kmx.io/kmxgit/lib/pygmentize.ex

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• Author : Thomas de Grivel
  Date : 2022-01-09 11:17:50
  Hash : cbfd3cf4
  Message : git log, git show

• lib/pygmentize.ex

• defmodule Pygmentize do
  
    def random_string() do
      :crypto.strong_rand_bytes(16)
      |> Base.url_encode64()
    end
  
    def html(content, filename) do
      dir = "#{System.tmp_dir()}/#{random_string()}"
      File.mkdir_p(dir)
      path = "#{dir}/#{filename}"
      File.write(path, content)
      {out, status} = System.cmd("pygmentize", ["-f", "html", path], stderr_to_stdout: true)
      output = case status do
        0 -> out
        _ -> nil
      end
      File.rm_rf(dir)
      output
    end
  
    def get_reply(port, state) do
      ref = state.ref
      receive do
        {^port, {:data, msg}} ->
          state = Map.put(state, :content, [msg | state.content])
          get_reply(port, state)
        {:DOWN, ^ref, :port, _port, :normal} ->
          Enum.reverse(state.output)
        msg ->
          IO.inspect([msg: msg])
          get_reply(port, state)
      end
    end
  end