From 53e6579aaba5b9d1ec4e75c3d323f6e52d23bf80 Mon Sep 17 00:00:00 2001
From: Kim Alvefur <zash@zash.se>
Date: Wed, 28 Oct 2020 23:15:52 +0100
Subject: tools/form2table: Convert XEP-0004 dataform from XML to
 util.dataforms Lua format

Used this to generate code for a number of PubSub forms IIRC
---
 tools/form2table.lua | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 tools/form2table.lua

(limited to 'tools/form2table.lua')

diff --git a/tools/form2table.lua b/tools/form2table.lua
new file mode 100644
index 00000000..49a6972b
--- /dev/null
+++ b/tools/form2table.lua
@@ -0,0 +1,48 @@
+-- Read an XML dataform and spit out a serialized Lua table of it
+
+local function from_stanza(stanza)
+	local layout = {
+		title = stanza:get_child_text("title");
+		instructions = stanza:get_child_text("instructions");
+	};
+	for tag in stanza:childtags("field") do
+		local field = {
+			name = tag.attr.var;
+			type = tag.attr.type;
+			label = tag.attr.label;
+			desc = tag:get_child_text("desc");
+			required = tag:get_child("required") and true or nil;
+			value = tag:get_child_text("value");
+			options = nil;
+		};
+
+		if field.type == "list-single" or field.type == "list-multi" then
+			local options = {};
+			for option in tag:childtags("option") do
+				options[#options+1] = { label = option.attr.label, value = option:get_child_text("value") };
+			end
+			field.options = options;
+		end
+
+		if field.type == "jid-multi" or field.type == "list-multi" or field.type == "text-multi" then
+			local values = {};
+			for value in tag:childtags("value") do
+				values[#values+1] = value:get_text();
+			end
+			if field.type == "text-multi" then
+				values = table.concat(values, "\n");
+			end
+			field.value = values;
+		end
+
+		if field.type == "boolean" then
+			field.value = field.value == "true" or field.value == "1";
+		end
+
+		layout[#layout+1] = field;
+
+	end
+	return layout;
+end
+
+print("dataforms.new " .. require "util.serialization".serialize(from_stanza(require "util.xml".parse(io.read("*a"))), { unquoted = true }))
-- 
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