Everywhere: Move the Ladybird folder to UI

UI/Qt/StringUtils.cpp

@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2022, Andreas Kling <andreas@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <UI/Qt/StringUtils.h>
+
+AK::ByteString ak_byte_string_from_qstring(QString const& qstring)
+{
+    auto utf8_data = qstring.toUtf8();
+    return AK::ByteString(utf8_data.data(), utf8_data.size());
+}
+
+String ak_string_from_qstring(QString const& qstring)
+{
+    auto utf8_data = qstring.toUtf8();
+    return MUST(String::from_utf8(StringView(utf8_data.data(), utf8_data.size())));
+}
+
+QString qstring_from_ak_string(StringView ak_string)
+{
+    return QString::fromUtf8(ak_string.characters_without_null_termination(), static_cast<qsizetype>(ak_string.length()));
+}
+
+URL::URL ak_url_from_qstring(QString const& qstring)
+{
+    auto utf8_data = qstring.toUtf8();
+    return URL::URL(StringView(utf8_data.data(), utf8_data.size()));
+}
+
+URL::URL ak_url_from_qurl(QUrl const& qurl)
+{
+    return ak_url_from_qstring(qurl.toString());
+}