defmodule Pleroma.XmlBuilder do def to_xml({tag, attributes, content}) do open_tag = make_open_tag(tag, attributes) content_xml = to_xml(content) "<#{open_tag}>#{content_xml}</#{tag}>" end def to_xml({tag, %{} = attributes}) do open_tag = make_open_tag(tag, attributes) "<#{open_tag} />" end def to_xml({tag, content}), do: to_xml({tag, %{}, content}) def to_xml(content) when is_binary(content) do to_string(content) end def to_xml(content) when is_list(content) do for element <- content do to_xml(element) end |> Enum.join() end def to_xml(%NaiveDateTime{} = time) do NaiveDateTime.to_iso8601(time) end def to_doc(content), do: ~s(<?xml version="1.0" encoding="UTF-8"?>) <> to_xml(content) defp make_open_tag(tag, attributes) do attributes_string = for {attribute, value} <- attributes do value = String.replace(value, "\"", """) "#{attribute}=\"#{value}\"" end |> Enum.join(" ") [tag, attributes_string] |> Enum.join(" ") |> String.trim() end end