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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
"#{attribute}=\"#{value}\""
end
|> Enum.join(" ")
[tag, attributes_string] |> Enum.join(" ") |> String.trim()
end
end
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