From 149938cc445f99b1aa40c490014aad72cf698dec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?P=C5=99emysl=20Eric=20Janouch?= <p@janouch.name>
Date: Sun, 15 Dec 2024 06:41:07 +0100
Subject: [PATCH] lxdrgen-cpp: add a Qt backend

Motivation: some Android NDKs do not have iconv.
---
 README.adoc              |  3 ++-
 tools/lxdrgen-cpp-qt.cpp | 23 +++++++++++++++++++++++
 2 files changed, 25 insertions(+), 1 deletion(-)
 create mode 100644 tools/lxdrgen-cpp-qt.cpp

diff --git a/README.adoc b/README.adoc
index debedf1..20a4612 100644
--- a/README.adoc
+++ b/README.adoc
@@ -45,8 +45,9 @@ lxdrgen-c.awk::
 	LibertyXDR backend that builds on top of the C pseudolibrary.
 
 lxdrgen-cpp.awk::
-lxdrgen-cpp-win32.cpp::
 lxdrgen-cpp-posix.cpp::
+lxdrgen-cpp-qt.cpp::
+lxdrgen-cpp-win32.cpp::
 	LibertyXDR backend for C++, primarily targeting Win32 and its wide strings.
 	Link the result together with one of the accompanied source files.
 
diff --git a/tools/lxdrgen-cpp-qt.cpp b/tools/lxdrgen-cpp-qt.cpp
new file mode 100644
index 0000000..60e7293
--- /dev/null
+++ b/tools/lxdrgen-cpp-qt.cpp
@@ -0,0 +1,23 @@
+// lxdrgen-cpp-qt.cpp: Qt support code for lxdrgen-cpp.awk.
+//
+// Copyright (c) 2024, Přemysl Eric Janouch <p@janouch.name>
+// SPDX-License-Identifier: 0BSD
+#include <QString>
+#include <string>
+
+namespace LibertyXDR {
+
+bool utf8_to_wstring(const uint8_t *utf8, size_t length, std::wstring &wide) {
+	QByteArrayView view(reinterpret_cast<const char *>(utf8), length);
+	if (!view.isValidUtf8())
+		return false;
+	wide = QString::fromUtf8(view).toStdWString();
+	return true;
+}
+
+bool wstring_to_utf8(const std::wstring &wide, std::string &utf8) {
+	utf8 = QString::fromStdWString(wide).toUtf8().toStdString();
+	return true;
+}
+
+} // namespace LibertyXDR