spc-pleroma/lib/pleroma/xml_builder.ex

50 lines
1.2 KiB
Elixir

# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
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, "\"", "&quot;")
"#{attribute}=\"#{value}\""
end
|> Enum.join(" ")
[tag, attributes_string] |> Enum.join(" ") |> String.trim()
end
end