments: args} = node, ref, opts) do

    %{node | arguments: Enum.map(args, &put_ref(&1, ref, opts))}

    |> do_put_ref(ref, opts)

  end



  defp put_ref(%{directives: dirs} = node, ref, opts) do

    %{node | directives: Enum.map(dirs, &put_ref(&1, ref, opts))}

    |> do_put_ref(ref, opts)

  end



  defp put_ref(node, ref, opts), do: do_put_ref(node, ref, opts)



  defp do_put_ref(%{__reference__: nil} = node, ref, opts) do

    ref =

      case opts[:path] do

        nil ->

          ref



        path ->

          put_in(ref.location, %{file: path, line: node.source_location.line})

      end



    %{node | __reference__: ref}

  end



  defp do_put_ref(node, _ref, _opts), do: node

end