From 61af506f4c9990bf39ef8e8803df56daae25d451 Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Sun, 27 Sep 2026 16:14:14 +0300
Subject: [PATCH] fix xml.tostring

---
 dev/tests/parsing.lua                   | 33 +++++++++++++++++++++++++
 src/logic/scripting/lua/libs/libxml.cpp |  9 ++++++-
 test/coders/xml.cpp                     |  6 +++++
 3 files changed, 47 insertions(+), 1 deletion(-)
 create mode 100644 dev/tests/parsing.lua

diff --git a/dev/tests/parsing.lua b/dev/tests/parsing.lua
new file mode 100644
index 000000000..3b1a4840d
--- /dev/null
+++ b/dev/tests/parsing.lua
@@ -0,0 +1,33 @@
+local src = "<test><sub>test</sub></test>"
+local parsed = xml.parse(src)
+asserts.equals(src, xml.tostring(parsed, false))
+
+local src = "{\"test\": \"test\", \"sub\": {\"test\": \"test\"}}"
+local parsed = json.parse(src)
+asserts.equals("test", parsed.test)
+asserts.equals("test", parsed.sub.test)
+
+-- toml
+local src = [[
+[section]
+key = "value"
+# comment
+key2 = "other value"
+number = 42
+pi = 3.14159
+enabled = true
+items = ["a", "b", "c"]
+table = { x = 1, y = 2 }
+]]
+local parsed = toml.parse(src)
+
+asserts.equals("value", parsed.section.key)
+asserts.equals("other value", parsed.section.key2)
+asserts.equals(42, parsed.section.number)
+asserts.equals(3.14159, parsed.section.pi)
+asserts.equals(true, parsed.section.enabled)
+asserts.equals("a", parsed.section.items[1])
+asserts.equals("b", parsed.section.items[2])
+asserts.equals("c", parsed.section.items[3])
+asserts.equals(1, parsed.section.table.x)
+asserts.equals(2, parsed.section.table.y)
diff --git a/src/logic/scripting/lua/libs/libxml.cpp b/src/logic/scripting/lua/libs/libxml.cpp
index 4aa11f3dd..575a849cb 100644
--- a/src/logic/scripting/lua/libs/libxml.cpp
+++ b/src/logic/scripting/lua/libs/libxml.cpp
@@ -30,7 +30,7 @@ static int push_xml(lua::State* L, const xml::xmlelement& elem) {
 }
 
 static std::unique_ptr<xml::xmlelement> toxml(lua::State* L) {
-    lua::getfield(L, TAG_ATTR);
+    lua::requirefield(L, TAG_ATTR);
     auto tag = lua::require_lstring(L, -1);
     lua::pop(L);
     
@@ -39,6 +39,13 @@ static std::unique_ptr<xml::xmlelement> toxml(lua::State* L) {
 
     for (int i = 0; i < length; i++) {
         lua::rawgeti(L, i + 1);
+        if (lua::isstring(L, -1)) {
+            auto textElement = std::make_unique<xml::xmlelement>("#");
+            textElement->set("#", std::string(lua::require_lstring(L, -1)));
+            elem->add(std::move(textElement));
+            lua::pop(L);
+            continue;
+        }
         elem->add(toxml(L));
         lua::pop(L);
     }
diff --git a/test/coders/xml.cpp b/test/coders/xml.cpp
index 1357a4492..a394d40a6 100644
--- a/test/coders/xml.cpp
+++ b/test/coders/xml.cpp
@@ -22,3 +22,9 @@ TEST(XML, VCM) {
         throw err;
     }
 }
+
+TEST(XML, TWO_WAYS) {
+    auto src = "<test><sub>test</sub></test>";
+    auto document = xml::parse("<test>", src);
+    ASSERT_EQ(src, xml::stringify(*document->getRoot(), false));
+}