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bin_struct

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BinStruct is a library which provides you rich set of tools for parsing/encoding binaries

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bin_struct lib bin_struct macro children_bin_structs.ex
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lib/bin_struct/macro/children_bin_structs.ex 

defmodule BinStruct.Macro.ChildrenBinStructs do



  @moduledoc false



  alias BinStruct.Macro.Structs.Field



  def children_bin_structs(fields, _env) do



    Enum.map(

      fields,

      fn %Field{} = field ->



        %Field{ type: type } = field

        expand_type_children(type)



      end

    )

    |> List.flatten()



  end



  defp expand_type_children(type) do

    expand_type_children(type, [])

  end



  defp expand_type_children(type, acc) do





    case type do

      { :list_of, %{ item_type: item_type } = _list_info } ->



        expand_type_children(item_type, acc)

      { :module, %{ module_full_name: module_full_name } } -> [ module_full_name | acc ]

      { :variant_of, variants } ->

        Enum.map(

          variants,

          fn variant -> expand_type_children(variant, acc)  end

        )

      _ -> acc

    end



  end







end