xml.ex
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xml.ex
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	defmodule Pleroma.Web.XML do
	require Logger

	def string_from_xpath(xpath, :error), do: nil
	def string_from_xpath(xpath, doc) do
	{:xmlObj, :string, res} = :xmerl_xpath.string('string(#{xpath})', doc)

	res = res
	\|> to_string
	\|> String.trim

	if res == "", do: nil, else: res
	end

	def parse_document(text) do
	try do
	{doc, _rest} = text
	\|> :binary.bin_to_list
	\|> :xmerl_scan.string

	doc
	catch
	:exit, error ->
	Logger.debug("Couldn't parse xml: #{inspect(text)}")
	:error
	end
	end
	end