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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 dependencies exclude_dependencies_on_field.ex
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lib/bin_struct/macro/dependencies/exclude_dependencies_on_field.ex 

defmodule BinStruct.Macro.Dependencies.ExcludeDependenciesOnField do



  @moduledoc false



  alias BinStruct.Macro.Structs.DependencyOnOption

  alias BinStruct.Macro.Structs.DependencyOnField

  alias BinStruct.Macro.Structs.Field

  alias BinStruct.Macro.Structs.VirtualField



  def exclude_dependencies_on_field(dependencies, field_to_exclude) do



    field_to_exclude_name =

      case field_to_exclude do

        %Field{ name: name } -> name

        %VirtualField{ name: name } -> name

      end



    Enum.reject(

      dependencies,

      fn dependency ->



        case dependency do



          %DependencyOnOption{} -> false



          %DependencyOnField{} = on_field_dependency ->



            %DependencyOnField{ field: field } = on_field_dependency



              case field do

                %Field{ name: ^field_to_exclude_name } -> true

                %VirtualField{ name: ^field_to_exclude_name } -> true

                _ -> false

              end



        end



      end

    )



  end



end