From 3a4773c3c2bd0bbef244eb519b07208da9108e49 Mon Sep 17 00:00:00 2001
From: dcc <dcc@logografos.com>
Date: Sat, 2 Sep 2023 00:52:52 -0700
Subject: First

---
 lib/pleroma/xml_builder.ex | 49 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 lib/pleroma/xml_builder.ex

(limited to 'lib/pleroma/xml_builder.ex')

diff --git a/lib/pleroma/xml_builder.ex b/lib/pleroma/xml_builder.ex
new file mode 100644
index 0000000..cd74cfb
--- /dev/null
+++ b/lib/pleroma/xml_builder.ex
@@ -0,0 +1,49 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2022 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
-- 
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