Packages

protobuf

0.8.0-beta.1
0.17.0 0.16.1 0.16.0 0.15.0 0.14.1 0.14.0 0.13.0 0.12.0 0.11.0 0.10.0 0.9.0 0.8.0 0.8.0-beta.1 0.8.0-beta retired 0.7.1 0.7.0 0.6.3 0.6.2 0.6.1 0.5.4 0.5.3 0.5.2 0.5.0 0.4.1 0.4.0 0.3.4 0.3.3 0.3.2 0.3.1 0.3.0 0.2.0 0.1.0

A pure Elixir implementation of Google Protobuf.

HexDocs

Current section

Files

Jump to
Readme
32 Versions
0 Dependencies
Dependants
1 Advisory
Files
Activity
protobuf lib protobuf protoc generator enum.ex
Raw

lib/protobuf/protoc/generator/enum.ex 

defmodule Protobuf.Protoc.Generator.Enum do

  @moduledoc false

  alias Protobuf.Protoc.Generator.Util



  def generate_list(ctx, descs) do

    Enum.map(descs, fn desc -> generate(ctx, desc) end)

  end



  def generate(%{namespace: ns} = ctx, desc) do

    name = Util.trans_name(desc.name)

    fields = Enum.map(desc.value, fn f -> generate_field(f) end)

    msg_name = Util.mod_name(ctx, ns ++ [name])

    generate_desc = if ctx.gen_descriptors?, do: desc, else: nil

    type = generate_type(desc.value)



    Protobuf.Protoc.Template.enum(msg_name, msg_opts(ctx, desc), fields, type, generate_desc)

  end



  def generate_type(fields) do

    field_values =

      fields

      |> Enum.map(fn f -> ":#{f.name}" end)

      |> Enum.join(" | ")



    "@type t :: integer | " <> field_values

  end



  def generate_field(f) do

    ":#{f.name}, #{f.number}"

  end



  defp msg_opts(%{syntax: syntax}, _desc) do

    opts = %{syntax: syntax, enum: true}

    str = Util.options_to_str(opts)

    ", " <> str

  end

end