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bencode

0.3.2
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A complete and correct Bencode encoder and decoder written in pure Elixir. The decoder will return the info hash with along with the decoded data, and the encoder is implemented as a protocol, allowing any data structure to be bcode encoded.

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bencode lib bencode.ex
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lib/bencode.ex 

defmodule Bencode do

  @type encodable :: binary | atom | Map | List | Integer



  @spec encode(encodable) :: {:ok, binary} | {:error, binary}

  def encode(data) do

    try do

      Bencode.Encoder.encode!(data)

    rescue

      e in Protocol.UndefinedError ->

        {:error, "protocol Bencode.Encoder is not implemented for #{inspect e.value}"}

    else

      result ->

        {:ok, result}

    end

  end



  defdelegate encode!(data),

    to: Bencode.Encoder



  defdelegate decode(data),

    to: Bencode.Decoder



  defdelegate decode!(data),

    to: Bencode.Decoder



  defdelegate decode_with_info_hash(data),

    to: Bencode.Decoder



  defdelegate decode_with_info_hash!(data),

    to: Bencode.Decoder

end